Merge pull request #4 from FOSSEE/develop

merging dev into master

116 files changed, 14764 insertions, 0 deletions

diff --git a/include/gal/opengl/glm/gtx/associated_min_max.hpp b/include/gal/opengl/glm/gtx/associated_min_max.hpp
new file mode 100644
index 0000000..7283b69
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/associated_min_max.hpp
@@ -0,0 +1,106 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_associated_min_max
+/// @file glm/gtx/associated_min_max.hpp
+/// @date 2008-03-10 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_extented_min_max (dependence)
+///
+/// @defgroup gtx_associated_min_max GLM_GTX_associated_min_max
+/// @ingroup gtx
+/// 
+/// @brief Min and max functions that return associated values not the compared onces.
+/// <glm/gtx/associated_min_max.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_associated_min_max
+#define GLM_GTX_associated_min_max GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_associated_min_max extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_associated_min_max
+	/// @{
+
+	/// Min comparison between 2 variables
+	/// @see gtx_associated_min_max
+	template<typename genTypeT, typename genTypeU>
+	genTypeU associatedMin(
+		const genTypeT& x, const genTypeU& a, 
+		const genTypeT& y, const genTypeU& b);
+
+	/// Min comparison between 3 variables
+	/// @see gtx_associated_min_max
+	template<typename genTypeT, typename genTypeU>
+	genTypeU associatedMin(
+		const genTypeT& x, const genTypeU& a, 
+		const genTypeT& y, const genTypeU& b, 
+		const genTypeT& z, const genTypeU& c);
+
+	/// Min comparison between 4 variables
+	/// @see gtx_associated_min_max
+	template<typename genTypeT, typename genTypeU>
+	genTypeU associatedMin(
+		const genTypeT& x, const genTypeU& a, 
+		const genTypeT& y, const genTypeU& b, 
+		const genTypeT& z, const genTypeU& c, 
+		const genTypeT& w, const genTypeU& d);
+
+	/// Max comparison between 2 variables
+	/// @see gtx_associated_min_max
+	template<typename genTypeT, typename genTypeU>
+	genTypeU associatedMax(
+		const genTypeT& x, const genTypeU& a, 
+		const genTypeT& y, const genTypeU& b);
+
+	/// Max comparison between 3 variables
+	/// @see gtx_associated_min_max
+	template<typename genTypeT, typename genTypeU>
+	genTypeU associatedMax(
+		const genTypeT& x, const genTypeU& a, 
+		const genTypeT& y, const genTypeU& b, 
+		const genTypeT& z, const genTypeU& c);
+
+	/// Max comparison between 4 variables
+	/// @see gtx_associated_min_max
+	template<typename genTypeT, typename genTypeU>
+	genTypeU associatedMax(
+		const genTypeT& x, const genTypeU& a, 
+		const genTypeT& y, const genTypeU& b, 
+		const genTypeT& z, const genTypeU& c, 
+		const genTypeT& w, const genTypeU& d);
+
+	/// @}
+} //namespace glm
+
+#include "associated_min_max.inl"
+
+#endif//GLM_GTX_associated_min_max
diff --git a/include/gal/opengl/glm/gtx/associated_min_max.inl b/include/gal/opengl/glm/gtx/associated_min_max.inl
new file mode 100644
index 0000000..ffaa1ef
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/associated_min_max.inl
@@ -0,0 +1,912 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2008-03-10
+// Updated : 2008-03-15
+// Licence : This source is under MIT License
+// File    : gtx_associated_min_max.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm{
+
+// Min comparison between 2 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER U associatedMin(T x, U a, T y, U b)
+{
+	return x < y ? a : b;
+}
+
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMin
+(
+	const detail::tvec2<T>& x, const detail::tvec2<U>& a,
+	const detail::tvec2<T>& y, const detail::tvec2<U>& b
+)
+{
+	detail::tvec2<U> Result;
+	//Result.x = x[0] < y[0] ? a[0] : b[0];
+	//Result.y = x[1] < y[1] ? a[1] : b[1];
+	for(typename detail::tvec2<U>::size_type i = 0; i < detail::tvec2<U>::value_size; ++i)
+		Result[i] = x[i] < y[i] ? a[i] : b[i];
+	return Result;
+}
+
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMin
+(
+	const detail::tvec3<T>& x, const detail::tvec3<U>& a,
+	const detail::tvec3<T>& y, const detail::tvec3<U>& b
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<U>::size_type i = 0; i < detail::tvec3<U>::value_size; ++i)
+		Result[i] = x[i] < y[i] ? a[i] : b[i];
+	return Result;
+}
+
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMin
+(
+	const detail::tvec4<T>& x, const detail::tvec4<U>& a,
+	const detail::tvec4<T>& y, const detail::tvec4<U>& b
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<U>::size_type i = 0; i < detail::tvec4<U>::value_size; ++i)
+		Result[i] = x[i] < y[i] ? a[i] : b[i];
+	return Result;
+}
+
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMin
+(
+	T x, const detail::tvec2<U>& a,
+	T y, const detail::tvec2<U>& b
+)
+{
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<U>::size_type i = 0; i < detail::tvec2<U>::value_size; ++i)
+		Result[i] = x < y ? a[i] : b[i];
+	return Result;
+}
+
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMin
+(
+	T x, const detail::tvec3<U>& a,
+	T y, const detail::tvec3<U>& b
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<U>::size_type i = 0; i < detail::tvec3<U>::value_size; ++i)
+		Result[i] = x < y ? a[i] : b[i];
+	return Result;
+}
+
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMin
+(
+	T x, const detail::tvec4<U>& a,
+	T y, const detail::tvec4<U>& b
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<U>::size_type i = 0; i < detail::tvec4<U>::value_size; ++i)
+		Result[i] = x < y ? a[i] : b[i];
+	return Result;
+}
+
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMin
+(
+	const detail::tvec2<T>& x, U a,
+	const detail::tvec2<T>& y, U b
+)
+{
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<U>::size_type i = 0; i < detail::tvec2<T>::value_size(); ++i)
+		Result[i] = x[i] < y[i] ? a : b;
+	return Result;
+}
+
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMin
+(
+	const detail::tvec3<T>& x, U a,
+	const detail::tvec3<T>& y, U b
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<U>::size_type i = 0; i < detail::tvec3<T>::value_size(); ++i)
+		Result[i] = x[i] < y[i] ? a : b;
+	return Result;
+}
+
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMin
+(
+	const detail::tvec4<T>& x, U a,
+	const detail::tvec4<T>& y, U b
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<U>::size_type i = 0; i < detail::tvec4<T>::value_size(); ++i)
+		Result[i] = x[i] < y[i] ? a : b;
+	return Result;
+}
+
+// Min comparison between 3 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER U associatedMin
+(
+	T x, U a,
+	T y, U b,
+	T z, U c
+)
+{
+	U Result = x < y ? (x < z ? a : c) : (y < z ? b : c);
+	return Result;
+}
+
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMin
+(
+	const detail::tvec2<T>& x, const detail::tvec2<U>& a,
+	const detail::tvec2<T>& y, const detail::tvec2<U>& b,
+	const detail::tvec2<T>& z, const detail::tvec2<U>& c
+)
+{
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<U>::size_type i = 0; i < detail::tvec2<U>::value_size; ++i)
+		Result[i] = x[i] < y[i] ? (x[i] < z[i] ? a[i] : c[i]) : (y[i] < z[i] ? b[i] : c[i]);
+	return Result;
+}
+
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMin
+(
+	const detail::tvec3<T>& x, const detail::tvec3<U>& a,
+	const detail::tvec3<T>& y, const detail::tvec3<U>& b,
+	const detail::tvec3<T>& z, const detail::tvec3<U>& c
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<U>::size_type i = 0; i < detail::tvec3<U>::value_size; ++i)
+		Result[i] = x[i] < y[i] ? (x[i] < z[i] ? a[i] : c[i]) : (y[i] < z[i] ? b[i] : c[i]);
+	return Result;
+}
+
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMin
+(
+	const detail::tvec4<T>& x, const detail::tvec4<U>& a,
+	const detail::tvec4<T>& y, const detail::tvec4<U>& b,
+	const detail::tvec4<T>& z, const detail::tvec4<U>& c
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<U>::size_type i = 0; i < detail::tvec4<U>::value_size; ++i)
+		Result[i] = x[i] < y[i] ? (x[i] < z[i] ? a[i] : c[i]) : (y[i] < z[i] ? b[i] : c[i]);
+	return Result;
+}
+
+// Min comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER U associatedMin
+(
+	T x, U a,
+	T y, U b,
+	T z, U c,
+	T w, U d
+)
+{
+	T Test1 = min(x, y);
+	T Test2 = min(z, w);;
+	U Result1 = x < y ? a : b;
+	U Result2 = z < w ? c : d;
+	U Result = Test1 < Test2 ? Result1 : Result2;
+	return Result;
+}
+
+// Min comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMin
+(
+	const detail::tvec2<T>& x, const detail::tvec2<U>& a,
+	const detail::tvec2<T>& y, const detail::tvec2<U>& b,
+	const detail::tvec2<T>& z, const detail::tvec2<U>& c,
+	const detail::tvec2<T>& w, const detail::tvec2<U>& d
+)
+{
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<U>::size_type i = 0; i < detail::tvec2<U>::value_size; ++i)
+	{
+		T Test1 = min(x[i], y[i]);
+		T Test2 = min(z[i], w[i]);
+		U Result1 = x[i] < y[i] ? a[i] : b[i];
+		U Result2 = z[i] < w[i] ? c[i] : d[i];
+		Result[i] = Test1 < Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Min comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMin
+(
+	const detail::tvec3<T>& x, const detail::tvec3<U>& a,
+	const detail::tvec3<T>& y, const detail::tvec3<U>& b,
+	const detail::tvec3<T>& z, const detail::tvec3<U>& c,
+	const detail::tvec3<T>& w, const detail::tvec3<U>& d
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<U>::size_type i = 0; i < detail::tvec3<U>::value_size; ++i)
+	{
+		T Test1 = min(x[i], y[i]);
+		T Test2 = min(z[i], w[i]);
+		U Result1 = x[i] < y[i] ? a[i] : b[i];
+		U Result2 = z[i] < w[i] ? c[i] : d[i];
+		Result[i] = Test1 < Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Min comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMin
+(
+	const detail::tvec4<T>& x, const detail::tvec4<U>& a,
+	const detail::tvec4<T>& y, const detail::tvec4<U>& b,
+	const detail::tvec4<T>& z, const detail::tvec4<U>& c,
+	const detail::tvec4<T>& w, const detail::tvec4<U>& d
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<U>::size_type i = 0; i < detail::tvec4<U>::value_size; ++i)
+	{
+		T Test1 = min(x[i], y[i]);
+		T Test2 = min(z[i], w[i]);
+		U Result1 = x[i] < y[i] ? a[i] : b[i];
+		U Result2 = z[i] < w[i] ? c[i] : d[i];
+		Result[i] = Test1 < Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Min comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMin
+(
+	T x, const detail::tvec2<U>& a,
+	T y, const detail::tvec2<U>& b,
+	T z, const detail::tvec2<U>& c,
+	T w, const detail::tvec2<U>& d
+)
+{
+	T Test1 = min(x, y);
+	T Test2 = min(z, w);
+
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<U>::size_type i = 0; i < detail::tvec2<U>::value_size; ++i)
+	{
+		U Result1 = x < y ? a[i] : b[i];
+		U Result2 = z < w ? c[i] : d[i];
+		Result[i] = Test1 < Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Min comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMin
+(
+	T x, const detail::tvec3<U>& a,
+	T y, const detail::tvec3<U>& b,
+	T z, const detail::tvec3<U>& c,
+	T w, const detail::tvec3<U>& d
+)
+{
+	T Test1 = min(x, y);
+	T Test2 = min(z, w);
+
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<U>::size_type i = 0; i < detail::tvec3<U>::value_size; ++i)
+	{
+		U Result1 = x < y ? a[i] : b[i];
+		U Result2 = z < w ? c[i] : d[i];
+		Result[i] = Test1 < Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Min comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMin
+(
+	T x, const detail::tvec4<U>& a,
+	T y, const detail::tvec4<U>& b,
+	T z, const detail::tvec4<U>& c,
+	T w, const detail::tvec4<U>& d
+)
+{
+	T Test1 = min(x, y);
+	T Test2 = min(z, w);
+
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<U>::size_type i = 0; i < detail::tvec4<U>::value_size; ++i)
+	{
+		U Result1 = x < y ? a[i] : b[i];
+		U Result2 = z < w ? c[i] : d[i];
+		Result[i] = Test1 < Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Min comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMin
+(
+	const detail::tvec2<T>& x, U a,
+	const detail::tvec2<T>& y, U b,
+	const detail::tvec2<T>& z, U c,
+	const detail::tvec2<T>& w, U d
+)
+{
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<T>::size_type i = 0; i < detail::tvec2<T>::value_size(); ++i)
+	{
+		T Test1 = min(x[i], y[i]);
+		T Test2 = min(z[i], w[i]);;
+		U Result1 = x[i] < y[i] ? a : b;
+		U Result2 = z[i] < w[i] ? c : d;
+		Result[i] = Test1 < Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Min comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMin
+(
+	const detail::tvec3<T>& x, U a,
+	const detail::tvec3<T>& y, U b,
+	const detail::tvec3<T>& z, U c,
+	const detail::tvec3<T>& w, U d
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<T>::size_type i = 0; i < detail::tvec3<T>::value_size(); ++i)
+	{
+		T Test1 = min(x[i], y[i]);
+		T Test2 = min(z[i], w[i]);;
+		U Result1 = x[i] < y[i] ? a : b;
+		U Result2 = z[i] < w[i] ? c : d;
+		Result[i] = Test1 < Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Min comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMin
+(
+	const detail::tvec4<T>& x, U a,
+	const detail::tvec4<T>& y, U b,
+	const detail::tvec4<T>& z, U c,
+	const detail::tvec4<T>& w, U d
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<T>::size_type i = 0; i < detail::tvec4<T>::value_size(); ++i)
+	{
+		T Test1 = min(x[i], y[i]);
+		T Test2 = min(z[i], w[i]);;
+		U Result1 = x[i] < y[i] ? a : b;
+		U Result2 = z[i] < w[i] ? c : d;
+		Result[i] = Test1 < Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Max comparison between 2 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER U associatedMax(T x, U a, T y, U b)
+{
+	return x > y ? a : b;
+}
+
+// Max comparison between 2 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMax
+(
+	const detail::tvec2<T>& x, const detail::tvec2<U>& a,
+	const detail::tvec2<T>& y, const detail::tvec2<U>& b
+)
+{
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<U>::size_type i = 0; i < detail::tvec2<U>::value_size; ++i)
+		Result[i] = x[i] > y[i] ? a[i] : b[i];
+	return Result;
+}
+
+// Max comparison between 2 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMax
+(
+	const detail::tvec3<T>& x, const detail::tvec3<U>& a,
+	const detail::tvec3<T>& y, const detail::tvec3<U>& b
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<U>::size_type i = 0; i < detail::tvec3<U>::value_size; ++i)
+		Result[i] = x[i] > y[i] ? a[i] : b[i];
+	return Result;
+}
+
+// Max comparison between 2 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMax
+(
+	const detail::tvec4<T>& x, const detail::tvec4<U>& a,
+	const detail::tvec4<T>& y, const detail::tvec4<U>& b
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<U>::size_type i = 0; i < detail::tvec4<U>::value_size; ++i)
+		Result[i] = x[i] > y[i] ? a[i] : b[i];
+	return Result;
+}
+
+// Max comparison between 2 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMax
+(
+	T x, const detail::tvec2<U>& a,
+	T y, const detail::tvec2<U>& b
+)
+{
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<U>::size_type i = 0; i < detail::tvec2<U>::value_size; ++i)
+		Result[i] = x > y ? a[i] : b[i];
+	return Result;
+}
+
+// Max comparison between 2 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMax
+(
+	T x, const detail::tvec3<U>& a,
+	T y, const detail::tvec3<U>& b
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<U>::size_type i = 0; i < detail::tvec3<U>::value_size; ++i)
+		Result[i] = x > y ? a[i] : b[i];
+	return Result;
+}
+
+// Max comparison between 2 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMax
+(
+	T x, const detail::tvec4<U>& a,
+	T y, const detail::tvec4<U>& b
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<U>::size_type i = 0; i < detail::tvec4<U>::value_size; ++i)
+		Result[i] = x > y ? a[i] : b[i];
+	return Result;
+}
+
+// Max comparison between 2 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMax
+(
+	const detail::tvec2<T>& x, U a,
+	const detail::tvec2<T>& y, U b
+)
+{
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<T>::size_type i = 0; i < detail::tvec2<T>::value_size(); ++i)
+		Result[i] = x[i] > y[i] ? a : b;
+	return Result;
+}
+
+// Max comparison between 2 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMax
+(
+	const detail::tvec3<T>& x, U a,
+	const detail::tvec3<T>& y, U b
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<T>::size_type i = 0; i < detail::tvec3<T>::value_size(); ++i)
+		Result[i] = x[i] > y[i] ? a : b;
+	return Result;
+}
+
+// Max comparison between 2 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMax
+(
+	const detail::tvec4<T>& x, U a,
+	const detail::tvec4<T>& y, U b
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<T>::size_type i = 0; i < detail::tvec4<T>::value_size(); ++i)
+		Result[i] = x[i] > y[i] ? a : b;
+	return Result;
+}
+
+// Max comparison between 3 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER U associatedMax
+(
+	T x, U a,
+	T y, U b,
+	T z, U c
+)
+{
+	U Result = x > y ? (x > z ? a : c) : (y > z ? b : c);
+	return Result;
+}
+
+// Max comparison between 3 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMax
+(
+	const detail::tvec2<T>& x, const detail::tvec2<U>& a,
+	const detail::tvec2<T>& y, const detail::tvec2<U>& b,
+	const detail::tvec2<T>& z, const detail::tvec2<U>& c
+)
+{
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<U>::size_type i = 0; i < detail::tvec2<U>::value_size; ++i)
+		Result[i] = x[i] > y[i] ? (x[i] > z[i] ? a[i] : c[i]) : (y[i] > z[i] ? b[i] : c[i]);
+	return Result;
+}
+
+// Max comparison between 3 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMax
+(
+	const detail::tvec3<T>& x, const detail::tvec3<U>& a,
+	const detail::tvec3<T>& y, const detail::tvec3<U>& b,
+	const detail::tvec3<T>& z, const detail::tvec3<U>& c
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<U>::size_type i = 0; i < detail::tvec3<U>::value_size; ++i)
+		Result[i] = x[i] > y[i] ? (x[i] > z[i] ? a[i] : c[i]) : (y[i] > z[i] ? b[i] : c[i]);
+	return Result;
+}
+
+// Max comparison between 3 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMax
+(
+	const detail::tvec4<T>& x, const detail::tvec4<U>& a,
+	const detail::tvec4<T>& y, const detail::tvec4<U>& b,
+	const detail::tvec4<T>& z, const detail::tvec4<U>& c
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<U>::size_type i = 0; i < detail::tvec4<U>::value_size; ++i)
+		Result[i] = x[i] > y[i] ? (x[i] > z[i] ? a[i] : c[i]) : (y[i] > z[i] ? b[i] : c[i]);
+	return Result;
+}
+
+// Max comparison between 3 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMax
+(
+	T x, const detail::tvec2<U>& a,
+	T y, const detail::tvec2<U>& b,
+	T z, const detail::tvec2<U>& c
+)
+{
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<U>::size_type i = 0; i < detail::tvec2<U>::value_size; ++i)
+		Result[i] = x > y ? (x > z ? a[i] : c[i]) : (y > z ? b[i] : c[i]);
+	return Result;
+}
+
+// Max comparison between 3 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMax
+(
+	T x, const detail::tvec3<U>& a,
+	T y, const detail::tvec3<U>& b,
+	T z, const detail::tvec3<U>& c
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<U>::size_type i = 0; i < detail::tvec3<U>::value_size; ++i)
+		Result[i] = x > y ? (x > z ? a[i] : c[i]) : (y > z ? b[i] : c[i]);
+	return Result;
+}
+
+// Max comparison between 3 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMax
+(
+	T x, const detail::tvec4<U>& a,
+	T y, const detail::tvec4<U>& b,
+	T z, const detail::tvec4<U>& c
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<U>::size_type i = 0; i < detail::tvec4<U>::value_size; ++i)
+		Result[i] = x > y ? (x > z ? a[i] : c[i]) : (y > z ? b[i] : c[i]);
+	return Result;
+}
+
+// Max comparison between 3 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMax
+(
+	const detail::tvec2<T>& x, U a,
+	const detail::tvec2<T>& y, U b,
+	const detail::tvec2<T>& z, U c
+)
+{
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<T>::size_type i = 0; i < detail::tvec2<T>::value_size(); ++i)
+		Result[i] = x[i] > y[i] ? (x[i] > z[i] ? a : c) : (y[i] > z[i] ? b : c);
+	return Result;
+}
+
+// Max comparison between 3 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMax
+(
+	const detail::tvec3<T>& x, U a,
+	const detail::tvec3<T>& y, U b,
+	const detail::tvec3<T>& z, U c
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<T>::size_type i = 0; i < detail::tvec3<T>::value_size(); ++i)
+		Result[i] = x[i] > y[i] ? (x[i] > z[i] ? a : c) : (y[i] > z[i] ? b : c);
+	return Result;
+}
+
+// Max comparison between 3 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMax
+(
+	const detail::tvec4<T>& x, U a,
+	const detail::tvec4<T>& y, U b,
+	const detail::tvec4<T>& z, U c
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<T>::size_type i = 0; i < detail::tvec4<T>::value_size(); ++i)
+		Result[i] = x[i] > y[i] ? (x[i] > z[i] ? a : c) : (y[i] > z[i] ? b : c);
+	return Result;
+}
+
+// Max comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER U associatedMax
+(
+	T x, U a,
+	T y, U b,
+	T z, U c,
+	T w, U d
+)
+{
+	T Test1 = max(x, y);
+	T Test2 = max(z, w);;
+	U Result1 = x > y ? a : b;
+	U Result2 = z > w ? c : d;
+	U Result = Test1 > Test2 ? Result1 : Result2;
+	return Result;
+}
+
+// Max comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMax
+(
+	const detail::tvec2<T>& x, const detail::tvec2<U>& a,
+	const detail::tvec2<T>& y, const detail::tvec2<U>& b,
+	const detail::tvec2<T>& z, const detail::tvec2<U>& c,
+	const detail::tvec2<T>& w, const detail::tvec2<U>& d
+)
+{
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<U>::size_type i = 0; i < detail::tvec2<U>::value_size; ++i)
+	{
+		T Test1 = max(x[i], y[i]);
+		T Test2 = max(z[i], w[i]);
+		U Result1 = x[i] > y[i] ? a[i] : b[i];
+		U Result2 = z[i] > w[i] ? c[i] : d[i];
+		Result[i] = Test1 > Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Max comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMax
+(
+	const detail::tvec3<T>& x, const detail::tvec3<U>& a,
+	const detail::tvec3<T>& y, const detail::tvec3<U>& b,
+	const detail::tvec3<T>& z, const detail::tvec3<U>& c,
+	const detail::tvec3<T>& w, const detail::tvec3<U>& d
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<U>::size_type i = 0; i < detail::tvec3<U>::value_size; ++i)
+	{
+		T Test1 = max(x[i], y[i]);
+		T Test2 = max(z[i], w[i]);
+		U Result1 = x[i] > y[i] ? a[i] : b[i];
+		U Result2 = z[i] > w[i] ? c[i] : d[i];
+		Result[i] = Test1 > Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Max comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMax
+(
+	const detail::tvec4<T>& x, const detail::tvec4<U>& a,
+	const detail::tvec4<T>& y, const detail::tvec4<U>& b,
+	const detail::tvec4<T>& z, const detail::tvec4<U>& c,
+	const detail::tvec4<T>& w, const detail::tvec4<U>& d
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<U>::size_type i = 0; i < detail::tvec4<U>::value_size; ++i)
+	{
+		T Test1 = max(x[i], y[i]);
+		T Test2 = max(z[i], w[i]);
+		U Result1 = x[i] > y[i] ? a[i] : b[i];
+		U Result2 = z[i] > w[i] ? c[i] : d[i];
+		Result[i] = Test1 > Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Max comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMax
+(
+	T x, const detail::tvec2<U>& a,
+	T y, const detail::tvec2<U>& b,
+	T z, const detail::tvec2<U>& c,
+	T w, const detail::tvec2<U>& d
+)
+{
+	T Test1 = max(x, y);
+	T Test2 = max(z, w);
+
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<U>::size_type i = 0; i < detail::tvec2<U>::value_size; ++i)
+	{
+		U Result1 = x > y ? a[i] : b[i];
+		U Result2 = z > w ? c[i] : d[i];
+		Result[i] = Test1 > Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Max comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMax
+(
+	T x, const detail::tvec3<U>& a,
+	T y, const detail::tvec3<U>& b,
+	T z, const detail::tvec3<U>& c,
+	T w, const detail::tvec3<U>& d
+)
+{
+	T Test1 = max(x, y);
+	T Test2 = max(z, w);
+
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<U>::size_type i = 0; i < detail::tvec3<U>::value_size; ++i)
+	{
+		U Result1 = x > y ? a[i] : b[i];
+		U Result2 = z > w ? c[i] : d[i];
+		Result[i] = Test1 > Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Max comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMax
+(
+	T x, const detail::tvec4<U>& a,
+	T y, const detail::tvec4<U>& b,
+	T z, const detail::tvec4<U>& c,
+	T w, const detail::tvec4<U>& d
+)
+{
+	T Test1 = max(x, y);
+	T Test2 = max(z, w);
+
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<U>::size_type i = 0; i < detail::tvec4<U>::value_size; ++i)
+	{
+		U Result1 = x > y ? a[i] : b[i];
+		U Result2 = z > w ? c[i] : d[i];
+		Result[i] = Test1 > Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Max comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec2<U> associatedMax
+(
+	const detail::tvec2<T>& x, U a,
+	const detail::tvec2<T>& y, U b,
+	const detail::tvec2<T>& z, U c,
+	const detail::tvec2<T>& w, U d
+)
+{
+	detail::tvec2<U> Result;
+	for(typename detail::tvec2<T>::size_type i = 0; i < detail::tvec2<T>::value_size(); ++i)
+	{
+		T Test1 = max(x[i], y[i]);
+		T Test2 = max(z[i], w[i]);;
+		U Result1 = x[i] > y[i] ? a : b;
+		U Result2 = z[i] > w[i] ? c : d;
+		Result[i] = Test1 > Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Max comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec3<U> associatedMax
+(
+	const detail::tvec3<T>& x, U a,
+	const detail::tvec3<T>& y, U b,
+	const detail::tvec3<T>& z, U c,
+	const detail::tvec3<T>& w, U d
+)
+{
+	detail::tvec3<U> Result;
+	for(typename detail::tvec3<T>::size_type i = 0; i < detail::tvec3<T>::value_size(); ++i)
+	{
+		T Test1 = max(x[i], y[i]);
+		T Test2 = max(z[i], w[i]);;
+		U Result1 = x[i] > y[i] ? a : b;
+		U Result2 = z[i] > w[i] ? c : d;
+		Result[i] = Test1 > Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+// Max comparison between 4 variables
+template<typename T, typename U>
+GLM_FUNC_QUALIFIER detail::tvec4<U> associatedMax
+(
+	const detail::tvec4<T>& x, U a,
+	const detail::tvec4<T>& y, U b,
+	const detail::tvec4<T>& z, U c,
+	const detail::tvec4<T>& w, U d
+)
+{
+	detail::tvec4<U> Result;
+	for(typename detail::tvec4<T>::size_type i = 0; i < detail::tvec4<T>::value_size(); ++i)
+	{
+		T Test1 = max(x[i], y[i]);
+		T Test2 = max(z[i], w[i]);;
+		U Result1 = x[i] > y[i] ? a : b;
+		U Result2 = z[i] > w[i] ? c : d;
+		Result[i] = Test1 > Test2 ? Result1 : Result2;
+	}
+	return Result;
+}
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/bit.hpp b/include/gal/opengl/glm/gtx/bit.hpp
new file mode 100644
index 0000000..94aaae5
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/bit.hpp
@@ -0,0 +1,140 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_bit
+/// @file glm/gtx/bit.hpp
+/// @date 2007-03-14 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtc_half_float (dependence)
+///
+/// @defgroup gtx_bit GLM_GTX_bit
+/// @ingroup gtx
+/// 
+/// @brief Allow to perform bit operations on integer values
+/// 
+/// <glm/gtx/bit.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_bit
+#define GLM_GTX_bit GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtc/half_float.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_bit extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_bit
+	/// @{
+
+	/// Build a mask of 'count' bits
+	/// @see gtx_bit
+	template <typename genIType>
+	genIType mask(genIType const & count);
+
+	/// Component wise extraction of bit fields.
+	/// genType and genIType could be a scalar or a vector.
+	/// @see gtx_bit
+	template <typename genIUType, typename sizeType>
+	GLM_DEPRECATED genIUType extractField(
+		genIUType const & v, 
+		sizeType const & first, 
+		sizeType const & count);
+
+	//! Find the lowest bit set to 1 in a integer variable.
+	/// @see gtx_bit
+	template <typename genType> 
+	GLM_DEPRECATED int lowestBit(genType const & value);
+
+	//! Find the highest bit set to 1 in a integer variable.
+	/// @see gtx_bit
+	template <typename genType> 
+	GLM_DEPRECATED int highestBit(genType const & value);
+
+	//! Find the highest bit set to 1 in a integer variable and return its value. 
+	/// @see gtx_bit
+	template <typename genType> 
+	genType highestBitValue(genType const & value);
+
+	//! Return true if the value is a power of two number. 
+	/// @see gtx_bit
+	template <typename genType> 
+	bool isPowerOfTwo(genType const & value);
+
+	//! Return the power of two number which value is just higher the input value.
+	/// @see gtx_bit
+	template <typename genType> 
+	genType powerOfTwoAbove(genType const & value);
+
+	//! Return the power of two number which value is just lower the input value. 
+	/// @see gtx_bit
+	template <typename genType> 
+	genType powerOfTwoBelow(genType const & value);
+
+	//! Return the power of two number which value is the closet to the input value. 
+	/// @see gtx_bit
+	template <typename genType> 
+	genType powerOfTwoNearest(genType const & value);
+
+	//! Revert all bits of any integer based type. 
+	/// @see gtx_bit
+	template <typename genType> 
+	GLM_DEPRECATED genType bitRevert(genType const & value);
+
+	//! Rotate all bits to the right.
+	/// @see gtx_bit
+	template <typename genType>
+	genType bitRotateRight(genType const & In, std::size_t Shift);
+
+	//! Rotate all bits to the left.
+	/// @see gtx_bit
+	template <typename genType>
+	genType bitRotateLeft(genType const & In, std::size_t Shift);
+
+	//! Set to 1 a range of bits.
+	/// @see gtx_bit
+	template <typename genIUType>
+	genIUType fillBitfieldWithOne(
+		genIUType const & Value,
+		int const & FromBit, 
+		int const & ToBit);
+
+	//! Set to 0 a range of bits.
+	/// @see gtx_bit
+	template <typename genIUType>
+	genIUType fillBitfieldWithZero(
+		genIUType const & Value,
+		int const & FromBit, 
+		int const & ToBit);
+
+	/// @}
+} //namespace glm
+
+#include "bit.inl"
+
+#endif//GLM_GTX_bit
diff --git a/include/gal/opengl/glm/gtx/bit.inl b/include/gal/opengl/glm/gtx/bit.inl
new file mode 100644
index 0000000..27647ae
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/bit.inl
@@ -0,0 +1,600 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-03-14
+// Updated : 2008-11-14
+// Licence : This source is under MIT License
+// File    : glm/gtx/bit.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename genIType>
+	GLM_FUNC_QUALIFIER genIType mask
+	(
+		genIType const & count
+	)
+	{
+		return ((genIType(1) << (count)) - genIType(1));
+	}
+
+	VECTORIZE_VEC(mask)
+
+	// extractField
+	template <typename genIType>
+	GLM_FUNC_QUALIFIER genIType extractField
+	(
+		half const & value, 
+		genIType const & first, 
+		genIType const & count
+	)
+	{
+		assert(first + count < sizeof(half));
+		return (value._data() << first) >> ((sizeof(half) << 3) - count);
+	}
+
+	template <typename genIType>
+	GLM_FUNC_QUALIFIER genIType extractField
+	(
+		float const & value, 
+		genIType const & first, 
+		genIType const & count
+	)
+	{
+		assert(first + count < sizeof(float));
+		return (detail::uif32(value).i << first) >> ((sizeof(float) << 3) - count);
+	}
+
+	template <typename genIType>
+	GLM_FUNC_QUALIFIER genIType extractField
+	(
+		double const & value, 
+		genIType const & first, 
+		genIType const & count
+	)
+	{
+		assert(first + count < sizeof(double));
+		return (detail::uif64(value).i << first) >> ((sizeof(double) << genIType(3)) - count);
+	}
+
+	template <typename genIUType, typename sizeType>
+	GLM_FUNC_QUALIFIER genIUType extractField
+	(
+		genIUType const & Value, 
+		sizeType const & First, 
+		sizeType const & Count
+	)
+	{
+		sizeType GenSize = sizeof(genIUType) << 3;
+
+		assert(First + Count <= GenSize);
+
+		genIUType ShiftLeft = Count ? Value << (GenSize - (Count + First)) : 0;
+		genIUType ShiftBack = ShiftLeft >> genIUType(GenSize - Count);
+
+		return ShiftBack;
+	}
+
+	template <typename genIUType, typename sizeType>
+	GLM_FUNC_QUALIFIER detail::tvec2<genIUType> extractField
+	(
+		detail::tvec2<genIUType> const & value, 
+		sizeType const & first, 
+		sizeType const & count
+	)
+	{
+		return detail::tvec2<genIUType>(
+			extractField(value[0], first, count),
+			extractField(value[1], first, count));
+	}
+
+	template <typename genIUType, typename sizeType>
+	GLM_FUNC_QUALIFIER detail::tvec3<genIUType> extractField
+	(
+		detail::tvec3<genIUType> const & value, 
+		sizeType const & first, 
+		sizeType const & count
+	)
+	{
+		return detail::tvec3<genIUType>(
+			extractField(value[0], first, count),
+			extractField(value[1], first, count),
+			extractField(value[2], first, count));
+	}
+
+	template <typename genIUType, typename sizeType>
+	GLM_FUNC_QUALIFIER detail::tvec4<genIUType> extractField
+	(
+		detail::tvec4<genIUType> const & value, 
+		sizeType const & first, 
+		sizeType const & count
+	)
+	{
+		return detail::tvec4<genIUType>(
+			extractField(value[0], first, count),
+			extractField(value[1], first, count),
+			extractField(value[2], first, count),
+			extractField(value[3], first, count));
+	}
+
+	template <typename genIUType, typename sizeType>
+	GLM_FUNC_QUALIFIER detail::tvec2<genIUType> extractField
+	(
+		detail::tvec2<genIUType> const & value, 
+		detail::tvec2<sizeType> const & first, 
+		detail::tvec2<sizeType> const & count
+	)
+	{
+		return detail::tvec2<genIUType>(
+			extractField(value[0], first[0], count[0]),
+			extractField(value[1], first[1], count[1]));
+	}
+
+	template <typename genIUType, typename sizeType>
+	GLM_FUNC_QUALIFIER detail::tvec3<genIUType> extractField
+	(
+		detail::tvec3<genIUType> const & value, 
+		detail::tvec3<sizeType> const & first, 
+		detail::tvec3<sizeType> const & count
+	)
+	{
+		return detail::tvec3<genIUType>(
+			extractField(value[0], first[0], count[0]),
+			extractField(value[1], first[1], count[1]),
+			extractField(value[2], first[2], count[2]));
+	}
+
+	template <typename genIUType, typename sizeType>
+	GLM_FUNC_QUALIFIER detail::tvec4<genIUType> extractField
+	(
+		detail::tvec4<genIUType> const & value, 
+		detail::tvec4<sizeType> const & first, 
+		detail::tvec4<sizeType> const & count
+	)
+	{
+		return detail::tvec4<genIUType>(
+			extractField(value[0], first[0], count[0]),
+			extractField(value[1], first[1], count[1]),
+			extractField(value[2], first[2], count[2]),
+			extractField(value[3], first[3], count[3]));
+	}
+
+	template <typename genIUType, typename sizeType>
+	GLM_FUNC_QUALIFIER detail::tvec2<genIUType> extractField
+	(
+		genIUType const & value, 
+		detail::tvec2<sizeType> const & first, 
+		detail::tvec2<sizeType> const & count
+	)
+	{
+		return detail::tvec2<genIUType>(
+			extractField(value, first[0], count[0]),
+			extractField(value, first[1], count[1]));
+	}
+
+	template <typename genIUType, typename sizeType>
+	GLM_FUNC_QUALIFIER detail::tvec3<genIUType> extractField
+	(
+		genIUType const & value, 
+		detail::tvec3<sizeType> const & first, 
+		detail::tvec3<sizeType> const & count
+	)
+	{
+		return detail::tvec3<genIUType>(
+			extractField(value, first[0], count[0]),
+			extractField(value, first[1], count[1]),
+			extractField(value, first[2], count[2]));
+	}
+
+	template <typename genIUType, typename sizeType>
+	GLM_FUNC_QUALIFIER detail::tvec4<genIUType> extractField
+	(
+		genIUType const & value, 
+		detail::tvec4<sizeType> const & first, 
+		detail::tvec4<sizeType> const & count
+	)
+	{
+		return detail::tvec4<genIUType>(
+			extractField(value, first[0], count[0]),
+			extractField(value, first[1], count[1]),
+			extractField(value, first[2], count[2]),
+			extractField(value, first[3], count[3]));
+	}
+
+	// lowestBit
+	template <typename genType>
+	GLM_FUNC_QUALIFIER int lowestBit
+	(
+		genType const & Value
+	)
+	{
+		assert(Value != genType(0)); // not valid call
+
+		genType Bit;
+		for(Bit = genType(0); !(Value & (1 << Bit)); ++Bit){}
+		return Bit;
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec2<int> lowestBit
+	(
+		detail::tvec2<valType> const & value
+	)
+	{
+		return detail::tvec2<int>(
+			lowestBit(value[0]),
+			lowestBit(value[1]));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec3<int> lowestBit
+	(
+		detail::tvec3<valType> const & value
+	)
+	{
+		return detail::tvec3<int>(
+			lowestBit(value[0]),
+			lowestBit(value[1]),
+			lowestBit(value[2]));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec4<int> lowestBit
+	(
+		detail::tvec4<valType> const & value
+	)
+	{
+		return detail::tvec4<int>(
+			lowestBit(value[0]),
+			lowestBit(value[1]),
+			lowestBit(value[2]),
+			lowestBit(value[3]));
+	}
+
+	// highestBit
+	template <typename genType>
+	GLM_FUNC_QUALIFIER int highestBit
+	(
+		genType const & value
+	)
+	{
+		assert(value != genType(0)); // not valid call
+
+		genType bit = genType(-1);
+		for(genType tmp = value; tmp; tmp >>= 1, ++bit){}
+		return bit;
+	}
+
+	//template <>
+	//GLM_FUNC_QUALIFIER int highestBit<int>
+	//(
+	//	int value
+	//)
+	//{
+	//	int bit = -1;
+	//	for(int tmp = value; tmp; tmp >>= 1, ++bit);
+	//	return bit;
+	//}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec2<int> highestBit
+	(
+		detail::tvec2<valType> const & value
+	)
+	{
+		return detail::tvec2<int>(
+			highestBit(value[0]),
+			highestBit(value[1]));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec3<int> highestBit
+	(
+		detail::tvec3<valType> const & value
+	)
+	{
+		return detail::tvec3<int>(
+			highestBit(value[0]),
+			highestBit(value[1]),
+			highestBit(value[2]));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec4<int> highestBit
+	(
+		detail::tvec4<valType> const & value
+	)
+	{
+		return detail::tvec4<int>(
+			highestBit(value[0]),
+			highestBit(value[1]),
+			highestBit(value[2]),
+			highestBit(value[3]));
+	}
+
+	// highestBitValue
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType highestBitValue
+	(
+		genType const & value
+	)
+	{
+		genType tmp = value;
+		genType result = genType(0);
+		while(tmp)
+		{
+			result = (tmp & (~tmp + 1)); // grab lowest bit
+			tmp &= ~result; // clear lowest bit
+		}
+		return result;
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec2<int> highestBitValue
+	(
+		detail::tvec2<valType> const & value
+	)
+	{
+		return detail::tvec2<int>(
+			highestBitValue(value[0]),
+			highestBitValue(value[1]));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec3<int> highestBitValue
+	(
+		detail::tvec3<valType> const & value
+	)
+	{
+		return detail::tvec3<int>(
+			highestBitValue(value[0]),
+			highestBitValue(value[1]),
+			highestBitValue(value[2]));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec4<int> highestBitValue
+	(
+		detail::tvec4<valType> const & value
+	)
+	{
+		return detail::tvec4<int>(
+			highestBitValue(value[0]),
+			highestBitValue(value[1]),
+			highestBitValue(value[2]),
+			highestBitValue(value[3]));
+	}
+
+	// isPowerOfTwo
+	template <typename genType>
+	GLM_FUNC_QUALIFIER bool isPowerOfTwo(genType const & Value)
+	{
+		//detail::If<std::numeric_limits<genType>::is_signed>::apply(abs, Value);
+		//return !(Value & (Value - 1));
+
+		// For old complier?
+		genType Result = Value;
+		if(std::numeric_limits<genType>::is_signed)
+			Result = abs(Result);
+		return !(Result & (Result - 1));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec2<bool> isPowerOfTwo
+	(
+		detail::tvec2<valType> const & value
+	)
+	{
+		return detail::tvec2<bool>(
+			isPowerOfTwo(value[0]),
+			isPowerOfTwo(value[1]));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec3<bool> isPowerOfTwo
+	(
+		detail::tvec3<valType> const & value
+	)
+	{
+		return detail::tvec3<bool>(
+			isPowerOfTwo(value[0]),
+			isPowerOfTwo(value[1]),
+			isPowerOfTwo(value[2]));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec4<bool> isPowerOfTwo
+	(
+		detail::tvec4<valType> const & value
+	)
+	{
+		return detail::tvec4<bool>(
+			isPowerOfTwo(value[0]),
+			isPowerOfTwo(value[1]),
+			isPowerOfTwo(value[2]),
+			isPowerOfTwo(value[3]));
+	}
+
+	// powerOfTwoAbove
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType powerOfTwoAbove(genType const & value)
+	{
+		return isPowerOfTwo(value) ? value : highestBitValue(value) << 1;
+	}
+
+	VECTORIZE_VEC(powerOfTwoAbove)
+
+	// powerOfTwoBelow
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType powerOfTwoBelow
+	(
+		genType const & value
+	)
+	{
+		return isPowerOfTwo(value) ? value : highestBitValue(value);
+	}
+
+	VECTORIZE_VEC(powerOfTwoBelow)
+
+	// powerOfTwoNearest
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType powerOfTwoNearest
+	(
+		genType const & value
+	)
+	{
+		if(isPowerOfTwo(value))
+			return value;
+
+		genType prev = highestBitValue(value);
+		genType next = prev << 1;
+		return (next - value) < (value - prev) ? next : prev;
+	}
+
+	VECTORIZE_VEC(powerOfTwoNearest)
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType bitRevert(genType const & In)
+	{
+		GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_integer, "'bitRevert' only accept integer values");
+
+		genType Out = 0;
+		std::size_t BitSize = sizeof(genType) * 8;
+		for(std::size_t i = 0; i < BitSize; ++i)
+			if(In & (genType(1) << i))
+				Out |= genType(1) << (BitSize - 1 - i);
+		return Out;
+	}
+
+	VECTORIZE_VEC(bitRevert)
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType bitRotateRight(genType const & In, std::size_t Shift)
+	{
+		GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_integer, "'bitRotateRight' only accept integer values");
+
+		std::size_t BitSize = sizeof(genType) * 8;
+		return (In << Shift) | (In >> (BitSize - Shift));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec2<valType> bitRotateRight
+	(
+		detail::tvec2<valType> const & Value, 
+		std::size_t Shift
+	)
+	{
+		return detail::tvec2<valType>(
+			bitRotateRight(Value[0], Shift),
+			bitRotateRight(Value[1], Shift));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec3<valType> bitRotateRight
+	(
+		detail::tvec3<valType> const & Value, 
+		std::size_t Shift
+	)
+	{
+		return detail::tvec3<valType>(
+			bitRotateRight(Value[0], Shift),
+			bitRotateRight(Value[1], Shift),
+			bitRotateRight(Value[2], Shift));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec4<valType> bitRotateRight
+	(
+		detail::tvec4<valType> const & Value, 
+		std::size_t Shift
+	)
+	{
+		return detail::tvec4<valType>(
+			bitRotateRight(Value[0], Shift),
+			bitRotateRight(Value[1], Shift),
+			bitRotateRight(Value[2], Shift),
+			bitRotateRight(Value[3], Shift));
+	}
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType bitRotateLeft(genType const & In, std::size_t Shift)
+	{
+		GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_integer, "'bitRotateLeft' only accept integer values");
+
+		std::size_t BitSize = sizeof(genType) * 8;
+		return (In >> Shift) | (In << (BitSize - Shift));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec2<valType> bitRotateLeft
+	(
+		detail::tvec2<valType> const & Value, 
+		std::size_t Shift
+	)
+	{
+		return detail::tvec2<valType>(
+			bitRotateLeft(Value[0], Shift),
+			bitRotateLeft(Value[1], Shift));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec3<valType> bitRotateLeft
+	(
+		detail::tvec3<valType> const & Value, 
+		std::size_t Shift
+	)
+	{
+		return detail::tvec3<valType>(
+			bitRotateLeft(Value[0], Shift),
+			bitRotateLeft(Value[1], Shift),
+			bitRotateLeft(Value[2], Shift));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec4<valType> bitRotateLeft
+	(
+		detail::tvec4<valType> const & Value, 
+		std::size_t Shift
+	)
+	{
+		return detail::tvec4<valType>(
+			bitRotateLeft(Value[0], Shift),
+			bitRotateLeft(Value[1], Shift),
+			bitRotateLeft(Value[2], Shift),
+			bitRotateLeft(Value[3], Shift));
+	}
+
+	template <typename genIUType>
+	GLM_FUNC_QUALIFIER genIUType fillBitfieldWithOne
+	(
+		genIUType const & Value,
+		int const & FromBit, 
+		int const & ToBit
+	)
+	{
+		assert(FromBit <= ToBit);
+		assert(ToBit <= sizeof(genIUType) * std::size_t(8));
+
+		genIUType Result = Value;
+		for(std::size_t i = 0; i <= ToBit; ++i)
+			Result |= (1 << i);
+		return Result;
+	}
+
+	template <typename genIUType>
+	GLM_FUNC_QUALIFIER genIUType fillBitfieldWithZero
+	(
+		genIUType const & Value,
+		int const & FromBit, 
+		int const & ToBit
+	)
+	{
+		assert(FromBit <= ToBit);
+		assert(ToBit <= sizeof(genIUType) * std::size_t(8));
+
+		genIUType Result = Value;
+		for(std::size_t i = 0; i <= ToBit; ++i)
+			Result &= ~(1 << i);
+		return Result;
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/closest_point.hpp b/include/gal/opengl/glm/gtx/closest_point.hpp
new file mode 100644
index 0000000..7f79556
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/closest_point.hpp
@@ -0,0 +1,66 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_bit
+/// @file glm/gtx/bit.hpp
+/// @date 2005-12-30 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_closest_point GLM_GTX_closest_point
+/// @ingroup gtx
+///
+/// @brief Find the point on a straight line which is the closet of a point.
+/// 
+/// <glm/gtx/closest_point.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_closest_point
+#define GLM_GTX_closest_point GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_closest_point extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_closest_point
+	/// @{
+
+	/// Find the point on a straight line which is the closet of a point. 
+	/// @see gtx_closest_point
+	template <typename T> 
+	detail::tvec3<T> closestPointOnLine(
+		detail::tvec3<T> const & point, 
+		detail::tvec3<T> const & a, 
+		detail::tvec3<T> const & b);
+
+	/// @}
+}// namespace glm
+
+#include "closest_point.inl"
+
+#endif//GLM_GTX_closest_point
diff --git a/include/gal/opengl/glm/gtx/closest_point.inl b/include/gal/opengl/glm/gtx/closest_point.inl
new file mode 100644
index 0000000..d018c1d
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/closest_point.inl
@@ -0,0 +1,36 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-30
+// Updated : 2008-10-05
+// Licence : This source is under MIT License
+// File    : glm/gtx/closest_point.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef glm_gtx_closest_point
+#define glm_gtx_closest_point
+
+namespace glm
+{
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tvec3<valType> closestPointOnLine
+	(
+		detail::tvec3<valType> const & point, 
+		detail::tvec3<valType> const & a, 
+		detail::tvec3<valType> const & b
+	)
+	{
+		valType LineLength = distance(a, b);
+		detail::tvec3<valType> Vector = point - a;
+		detail::tvec3<valType> LineDirection = (b - a) / LineLength;
+
+		// Project Vector to LineDirection to get the distance of point from a
+		valType Distance = dot(Vector, LineDirection);
+
+		if(Distance <= valType(0)) return a;
+		if(Distance >= LineLength) return b;
+		return a + LineDirection * Distance;
+	}
+}//namespace glm
+
+#endif//glm_gtx_closest_point
diff --git a/include/gal/opengl/glm/gtx/color_cast.hpp b/include/gal/opengl/glm/gtx/color_cast.hpp
new file mode 100644
index 0000000..5dada88
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/color_cast.hpp
@@ -0,0 +1,124 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_color_cast
+/// @file glm/gtx/color_cast.hpp
+/// @date 2007-06-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_number_precision (dependence)
+///
+/// @defgroup gtx_color_cast GLM_GTX_color_cast
+/// @ingroup gtx
+///
+/// @brief Conversion between two color types.
+/// 
+/// <glm/gtx/color_cast.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_color_cast
+#define GLM_GTX_color_cast GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/number_precision.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_color_cast extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_color_cast
+	/// @{
+
+	//! Conversion of a floating value into a 8bit unsigned int value. 
+	/// @see gtx_color_cast
+	template <typename valType> uint8 u8channel_cast(valType a);
+
+	/// Conversion of a floating value into a 16bit unsigned int value. 
+	/// @see gtx_color_cast
+	template <typename valType>	uint16 u16channel_cast(valType a);
+
+	template <typename T> uint32 u32_rgbx_cast(const detail::tvec3<T>& c);		//!< \brief Conversion of a 3 components color into an 32bit unsigned int value. (From GLM_GTX_color_cast extension)
+	template <typename T> uint32 u32_xrgb_cast(const detail::tvec3<T>& c);		//!< \brief Conversion of a 3 components color into an 32bit unsigned int value. (From GLM_GTX_color_cast extension)
+	template <typename T> uint32 u32_bgrx_cast(const detail::tvec3<T>& c);		//!< \brief Conversion of a 3 components color into an 32bit unsigned int value. (From GLM_GTX_color_cast extension)
+	template <typename T> uint32 u32_xbgr_cast(const detail::tvec3<T>& c);		//!< \brief Conversion of a 3 components color into an 32bit unsigned int value. (From GLM_GTX_color_cast extension)
+
+	template <typename T> uint32 u32_rgba_cast(const detail::tvec4<T>& c);		//!< \brief Conversion of a 4 components color into an 32bit unsigned int value. (From GLM_GTX_color_cast extension)
+	template <typename T> uint32 u32_argb_cast(const detail::tvec4<T>& c);		//!< \brief Conversion of a 4 components color into an 32bit unsigned int value. (From GLM_GTX_color_cast extension)
+	template <typename T> uint32 u32_bgra_cast(const detail::tvec4<T>& c);		//!< \brief Conversion of a 4 components color into an 32bit unsigned int value. (From GLM_GTX_color_cast extension)
+	template <typename T> uint32 u32_abgr_cast(const detail::tvec4<T>& c);		//!< \brief Conversion of a 4 components color into an 32bit unsigned int value. (From GLM_GTX_color_cast extension)
+
+	template <typename T> uint64 u64_rgbx_cast(const detail::tvec3<T>& c);		//!< \brief Conversion of a 3 components color into an 64bit unsigned int value. (From GLM_GTX_color_cast extension)
+	template <typename T> uint64 u64_xrgb_cast(const detail::tvec3<T>& c);		//!< \brief Conversion of a 3 components color into an 64bit unsigned int value. (From GLM_GTX_color_cast extension)
+	template <typename T> uint64 u64_bgrx_cast(const detail::tvec3<T>& c);		//!< \brief Conversion of a 3 components color into an 64bit unsigned int value. (From GLM_GTX_color_cast extension)
+	template <typename T> uint64 u64_xbgr_cast(const detail::tvec3<T>& c);		//!< \brief Conversion of a 3 components color into an 64bit unsigned int value. (From GLM_GTX_color_cast extension)
+
+	template <typename T> uint64 u64_rgba_cast(const detail::tvec4<T>& c);		//!< \brief Conversion of a 4 components color into an 64bit unsigned int value. (From GLM_GTX_color_cast extension)
+	template <typename T> uint64 u64_argb_cast(const detail::tvec4<T>& c);		//!< \brief Conversion of a 4 components color into an 64bit unsigned int value. (From GLM_GTX_color_cast extension)
+	template <typename T> uint64 u64_bgra_cast(const detail::tvec4<T>& c);		//!< \brief Conversion of a 4 components color into an 64bit unsigned int value. (From GLM_GTX_color_cast extension)
+	template <typename T> uint64 u64_abgr_cast(const detail::tvec4<T>& c);		//!< \brief Conversion of a 4 components color into an 64bit unsigned int value. (From GLM_GTX_color_cast extension)
+
+	template <typename T> f16 f16_channel_cast(T a);	//!< \brief Conversion of a u8 or u16 value to a single channel floating value. (From GLM_GTX_color_cast extension)
+
+	template <typename T> f16vec3 f16_rgbx_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 3 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f16vec3 f16_xrgb_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 3 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f16vec3 f16_bgrx_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 3 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f16vec3 f16_xbgr_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 3 components floating color. (From GLM_GTX_color_cast extension)
+
+	template <typename T> f16vec4 f16_rgba_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 4 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f16vec4 f16_argb_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 4 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f16vec4 f16_bgra_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 4 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f16vec4 f16_abgr_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 4 components floating color. (From GLM_GTX_color_cast extension)
+
+	template <typename T> f32 f32_channel_cast(T a);		//!< \brief Conversion of a u8 or u16 value to a single channel floating value. (From GLM_GTX_color_cast extension)
+
+	template <typename T> f32vec3 f32_rgbx_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 3 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f32vec3 f32_xrgb_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 3 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f32vec3 f32_bgrx_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 3 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f32vec3 f32_xbgr_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 3 components floating color. (From GLM_GTX_color_cast extension)
+
+	template <typename T> f32vec4 f32_rgba_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 4 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f32vec4 f32_argb_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 4 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f32vec4 f32_bgra_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 4 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f32vec4 f32_abgr_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 4 components floating color. (From GLM_GTX_color_cast extension)
+
+	template <typename T> f64 f64_channel_cast(T a);		//!< \brief Conversion of a u8 or u16 value to a single channel floating value. (From GLM_GTX_color_cast extension)
+
+	template <typename T> f64vec3 f64_rgbx_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 3 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f64vec3 f64_xrgb_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 3 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f64vec3 f64_bgrx_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 3 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f64vec3 f64_xbgr_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 3 components floating color. (From GLM_GTX_color_cast extension)
+
+	template <typename T> f64vec4 f64_rgba_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 4 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f64vec4 f64_argb_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 4 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f64vec4 f64_bgra_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 4 components floating color. (From GLM_GTX_color_cast extension)
+	template <typename T> f64vec4 f64_abgr_cast(T c);		//!< \brief Conversion of a u32 or u64 color into 4 components floating color. (From GLM_GTX_color_cast extension)
+
+	/// @}
+}//namespace glm
+
+#include "color_cast.inl"
+
+#endif//GLM_GTX_color_cast
diff --git a/include/gal/opengl/glm/gtx/color_cast.inl b/include/gal/opengl/glm/gtx/color_cast.inl
new file mode 100644
index 0000000..55fd1ce
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/color_cast.inl
@@ -0,0 +1,733 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-06-21
+// Updated : 2007-08-03
+// Licence : This source is under MIT License
+// File    : glm/gtx/color_cast.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T> 
+	GLM_FUNC_QUALIFIER uint8 u8channel_cast(T a)
+	{
+		return static_cast<uint8>(a * T(255));
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER uint16 u16channel_cast(T a)
+	{
+		return static_cast<uint16>(a * T(65535));
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint32 u32_rgbx_cast(const detail::tvec3<T>& c)
+	{
+		uint32 result = 0;
+		result += static_cast<uint32>(c.x * detail::tvec3<T>::value_type(255)) <<  0;
+		result += static_cast<uint32>(c.y * detail::tvec3<T>::value_type(255)) <<  8;
+		result += static_cast<uint32>(c.z * detail::tvec3<T>::value_type(255)) << 16;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint32 u32_xrgb_cast(const detail::tvec3<T>& c)
+	{
+		uint32 result = 0;
+		result += static_cast<uint32>(c.x * detail::tvec3<T>::value_type(255)) <<  8;
+		result += static_cast<uint32>(c.y * detail::tvec3<T>::value_type(255)) << 16;
+		result += static_cast<uint32>(c.z * detail::tvec3<T>::value_type(255)) << 24;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint32 u32_bgrx_cast(const detail::tvec3<T>& c)
+	{
+		uint32 result = 0;
+		result += static_cast<uint32>(c.x * detail::tvec3<T>::value_type(255)) << 16;
+		result += static_cast<uint32>(c.y * detail::tvec3<T>::value_type(255)) <<  8;
+		result += static_cast<uint32>(c.z * detail::tvec3<T>::value_type(255)) <<  0;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint32 u32_xbgr_cast(const detail::tvec3<T>& c)
+	{
+		uint32 result = 0;
+		result += static_cast<uint32>(c.x * detail::tvec3<T>::value_type(255)) << 24;
+		result += static_cast<uint32>(c.y * detail::tvec3<T>::value_type(255)) << 16;
+		result += static_cast<uint32>(c.z * detail::tvec3<T>::value_type(255)) <<  8;
+		result += static_cast<uint32>(c.w * detail::tvec3<T>::value_type(255)) <<  0;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint32 u32_rgba_cast(const detail::tvec4<T>& c)
+	{
+		uint32 result = 0;
+		result += static_cast<uint32>(c.x * detail::tvec4<T>::value_type(255)) <<  0;
+		result += static_cast<uint32>(c.y * detail::tvec4<T>::value_type(255)) <<  8;
+		result += static_cast<uint32>(c.z * detail::tvec4<T>::value_type(255)) << 16;
+		result += static_cast<uint32>(c.w * detail::tvec4<T>::value_type(255)) << 24;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint32 u32_argb_cast(const detail::tvec4<T>& c)
+	{
+		uint32 result = 0;
+		result += static_cast<uint32>(c.x * detail::tvec4<T>::value_type(255)) <<  8;
+		result += static_cast<uint32>(c.y * detail::tvec4<T>::value_type(255)) << 16;
+		result += static_cast<uint32>(c.z * detail::tvec4<T>::value_type(255)) << 24;
+		result += static_cast<uint32>(c.w * detail::tvec4<T>::value_type(255)) <<  0;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint32 u32_bgra_cast(const detail::tvec4<T>& c)
+	{
+		uint32 result = 0;
+		result += static_cast<uint32>(c.x * detail::tvec4<T>::value_type(255)) << 16;
+		result += static_cast<uint32>(c.y * detail::tvec4<T>::value_type(255)) <<  8;
+		result += static_cast<uint32>(c.z * detail::tvec4<T>::value_type(255)) <<  0;
+		result += static_cast<uint32>(c.w * detail::tvec4<T>::value_type(255)) << 24;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint32 u32_abgr_cast(const detail::tvec4<T>& c)
+	{
+		uint32 result = 0;
+		result += static_cast<uint32>(c.x * detail::tvec4<T>::value_type(255)) << 24;
+		result += static_cast<uint32>(c.y * detail::tvec4<T>::value_type(255)) << 16;
+		result += static_cast<uint32>(c.z * detail::tvec4<T>::value_type(255)) <<  8;
+		result += static_cast<uint32>(c.w * detail::tvec4<T>::value_type(255)) <<  0;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint64 u64_rgbx_cast(const detail::tvec3<T>& c)
+	{
+		uint64 result = 0;
+		result += static_cast<uint64>(c.x * detail::tvec3<T>::value_type(65535)) <<  0;
+		result += static_cast<uint64>(c.y * detail::tvec3<T>::value_type(65535)) << 16;
+		result += static_cast<uint64>(c.z * detail::tvec3<T>::value_type(65535)) << 32;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint64 u32_xrgb_cast(const detail::tvec3<T>& c)
+	{
+		uint64 result = 0;
+		result += static_cast<uint64>(c.x * detail::tvec3<T>::value_type(65535)) << 16;
+		result += static_cast<uint64>(c.y * detail::tvec3<T>::value_type(65535)) << 32;
+		result += static_cast<uint64>(c.z * detail::tvec3<T>::value_type(65535)) << 48;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint64 u32_bgrx_cast(const detail::tvec3<T>& c)
+	{
+		uint64 result = 0;
+		result += static_cast<uint64>(c.x * detail::tvec3<T>::value_type(65535)) << 32;
+		result += static_cast<uint64>(c.y * detail::tvec3<T>::value_type(65535)) << 16;
+		result += static_cast<uint64>(c.z * detail::tvec3<T>::value_type(65535)) <<  0;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint64 u32_xbgr_cast(const detail::tvec3<T>& c)
+	{
+		uint64 result = 0;
+		result += static_cast<uint64>(c.x * detail::tvec3<T>::value_type(65535)) << 48;
+		result += static_cast<uint64>(c.y * detail::tvec3<T>::value_type(65535)) << 32;
+		result += static_cast<uint64>(c.z * detail::tvec3<T>::value_type(65535)) << 16;
+		result += static_cast<uint64>(c.w * detail::tvec3<T>::value_type(65535)) <<  0;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint64 u64_rgba_cast(const detail::tvec4<T>& c)
+	{
+		uint64 result = 0;
+		result += static_cast<uint64>(c.x * detail::tvec4<T>::value_type(65535)) <<  0;
+		result += static_cast<uint64>(c.y * detail::tvec4<T>::value_type(65535)) << 16;
+		result += static_cast<uint64>(c.z * detail::tvec4<T>::value_type(65535)) << 32;
+		result += static_cast<uint64>(c.w * detail::tvec4<T>::value_type(65535)) << 48;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint64 u64_argb_cast(const detail::tvec4<T>& c)
+	{
+		uint64 result = 0;
+		result += static_cast<uint64>(c.x * detail::tvec4<T>::value_type(65535)) << 16;
+		result += static_cast<uint64>(c.y * detail::tvec4<T>::value_type(65535)) << 32;
+		result += static_cast<uint64>(c.z * detail::tvec4<T>::value_type(65535)) << 48;
+		result += static_cast<uint64>(c.w * detail::tvec4<T>::value_type(65535)) <<  0;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint64 u64_bgra_cast(const detail::tvec4<T>& c)
+	{
+		uint64 result = 0;
+		result += static_cast<uint64>(c.x * detail::tvec4<T>::value_type(65535)) << 32;
+		result += static_cast<uint64>(c.y * detail::tvec4<T>::value_type(65535)) << 16;
+		result += static_cast<uint64>(c.z * detail::tvec4<T>::value_type(65535)) <<  0;
+		result += static_cast<uint64>(c.w * detail::tvec4<T>::value_type(65535)) << 48;
+		return result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER uint64 u64_abgr_cast(const detail::tvec4<T>& c)
+	{
+		uint64 result = 0;
+		result += static_cast<uint64>(c.x * detail::tvec4<T>::value_type(65535)) << 48;
+		result += static_cast<uint64>(c.y * detail::tvec4<T>::value_type(65535)) << 32;
+		result += static_cast<uint64>(c.z * detail::tvec4<T>::value_type(65535)) << 16;
+		result += static_cast<uint64>(c.w * detail::tvec4<T>::value_type(65535)) <<  0;
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER f16 f16_channel_cast<uint32>(uint32 color)
+	{
+		return f16(static_cast<float>(color >>  0) / static_cast<float>(255));
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER f16vec3 f16_rgbx_cast<uint32>(uint32 color)
+	{
+		f16vec3 result;
+		result.x = f16(static_cast<float>((color >>  0) & 0xFF) / static_cast<float>(255));
+		result.y = f16(static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255));
+		result.z = f16(static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER f16vec3 f16_xrgb_cast<uint32>(uint32 color)
+	{
+		f16vec3 result;
+		result.x = f16(static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255));
+		result.y = f16(static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255));
+		result.z = f16(static_cast<float>((color >> 24) & 0xFF) / static_cast<float>(255));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER f16vec3 f16_bgrx_cast<uint32>(uint32 color)
+	{
+		f16vec3 result;
+		result.x = f16(static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255));
+		result.y = f16(static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255));
+		result.z = f16(static_cast<float>((color >>  0) & 0xFF) / static_cast<float>(255));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER f16vec3 f16_xbgr_cast<uint32>(uint32 color)
+	{
+		f16vec3 result;
+		result.x = f16(static_cast<float>((color >> 24) & 0xFF) / static_cast<float>(255));
+		result.y = f16(static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255));
+		result.z = f16(static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER f16vec4 f16_rgba_cast<uint32>(uint32 color)
+	{
+		f16vec4 result;
+		result.x = f16(static_cast<float>((color >>  0) & 0xFF) / static_cast<float>(255));
+		result.y = f16(static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255));
+		result.z = f16(static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255));
+		result.w = f16(static_cast<float>((color >> 24) & 0xFF) / static_cast<float>(255));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER f16vec4 f16_argb_cast<uint32>(uint32 color)
+	{
+		f16vec4 result;
+		result.x = f16(static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255));
+		result.y = f16(static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255));
+		result.z = f16(static_cast<float>((color >> 24) & 0xFF) / static_cast<float>(255));
+		result.w = f16(static_cast<float>((color >>  0) & 0xFF) / static_cast<float>(255));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER f16vec4 f16_bgra_cast<uint32>(uint32 color)
+	{
+		f16vec4 result;
+		result.x = f16(static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255));
+		result.y = f16(static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255));
+		result.z = f16(static_cast<float>((color >>  0) & 0xFF) / static_cast<float>(255));
+		result.w = f16(static_cast<float>((color >> 24) & 0xFF) / static_cast<float>(255));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER f16vec4 f16_abgr_cast<uint32>(uint32 color)
+	{
+		f16vec4 result;
+		result.x = f16(static_cast<float>((color >> 24) & 0xFF) / static_cast<float>(255));
+		result.y = f16(static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255));
+		result.z = f16(static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255));
+		result.w = f16(static_cast<float>((color >>  0) & 0xFF) / static_cast<float>(255));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER float f32_channel_cast<uint8>(uint8 color)
+	{
+		return static_cast<float>(color >>  0) / static_cast<float>(255);
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<float> f32_rgbx_cast<uint32>(uint32 color)
+	{
+		detail::tvec3<float> result;
+		result.x = static_cast<float>((color >>  0) & 0xFF) / static_cast<float>(255);
+		result.y = static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255);
+		result.z = static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<float> f32_xrgb_cast<uint32>(uint32 color)
+	{
+		detail::tvec3<float> result;
+		result.x = static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255);
+		result.y = static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255);
+		result.z = static_cast<float>((color >> 24) & 0xFF) / static_cast<float>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<float> f32_bgrx_cast<uint32>(uint32 color)
+	{
+		detail::tvec3<float> result;
+		result.x = static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255);
+		result.y = static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255);
+		result.z = static_cast<float>((color >>  0) & 0xFF) / static_cast<float>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<float> f32_xbgr_cast<uint32>(uint32 color)
+	{
+		detail::tvec3<float> result;
+		result.x = static_cast<float>((color >> 24) & 0xFF) / static_cast<float>(255);
+		result.y = static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255);
+		result.z = static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<float> f32_rgba_cast<uint32>(uint32 color)
+	{
+		detail::tvec4<float> result;
+		result.x = static_cast<float>((color >>  0) & 0xFF) / static_cast<float>(255);
+		result.y = static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255);
+		result.z = static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255);
+		result.w = static_cast<float>((color >> 24) & 0xFF) / static_cast<float>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<float> f32_argb_cast<uint32>(uint32 color)
+	{
+		detail::tvec4<float> result;
+		result.x = static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255);
+		result.y = static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255);
+		result.z = static_cast<float>((color >> 24) & 0xFF) / static_cast<float>(255);
+		result.w = static_cast<float>((color >>  0) & 0xFF) / static_cast<float>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<float> f32_bgra_cast<uint32>(uint32 color)
+	{
+		detail::tvec4<float> result;
+		result.x = static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255);
+		result.y = static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255);
+		result.z = static_cast<float>((color >>  0) & 0xFF) / static_cast<float>(255);
+		result.w = static_cast<float>((color >> 24) & 0xFF) / static_cast<float>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<float> f32_abgr_cast<uint32>(uint32 color)
+	{
+		detail::tvec4<float> result;
+		result.x = static_cast<float>((color >> 24) & 0xFF) / static_cast<float>(255);
+		result.y = static_cast<float>((color >> 16) & 0xFF) / static_cast<float>(255);
+		result.z = static_cast<float>((color >>  8) & 0xFF) / static_cast<float>(255);
+		result.w = static_cast<float>((color >>  0) & 0xFF) / static_cast<float>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER double f64_channel_cast<uint8>(uint8 color)
+	{
+		return static_cast<double>(color >>  0) / static_cast<double>(255);
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<double> f64_rgbx_cast<uint32>(uint32 color)
+	{
+		detail::tvec3<double> result;
+		result.x = static_cast<double>((color >>  0) & 0xFF) / static_cast<double>(255);
+		result.y = static_cast<double>((color >>  8) & 0xFF) / static_cast<double>(255);
+		result.z = static_cast<double>((color >> 16) & 0xFF) / static_cast<double>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<double> f64_xrgb_cast<uint32>(uint32 color)
+	{
+		detail::tvec3<double> result;
+		result.x = static_cast<double>((color >>  8) & 0xFF) / static_cast<double>(255);
+		result.y = static_cast<double>((color >> 16) & 0xFF) / static_cast<double>(255);
+		result.z = static_cast<double>((color >> 24) & 0xFF) / static_cast<double>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<double> f64_bgrx_cast<uint32>(uint32 color)
+	{
+		detail::tvec3<double> result;
+		result.x = static_cast<double>((color >> 16) & 0xFF) / static_cast<double>(255);
+		result.y = static_cast<double>((color >>  8) & 0xFF) / static_cast<double>(255);
+		result.z = static_cast<double>((color >>  0) & 0xFF) / static_cast<double>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<double> f64_xbgr_cast<uint32>(uint32 color)
+	{
+		detail::tvec3<double> result;
+		result.x = static_cast<double>((color >> 24) & 0xFF) / static_cast<double>(255);
+		result.y = static_cast<double>((color >> 16) & 0xFF) / static_cast<double>(255);
+		result.z = static_cast<double>((color >>  8) & 0xFF) / static_cast<double>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<double> f64_rgba_cast<uint32>(uint32 color)
+	{
+		detail::tvec4<double> result;
+		result.x = static_cast<double>((color >>  0) & 0xFF) / static_cast<double>(255);
+		result.y = static_cast<double>((color >>  8) & 0xFF) / static_cast<double>(255);
+		result.z = static_cast<double>((color >> 16) & 0xFF) / static_cast<double>(255);
+		result.w = static_cast<double>((color >> 24) & 0xFF) / static_cast<double>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<double> f64_argb_cast<uint32>(uint32 color)
+	{
+		detail::tvec4<double> result;
+		result.x = static_cast<double>((color >>  8) & 0xFF) / static_cast<double>(255);
+		result.y = static_cast<double>((color >> 16) & 0xFF) / static_cast<double>(255);
+		result.z = static_cast<double>((color >> 24) & 0xFF) / static_cast<double>(255);
+		result.w = static_cast<double>((color >>  0) & 0xFF) / static_cast<double>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<double> f64_bgra_cast<uint32>(uint32 color)
+	{
+		detail::tvec4<double> result;
+		result.x = static_cast<double>((color >> 16) & 0xFF) / static_cast<double>(255);
+		result.y = static_cast<double>((color >>  8) & 0xFF) / static_cast<double>(255);
+		result.z = static_cast<double>((color >>  0) & 0xFF) / static_cast<double>(255);
+		result.w = static_cast<double>((color >> 24) & 0xFF) / static_cast<double>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<double> f64_abgr_cast<uint32>(uint32 color)
+	{
+		detail::tvec4<double> result;
+		result.x = static_cast<double>((color >> 24) & 0xFF) / static_cast<double>(255);
+		result.y = static_cast<double>((color >> 16) & 0xFF) / static_cast<double>(255);
+		result.z = static_cast<double>((color >>  8) & 0xFF) / static_cast<double>(255);
+		result.w = static_cast<double>((color >>  0) & 0xFF) / static_cast<double>(255);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::half f16_channel_cast<uint16>(uint16 color)
+	{
+		return detail::half(static_cast<float>(color >>  0) / static_cast<float>(65535));
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<detail::half> f16_rgbx_cast<uint64>(uint64 color)
+	{
+		detail::tvec3<detail::half> result;
+		result.x = detail::half(static_cast<float>((color >>  0) & 0xFFFF) / static_cast<float>(65535));
+		result.y = detail::half(static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535));
+		result.z = detail::half(static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<detail::half> f16_xrgb_cast<uint64>(uint64 color)
+	{
+		detail::tvec3<detail::half> result;
+		result.x = detail::half(static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535));
+		result.y = detail::half(static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535));
+		result.z = detail::half(static_cast<float>((color >> 48) & 0xFFFF) / static_cast<float>(65535));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<detail::half> f16_bgrx_cast<uint64>(uint64 color)
+	{
+		detail::tvec3<detail::half> result;
+		result.x = detail::half(static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535));
+		result.y = detail::half(static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535));
+		result.z = detail::half(static_cast<float>((color >>  0) & 0xFFFF) / static_cast<float>(65535));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<detail::half> f16_xbgr_cast<uint64>(uint64 color)
+	{
+		detail::tvec3<detail::half> result;
+		result.x = detail::half(static_cast<float>((color >> 48) & 0xFFFF) / static_cast<float>(65535));
+		result.y = detail::half(static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535));
+		result.z = detail::half(static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<detail::half> f16_rgba_cast<uint64>(uint64 color)
+	{
+		detail::tvec4<detail::half> result;
+		result.x = detail::half(static_cast<float>((color >>  0) & 0xFFFF) / static_cast<float>(65535));
+		result.y = detail::half(static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535));
+		result.z = detail::half(static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535));
+		result.w = detail::half(static_cast<float>((color >> 48) & 0xFFFF) / static_cast<float>(65535));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<detail::half> f16_argb_cast<uint64>(uint64 color)
+	{
+		detail::tvec4<detail::half> result;
+		result.x = detail::half(static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535));
+		result.y = detail::half(static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535));
+		result.z = detail::half(static_cast<float>((color >> 48) & 0xFFFF) / static_cast<float>(65535));
+		result.w = detail::half(static_cast<float>((color >>  0) & 0xFFFF) / static_cast<float>(65535));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<detail::half> f16_bgra_cast<uint64>(uint64 color)
+	{
+		detail::tvec4<detail::half> result;
+		result.x = detail::half(static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535));
+		result.y = detail::half(static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535));
+		result.z = detail::half(static_cast<float>((color >>  0) & 0xFFFF) / static_cast<float>(65535));
+		result.w = detail::half(static_cast<float>((color >> 48) & 0xFFFF) / static_cast<float>(65535));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<detail::half> f16_abgr_cast<uint64>(uint64 color)
+	{
+		detail::tvec4<detail::half> result;
+		result.x = detail::half(static_cast<float>((color >> 48) & 0xFFFF) / static_cast<float>(65535));
+		result.y = detail::half(static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535));
+		result.z = detail::half(static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535));
+		result.w = detail::half(static_cast<float>((color >>  0) & 0xFFFF) / static_cast<float>(65535));
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER float f32_channel_cast<uint16>(uint16 color)
+	{
+		return static_cast<float>(color >>  0) / static_cast<float>(65535);
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<float> f32_rgbx_cast<uint64>(uint64 color)
+	{
+		detail::tvec3<float> result;
+		result.x = static_cast<float>((color >>  0) & 0xFFFF) / static_cast<float>(65535);
+		result.y = static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535);
+		result.z = static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<float> f32_xrgb_cast<uint64>(uint64 color)
+	{
+		detail::tvec3<float> result;
+		result.x = static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535);
+		result.y = static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535);
+		result.z = static_cast<float>((color >> 48) & 0xFFFF) / static_cast<float>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<float> f32_bgrx_cast<uint64>(uint64 color)
+	{
+		detail::tvec3<float> result;
+		result.x = static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535);
+		result.y = static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535);
+		result.z = static_cast<float>((color >>  0) & 0xFFFF) / static_cast<float>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<float> f32_xbgr_cast<uint64>(uint64 color)
+	{
+		detail::tvec3<float> result;
+		result.x = static_cast<float>((color >> 48) & 0xFFFF) / static_cast<float>(65535);
+		result.y = static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535);
+		result.z = static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<float> f32_rgba_cast<uint64>(uint64 color)
+	{
+		detail::tvec4<float> result;
+		result.x = static_cast<float>((color >>  0) & 0xFFFF) / static_cast<float>(65535);
+		result.y = static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535);
+		result.z = static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535);
+		result.w = static_cast<float>((color >> 48) & 0xFFFF) / static_cast<float>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<float> f32_argb_cast<uint64>(uint64 color)
+	{
+		detail::tvec4<float> result;
+		result.x = static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535);
+		result.y = static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535);
+		result.z = static_cast<float>((color >> 48) & 0xFFFF) / static_cast<float>(65535);
+		result.w = static_cast<float>((color >>  0) & 0xFFFF) / static_cast<float>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<float> f32_bgra_cast<uint64>(uint64 color)
+	{
+		detail::tvec4<float> result;
+		result.x = static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535);
+		result.y = static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535);
+		result.z = static_cast<float>((color >>  0) & 0xFFFF) / static_cast<float>(65535);
+		result.w = static_cast<float>((color >> 48) & 0xFFFF) / static_cast<float>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<float> f32_abgr_cast<uint64>(uint64 color)
+	{
+		detail::tvec4<float> result;
+		result.x = static_cast<float>((color >> 48) & 0xFFFF) / static_cast<float>(65535);
+		result.y = static_cast<float>((color >> 32) & 0xFFFF) / static_cast<float>(65535);
+		result.z = static_cast<float>((color >> 16) & 0xFFFF) / static_cast<float>(65535);
+		result.w = static_cast<float>((color >>  0) & 0xFFFF) / static_cast<float>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER double f64_channel_cast<uint16>(uint16 color)
+	{
+		return static_cast<double>(color >>  0) / static_cast<double>(65535);
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<double> f64_rgbx_cast<uint64>(uint64 color)
+	{
+		detail::tvec3<double> result;
+		result.x = static_cast<double>((color >>  0) & 0xFFFF) / static_cast<double>(65535);
+		result.y = static_cast<double>((color >> 16) & 0xFFFF) / static_cast<double>(65535);
+		result.z = static_cast<double>((color >> 32) & 0xFFFF) / static_cast<double>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<double> f64_xrgb_cast<uint64>(uint64 color)
+	{
+		detail::tvec3<double> result;
+		result.x = static_cast<double>((color >> 16) & 0xFFFF) / static_cast<double>(65535);
+		result.y = static_cast<double>((color >> 32) & 0xFFFF) / static_cast<double>(65535);
+		result.z = static_cast<double>((color >> 48) & 0xFFFF) / static_cast<double>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<double> f64_bgrx_cast<uint64>(uint64 color)
+	{
+		detail::tvec3<double> result;
+		result.x = static_cast<double>((color >> 32) & 0xFFFF) / static_cast<double>(65535);
+		result.y = static_cast<double>((color >> 16) & 0xFFFF) / static_cast<double>(65535);
+		result.z = static_cast<double>((color >>  0) & 0xFFFF) / static_cast<double>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec3<double> f64_xbgr_cast<uint64>(uint64 color)
+	{
+		detail::tvec3<double> result;
+		result.x = static_cast<double>((color >> 48) & 0xFFFF) / static_cast<double>(65535);
+		result.y = static_cast<double>((color >> 32) & 0xFFFF) / static_cast<double>(65535);
+		result.z = static_cast<double>((color >> 16) & 0xFFFF) / static_cast<double>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<double> f64_rgba_cast<uint64>(uint64 color)
+	{
+		detail::tvec4<double> result;
+		result.x = static_cast<double>((color >>  0) & 0xFFFF) / static_cast<double>(65535);
+		result.y = static_cast<double>((color >> 16) & 0xFFFF) / static_cast<double>(65535);
+		result.z = static_cast<double>((color >> 32) & 0xFFFF) / static_cast<double>(65535);
+		result.w = static_cast<double>((color >> 48) & 0xFFFF) / static_cast<double>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<double> f64_argb_cast<uint64>(uint64 color)
+	{
+		detail::tvec4<double> result;
+		result.x = static_cast<double>((color >> 16) & 0xFFFF) / static_cast<double>(65535);
+		result.y = static_cast<double>((color >> 32) & 0xFFFF) / static_cast<double>(65535);
+		result.z = static_cast<double>((color >> 48) & 0xFFFF) / static_cast<double>(65535);
+		result.w = static_cast<double>((color >>  0) & 0xFFFF) / static_cast<double>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<double> f64_bgra_cast<uint64>(uint64 color)
+	{
+		detail::tvec4<double> result;
+		result.x = static_cast<double>((color >> 32) & 0xFFFF) / static_cast<double>(65535);
+		result.y = static_cast<double>((color >> 16) & 0xFFFF) / static_cast<double>(65535);
+		result.z = static_cast<double>((color >>  0) & 0xFFFF) / static_cast<double>(65535);
+		result.w = static_cast<double>((color >> 48) & 0xFFFF) / static_cast<double>(65535);
+		return result;
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER detail::tvec4<double> f64_abgr_cast<uint64>(uint64 color)
+	{
+		detail::tvec4<double> result;
+		result.x = static_cast<double>((color >> 48) & 0xFFFF) / static_cast<double>(65535);
+		result.y = static_cast<double>((color >> 32) & 0xFFFF) / static_cast<double>(65535);
+		result.z = static_cast<double>((color >> 16) & 0xFFFF) / static_cast<double>(65535);
+		result.w = static_cast<double>((color >>  0) & 0xFFFF) / static_cast<double>(65535);
+		return result;
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/color_space.hpp b/include/gal/opengl/glm/gtx/color_space.hpp
new file mode 100644
index 0000000..f144378
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/color_space.hpp
@@ -0,0 +1,96 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_color_space
+/// @file glm/gtx/color_space.hpp
+/// @date 2005-12-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_color_space GLM_GTX_color_space
+/// @ingroup gtx
+/// 
+/// @brief Related to RGB to HSV conversions and operations.
+/// 
+/// <glm/gtx/color_space.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_color_space
+#define GLM_GTX_color_space GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_color_space extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_color_space
+	/// @{
+
+	/// Converts a color from HSV color space to its color in RGB color space.
+	/// @see gtx_color_space
+    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.
+	/// @see gtx_color_space
+    template <typename valType> 
+	detail::tvec3<valType> hsvColor(
+		detail::tvec3<valType> const & rgbValue);
+		
+	/// Build a saturation matrix.
+	/// @see gtx_color_space
+    template <typename valType> 
+	detail::tmat4x4<valType> saturation(
+		valType const s);
+
+    /// Modify the saturation of a color.
+	/// @see gtx_color_space
+	template <typename valType> 
+	detail::tvec3<valType> saturation(
+		valType const s, 
+		detail::tvec3<valType> const & color);
+		
+	/// Modify the saturation of a color.
+	/// @see gtx_color_space
+    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.
+	/// @see gtx_color_space
+	template <typename valType> 
+	valType luminosity(
+		detail::tvec3<valType> const & color);
+
+	/// @}
+}//namespace glm
+
+#include "color_space.inl"
+
+#endif//GLM_GTX_color_space
diff --git a/include/gal/opengl/glm/gtx/color_space.inl b/include/gal/opengl/glm/gtx/color_space.inl
new file mode 100644
index 0000000..15cdc35
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/color_space.inl
@@ -0,0 +1,149 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 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.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> rgbColor(const detail::tvec3<T>& hsvColor)
+	{
+		detail::tvec3<T> hsv = hsvColor;
+		detail::tvec3<T> rgbColor;
+
+		if(hsv.y == T(0))
+			// achromatic (grey)
+			rgbColor = detail::tvec3<T>(hsv.z);
+		else
+		{
+			T sector = floor(hsv.x / T(60));
+			T frac = (hsv.x / T(60)) - sector;
+			// factorial part of h
+			T o = hsv.z * (T(1) - hsv.y);
+			T p = hsv.z * (T(1) - hsv.y * frac);
+			T q = hsv.z * (T(1) - hsv.y * (T(1) - frac));
+
+			switch(int(sector))
+			{
+			default:
+			case 0:
+				rgbColor.r = hsv.z;
+				rgbColor.g = q;
+				rgbColor.b = o;
+				break;
+			case 1:
+				rgbColor.r = p;
+				rgbColor.g = hsv.z;
+				rgbColor.b = o;
+				break;
+			case 2:
+				rgbColor.r = o;
+				rgbColor.g = hsv.z;
+				rgbColor.b = q;
+				break;
+			case 3:
+				rgbColor.r = o;
+				rgbColor.g = p;
+				rgbColor.b = hsv.z;
+				break;
+			case 4:
+				rgbColor.r = q; 
+				rgbColor.g = o; 
+				rgbColor.b = hsv.z;
+				break;
+			case 5:
+				rgbColor.r = hsv.z; 
+				rgbColor.g = o; 
+				rgbColor.b = p;
+				break;
+			}
+		}
+
+		return rgbColor;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> hsvColor(const detail::tvec3<T>& rgbColor)
+	{
+		detail::tvec3<T> hsv = rgbColor;
+		float Min   = min(min(rgbColor.r, rgbColor.g), rgbColor.b);
+		float Max   = max(max(rgbColor.r, rgbColor.g), rgbColor.b);
+		float Delta = Max - Min;
+
+		hsv.z = Max;                               
+    	
+		if(Max != T(0))
+		{
+			hsv.y = Delta / hsv.z;    
+			T h = T(0);
+
+			if(rgbColor.r == Max)
+				// between yellow & magenta
+				h = T(0) + T(60) * (rgbColor.g - rgbColor.b) / Delta;
+			else if(rgbColor.g == Max)
+				// between cyan & yellow
+				h = T(120) + T(60) * (rgbColor.b - rgbColor.r) / Delta;
+			else
+				// between magenta & cyan
+				h = T(240) + T(60) * (rgbColor.r - rgbColor.g) / Delta;
+            
+			if(h < T(0)) 
+				hsv.x = h + T(360);
+			else
+				hsv.x = h;
+		}
+		else
+		{
+			// If r = g = b = 0 then s = 0, h is undefined
+			hsv.y = T(0);
+			hsv.x = T(0);
+		}
+
+		return hsv;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> saturation(const T s)
+	{
+		detail::tvec3<T> rgbw = detail::tvec3<T>(T(0.2126), T(0.7152), T(0.0722));
+
+		T col0 = (T(1) - s) * rgbw.r;
+		T col1 = (T(1) - s) * rgbw.g;
+		T col2 = (T(1) - s) * rgbw.b;
+
+		detail::tmat4x4<T> result(T(1));
+		result[0][0] = col0 + s;
+		result[0][1] = col0;
+		result[0][2] = col0;
+		result[1][0] = col1;
+		result[1][1] = col1 + s;
+		result[1][2] = col1;
+		result[2][0] = col2;
+		result[2][1] = col2;
+		result[2][2] = col2 + s;
+		return result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> saturation(const T s, const detail::tvec3<T>& color)
+	{
+		return detail::tvec3<T>(saturation(s) * detail::tvec4<T>(color, T(0)));
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec4<T> saturation(const T s, const detail::tvec4<T>& color)
+	{
+		return saturation(s) * color;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T luminosity(const detail::tvec3<T>& color)
+	{
+		const detail::tvec3<T> tmp = detail::tvec3<T>(0.33, 0.59, 0.11);
+		return dot(color, tmp);
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/color_space_YCoCg.hpp b/include/gal/opengl/glm/gtx/color_space_YCoCg.hpp
new file mode 100644
index 0000000..8ca4b10
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/color_space_YCoCg.hpp
@@ -0,0 +1,84 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_color_space_YCoCg
+/// @file glm/gtx/color_space_YCoCg.hpp
+/// @date 2008-10-28 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_color_space_YCoCg GLM_GTX_color_space_YCoCg
+/// @ingroup gtx
+///
+/// @brief RGB to YCoCg conversions and operations
+/// 
+/// <glm/gtx/color_space_YCoCg.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef glm_gtx_color_space_YCoCg
+#define glm_gtx_color_space_YCoCg GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_color_space_YCoCg extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_color_space_YCoCg
+	/// @{
+
+    /// Convert a color from RGB color space to YCoCg color space.
+	/// @see gtx_color_space_YCoCg
+	template <typename valType> 
+	detail::tvec3<valType> rgb2YCoCg(
+		detail::tvec3<valType> const & rgbColor);
+
+    /// Convert a color from YCoCg color space to RGB color space.
+	/// @see gtx_color_space_YCoCg
+    template <typename valType> 
+	detail::tvec3<valType> YCoCg2rgb(
+		detail::tvec3<valType> const & YCoCgColor);
+
+    /// Convert a color from RGB color space to YCoCgR color space.
+	/// @see "YCoCg-R: A Color Space with RGB Reversibility and Low Dynamic Range"
+	/// @see gtx_color_space_YCoCg
+	template <typename valType> 
+	detail::tvec3<valType> rgb2YCoCgR(
+		detail::tvec3<valType> const & rgbColor);
+
+    /// Convert a color from YCoCgR color space to RGB color space.
+	/// @see "YCoCg-R: A Color Space with RGB Reversibility and Low Dynamic Range"
+	/// @see gtx_color_space_YCoCg
+    template <typename valType> 
+	detail::tvec3<valType> YCoCgR2rgb(
+		detail::tvec3<valType> const & YCoCgColor);
+
+	/// @}
+}//namespace glm
+
+#include "color_space_YCoCg.inl"
+
+#endif//glm_gtx_color_space_YCoCg
diff --git a/include/gal/opengl/glm/gtx/color_space_YCoCg.inl b/include/gal/opengl/glm/gtx/color_space_YCoCg.inl
new file mode 100644
index 0000000..08d8440
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/color_space_YCoCg.inl
@@ -0,0 +1,64 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2008-10-28
+// Updated : 2008-10-28
+// Licence : This source is under MIT License
+// File    : glm/gtx/color_space_YCoCg.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tvec3<valType> rgb2YCoCg
+	(
+		detail::tvec3<valType> const & rgbColor
+	)
+	{
+		detail::tvec3<valType> result;
+		result.x/*Y */ =   rgbColor.r / valType(4) + rgbColor.g / valType(2) + rgbColor.b / valType(4);
+		result.y/*Co*/ =   rgbColor.r / valType(2) + rgbColor.g * valType(0) - rgbColor.b / valType(2);
+		result.z/*Cg*/ = - rgbColor.r / valType(4) + rgbColor.g / valType(2) - rgbColor.b / valType(4);
+		return result;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tvec3<valType> rgb2YCoCgR
+	(
+		detail::tvec3<valType> const & rgbColor
+	)
+	{
+		detail::tvec3<valType> result;
+		result.x/*Y */ = rgbColor.g / valType(2) + (rgbColor.r + rgbColor.b) / valType(4);
+		result.y/*Co*/ = rgbColor.r - rgbColor.b;
+		result.z/*Cg*/ = rgbColor.g - (rgbColor.r + rgbColor.b) / valType(2);
+		return result;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tvec3<valType> YCoCg2rgb
+	(
+		detail::tvec3<valType> const & YCoCgColor
+	)
+	{
+		detail::tvec3<valType> result;
+		result.r = YCoCgColor.x + YCoCgColor.y - YCoCgColor.z;
+		result.g = YCoCgColor.x                + YCoCgColor.z;
+		result.b = YCoCgColor.x - YCoCgColor.y - YCoCgColor.z;
+		return result;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tvec3<valType> YCoCgR2rgb
+	(
+		detail::tvec3<valType> const & YCoCgRColor
+	)
+	{
+		detail::tvec3<valType> result;
+		valType tmp = YCoCgRColor.x - (YCoCgRColor.z / valType(2));
+		result.g = YCoCgRColor.z + tmp;
+		result.b = tmp - (YCoCgRColor.y / valType(2));
+		result.r = result.b + YCoCgRColor.y;
+		return result;
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/compatibility.hpp b/include/gal/opengl/glm/gtx/compatibility.hpp
new file mode 100644
index 0000000..c394a43
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/compatibility.hpp
@@ -0,0 +1,176 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_compatibility
+/// @file glm/gtx/compatibility.hpp
+/// @date 2007-01-24 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtc_half_float (dependence)
+///
+/// @defgroup gtx_compatibility GLM_GTX_compatibility
+/// @ingroup gtx
+/// 
+/// @brief Provide functions to increase the compatibility with Cg and HLSL languages
+/// 
+/// <glm/gtx/compatibility.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_compatibility
+#define GLM_GTX_compatibility GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"  
+#include "../gtc/half_float.hpp"
+#include "../gtc/quaternion.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_compatibility extension included")
+#endif
+
+#if(GLM_COMPILER & GLM_COMPILER_VC)
+#	include <cfloat>
+#elif(GLM_COMPILER & GLM_COMPILER_GCC)
+#	include <cmath>
+#	if(GLM_PLATFORM & GLM_PLATFORM_ANDROID)
+#		undef isfinite
+#	endif
+#endif//GLM_COMPILER
+
+namespace glm
+{
+	/// @addtogroup gtx_compatibility
+	/// @{
+
+	template <typename T> GLM_FUNC_QUALIFIER T lerp(T x, T y, T a){return mix(x, y, a);}																					//!< \brief Returns x * (1.0 - a) + y * a, i.e., the linear blend of x and y using the floating-point value a. The value for a is not restricted to the range [0, 1]. (From GLM_GTX_compatibility)
+	template <typename T> GLM_FUNC_QUALIFIER detail::tvec2<T> lerp(const detail::tvec2<T>& x, const detail::tvec2<T>& y, T a){return mix(x, y, a);}							//!< \brief Returns x * (1.0 - a) + y * a, i.e., the linear blend of x and y using the floating-point value a. The value for a is not restricted to the range [0, 1]. (From GLM_GTX_compatibility)
+	template <typename T> GLM_FUNC_QUALIFIER detail::tvec3<T> lerp(const detail::tvec3<T>& x, const detail::tvec3<T>& y, T a){return mix(x, y, a);}							//!< \brief Returns x * (1.0 - a) + y * a, i.e., the linear blend of x and y using the floating-point value a. The value for a is not restricted to the range [0, 1]. (From GLM_GTX_compatibility)
+	template <typename T> GLM_FUNC_QUALIFIER detail::tvec4<T> lerp(const detail::tvec4<T>& x, const detail::tvec4<T>& y, T a){return mix(x, y, a);}							//!< \brief Returns x * (1.0 - a) + y * a, i.e., the linear blend of x and y using the floating-point value a. The value for a is not restricted to the range [0, 1]. (From GLM_GTX_compatibility)
+	template <typename T> GLM_FUNC_QUALIFIER detail::tvec2<T> lerp(const detail::tvec2<T>& x, const detail::tvec2<T>& y, const detail::tvec2<T>& a){return mix(x, y, a);}	//!< \brief Returns the component-wise result of x * (1.0 - a) + y * a, i.e., the linear blend of x and y using vector a. The value for a is not restricted to the range [0, 1]. (From GLM_GTX_compatibility)
+	template <typename T> GLM_FUNC_QUALIFIER detail::tvec3<T> lerp(const detail::tvec3<T>& x, const detail::tvec3<T>& y, const detail::tvec3<T>& a){return mix(x, y, a);}	//!< \brief Returns the component-wise result of x * (1.0 - a) + y * a, i.e., the linear blend of x and y using vector a. The value for a is not restricted to the range [0, 1]. (From GLM_GTX_compatibility)
+	template <typename T> GLM_FUNC_QUALIFIER detail::tvec4<T> lerp(const detail::tvec4<T>& x, const detail::tvec4<T>& y, const detail::tvec4<T>& a){return mix(x, y, a);}	//!< \brief Returns the component-wise result of x * (1.0 - a) + y * a, i.e., the linear blend of x and y using vector a. The value for a is not restricted to the range [0, 1]. (From GLM_GTX_compatibility)
+
+	template <typename T> GLM_FUNC_QUALIFIER T slerp(detail::tquat<T> const & x, detail::tquat<T> const & y, T const & a){return mix(x, y, a);} //!< \brief Returns the slurp interpolation between two quaternions.
+
+	template <typename T> GLM_FUNC_QUALIFIER T saturate(T x){return clamp(x, T(0), T(1));}														//!< \brief Returns clamp(x, 0, 1) for each component in x. (From GLM_GTX_compatibility)
+	template <typename T> GLM_FUNC_QUALIFIER detail::tvec2<T> saturate(const detail::tvec2<T>& x){return clamp(x, T(0), T(1));}					//!< \brief Returns clamp(x, 0, 1) for each component in x. (From GLM_GTX_compatibility)
+	template <typename T> GLM_FUNC_QUALIFIER detail::tvec3<T> saturate(const detail::tvec3<T>& x){return clamp(x, T(0), T(1));}					//!< \brief Returns clamp(x, 0, 1) for each component in x. (From GLM_GTX_compatibility)
+	template <typename T> GLM_FUNC_QUALIFIER detail::tvec4<T> saturate(const detail::tvec4<T>& x){return clamp(x, T(0), T(1));}					//!< \brief Returns clamp(x, 0, 1) for each component in x. (From GLM_GTX_compatibility)
+
+	template <typename T> GLM_FUNC_QUALIFIER T atan2(T x, T y){return atan(x, y);}																//!< \brief Arc tangent. Returns an angle whose tangent is y/x. The signs of x and y are used to determine what quadrant the angle is in. The range of values returned by this function is [-PI, PI]. Results are undefined if x and y are both 0. (From GLM_GTX_compatibility)
+	template <typename T> GLM_FUNC_QUALIFIER detail::tvec2<T> atan2(const detail::tvec2<T>& x, const detail::tvec2<T>& y){return atan(x, y);}	//!< \brief Arc tangent. Returns an angle whose tangent is y/x. The signs of x and y are used to determine what quadrant the angle is in. The range of values returned by this function is [-PI, PI]. Results are undefined if x and y are both 0. (From GLM_GTX_compatibility)
+	template <typename T> GLM_FUNC_QUALIFIER detail::tvec3<T> atan2(const detail::tvec3<T>& x, const detail::tvec3<T>& y){return atan(x, y);}	//!< \brief Arc tangent. Returns an angle whose tangent is y/x. The signs of x and y are used to determine what quadrant the angle is in. The range of values returned by this function is [-PI, PI]. Results are undefined if x and y are both 0. (From GLM_GTX_compatibility)
+	template <typename T> GLM_FUNC_QUALIFIER detail::tvec4<T> atan2(const detail::tvec4<T>& x, const detail::tvec4<T>& y){return atan(x, y);}	//!< \brief Arc tangent. Returns an angle whose tangent is y/x. The signs of x and y are used to determine what quadrant the angle is in. The range of values returned by this function is [-PI, PI]. Results are undefined if x and y are both 0. (From GLM_GTX_compatibility)
+
+	template <typename genType> bool isfinite(genType const & x);											//!< \brief Test whether or not a scalar or each vector component is a finite value. (From GLM_GTX_compatibility)
+	template <typename valType> detail::tvec2<bool> isfinite(const detail::tvec2<valType>& x);				//!< \brief Test whether or not a scalar or each vector component is a finite value. (From GLM_GTX_compatibility)
+	template <typename valType> detail::tvec3<bool> isfinite(const detail::tvec3<valType>& x);				//!< \brief Test whether or not a scalar or each vector component is a finite value. (From GLM_GTX_compatibility)
+	template <typename valType> detail::tvec4<bool> isfinite(const detail::tvec4<valType>& x);				//!< \brief Test whether or not a scalar or each vector component is a finite value. (From GLM_GTX_compatibility)
+
+	typedef bool						bool1;			//!< \brief boolean type with 1 component. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec2<bool>			bool2;			//!< \brief boolean type with 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec3<bool>			bool3;			//!< \brief boolean type with 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec4<bool>			bool4;			//!< \brief boolean type with 4 components. (From GLM_GTX_compatibility extension)
+
+	typedef bool						bool1x1;		//!< \brief boolean matrix with 1 x 1 component. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x2<bool>		bool2x2;		//!< \brief boolean matrix with 2 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x3<bool>		bool2x3;		//!< \brief boolean matrix with 2 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x4<bool>		bool2x4;		//!< \brief boolean matrix with 2 x 4 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x2<bool>		bool3x2;		//!< \brief boolean matrix with 3 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x3<bool>		bool3x3;		//!< \brief boolean matrix with 3 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x4<bool>		bool3x4;		//!< \brief boolean matrix with 3 x 4 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x2<bool>		bool4x2;		//!< \brief boolean matrix with 4 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x3<bool>		bool4x3;		//!< \brief boolean matrix with 4 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x4<bool>		bool4x4;		//!< \brief boolean matrix with 4 x 4 components. (From GLM_GTX_compatibility extension)
+
+	typedef int							int1;			//!< \brief integer vector with 1 component. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec2<int>			int2;			//!< \brief integer vector with 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec3<int>			int3;			//!< \brief integer vector with 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec4<int>			int4;			//!< \brief integer vector with 4 components. (From GLM_GTX_compatibility extension)
+
+	typedef int							int1x1;			//!< \brief integer matrix with 1 component. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x2<int>		int2x2;			//!< \brief integer matrix with 2 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x3<int>		int2x3;			//!< \brief integer matrix with 2 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x4<int>		int2x4;			//!< \brief integer matrix with 2 x 4 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x2<int>		int3x2;			//!< \brief integer matrix with 3 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x3<int>		int3x3;			//!< \brief integer matrix with 3 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x4<int>		int3x4;			//!< \brief integer matrix with 3 x 4 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x2<int>		int4x2;			//!< \brief integer matrix with 4 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x3<int>		int4x3;			//!< \brief integer matrix with 4 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x4<int>		int4x4;			//!< \brief integer matrix with 4 x 4 components. (From GLM_GTX_compatibility extension)
+
+	typedef detail::half					half1;			//!< \brief half-precision floating-point vector with 1 component. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec2<detail::half>	half2;			//!< \brief half-precision floating-point vector with 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec3<detail::half>	half3;			//!< \brief half-precision floating-point vector with 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec4<detail::half>	half4;			//!< \brief half-precision floating-point vector with 2 components. (From GLM_GTX_compatibility extension)
+
+	typedef detail::half					half1x1;		//!< \brief half-precision floating-point matrix with 1 component. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x2<detail::half>	half2x2;		//!< \brief half-precision floating-point matrix with 2 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x3<detail::half>	half2x3;		//!< \brief half-precision floating-point matrix with 2 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x4<detail::half>	half2x4;		//!< \brief half-precision floating-point matrix with 2 x 4 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x2<detail::half>	half3x2;		//!< \brief half-precision floating-point matrix with 3 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x3<detail::half>	half3x3;		//!< \brief half-precision floating-point matrix with 3 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x4<detail::half>	half3x4;		//!< \brief half-precision floating-point matrix with 3 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x2<detail::half>	half4x2;		//!< \brief half-precision floating-point matrix with 4 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x3<detail::half>	half4x3;		//!< \brief half-precision floating-point matrix with 4 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x4<detail::half>	half4x4;		//!< \brief half-precision floating-point matrix with 4 x 4 components. (From GLM_GTX_compatibility extension)
+
+	typedef float						float1;			//!< \brief single-precision floating-point vector with 1 component. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec2<float>		float2;			//!< \brief single-precision floating-point vector with 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec3<float>		float3;			//!< \brief single-precision floating-point vector with 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec4<float>		float4;			//!< \brief single-precision floating-point vector with 4 components. (From GLM_GTX_compatibility extension)
+
+	typedef float						float1x1;		//!< \brief single-precision floating-point matrix with 1 component. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x2<float>		float2x2;		//!< \brief single-precision floating-point matrix with 2 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x3<float>		float2x3;		//!< \brief single-precision floating-point matrix with 2 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x4<float>		float2x4;		//!< \brief single-precision floating-point matrix with 2 x 4 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x2<float>		float3x2;		//!< \brief single-precision floating-point matrix with 3 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x3<float>		float3x3;		//!< \brief single-precision floating-point matrix with 3 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x4<float>		float3x4;		//!< \brief single-precision floating-point matrix with 3 x 4 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x2<float>		float4x2;		//!< \brief single-precision floating-point matrix with 4 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x3<float>		float4x3;		//!< \brief single-precision floating-point matrix with 4 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x4<float>		float4x4;		//!< \brief single-precision floating-point matrix with 4 x 4 components. (From GLM_GTX_compatibility extension)
+
+	typedef double						double1;		//!< \brief double-precision floating-point vector with 1 component. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec2<double>		double2;		//!< \brief double-precision floating-point vector with 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec3<double>		double3;		//!< \brief double-precision floating-point vector with 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tvec4<double>		double4;		//!< \brief double-precision floating-point vector with 4 components. (From GLM_GTX_compatibility extension)
+
+	typedef double						double1x1;		//!< \brief double-precision floating-point matrix with 1 component. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x2<double>		double2x2;		//!< \brief double-precision floating-point matrix with 2 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x3<double>		double2x3;		//!< \brief double-precision floating-point matrix with 2 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat2x4<double>		double2x4;		//!< \brief double-precision floating-point matrix with 2 x 4 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x2<double>		double3x2;		//!< \brief double-precision floating-point matrix with 3 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x3<double>		double3x3;		//!< \brief double-precision floating-point matrix with 3 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat3x4<double>		double3x4;		//!< \brief double-precision floating-point matrix with 3 x 4 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x2<double>		double4x2;		//!< \brief double-precision floating-point matrix with 4 x 2 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x3<double>		double4x3;		//!< \brief double-precision floating-point matrix with 4 x 3 components. (From GLM_GTX_compatibility extension)
+	typedef detail::tmat4x4<double>		double4x4;		//!< \brief double-precision floating-point matrix with 4 x 4 components. (From GLM_GTX_compatibility extension)
+
+	/// @}
+}//namespace glm
+
+#include "compatibility.inl"
+
+#endif//GLM_GTX_compatibility
+
diff --git a/include/gal/opengl/glm/gtx/compatibility.inl b/include/gal/opengl/glm/gtx/compatibility.inl
new file mode 100644
index 0000000..073c694
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/compatibility.inl
@@ -0,0 +1,60 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-03-16
+// Updated : 2008-10-24
+// Licence : This source is under MIT License
+// File    : glm/gtx/compatibility.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	// isfinite
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER bool isfinite(
+		genType const & x)
+	{
+#		if(GLM_COMPILER & GLM_COMPILER_VC)
+			return _finite(x);
+#		elif(GLM_COMPILER & GLM_COMPILER_GCC)
+#			if(GLM_PLATFORM & GLM_PLATFORM_ANDROID)
+				return _isfinite(x) != 0;
+#			else
+				return std::isfinite(x) != 0;
+#			endif
+#		else
+			return std::isfinite(x) != 0;
+#		endif
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tvec2<bool> isfinite(
+		detail::tvec2<valType> const & x)
+	{
+		return detail::tvec2<bool>(
+			isfinite(x.x),
+			isfinite(x.y));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tvec3<bool> isfinite(
+		detail::tvec3<valType> const & x)
+	{
+		return detail::tvec3<bool>(
+			isfinite(x.x),
+			isfinite(x.y),
+			isfinite(x.z));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tvec4<bool> isfinite(
+		detail::tvec4<valType> const & x)
+	{
+		return detail::tvec4<bool>(
+			isfinite(x.x),
+			isfinite(x.y),
+			isfinite(x.z),
+			isfinite(x.w));
+	}
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/component_wise.hpp b/include/gal/opengl/glm/gtx/component_wise.hpp
new file mode 100644
index 0000000..d3274be
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/component_wise.hpp
@@ -0,0 +1,82 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_component_wise
+/// @file glm/gtx/component_wise.hpp
+/// @date 2007-05-21 / 2011-06-07
+/// @author Christophe Riccio
+/// 
+/// @see core (dependence)
+///
+/// @defgroup gtx_component_wise GLM_GTX_component_wise
+/// @ingroup gtx
+/// 
+/// @brief Operations between components of a type
+/// 
+/// <glm/gtx/component_wise.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_component_wise
+#define GLM_GTX_component_wise GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_component_wise extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_component_wise
+	/// @{
+
+	/// Add all vector components together. 
+	/// @see gtx_component_wise
+	template <typename genType> 
+	typename genType::value_type compAdd(
+		genType const & v);
+
+	/// Multiply all vector components together. 
+	/// @see gtx_component_wise
+	template <typename genType> 
+	typename genType::value_type compMul(
+		genType const & v);
+
+	/// Find the minimum value between single vector components.
+	/// @see gtx_component_wise
+	template <typename genType> 
+	typename genType::value_type compMin(
+		genType const & v);
+
+	/// Find the maximum value between single vector components.
+	/// @see gtx_component_wise
+	template <typename genType> 
+	typename genType::value_type compMax(
+		genType const & v);
+
+	/// @}
+}//namespace glm
+
+#include "component_wise.inl"
+
+#endif//GLM_GTX_component_wise
diff --git a/include/gal/opengl/glm/gtx/component_wise.inl b/include/gal/opengl/glm/gtx/component_wise.inl
new file mode 100644
index 0000000..8baea62
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/component_wise.inl
@@ -0,0 +1,47 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-05-21
+// Updated : 2010-02-12
+// Licence : This source is under MIT License
+// File    : gtx_component_wise.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename genType>
+	GLM_FUNC_QUALIFIER typename genType::value_type compAdd(genType const & v)
+	{
+		typename genType::value_type result = typename genType::value_type(0);
+		for(typename genType::size_type i = 0; i < v.length(); ++i)
+			result += v[i];
+		return result;
+	}
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER typename genType::value_type compMul(genType const & v)
+	{
+		typename genType::value_type result = typename genType::value_type(1);
+		for(typename genType::size_type i = 0; i < v.length(); ++i)
+			result *= v[i];
+		return result;
+	}
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER typename genType::value_type compMin(genType const & v)
+	{
+		typename genType::value_type result = typename genType::value_type(v[0]);
+		for(typename genType::size_type i = 1; i < v.length(); ++i)
+			result = min(result, v[i]);
+		return result;
+	}
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER typename genType::value_type compMax(genType const & v)
+	{
+		typename genType::value_type result = typename genType::value_type(v[0]);
+		for(typename genType::size_type i = 1; i < v.length(); ++i)
+			result = max(result, v[i]);
+		return result;
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/constants.hpp b/include/gal/opengl/glm/gtx/constants.hpp
new file mode 100644
index 0000000..78356ff
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/constants.hpp
@@ -0,0 +1,33 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_constants
+#define GLM_GTX_constants GLM_VERSION
+
+#include "../gtc/constants.hpp"
+
+#if(defined(GLM_MESSAGES))
+#	pragma message("GLM: GLM_GTX_constants extension is deprecated, include GLM_GTC_constants (glm/gtc/constants.hpp) instead")
+#endif
+
+#endif//GLM_GTX_constants
diff --git a/include/gal/opengl/glm/gtx/epsilon.hpp b/include/gal/opengl/glm/gtx/epsilon.hpp
new file mode 100644
index 0000000..9cb91cb
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/epsilon.hpp
@@ -0,0 +1,29 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///////////////////////////////////////////////////////////////////////////////////
+
+#if(defined(GLM_MESSAGES))
+#	pragma message("GLM: GLM_GTX_epsilon extension is deprecated, include GLM_GTC_epsilon (glm/gtc/epsilon) instead")
+#endif
+
+// Promoted:
+#include "../gtc/epsilon.hpp"
diff --git a/include/gal/opengl/glm/gtx/euler_angles.hpp b/include/gal/opengl/glm/gtx/euler_angles.hpp
new file mode 100644
index 0000000..ab04042
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/euler_angles.hpp
@@ -0,0 +1,156 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_euler_angles
+/// @file glm/gtx/euler_angles.hpp
+/// @date 2005-12-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtc_half_float (dependence)
+///
+/// @defgroup gtx_euler_angles GLM_GTX_euler_angles
+/// @ingroup gtx
+/// 
+/// @brief Build matrices from Euler angles.
+/// 
+/// <glm/gtx/euler_angles.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_euler_angles
+#define GLM_GTX_euler_angles GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtc/half_float.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_euler_angles extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_euler_angles
+	/// @{
+
+	/// Creates a 3D 4 * 4 homogeneous rotation matrix from an euler angle X.
+	/// @see gtx_euler_angles
+	template <typename valType> 
+	detail::tmat4x4<valType> eulerAngleX(
+		valType const & angleX);
+
+	/// Creates a 3D 4 * 4 homogeneous rotation matrix from an euler angle Y.
+	/// @see gtx_euler_angles
+	template <typename valType> 
+	detail::tmat4x4<valType> eulerAngleY(
+		valType const & angleY);
+
+	/// Creates a 3D 4 * 4 homogeneous rotation matrix from an euler angle Z.
+	/// @see gtx_euler_angles
+	template <typename valType> 
+	detail::tmat4x4<valType> eulerAngleZ(
+		valType const & angleZ);
+
+	/// Creates a 3D 4 * 4 homogeneous rotation matrix from euler angles (X * Y).
+	/// @see gtx_euler_angles
+	template <typename valType> 
+	detail::tmat4x4<valType> eulerAngleXY(
+		valType const & angleX, 
+		valType const & angleY);
+
+	/// Creates a 3D 4 * 4 homogeneous rotation matrix from euler angles (Y * X).
+	/// @see gtx_euler_angles
+	template <typename valType> 
+	detail::tmat4x4<valType> eulerAngleYX(
+		valType const & angleY, 
+		valType const & angleX);
+
+	/// Creates a 3D 4 * 4 homogeneous rotation matrix from euler angles (X * Z).
+	/// @see gtx_euler_angles
+	template <typename valType> 
+	detail::tmat4x4<valType> eulerAngleXZ(
+		valType const & angleX, 
+		valType const & angleZ);
+
+	/// Creates a 3D 4 * 4 homogeneous rotation matrix from euler angles (Z * X).
+	/// @see gtx_euler_angles
+	template <typename valType> 
+	detail::tmat4x4<valType> eulerAngleZX(
+		valType const & angleZ, 
+		valType const & angleX);
+
+	/// Creates a 3D 4 * 4 homogeneous rotation matrix from euler angles (Y * Z).
+	/// @see gtx_euler_angles
+	template <typename valType> 
+	detail::tmat4x4<valType> eulerAngleYZ(
+		valType const & angleY, 
+		valType const & angleZ);
+
+	/// Creates a 3D 4 * 4 homogeneous rotation matrix from euler angles (Z * Y).
+	/// @see gtx_euler_angles
+	template <typename valType> 
+	detail::tmat4x4<valType> eulerAngleZY(
+		valType const & angleZ, 
+		valType const & angleY);
+
+	/// Creates a 3D 4 * 4 homogeneous rotation matrix from euler angles (Y * X * Z).
+	/// @see gtx_euler_angles
+	template <typename valType> 
+	detail::tmat4x4<valType> eulerAngleYXZ(
+		valType const & yaw, 
+		valType const & pitch, 
+		valType const & roll);
+
+	/// Creates a 3D 4 * 4 homogeneous rotation matrix from euler angles (Y * X * Z).
+	/// @see gtx_euler_angles
+	template <typename valType> 
+	detail::tmat4x4<valType> yawPitchRoll(
+		valType const & yaw, 
+		valType const & pitch, 
+		valType const & roll);
+
+	/// Creates a 2D 2 * 2 rotation matrix from an euler angle.
+	/// @see gtx_euler_angles
+	template <typename T> 
+	detail::tmat2x2<T> orientate2(T const & angle);
+
+	/// Creates a 2D 4 * 4 homogeneous rotation matrix from an euler angle.
+	/// @see gtx_euler_angles
+	template <typename T> 
+	detail::tmat3x3<T> orientate3(T const & angle);
+
+	/// Creates a 3D 3 * 3 rotation matrix from euler angles (Y * X * Z). 
+	/// @see gtx_euler_angles
+	template <typename T> 
+	detail::tmat3x3<T> orientate3(detail::tvec3<T> const & angles);
+		
+	/// Creates a 3D 4 * 4 homogeneous rotation matrix from euler angles (Y * X * Z).
+	/// @see gtx_euler_angles
+	template <typename T> 
+	detail::tmat4x4<T> orientate4(detail::tvec3<T> const & angles);
+
+	/// @}
+}//namespace glm
+
+#include "euler_angles.inl"
+
+#endif//GLM_GTX_euler_angles
diff --git a/include/gal/opengl/glm/gtx/euler_angles.inl b/include/gal/opengl/glm/gtx/euler_angles.inl
new file mode 100644
index 0000000..a6ca0ab
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/euler_angles.inl
@@ -0,0 +1,244 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2007-08-14
+// Licence : This source is under MIT License
+// File    : glm/gtx/euler_angles.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleX
+	(
+		valType const & angleX
+	)
+	{
+		valType cosX = glm::cos(angleX);
+		valType sinX = glm::sin(angleX);
+	
+		return detail::tmat4x4<valType>(
+			valType(1), valType(0), valType(0), valType(0),
+			valType(0), cosX,		sinX,		valType(0),
+			valType(0),-sinX,		cosX,		valType(0),
+			valType(0), valType(0), valType(0), valType(1));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleY
+	(
+		valType const & angleY
+	)
+	{
+		valType cosY = glm::cos(angleY);
+		valType sinY = glm::sin(angleY);
+
+		return detail::tmat4x4<valType>(
+			cosY,		valType(0),-sinY,		valType(0),
+			valType(0),	valType(1),	valType(0), valType(0),
+			sinY,		valType(0),	cosY,		valType(0),
+			valType(0),	valType(0),	valType(0), valType(1));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleZ
+	(
+		valType const & angleZ
+	)
+	{
+		valType cosZ = glm::cos(angleZ); 
+		valType sinZ = glm::sin(angleZ);
+
+		return detail::tmat4x4<valType>(
+			cosZ,		sinZ,		valType(0), valType(0),
+			-sinZ,		cosZ,		valType(0), valType(0),
+			valType(0),	valType(0),	valType(1), valType(0),
+			valType(0),	valType(0),	valType(0), valType(1));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleXY
+	(
+		valType const & angleX, 
+		valType const & angleY
+	)
+	{
+		valType cosX = glm::cos(angleX);
+		valType sinX = glm::sin(angleX);
+		valType cosY = glm::cos(angleY);
+		valType sinY = glm::sin(angleY);
+
+		return detail::tmat4x4<valType>(
+			cosY,		-sinX * sinY,	cosX * sinY,	valType(0),
+			valType(0), cosX,			sinX,			valType(0),
+			-sinY ,		-sinX * cosY,	cosX * cosY,	valType(0),
+			valType(0), valType(0),     valType(0),		valType(1));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleYX
+	(
+		valType const & angleY, 
+		valType const & angleX
+	)
+	{
+		valType cosX = glm::cos(angleX); 
+		valType sinX = glm::sin(angleX); 
+		valType cosY = glm::cos(angleY); 
+		valType sinY = glm::sin(angleY);
+
+		return detail::tmat4x4<valType>(
+			cosY,			valType(0),		sinY,			valType(0),
+			-sinX * sinY,	cosX,			sinX * cosY,	valType(0),
+			-cosX * sinY,	-sinX,			cosX * cosY,	valType(0),
+			valType(0),		valType(0),		valType(0),		valType(1));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleXZ
+	(
+		valType const & angleX, 
+		valType const & angleZ
+	)
+	{
+		return eulerAngleX(angleX) * eulerAngleZ(angleZ);
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleZX
+	(
+		valType const & angleZ, 
+		valType const & angleX
+	)
+	{
+		return eulerAngleZ(angleZ) * eulerAngleX(angleX);
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleYXZ
+	(
+		valType const & yaw, 
+		valType const & pitch, 
+		valType const & roll
+	)
+	{
+		valType tmp_ch = glm::cos(yaw);
+		valType tmp_sh = glm::sin(yaw);
+		valType tmp_cp = glm::cos(pitch);
+		valType tmp_sp = glm::sin(pitch);
+		valType tmp_cb = glm::cos(roll);
+		valType tmp_sb = glm::sin(roll);
+
+		detail::tmat4x4<valType> Result;
+		Result[0][0] = tmp_ch * tmp_cb + tmp_sh * tmp_sp * tmp_sb;
+		Result[0][1] = tmp_sb * tmp_cp;
+		Result[0][2] = -tmp_sh * tmp_cb + tmp_ch * tmp_sp * tmp_sb;
+		Result[0][3] = valType(0);
+		Result[1][0] = -tmp_ch * tmp_sb + tmp_sh * tmp_sp * tmp_cb;
+		Result[1][1] = tmp_cb * tmp_cp;
+		Result[1][2] = tmp_sb * tmp_sh + tmp_ch * tmp_sp * tmp_cb;
+		Result[1][3] = valType(0);
+		Result[2][0] = tmp_sh * tmp_cp;
+		Result[2][1] = -tmp_sp;
+		Result[2][2] = tmp_ch * tmp_cp;
+		Result[2][3] = valType(0);
+		Result[3][0] = valType(0);
+		Result[3][1] = valType(0);
+		Result[3][2] = valType(0);
+		Result[3][3] = valType(1);
+		return Result;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> yawPitchRoll
+	(
+		valType const & yaw, 
+		valType const & pitch, 
+		valType const & roll
+	)
+	{
+		valType tmp_ch = glm::cos(yaw);
+		valType tmp_sh = glm::sin(yaw);
+		valType tmp_cp = glm::cos(pitch);
+		valType tmp_sp = glm::sin(pitch);
+		valType tmp_cb = glm::cos(roll);
+		valType tmp_sb = glm::sin(roll);
+
+		detail::tmat4x4<valType> Result;
+		Result[0][0] = tmp_ch * tmp_cb + tmp_sh * tmp_sp * tmp_sb;
+		Result[0][1] = tmp_sb * tmp_cp;
+		Result[0][2] = -tmp_sh * tmp_cb + tmp_ch * tmp_sp * tmp_sb;
+		Result[0][3] = valType(0);
+		Result[1][0] = -tmp_ch * tmp_sb + tmp_sh * tmp_sp * tmp_cb;
+		Result[1][1] = tmp_cb * tmp_cp;
+		Result[1][2] = tmp_sb * tmp_sh + tmp_ch * tmp_sp * tmp_cb;
+		Result[1][3] = valType(0);
+		Result[2][0] = tmp_sh * tmp_cp;
+		Result[2][1] = -tmp_sp;
+		Result[2][2] = tmp_ch * tmp_cp;
+		Result[2][3] = valType(0);
+		Result[3][0] = valType(0);
+		Result[3][1] = valType(0);
+		Result[3][2] = valType(0);
+		Result[3][3] = valType(1);
+		return Result;
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tmat2x2<valType> orientate2
+	(
+		valType const & angle
+	)
+	{
+		valType c = glm::cos(angle);
+		valType s = glm::sin(angle);
+
+		detail::tmat2x2<valType> Result;
+		Result[0][0] = c;
+		Result[0][1] = s;
+		Result[1][0] = -s;
+		Result[1][1] = c;
+		return Result;
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tmat3x3<valType> orientate3
+	(
+		valType const & angle
+	)
+	{
+		valType c = glm::cos(angle);
+		valType s = glm::sin(angle);
+
+		detail::tmat3x3<valType> Result;
+		Result[0][0] = c;
+		Result[0][1] = s;
+		Result[0][2] = 0.0f;
+		Result[1][0] = -s;
+		Result[1][1] = c;
+		Result[1][2] = 0.0f;
+		Result[2][0] = 0.0f;
+		Result[2][1] = 0.0f;
+		Result[2][2] = 1.0f;
+		return Result;
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tmat3x3<valType> orientate3
+	(
+		detail::tvec3<valType> const & angles
+	)
+	{
+		return detail::tmat3x3<valType>(yawPitchRoll(angles.x, angles.y, angles.z));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> orientate4
+	(
+		detail::tvec3<valType> const & angles
+	)
+	{
+		return yawPitchRoll(angles.z, angles.x, angles.y);
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/extend.hpp b/include/gal/opengl/glm/gtx/extend.hpp
new file mode 100644
index 0000000..d23beba
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/extend.hpp
@@ -0,0 +1,66 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_extend
+/// @file glm/gtx/extend.hpp
+/// @date 2006-01-07 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_extend GLM_GTX_extend
+/// @ingroup gtx
+/// 
+/// @brief Extend a position from a source to a position at a defined length.
+/// 
+/// <glm/gtx/extend.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_extend
+#define GLM_GTX_extend GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_extend extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_extend
+	/// @{
+
+	/// Extends of Length the Origin position using the (Source - Origin) direction.
+	/// @see gtx_extend
+	template <typename genType> 
+	genType extend(
+		genType const & Origin, 
+		genType const & Source, 
+		typename genType::value_type const Length);
+
+	/// @}
+}//namespace glm
+
+#include "extend.inl"
+
+#endif//GLM_GTX_extend
diff --git a/include/gal/opengl/glm/gtx/extend.inl b/include/gal/opengl/glm/gtx/extend.inl
new file mode 100644
index 0000000..9827401
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/extend.inl
@@ -0,0 +1,55 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2006-01-07
+// Updated : 2008-10-05
+// Licence : This source is under MIT License
+// File    : glm/gtx/extend.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename genType>
+	genType extend
+	(
+		genType const & Origin, 
+		genType const & Source, 
+		genType const & Distance
+	)
+	{
+		return Origin + (Source - Origin) * Distance;
+	}
+
+	template <typename valType>
+	detail::tvec2<valType> extend
+	(
+		detail::tvec2<valType> const & Origin, 
+		detail::tvec2<valType> const & Source, 
+		valType const & Distance
+	)
+	{
+		return Origin + (Source - Origin) * Distance;
+	}
+
+	template <typename valType>
+	detail::tvec3<valType> extend
+	(
+		detail::tvec3<valType> const & Origin, 
+		detail::tvec3<valType> const & Source, 
+		valType const & Distance
+	)
+	{
+		return Origin + (Source - Origin) * Distance;
+	}
+
+	template <typename valType>
+	detail::tvec4<valType> extend
+	(
+		detail::tvec4<valType> const & Origin, 
+		detail::tvec4<valType> const & Source, 
+		valType const & Distance
+	)
+	{
+		return Origin + (Source - Origin) * Distance;
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/extented_min_max.hpp b/include/gal/opengl/glm/gtx/extented_min_max.hpp
new file mode 100644
index 0000000..c623409
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/extented_min_max.hpp
@@ -0,0 +1,194 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_extented_min_max
+/// @file glm/gtx/extented_min_max.hpp
+/// @date 2007-03-14 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_half_float (dependence)
+///
+/// @defgroup gtx_extented_min_max GLM_GTX_extented_min_max
+/// @ingroup gtx
+/// 
+/// Min and max functions for 3 to 4 parameters.
+/// 
+/// <glm/gtx/extented_min_max.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_extented_min_max
+#define GLM_GTX_extented_min_max GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtc/half_float.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_extented_min_max extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_extented_min_max
+	/// @{
+
+	/// Return the minimum component-wise values of 3 inputs 
+	/// @see gtx_extented_min_max
+	template <typename T>
+	T min(
+		T const & x, 
+		T const & y, 
+		T const & z);
+
+	/// Return the minimum component-wise values of 3 inputs
+	/// @see gtx_extented_min_max
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	C<T> min(
+		C<T> const & x, 
+		typename C<T>::value_type const & y, 
+		typename C<T>::value_type const & z);
+
+	/// Return the minimum component-wise values of 3 inputs 
+	/// @see gtx_extented_min_max
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	C<T> min(
+		C<T> const & x, 
+		C<T> const & y, 
+		C<T> const & z);
+
+	/// Return the minimum component-wise values of 4 inputs 
+	/// @see gtx_extented_min_max
+	template <typename T>
+	T min(
+		T const & x, 
+		T const & y, 
+		T const & z, 
+		T const & w);
+
+	/// Return the minimum component-wise values of 4 inputs 
+	/// @see gtx_extented_min_max
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	C<T> min(
+		C<T> const & x, 
+		typename C<T>::value_type const & y, 
+		typename C<T>::value_type const & z, 
+		typename C<T>::value_type const & w);
+
+	/// Return the minimum component-wise values of 4 inputs
+	/// @see gtx_extented_min_max
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	C<T> min(
+		C<T> const & x, 
+		C<T> const & y, 
+		C<T> const & z,
+		C<T> const & w);
+
+	/// Return the maximum component-wise values of 3 inputs 
+	/// @see gtx_extented_min_max
+	template <typename T>
+	T max(
+		T const & x, 
+		T const & y, 
+		T const & z);
+
+	/// Return the maximum component-wise values of 3 inputs
+	/// @see gtx_extented_min_max
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	C<T> max(
+		C<T> const & x, 
+		typename C<T>::value_type const & y, 
+		typename C<T>::value_type const & z);
+
+	/// Return the maximum component-wise values of 3 inputs 
+	/// @see gtx_extented_min_max
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	C<T> max(
+		C<T> const & x, 
+		C<T> const & y, 
+		C<T> const & z);
+
+	/// Return the maximum component-wise values of 4 inputs
+	/// @see gtx_extented_min_max
+	template <typename T>
+	T max(
+		T const & x, 
+		T const & y, 
+		T const & z, 
+		T const & w);
+
+	/// Return the maximum component-wise values of 4 inputs 
+	/// @see gtx_extented_min_max
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	C<T> max(
+		C<T> const & x, 
+		typename C<T>::value_type const & y, 
+		typename C<T>::value_type const & z, 
+		typename C<T>::value_type const & w);
+
+	/// Return the maximum component-wise values of 4 inputs 
+	/// @see gtx_extented_min_max
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	C<T> max(
+		C<T> const & x, 
+		C<T> const & y, 
+		C<T> const & z, 
+		C<T> const & w);
+
+	/// @}
+}//namespace glm
+
+#include "extented_min_max.inl"
+
+#endif//GLM_GTX_extented_min_max
diff --git a/include/gal/opengl/glm/gtx/extented_min_max.inl b/include/gal/opengl/glm/gtx/extented_min_max.inl
new file mode 100644
index 0000000..d0a74ef
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/extented_min_max.inl
@@ -0,0 +1,178 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-03-14
+// Updated : 2010-02-19
+// Licence : This source is under MIT License
+// File    : gtx_extented_min_max.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T>
+	GLM_FUNC_QUALIFIER T min(
+		T const & x, 
+		T const & y, 
+		T const & z)
+	{
+		return glm::min(glm::min(x, y), z);
+	}
+
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	GLM_FUNC_QUALIFIER C<T> min
+	(
+		C<T> const & x, 
+		typename C<T>::value_type const & y, 
+		typename C<T>::value_type const & z
+	)
+	{
+		return glm::min(glm::min(x, y), z);
+	}
+
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	GLM_FUNC_QUALIFIER C<T> min
+	(
+		C<T> const & x, 
+		C<T> const & y, 
+		C<T> const & z
+	)
+	{
+		return glm::min(glm::min(x, y), z);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T min
+	(
+		T const & x, 
+		T const & y, 
+		T const & z, 
+		T const & w
+	)
+	{
+		return glm::min(glm::min(x, y), glm::min(z, w));
+	}
+
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	GLM_FUNC_QUALIFIER C<T> min
+	(
+		C<T> const & x, 
+		typename C<T>::value_type const & y, 
+		typename C<T>::value_type const & z, 
+		typename C<T>::value_type const & w
+	)
+	{
+		return glm::min(glm::min(x, y), glm::min(z, w));
+	}
+
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	GLM_FUNC_QUALIFIER C<T> min
+	(
+		C<T> const & x, 
+		C<T> const & y, 
+		C<T> const & z, 
+		C<T> const & w
+	)
+	{
+		return glm::min(glm::min(x, y), glm::min(z, w));
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T max(
+		T const & x, 
+		T const & y, 
+		T const & z)
+	{
+		return glm::max(glm::max(x, y), z);
+	}
+
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	GLM_FUNC_QUALIFIER C<T> max
+	(
+		C<T> const & x, 
+		typename C<T>::value_type const & y, 
+		typename C<T>::value_type const & z
+	)
+	{
+		return glm::max(glm::max(x, y), z);
+	}
+
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	GLM_FUNC_QUALIFIER C<T> max
+	(
+		C<T> const & x, 
+		C<T> const & y, 
+		C<T> const & z
+	)
+	{
+		return glm::max(glm::max(x, y), z);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T max
+	(
+		T const & x, 
+		T const & y, 
+		T const & z, 
+		T const & w
+	)
+	{
+		return glm::max(glm::max(x, y), glm::max(z, w));
+	}
+
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	GLM_FUNC_QUALIFIER C<T> max
+	(
+		C<T> const & x, 
+		typename C<T>::value_type const & y, 
+		typename C<T>::value_type const & z, 
+		typename C<T>::value_type const & w
+	)
+	{
+		return glm::max(glm::max(x, y), glm::max(z, w));
+	}
+
+	template 
+	<
+		typename T, 
+		template <typename> class C
+	>
+	GLM_FUNC_QUALIFIER C<T> max
+	(
+		C<T> const & x, 
+		C<T> const & y, 
+		C<T> const & z, 
+		C<T> const & w
+	)
+	{
+		return glm::max(glm::max(x, y), glm::max(z, w));
+	}
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/fast_exponential.hpp b/include/gal/opengl/glm/gtx/fast_exponential.hpp
new file mode 100644
index 0000000..ff50eec
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/fast_exponential.hpp
@@ -0,0 +1,99 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_fast_exponential
+/// @file glm/gtx/fast_exponential.hpp
+/// @date 2006-01-09 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_half_float (dependence)
+///
+/// @defgroup gtx_fast_exponential GLM_GTX_fast_exponential
+/// @ingroup gtx
+/// 
+/// @brief Fast but less accurate implementations of exponential based functions.
+/// 
+/// <glm/gtx/fast_exponential.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_fast_exponential
+#define GLM_GTX_fast_exponential GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtc/half_float.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_fast_exponential extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_fast_exponential
+	/// @{
+
+	/// Faster than the common pow function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename genType> 
+	genType fastPow(
+		genType const & x, 
+		genType const & y);
+
+	/// Faster than the common pow function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename genTypeT, typename genTypeU> 
+	genTypeT fastPow(
+		genTypeT const & x, 
+		genTypeU const & y);
+		
+	/// Faster than the common exp function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T> 
+	T fastExp(const T& x);
+		
+	/// Faster than the common log function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T> 
+	T fastLog(const T& x);
+
+	/// Faster than the common exp2 function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T> 
+	T fastExp2(const T& x);
+		
+	/// Faster than the common log2 function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T> 
+	T fastLog2(const T& x);
+
+	/// Faster than the common ln function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T> 
+	T fastLn(const T& x);
+
+	/// @}
+}//namespace glm
+
+#include "fast_exponential.inl"
+
+#endif//GLM_GTX_fast_exponential
diff --git a/include/gal/opengl/glm/gtx/fast_exponential.inl b/include/gal/opengl/glm/gtx/fast_exponential.inl
new file mode 100644
index 0000000..80837ff
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/fast_exponential.inl
@@ -0,0 +1,148 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2006-01-09
+// Updated : 2006-01-09
+// Licence : This source is under MIT License
+// File    : glm/gtx/fast_exponential.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	// fastPow:
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType fastPow(genType const & x, genType const & y)
+	{
+		return exp(y * log(x));
+	}
+
+	VECTORIZE_VEC_VEC(fastPow)
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T fastPow(const T x, int y)
+	{
+		T f = T(1);
+		for(int i = 0; i < y; ++i)
+			f *= x;
+		return f;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec2<T> fastPow(
+		const detail::tvec2<T>& x, 
+		const detail::tvec2<int>& y)
+	{
+		return detail::tvec2<T>(
+			fastPow(x.x, y.x),
+			fastPow(x.y, y.y));
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec3<T> fastPow(
+		const detail::tvec3<T>& x, 
+		const detail::tvec3<int>& y)
+	{
+		return detail::tvec3<T>(
+			fastPow(x.x, y.x),
+			fastPow(x.y, y.y),
+			fastPow(x.z, y.z));
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec4<T> fastPow(
+		const detail::tvec4<T>& x, 
+		const detail::tvec4<int>& y)
+	{
+		return detail::tvec4<T>(
+			fastPow(x.x, y.x),
+			fastPow(x.y, y.y),
+			fastPow(x.z, y.z),
+			fastPow(x.w, y.w));
+	}
+
+	// fastExp
+	// Note: This function provides accurate results only for value between -1 and 1, else avoid it.
+	template <typename T>
+	GLM_FUNC_QUALIFIER T fastExp(const T x)
+	{
+		// This has a better looking and same performance in release mode than the following code. However, in debug mode it's slower.
+		// return 1.0f + x * (1.0f + x * 0.5f * (1.0f + x * 0.3333333333f * (1.0f + x * 0.25 * (1.0f + x * 0.2f))));
+		T x2 = x * x;
+		T x3 = x2 * x;
+		T x4 = x3 * x;
+		T x5 = x4 * x;
+		return T(1) + x + (x2 * T(0.5)) + (x3 * T(0.1666666667)) + (x4 * T(0.041666667)) + (x5 * T(0.008333333333));
+	}
+	/*  // Try to handle all values of float... but often shower than std::exp, glm::floor and the loop kill the performance
+	GLM_FUNC_QUALIFIER float fastExp(float x)
+	{
+		const float e = 2.718281828f;
+		const float IntegerPart = floor(x);
+		const float FloatPart = x - IntegerPart;
+		float z = 1.f;
+
+		for(int i = 0; i < int(IntegerPart); ++i)
+			z *= e;
+
+		const float x2 = FloatPart * FloatPart;
+		const float x3 = x2 * FloatPart;
+		const float x4 = x3 * FloatPart;
+		const float x5 = x4 * FloatPart;
+		return z * (1.0f + FloatPart + (x2 * 0.5f) + (x3 * 0.1666666667f) + (x4 * 0.041666667f) + (x5 * 0.008333333333f));
+	}
+
+	// Increase accuracy on number bigger that 1 and smaller than -1 but it's not enough for high and negative numbers
+	GLM_FUNC_QUALIFIER float fastExp(float x)
+	{
+		// This has a better looking and same performance in release mode than the following code. However, in debug mode it's slower.
+		// return 1.0f + x * (1.0f + x * 0.5f * (1.0f + x * 0.3333333333f * (1.0f + x * 0.25 * (1.0f + x * 0.2f))));
+		float x2 = x * x;
+		float x3 = x2 * x;
+		float x4 = x3 * x;
+		float x5 = x4 * x;
+		float x6 = x5 * x;
+		float x7 = x6 * x;
+		float x8 = x7 * x;
+		return 1.0f + x + (x2 * 0.5f) + (x3 * 0.1666666667f) + (x4 * 0.041666667f) + (x5 * 0.008333333333f)+ (x6 * 0.00138888888888f) + (x7 * 0.000198412698f) + (x8 * 0.0000248015873f);;
+	}
+	*/
+
+	VECTORIZE_VEC(fastExp)
+
+	// fastLog
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType fastLog(genType const & x)
+	{
+		return std::log(x);
+	}
+
+	/* Slower than the VC7.1 function...
+	GLM_FUNC_QUALIFIER float fastLog(float x)
+	{
+		float y1 = (x - 1.0f) / (x + 1.0f);
+		float y2 = y1 * y1;
+		return 2.0f * y1 * (1.0f + y2 * (0.3333333333f + y2 * (0.2f + y2 * 0.1428571429f)));
+	}
+	*/
+
+	VECTORIZE_VEC(fastLog)
+
+	//fastExp2, ln2 = 0.69314718055994530941723212145818f
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType fastExp2(genType const & x)
+	{
+		return fastExp(0.69314718055994530941723212145818f * x);
+	}
+
+	VECTORIZE_VEC(fastExp2)
+
+	// fastLog2, ln2 = 0.69314718055994530941723212145818f
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType fastLog2(genType const & x)
+	{
+		return fastLog(x) / 0.69314718055994530941723212145818f;
+	}
+
+	VECTORIZE_VEC(fastLog2)
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/fast_square_root.hpp b/include/gal/opengl/glm/gtx/fast_square_root.hpp
new file mode 100644
index 0000000..a49ae94
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/fast_square_root.hpp
@@ -0,0 +1,85 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_fast_square_root
+/// @file glm/gtx/fast_square_root.hpp
+/// @date 2006-01-04 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_fast_square_root GLM_GTX_fast_square_root
+/// @ingroup gtx
+/// 
+/// @brief Fast but less accurate implementations of square root based functions.
+/// - Sqrt optimisation based on Newton's method, 
+/// www.gamedev.net/community/forums/topic.asp?topic id=139956
+/// 
+/// <glm/gtx/fast_square_root.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_fast_square_root
+#define GLM_GTX_fast_square_root GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_fast_square_root extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_fast_square_root
+	/// @{
+
+	//! Faster than the common sqrt function but less accurate.
+	//! From GLM_GTX_fast_square_root extension.
+	template <typename genType> 
+	genType fastSqrt(genType const & x);
+
+	//! Faster than the common inversesqrt function but less accurate.
+	//! From GLM_GTX_fast_square_root extension.
+	template <typename genType> 
+	genType fastInverseSqrt(genType const & x);
+		
+	//! Faster than the common length function but less accurate.
+	//! From GLM_GTX_fast_square_root extension.
+	template <typename genType> 
+	typename genType::value_type fastLength(genType const & x);
+
+	//! Faster than the common distance function but less accurate.
+	//! From GLM_GTX_fast_square_root extension.
+	template <typename genType> 
+	typename genType::value_type fastDistance(genType const & x, genType const & y);
+
+	//! Faster than the common normalize function but less accurate.
+	//! From GLM_GTX_fast_square_root extension.
+	template <typename genType> 
+	genType fastNormalize(genType const & x);
+
+	/// @}
+}// namespace glm
+
+#include "fast_square_root.inl"
+
+#endif//GLM_GTX_fast_square_root
diff --git a/include/gal/opengl/glm/gtx/fast_square_root.inl b/include/gal/opengl/glm/gtx/fast_square_root.inl
new file mode 100644
index 0000000..0f51fbb
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/fast_square_root.inl
@@ -0,0 +1,136 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2006-01-04
+// Updated : 2011-10-14
+// Licence : This source is under MIT License
+// File    : glm/gtx/fast_square_root.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	// fastSqrt
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType fastSqrt
+	(
+		genType const & x
+	)
+	{
+		GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'fastSqrt' only accept floating-point input");
+
+		return genType(1) / fastInverseSqrt(x);
+	}
+
+	VECTORIZE_VEC(fastSqrt)
+
+	// fastInversesqrt
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType fastInverseSqrt
+	(
+		genType const & x
+	)
+	{
+		genType tmp = x;
+		float xhalf = 0.5f * float(tmp);
+		uint i = *(uint*)&x;
+		i = 0x5f375a86 - (i >> 1);
+		//x = *(float*)&i;
+		//x = *((float*)(char*)&i);
+		tmp = detail::uif(i).f;
+		tmp = tmp * (1.5f - xhalf * tmp * tmp);
+		return genType(tmp);
+	}
+
+	VECTORIZE_VEC(fastInverseSqrt)
+
+	// fastLength
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType fastLength
+	(
+		genType const & x
+	)
+	{
+		return abs(x);
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER valType fastLength
+	(
+		detail::tvec2<valType> const & x
+	)
+	{
+		valType sqr = x.x * x.x + x.y * x.y;
+		return fastSqrt(sqr);
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER valType fastLength
+	(
+		detail::tvec3<valType> const & x
+	)
+	{
+		valType sqr = x.x * x.x + x.y * x.y + x.z * x.z;
+		return fastSqrt(sqr);
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER valType fastLength
+	(
+		detail::tvec4<valType> const & x
+	)
+	{
+		valType sqr = x.x * x.x + x.y * x.y + x.z * x.z + x.w * x.w;
+		return fastSqrt(sqr);
+	}
+
+	// fastDistance
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType fastDistance
+	(
+		genType const & x, 
+		genType const & y
+	)
+	{
+		return fastLength(y - x);
+	}
+
+	// fastNormalize
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType fastNormalize
+	(
+		genType const & x
+	)
+	{
+		return x > genType(0) ? genType(1) : -genType(1);
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec2<valType> fastNormalize
+	(
+		detail::tvec2<valType> const & x
+	)
+	{
+		valType sqr = x.x * x.x + x.y * x.y;
+		return x * fastInverseSqrt(sqr);
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec3<valType> fastNormalize
+	(
+		detail::tvec3<valType> const & x
+	)
+	{
+		valType sqr = x.x * x.x + x.y * x.y + x.z * x.z;
+		return x * fastInverseSqrt(sqr);
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec4<valType> fastNormalize
+	(
+		detail::tvec4<valType> const & x
+	)
+	{
+		valType sqr = x.x * x.x + x.y * x.y + x.z * x.z + x.w * x.w;
+		return x * fastInverseSqrt(sqr);
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/fast_trigonometry.hpp b/include/gal/opengl/glm/gtx/fast_trigonometry.hpp
new file mode 100644
index 0000000..16f326d
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/fast_trigonometry.hpp
@@ -0,0 +1,100 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_fast_trigonometry
+/// @file glm/gtx/fast_trigonometry.hpp
+/// @date 2006-01-08 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_fast_trigonometry GLM_GTX_fast_trigonometry
+/// @ingroup gtx
+/// 
+/// @brief Fast but less accurate implementations of trigonometric functions.
+/// 
+/// <glm/gtx/fast_trigonometry.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_fast_trigonometry
+#define GLM_GTX_fast_trigonometry GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_fast_trigonometry extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_fast_trigonometry
+	/// @{
+
+	//! Faster than the common sin function but less accurate. 
+	//! Defined between -2pi and 2pi. 
+	//! From GLM_GTX_fast_trigonometry extension.
+    template <typename T> 
+	T fastSin(const T& angle);
+
+    //! Faster than the common cos function but less accurate.
+	//! Defined between -2pi and 2pi.
+	//! From GLM_GTX_fast_trigonometry extension.
+	template <typename T> 
+	T fastCos(const T& angle);
+
+    //! Faster than the common tan function but less accurate. 
+	//! Defined between -2pi and 2pi. 
+	//! From GLM_GTX_fast_trigonometry extension.
+	template <typename T> 
+	T fastTan(const T& angle);
+
+    //! Faster than the common asin function but less accurate. 
+	//! Defined between -2pi and 2pi.
+	//! From GLM_GTX_fast_trigonometry extension.
+	template <typename T> 
+	T fastAsin(const T& angle);
+
+	//! Faster than the common acos function but less accurate. 
+	//! Defined between -2pi and 2pi. 
+	//! From GLM_GTX_fast_trigonometry extension.
+    template <typename T> 
+	T fastAcos(const T& angle);
+
+	//! Faster than the common atan function but less accurate.
+	//! Defined between -2pi and 2pi. 
+	//! From GLM_GTX_fast_trigonometry extension.
+	template <typename T> 
+	T fastAtan(const T& y, const T& x);
+
+	//! Faster than the common atan function but less accurate. 
+	//! Defined between -2pi and 2pi.
+	//! From GLM_GTX_fast_trigonometry extension.
+    template <typename T> 
+	T fastAtan(const T& angle);
+
+	/// @}
+}//namespace glm
+
+#include "fast_trigonometry.inl"
+
+#endif//GLM_GTX_fast_trigonometry
diff --git a/include/gal/opengl/glm/gtx/fast_trigonometry.inl b/include/gal/opengl/glm/gtx/fast_trigonometry.inl
new file mode 100644
index 0000000..b2179a6
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/fast_trigonometry.inl
@@ -0,0 +1,75 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2006-01-08
+// Updated : 2011-10-14
+// Licence : This source is under MIT License
+// File    : glm/gtx/fast_trigonometry.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	// sin
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T fastSin(T const & x)
+	{
+		return x - ((x * x * x) / T(6)) + ((x * x * x * x * x) / T(120)) - ((x * x * x * x * x * x * x) / T(5040));
+	}
+
+	VECTORIZE_VEC(fastSin)
+
+	// cos
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T fastCos(T const & x)
+	{
+		return T(1) - (x * x * T(0.5)) + (x * x * x * x * T(0.041666666666)) - (x * x * x * x * x * x * T(0.00138888888888));
+	}
+
+	VECTORIZE_VEC(fastCos)
+
+	// tan
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T fastTan(T const & x)
+	{
+		return x + (x * x * x * T(0.3333333333)) + (x * x * x * x * x * T(0.1333333333333)) + (x * x * x * x * x * x * x * T(0.0539682539));
+	}
+
+	VECTORIZE_VEC(fastTan)
+
+	// asin
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T fastAsin(T const & x)
+	{
+		return x + (x * x * x * T(0.166666667)) + (x * x * x * x * x * T(0.075)) + (x * x * x * x * x * x * x * T(0.0446428571)) + (x * x * x * x * x * x * x * x * x * T(0.0303819444));// + (x * x * x * x * x * x * x * x * x * x * x * T(0.022372159));
+	}
+
+	VECTORIZE_VEC(fastAsin)
+
+	// acos
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T fastAcos(T const & x)
+	{
+		return T(1.5707963267948966192313216916398) - fastAsin(x); //(PI / 2)
+	}
+
+	VECTORIZE_VEC(fastAcos)
+
+	// atan
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T fastAtan(T const & y, T const & x)
+	{
+		T sgn = sign(y) * sign(x);
+		return abs(fastAtan(y / x)) * sgn;
+	}
+
+	VECTORIZE_VEC_VEC(fastAtan)
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T fastAtan(T const & x)
+	{
+		return x - (x * x * x * T(0.333333333333)) + (x * x * x * x * x * T(0.2)) - (x * x * x * x * x * x * x * T(0.1428571429)) + (x * x * x * x * x * x * x * x * x * T(0.111111111111)) - (x * x * x * x * x * x * x * x * x * x * x * T(0.0909090909));
+	}
+
+	VECTORIZE_VEC(fastAtan)
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/gradient_paint.hpp b/include/gal/opengl/glm/gtx/gradient_paint.hpp
new file mode 100644
index 0000000..f3bfde7
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/gradient_paint.hpp
@@ -0,0 +1,76 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_gradient_paint
+/// @file glm/gtx/gradient_paint.hpp
+/// @date 2009-03-06 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_optimum_pow (dependence)
+///
+/// @defgroup gtx_gradient_paint GLM_GTX_gradient_paint
+/// @ingroup gtx
+/// 
+/// @brief Functions that return the color of procedural gradient for specific coordinates.
+/// <glm/gtx/gradient_paint.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_gradient_paint
+#define GLM_GTX_gradient_paint GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/optimum_pow.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_gradient_paint extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_gradient_paint
+	/// @{
+
+	/// Return a color from a radial gradient.
+	/// @see - gtx_gradient_paint
+	template <typename valType>
+	valType radialGradient(
+		detail::tvec2<valType> const & Center,
+		valType const & Radius,
+		detail::tvec2<valType> const & Focal,
+		detail::tvec2<valType> const & Position);
+
+	/// Return a color from a linear gradient.
+	/// @see - gtx_gradient_paint
+	template <typename valType>
+	valType linearGradient(
+		detail::tvec2<valType> const & Point0,
+		detail::tvec2<valType> const & Point1,
+		detail::tvec2<valType> const & Position);
+
+	/// @}
+}// namespace glm
+
+#include "gradient_paint.inl"
+
+#endif//GLM_GTX_gradient_paint
diff --git a/include/gal/opengl/glm/gtx/gradient_paint.inl b/include/gal/opengl/glm/gtx/gradient_paint.inl
new file mode 100644
index 0000000..bdf5a65
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/gradient_paint.inl
@@ -0,0 +1,43 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2009-03-06
+// Updated : 2009-03-09
+// Licence : This source is under MIT License
+// File    : glm/gtx/gradient_paint.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename valType>
+	valType radialGradient
+	(
+		detail::tvec2<valType> const & Center,
+		valType const & Radius,
+		detail::tvec2<valType> const & Focal,
+		detail::tvec2<valType> const & Position
+	)
+	{
+		detail::tvec2<valType> F = Focal - Center;
+		detail::tvec2<valType> D = Position - Focal;
+		valType Radius2 = pow2(Radius);
+		valType Fx2 = pow2(F.x);
+		valType Fy2 = pow2(F.y);
+
+		valType Numerator = (D.x * F.x + D.y * F.y) + sqrt(Radius2 * (pow2(D.x) + pow2(D.y)) - pow2(D.x * F.y - D.y * F.x));
+		valType Denominator = Radius2 - (Fx2 + Fy2);
+		return Numerator / Denominator;
+	}
+
+	template <typename valType>
+	valType linearGradient
+	(
+		detail::tvec2<valType> const & Point0,
+		detail::tvec2<valType> const & Point1,
+		detail::tvec2<valType> const & Position
+	)
+	{
+		detail::tvec2<valType> Dist = Point1 - Point0;
+		return (Dist.x * (Position.x - Point0.x) + Dist.y * (Position.y - Point0.y)) / glm::dot(Dist, Dist);
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/handed_coordinate_space.hpp b/include/gal/opengl/glm/gtx/handed_coordinate_space.hpp
new file mode 100644
index 0000000..5ed0b0b
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/handed_coordinate_space.hpp
@@ -0,0 +1,74 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_handed_coordinate_space
+/// @file glm/gtx/handed_coordinate_space.hpp
+/// @date 2005-12-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_handed_coordinate_space GLM_GTX_handed_coordinate_space
+/// @ingroup gtx
+/// 
+/// @brief To know if a set of three basis vectors defines a right or left-handed coordinate system.
+/// 
+/// <glm/gtx/handed_coordinate_system.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_handed_coordinate_space
+#define GLM_GTX_handed_coordinate_space GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_handed_coordinate_space extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_handed_coordinate_space
+	/// @{
+
+	//! Return if a trihedron right handed or not.
+	//! From GLM_GTX_handed_coordinate_space extension.
+	template <typename T> 
+	bool rightHanded(
+		detail::tvec3<T> const & tangent, 
+		detail::tvec3<T> const & binormal, 
+		detail::tvec3<T> const & normal);
+
+	//! Return if a trihedron left handed or not.
+	//! From GLM_GTX_handed_coordinate_space extension.
+	template <typename T> 
+	bool leftHanded(
+		detail::tvec3<T> const & tangent, 
+		detail::tvec3<T> const & binormal, 
+		detail::tvec3<T> const & normal);
+
+	/// @}
+}// namespace glm
+
+#include "handed_coordinate_space.inl"
+
+#endif//GLM_GTX_handed_coordinate_space
diff --git a/include/gal/opengl/glm/gtx/handed_coordinate_space.inl b/include/gal/opengl/glm/gtx/handed_coordinate_space.inl
new file mode 100644
index 0000000..51a0553
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/handed_coordinate_space.inl
@@ -0,0 +1,33 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2009-02-19
+// Licence : This source is under MIT License
+// File    : glm/gtx/handed_coordinate_space.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T> 
+	GLM_FUNC_QUALIFIER bool rightHanded
+	(
+		detail::tvec3<T> const & tangent, 
+		detail::tvec3<T> const & binormal,
+		detail::tvec3<T> const & normal
+	)
+	{
+		return dot(cross(normal, tangent), binormal) > T(0);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER bool leftHanded
+	(
+		detail::tvec3<T> const & tangent, 
+		detail::tvec3<T> const & binormal, 
+		detail::tvec3<T> const & normal
+	)
+	{
+		return dot(cross(normal, tangent), binormal) < T(0);
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/inertia.hpp b/include/gal/opengl/glm/gtx/inertia.hpp
new file mode 100644
index 0000000..9133299
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/inertia.hpp
@@ -0,0 +1,115 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_inertia
+/// @file glm/gtx/inertia.hpp
+/// @date 2006-04-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_extented_min_max (dependence)
+///
+/// @defgroup gtx_inertia GLM_GTX_inertia
+/// @ingroup gtx
+/// 
+/// @brief Create inertia matrices
+/// 
+/// <glm/gtx/inertia.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_inertia
+#define GLM_GTX_inertia GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_inertia extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_inertia
+	/// @{
+
+	//! Build an inertia matrix for a box.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat3x3<T> boxInertia3(
+		T const & Mass, 
+		detail::tvec3<T> const & Scale);
+		
+	//! Build an inertia matrix for a box.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat4x4<T> boxInertia4(
+		T const & Mass, 
+		detail::tvec3<T> const & Scale);
+		
+	//! Build an inertia matrix for a disk.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat3x3<T> diskInertia3(
+		T const & Mass, 
+		T const & Radius);
+
+	//! Build an inertia matrix for a disk.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat4x4<T> diskInertia4(
+		T const & Mass, 
+		T const & Radius);
+
+	//! Build an inertia matrix for a ball.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat3x3<T> ballInertia3(
+		T const & Mass, 
+		T const & Radius);
+		
+	//! Build an inertia matrix for a ball.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat4x4<T> ballInertia4(
+		T const & Mass, 
+		T const & Radius);
+
+	//! Build an inertia matrix for a sphere.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat3x3<T> sphereInertia3(
+		T const & Mass, 
+		T const & Radius);
+
+	//! Build an inertia matrix for a sphere.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat4x4<T> sphereInertia4(
+		T const & Mass, 
+		T const & Radius);
+
+	/// @}
+}// namespace glm
+
+#include "inertia.inl"
+
+#endif//GLM_GTX_inertia
diff --git a/include/gal/opengl/glm/gtx/inertia.inl b/include/gal/opengl/glm/gtx/inertia.inl
new file mode 100644
index 0000000..a8f2ad7
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/inertia.inl
@@ -0,0 +1,114 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2006-04-21
+// Updated : 2006-12-06
+// Licence : This source is under MIT License
+// File    : glm/gtx/inertia.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> boxInertia3
+	(
+		T const & Mass, 
+		detail::tvec3<T> const & Scale
+	)
+	{
+		detail::tmat3x3<T> Result(T(1));
+		Result[0][0] = (Scale.y * Scale.y + Scale.z * Scale.z) * Mass / T(12);
+		Result[1][1] = (Scale.x * Scale.x + Scale.z * Scale.z) * Mass / T(12);
+		Result[2][2] = (Scale.x * Scale.x + Scale.y * Scale.y) * Mass / T(12);
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> boxInertia4
+	(
+		T const & Mass, 
+		detail::tvec3<T> const & Scale
+	)
+	{
+		detail::tmat4x4<T> Result(T(1));
+		Result[0][0] = (Scale.y * Scale.y + Scale.z * Scale.z) * Mass / T(12);
+		Result[1][1] = (Scale.x * Scale.x + Scale.z * Scale.z) * Mass / T(12);
+		Result[2][2] = (Scale.x * Scale.x + Scale.y * Scale.y) * Mass / T(12);
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> diskInertia3
+	(
+		T const & Mass, 
+		T const & Radius
+	)
+	{
+		T a = Mass * Radius * Radius / T(2);
+		detail::tmat3x3<T> Result(a);
+		Result[2][2] *= T(2);
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> diskInertia4
+	(
+		T const & Mass, 
+		T const & Radius
+	)
+	{
+		T a = Mass * Radius * Radius / T(2);
+		detail::tmat4x4<T> Result(a);
+		Result[2][2] *= T(2);
+		Result[3][3] = T(1);
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> ballInertia3
+	(
+		T const & Mass, 
+		T const & Radius
+	)
+	{
+		T a = T(2) * Mass * Radius * Radius / T(5);
+		return detail::tmat3x3<T>(a);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> ballInertia4
+	(
+		T const & Mass, 
+		T const & Radius
+	)
+	{
+		T a = T(2) * Mass * Radius * Radius / T(5);
+		detail::tmat4x4<T> Result(a);
+		Result[3][3] = T(1);
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> sphereInertia3
+	(
+		T const & Mass, 
+		T const & Radius
+	)
+	{
+		T a = T(2) * Mass * Radius * Radius / T(3);
+		return detail::tmat3x3<T>(a);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> sphereInertia4
+	(
+		T const & Mass, 
+		T const & Radius
+	)
+	{
+		T a = T(2) * Mass * Radius * Radius / T(3);
+		detail::tmat4x4<T> Result(a);
+		Result[3][3] = T(1);
+		return Result;
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/int_10_10_10_2.hpp b/include/gal/opengl/glm/gtx/int_10_10_10_2.hpp
new file mode 100644
index 0000000..1270481
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/int_10_10_10_2.hpp
@@ -0,0 +1,64 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_int_10_10_10_2
+/// @file glm/gtx/int_10_10_10_2.hpp
+/// @date 2010-07-07 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_raw_data (dependence)
+///
+/// @defgroup gtx_int_10_10_10_2 GLM_GTX_int_10_10_10_2
+/// @ingroup gtx
+/// 
+/// @brief Pack vector to 1010102 integers. Storage only.
+/// 
+/// <glm/gtx/int_10_10_10_2.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_int_10_10_10_2
+#define GLM_GTX_int_10_10_10_2 GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/raw_data.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_int_10_10_10_2 extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_int_10_10_10_2
+	/// @{
+
+	//! From GLM_GTX_int_10_10_10_2 extension.
+	//! Cast a vec4 to an u_10_10_10_2.
+	dword uint10_10_10_2_cast(glm::vec4 const & v);
+
+	/// @}
+}//namespace glm
+
+#include "int_10_10_10_2.inl"
+
+#endif//GLM_GTX_int_10_10_10_2
diff --git a/include/gal/opengl/glm/gtx/int_10_10_10_2.inl b/include/gal/opengl/glm/gtx/int_10_10_10_2.inl
new file mode 100644
index 0000000..c1ec201
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/int_10_10_10_2.inl
@@ -0,0 +1,19 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2010-07-07
+// Updated : 2010-07-07
+// Licence : This source is under MIT License
+// File    : glm/gtx/int_10_10_10_2.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	GLM_FUNC_QUALIFIER dword uint10_10_10_2_cast
+	(
+		glm::vec4 const & v
+	)
+	{
+		return dword(uint(v.x * 2047.f) << 0 | uint(v.y * 2047.f) << 10 | uint(v.z * 2047.f) << 20 | uint(v.w * 3.f) << 30);
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/integer.hpp b/include/gal/opengl/glm/gtx/integer.hpp
new file mode 100644
index 0000000..b3e21fd
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/integer.hpp
@@ -0,0 +1,104 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_integer
+/// @file glm/gtx/integer.hpp
+/// @date 2005-12-24 / 2011-10-13
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_integer GLM_GTX_integer
+/// @ingroup gtx
+/// 
+/// @brief Add support for integer for core functions
+/// 
+/// <glm/gtx/integer.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_integer
+#define GLM_GTX_integer GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_integer extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_integer
+	/// @{
+
+	//! Returns x raised to the y power. 
+	//! From GLM_GTX_integer extension.
+	int pow(int x, int y);
+
+	//! Returns the positive square root of x.
+	//! From GLM_GTX_integer extension.
+	int sqrt(int x);
+
+	//! Returns the log2 of x. Can be reliably using to compute mipmap count from the texture size.
+	//! From GLM_GTX_integer extension.
+	template <typename genIUType>
+	genIUType log2(genIUType const & x);
+
+	//! Returns the floor log2 of x.
+	//! From GLM_GTX_integer extension.
+	unsigned int floor_log2(unsigned int x);
+
+	//! Modulus. Returns x - y * floor(x / y) for each component in x using the floating point value y.
+	//! From GLM_GTX_integer extension.
+	int mod(int x, int y);
+
+	//! Return the factorial value of a number (!12 max, integer only)
+	//! From GLM_GTX_integer extension.
+	template <typename genType> 
+	genType factorial(genType const & x);
+
+	//! 32bit signed integer. 
+	//! From GLM_GTX_integer extension.
+	typedef signed int					sint;
+
+	//! Returns x raised to the y power.
+	//! From GLM_GTX_integer extension.
+	uint pow(uint x, uint y);
+
+	//! Returns the positive square root of x. 
+	//! From GLM_GTX_integer extension.
+	uint sqrt(uint x);
+
+	//! Modulus. Returns x - y * floor(x / y) for each component in x using the floating point value y.
+	//! From GLM_GTX_integer extension.
+	uint mod(uint x, uint y);
+
+	//! Returns the number of leading zeros.
+	//! From GLM_GTX_integer extension.
+	uint nlz(uint x);
+
+	/// @}
+}//namespace glm
+
+#include "integer.inl"
+
+#endif//GLM_GTX_integer
diff --git a/include/gal/opengl/glm/gtx/integer.inl b/include/gal/opengl/glm/gtx/integer.inl
new file mode 100644
index 0000000..2478616
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/integer.inl
@@ -0,0 +1,203 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-24
+// Updated : 2011-10-13
+// Licence : This source is under MIT License
+// File    : glm/gtx/integer.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	// pow
+	GLM_FUNC_QUALIFIER int pow(int x, int y)
+	{
+		if(y == 0)
+			return 1;
+		int result = x;
+		for(int i = 1; i < y; ++i)
+			result *= x;
+		return result;
+	}
+
+	// sqrt: From Christopher J. Musial, An integer square root, Graphics Gems, 1990, page 387
+	GLM_FUNC_QUALIFIER int sqrt(int x)
+	{
+		if(x <= 1) return x;
+
+		int NextTrial = x >> 1;
+		int CurrentAnswer;
+
+		do
+		{
+			CurrentAnswer = NextTrial;
+			NextTrial = (NextTrial + x / NextTrial) >> 1;
+		} while(NextTrial < CurrentAnswer);
+
+		return CurrentAnswer;
+	}
+
+// Henry Gordon Dietz: http://aggregate.org/MAGIC/
+namespace _detail
+{
+	GLM_FUNC_QUALIFIER unsigned int ones32(unsigned int x)
+	{
+		/* 32-bit recursive reduction using SWAR...
+		but first step is mapping 2-bit values
+		into sum of 2 1-bit values in sneaky way
+		*/
+		x -= ((x >> 1) & 0x55555555);
+		x = (((x >> 2) & 0x33333333) + (x & 0x33333333));
+		x = (((x >> 4) + x) & 0x0f0f0f0f);
+		x += (x >> 8);
+		x += (x >> 16);
+		return(x & 0x0000003f);
+	}
+
+	template <>
+	struct _compute_log2<detail::float_or_int_value::GLM_INT>
+	{
+		template <typename T>
+		GLM_FUNC_QUALIFIER T operator() (T const & Value) const
+		{
+#if(GLM_COMPILER & (GLM_COMPILER_VC | GLM_COMPILER_GCC))
+			return Value <= T(1) ? T(0) : T(32) - nlz(Value - T(1));
+#else
+			return T(32) - nlz(Value - T(1));
+#endif
+		}
+	};
+
+}//namespace _detail
+
+	// Henry Gordon Dietz: http://aggregate.org/MAGIC/
+/*
+	GLM_FUNC_QUALIFIER unsigned int floor_log2(unsigned int x)
+	{
+		x |= (x >> 1);
+		x |= (x >> 2);
+		x |= (x >> 4);
+		x |= (x >> 8);
+		x |= (x >> 16);
+
+		return _detail::ones32(x) >> 1;
+	}
+*/
+	// mod
+	GLM_FUNC_QUALIFIER int mod(int x, int y)
+	{
+		return x - y * (x / y);
+	}
+
+	// factorial (!12 max, integer only)
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType factorial(genType const & x)
+	{
+		genType Temp = x;
+		genType Result;
+		for(Result = 1; Temp > 1; --Temp)
+			Result *= Temp;
+		return Result;
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec2<valType> factorial(
+		detail::tvec2<valType> const & x)
+	{
+		return detail::tvec2<valType>(
+			factorial(x.x),
+			factorial(x.y));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec3<valType> factorial(
+		detail::tvec3<valType> const & x)
+	{
+		return detail::tvec3<valType>(
+			factorial(x.x),
+			factorial(x.y),
+			factorial(x.z));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tvec4<valType> factorial(
+		detail::tvec4<valType> const & x)
+	{
+		return detail::tvec4<valType>(
+			factorial(x.x),
+			factorial(x.y),
+			factorial(x.z),
+			factorial(x.w));
+	}
+
+	GLM_FUNC_QUALIFIER uint pow(uint x, uint y)
+	{
+		uint result = x;
+		for(uint i = 1; i < y; ++i)
+			result *= x;
+		return result;
+	}
+
+	GLM_FUNC_QUALIFIER uint sqrt(uint x)
+	{
+		if(x <= 1) return x;
+
+		uint NextTrial = x >> 1;
+		uint CurrentAnswer;
+
+		do
+		{
+			CurrentAnswer = NextTrial;
+			NextTrial = (NextTrial + x / NextTrial) >> 1;
+		} while(NextTrial < CurrentAnswer);
+
+		return CurrentAnswer;
+	}
+
+	GLM_FUNC_QUALIFIER uint mod(uint x, uint y)
+	{
+		return x - y * (x / y);
+	}
+
+#if(GLM_COMPILER & (GLM_COMPILER_VC | GLM_COMPILER_GCC))
+
+	GLM_FUNC_QUALIFIER unsigned int nlz(unsigned int x) 
+	{
+		return 31u - findMSB(x);
+	}
+
+#else
+
+	// Hackers Delight: http://www.hackersdelight.org/HDcode/nlz.c.txt
+	GLM_FUNC_QUALIFIER unsigned int nlz(unsigned int x) 
+	{
+	   int y, m, n;
+
+	   y = -int(x >> 16);      // If left half of x is 0,
+	   m = (y >> 16) & 16;  // set n = 16.  If left half
+	   n = 16 - m;          // is nonzero, set n = 0 and
+	   x = x >> m;          // shift x right 16.
+							// Now x is of the form 0000xxxx.
+	   y = x - 0x100;       // If positions 8-15 are 0,
+	   m = (y >> 16) & 8;   // add 8 to n and shift x left 8.
+	   n = n + m;
+	   x = x << m;
+
+	   y = x - 0x1000;      // If positions 12-15 are 0,
+	   m = (y >> 16) & 4;   // add 4 to n and shift x left 4.
+	   n = n + m;
+	   x = x << m;
+
+	   y = x - 0x4000;      // If positions 14-15 are 0,
+	   m = (y >> 16) & 2;   // add 2 to n and shift x left 2.
+	   n = n + m;
+	   x = x << m;
+
+	   y = x >> 14;         // Set y = 0, 1, 2, or 3.
+	   m = y & ~(y >> 1);   // Set m = 0, 1, 2, or 2 resp.
+	   return unsigned(n + 2 - m);
+	}
+
+#endif//(GLM_COMPILER)
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/intersect.hpp b/include/gal/opengl/glm/gtx/intersect.hpp
new file mode 100644
index 0000000..e3319ee
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/intersect.hpp
@@ -0,0 +1,102 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_intersect
+/// @file glm/gtx/intersect.hpp
+/// @date 2007-04-03 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_closest_point (dependence)
+///
+/// @defgroup gtx_intersect GLM_GTX_intersect
+/// @ingroup gtx
+/// 
+/// @brief Add intersection functions
+/// 
+/// <glm/gtx/intersect.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_intersect
+#define GLM_GTX_intersect GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/closest_point.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_closest_point extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_intersect
+	/// @{
+
+	//! Compute the intersection of a ray and a triangle.
+	//! From GLM_GTX_intersect extension.
+	template <typename genType>
+	bool intersectRayTriangle(
+		genType const & orig, genType const & dir,
+		genType const & vert0, genType const & vert1, genType const & vert2,
+		genType & baryPosition);
+
+	//! Compute the intersection of a line and a triangle.
+	//! From GLM_GTX_intersect extension.
+	template <typename genType>
+	bool intersectLineTriangle(
+		genType const & orig, genType const & dir,
+		genType const & vert0, genType const & vert1, genType const & vert2,
+		genType & position);
+
+	//! Compute the intersection distance of a ray and a sphere. 
+	//! The ray direction vector is unit length.
+	//! From GLM_GTX_intersect extension.
+	template <typename genType>
+	bool intersectRaySphere(
+		genType const & rayStarting, genType const & rayNormalizedDirection,
+		genType const & sphereCenter, const typename genType::value_type sphereRadiusSquered,
+		typename genType::value_type & intersectionDistance);
+
+	//! Compute the intersection of a ray and a sphere.
+	//! From GLM_GTX_intersect extension.
+	template <typename genType>
+	bool intersectRaySphere(
+		genType const & rayStarting, genType const & rayNormalizedDirection,
+		genType const & sphereCenter, const typename genType::value_type sphereRadius,
+		genType & intersectionPosition, genType & intersectionNormal);
+
+	//! Compute the intersection of a line and a sphere.
+	//! From GLM_GTX_intersect extension
+	template <typename genType>
+	bool intersectLineSphere(
+		genType const & point0, genType const & point1,
+		genType const & sphereCenter, typename genType::value_type sphereRadius,
+		genType & intersectionPosition1, genType & intersectionNormal1, 
+		genType & intersectionPosition2 = genType(), genType & intersectionNormal2 = genType());
+
+	/// @}
+}//namespace glm
+
+#include "intersect.inl"
+
+#endif//GLM_GTX_intersect
diff --git a/include/gal/opengl/glm/gtx/intersect.inl b/include/gal/opengl/glm/gtx/intersect.inl
new file mode 100644
index 0000000..3fd8cea
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/intersect.inl
@@ -0,0 +1,196 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-04-03
+// Updated : 2009-01-20
+// Licence : This source is under MIT licence
+// File    : glm/gtx/intersect.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#include <cfloat>
+#include <limits>
+
+namespace glm
+{
+	template <typename genType>
+	GLM_FUNC_QUALIFIER bool intersectRayTriangle
+	(
+		genType const & orig, genType const & dir,
+		genType const & v0, genType const & v1, genType const & v2,
+		genType & baryPosition
+	)
+	{
+		genType e1 = v1 - v0;
+		genType e2 = v2 - v0;
+
+		genType p = glm::cross(dir, e2);
+
+		typename genType::value_type a = glm::dot(e1, p);
+
+		typename genType::value_type Epsilon = std::numeric_limits<typename genType::value_type>::epsilon();
+		if(a < Epsilon)
+			return false;
+
+		typename genType::value_type f = typename genType::value_type(1.0f) / a;
+
+		genType s = orig - v0;
+		baryPosition.x = f * glm::dot(s, p);
+		if(baryPosition.x < typename genType::value_type(0.0f))
+			return false;
+		if(baryPosition.x > typename genType::value_type(1.0f))
+			return false;
+
+		genType q = glm::cross(s, e1);
+		baryPosition.y = f * glm::dot(dir, q);
+		if(baryPosition.y < typename genType::value_type(0.0f))
+			return false;
+		if(baryPosition.y + baryPosition.x > typename genType::value_type(1.0f))
+			return false;
+
+		baryPosition.z = f * glm::dot(e2, q);
+
+		return baryPosition.z >= typename genType::value_type(0.0f);
+	}
+
+	//template <typename genType>
+	//GLM_FUNC_QUALIFIER bool intersectRayTriangle
+	//(
+	//	genType const & orig, genType const & dir,
+	//	genType const & vert0, genType const & vert1, genType const & vert2,
+	//	genType & position
+	//)
+	//{
+	//	typename genType::value_type Epsilon = std::numeric_limits<typename genType::value_type>::epsilon();
+	//
+	//	genType edge1 = vert1 - vert0;
+	//	genType edge2 = vert2 - vert0;
+	//
+	//	genType pvec = cross(dir, edge2);
+	//
+	//	float det = dot(edge1, pvec);
+	//	if(det < Epsilon)
+	//		return false;
+	//
+	//	genType tvec = orig - vert0;
+	//
+	//	position.y = dot(tvec, pvec);
+	//	if (position.y < typename genType::value_type(0) || position.y > det)
+	//		return typename genType::value_type(0);
+	//
+	//	genType qvec = cross(tvec, edge1);
+	//
+	//	position.z = dot(dir, qvec);
+	//	if (position.z < typename genType::value_type(0) || position.y + position.z > det)
+	//		return typename genType::value_type(0);
+	//
+	//	position.x = dot(edge2, qvec);
+	//	position *= typename genType::value_type(1) / det;
+	//
+	//	return typename genType::value_type(1);
+	//}
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER bool intersectLineTriangle
+	(
+		genType const & orig, genType const & dir,
+		genType const & vert0, genType const & vert1, genType const & vert2,
+		genType & position
+	)
+	{
+		typename genType::value_type Epsilon = std::numeric_limits<typename genType::value_type>::epsilon();
+
+		genType edge1 = vert1 - vert0;
+		genType edge2 = vert2 - vert0;
+
+		genType pvec = cross(dir, edge2);
+
+		float det = dot(edge1, pvec);
+
+		if (det > -Epsilon && det < Epsilon)
+			return false;
+		float inv_det = typename genType::value_type(1) / det;
+
+		genType tvec = orig - vert0;
+
+		position.y = dot(tvec, pvec) * inv_det;
+		if (position.y < typename genType::value_type(0) || position.y > typename genType::value_type(1))
+			return false;
+
+		genType qvec = cross(tvec, edge1);
+
+		position.z = dot(dir, qvec) * inv_det;
+		if (position.z < typename genType::value_type(0) || position.y + position.z > typename genType::value_type(1))
+			return false;
+
+		position.x = dot(edge2, qvec) * inv_det;
+
+		return true;
+	}
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER bool intersectRaySphere
+	(
+		genType const & rayStarting, genType const & rayNormalizedDirection,
+		genType const & sphereCenter, const typename genType::value_type sphereRadiusSquered,
+		typename genType::value_type & intersectionDistance
+	)
+	{
+		typename genType::value_type Epsilon = std::numeric_limits<typename genType::value_type>::epsilon();
+		genType diff = sphereCenter - rayStarting;
+		typename genType::value_type t0 = dot(diff, rayNormalizedDirection);
+		typename genType::value_type dSquared = dot(diff, diff) - t0 * t0;
+		if( dSquared > sphereRadiusSquered )
+		{
+			return false;
+		}
+		typename genType::value_type t1 = sqrt( sphereRadiusSquered - dSquared );
+		intersectionDistance = t0 > t1 + Epsilon ? t0 - t1 : t0 + t1;
+		return intersectionDistance > Epsilon;
+	}
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER bool intersectRaySphere
+	(
+		genType const & rayStarting, genType const & rayNormalizedDirection,
+		genType const & sphereCenter, const typename genType::value_type sphereRadius,
+		genType & intersectionPosition, genType & intersectionNormal
+	)
+	{
+		typename genType::value_type distance;
+		if( intersectRaySphere( rayStarting, rayNormalizedDirection, sphereCenter, sphereRadius * sphereRadius, distance ) )
+		{
+			intersectionPosition = rayStarting + rayNormalizedDirection * distance;
+			intersectionNormal = (intersectionPosition - sphereCenter) / sphereRadius;
+			return true;
+		}
+		return false;
+	}
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER bool intersectLineSphere
+	(
+		genType const & point0, genType const & point1,
+		genType const & sphereCenter, typename genType::value_type sphereRadius,
+		genType & intersectionPoint1, genType & intersectionNormal1, 
+		genType & intersectionPoint2, genType & intersectionNormal2
+	)
+	{
+		typename genType::value_type Epsilon = std::numeric_limits<typename genType::value_type>::epsilon();
+		genType dir = normalize(point1 - point0);
+		genType diff = sphereCenter - point0;
+		typename genType::value_type t0 = dot(diff, dir);
+		typename genType::value_type dSquared = dot(diff, diff) - t0 * t0;
+		if( dSquared > sphereRadius * sphereRadius )
+		{
+			return false;
+		}
+		typename genType::value_type t1 = sqrt( sphereRadius * sphereRadius - dSquared );
+		if( t0 < t1 + Epsilon )
+			t1 = -t1;
+		intersectionPoint1 = point0 + dir * (t0 - t1);
+		intersectionNormal1 = (intersectionPoint1 - sphereCenter) / sphereRadius;
+		intersectionPoint2 = point0 + dir * (t0 + t1);
+		intersectionNormal2 = (intersectionPoint2 - sphereCenter) / sphereRadius;
+		return true;
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/log_base.hpp b/include/gal/opengl/glm/gtx/log_base.hpp
new file mode 100644
index 0000000..0f2033e
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/log_base.hpp
@@ -0,0 +1,65 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_log_base
+/// @file glm/gtx/log_base.hpp
+/// @date 2008-10-24 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_log_base GLM_GTX_log_base
+/// @ingroup gtx
+/// 
+/// @brief Logarithm for any base. base can be a vector or a scalar.
+/// 
+/// <glm/gtx/log_base.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_log_base
+#define GLM_GTX_log_base GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_log_base extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_log_base
+	/// @{
+
+	//! Logarithm for any base.
+	//! From GLM_GTX_log_base.
+	template <typename genType> 
+	genType log(
+		genType const & x, 
+		genType const & base);
+
+	/// @}
+}//namespace glm
+
+#include "log_base.inl"
+
+#endif//GLM_GTX_log_base
diff --git a/include/gal/opengl/glm/gtx/log_base.inl b/include/gal/opengl/glm/gtx/log_base.inl
new file mode 100644
index 0000000..d8be51e
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/log_base.inl
@@ -0,0 +1,24 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2008-10-24
+// Updated : 2008-10-24
+// Licence : This source is under MIT License
+// File    : glm/gtx/log_base.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER genType log(
+		genType const & x, 
+		genType const & base)
+	{
+		assert(x != genType(0));
+
+		return glm::log(x) / glm::log(base);
+	}
+
+	VECTORIZE_VEC_SCA(log)
+	VECTORIZE_VEC_VEC(log)
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/matrix_cross_product.hpp b/include/gal/opengl/glm/gtx/matrix_cross_product.hpp
new file mode 100644
index 0000000..a298ab8
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/matrix_cross_product.hpp
@@ -0,0 +1,71 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_matrix_cross_product
+/// @file glm/gtx/matrix_cross_product.hpp
+/// @date 2005-12-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_extented_min_max (dependence)
+///
+/// @defgroup gtx_matrix_cross_product GLM_GTX_matrix_cross_product
+/// @ingroup gtx
+/// 
+/// @brief Build cross product matrices
+/// 
+/// <glm/gtx/matrix_cross_product.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_matrix_cross_product
+#define GLM_GTX_matrix_cross_product GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_matrix_cross_product extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_matrix_cross_product
+	/// @{
+
+	//! Build a cross product matrix.
+	//! From GLM_GTX_matrix_cross_product extension.
+	template <typename T> 
+	detail::tmat3x3<T> matrixCross3(
+		detail::tvec3<T> const & x);
+		
+	//! Build a cross product matrix.
+	//! From GLM_GTX_matrix_cross_product extension.
+	template <typename T> 
+	detail::tmat4x4<T> matrixCross4(
+		detail::tvec3<T> const & x);
+
+	/// @}
+}//namespace glm
+
+#include "matrix_cross_product.inl"
+
+#endif//GLM_GTX_matrix_cross_product
diff --git a/include/gal/opengl/glm/gtx/matrix_cross_product.inl b/include/gal/opengl/glm/gtx/matrix_cross_product.inl
new file mode 100644
index 0000000..5da4403
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/matrix_cross_product.inl
@@ -0,0 +1,44 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2005-12-21
+// Licence : This source is under MIT License
+// File    : glm/gtx/matrix_cross_product.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> matrixCross3
+	(
+		detail::tvec3<T> const & x
+	)
+	{
+		detail::tmat3x3<T> Result(T(0));
+		Result[0][1] = x.z;
+		Result[1][0] = -x.z;
+		Result[0][2] = -x.y;
+		Result[2][0] = x.y;
+		Result[1][2] = x.x;
+		Result[2][1] = -x.x;
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> matrixCross4
+	(
+		detail::tvec3<T> const & x
+	)
+	{
+		detail::tmat4x4<T> Result(T(0));
+		Result[0][1] = x.z;
+		Result[1][0] = -x.z;
+		Result[0][2] = -x.y;
+		Result[2][0] = x.y;
+		Result[1][2] = x.x;
+		Result[2][1] = -x.x;
+		return Result;
+	}
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/matrix_interpolation.hpp b/include/gal/opengl/glm/gtx/matrix_interpolation.hpp
new file mode 100644
index 0000000..75f2047
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/matrix_interpolation.hpp
@@ -0,0 +1,88 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_matrix_interpolation
+/// @file glm/gtx/matrix_interpolation.hpp
+/// @date 2011-03-05 / 2011-06-07
+/// @author Ghenadii Ursachi (the.asteroth@gmail.com)
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_matrix_interpolation GLM_GTX_matrix_interpolation
+/// @ingroup gtx
+/// 
+/// @brief Allows to directly interpolate two exiciting matrices.
+/// 
+/// <glm/gtx/matrix_interpolation.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_matrix_interpolation
+#define GLM_GTX_matrix_interpolation GLM_VERSION
+
+// Dependency:
+//#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_matrix_interpolation extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_matrix_interpolation
+	/// @{
+
+	//! Get the axis and angle of the rotation from a matrix.
+    //! From GLM_GTX_matrix_interpolation extension.
+	template <typename T>
+    void axisAngle(
+        detail::tmat4x4<T> const & mat,
+        detail::tvec3<T> & axis,
+        T & angle);
+
+    //! Build a matrix from axis and angle.
+    //! From GLM_GTX_matrix_interpolation extension.
+	template <typename T>
+    detail::tmat4x4<T> axisAngleMatrix(
+        detail::tvec3<T> const & axis,
+        T const angle);
+
+	//! Extracts the rotation part of a matrix.
+    //! From GLM_GTX_matrix_interpolation extension.
+	template <typename T>
+	detail::tmat4x4<T> extractMatrixRotation(
+		detail::tmat4x4<T> const & mat);
+
+	//! Build a interpolation of 4 * 4 matrixes.
+    //! From GLM_GTX_matrix_interpolation extension.
+    //! Warning! works only with rotation and/or translation matrixes, scale will generate unexpected results.
+	template <typename T>
+    detail::tmat4x4<T> interpolate(
+        detail::tmat4x4<T> const & m1,
+        detail::tmat4x4<T> const & m2,
+        T const delta);
+
+	/// @}
+}//namespace glm
+
+#include "matrix_interpolation.inl"
+
+#endif//GLM_GTX_matrix_interpolation
diff --git a/include/gal/opengl/glm/gtx/matrix_interpolation.inl b/include/gal/opengl/glm/gtx/matrix_interpolation.inl
new file mode 100644
index 0000000..8ab1343
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/matrix_interpolation.inl
@@ -0,0 +1,131 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2011-03-05
+// Updated : 2011-03-05
+// Licence : This source is under MIT License
+// File    : glm/gtx/matrix_interpolation.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T>
+	GLM_FUNC_QUALIFIER void axisAngle
+	(
+		detail::tmat4x4<T> const & mat,
+		detail::tvec3<T> & axis,
+		T & angle
+	)
+	{
+		T epsilon = (T)0.01;
+		T epsilon2 = (T)0.1;
+
+		if ((fabs(mat[1][0] - mat[0][1]) < epsilon) && (fabs(mat[2][0] - mat[0][2]) < epsilon) && (fabs(mat[2][1] - mat[1][2]) < epsilon)) {
+			if ((fabs(mat[1][0] + mat[0][1]) < epsilon2) && (fabs(mat[2][0] + mat[0][2]) < epsilon2) && (fabs(mat[2][1] + mat[1][2]) < epsilon2) && (fabs(mat[0][0] + mat[1][1] + mat[2][2] - (T)3.0) < epsilon2)) {
+				angle = (T)0.0;
+				axis.x = (T)1.0;
+				axis.y = (T)0.0;
+				axis.z = (T)0.0;
+				return;
+			}
+			angle = T(3.1415926535897932384626433832795);
+			T xx = (mat[0][0] + (T)1.0) / (T)2.0;
+			T yy = (mat[1][1] + (T)1.0) / (T)2.0;
+			T zz = (mat[2][2] + (T)1.0) / (T)2.0;
+			T xy = (mat[1][0] + mat[0][1]) / (T)4.0;
+			T xz = (mat[2][0] + mat[0][2]) / (T)4.0;
+			T yz = (mat[2][1] + mat[1][2]) / (T)4.0;
+			if ((xx > yy) && (xx > zz)) {
+				if (xx < epsilon) {
+					axis.x = (T)0.0;
+					axis.y = (T)0.7071;
+					axis.z = (T)0.7071;
+				} else {
+					axis.x = sqrt(xx);
+					axis.y = xy / axis.x;
+					axis.z = xz / axis.x;
+				}
+			} else if (yy > zz) {
+				if (yy < epsilon) {
+					axis.x = (T)0.7071;
+					axis.y = (T)0.0;
+					axis.z = (T)0.7071;
+				} else {
+					axis.y = sqrt(yy);
+					axis.x = xy / axis.y;
+					axis.z = yz / axis.y;
+				}
+			} else {
+				if (zz < epsilon) {
+					axis.x = (T)0.7071;
+					axis.y = (T)0.7071;
+					axis.z = (T)0.0;
+				} else {
+					axis.z = sqrt(zz);
+					axis.x = xz / axis.z;
+					axis.y = yz / axis.z;
+				}
+			}
+			return;
+		}
+		T s = sqrt((mat[2][1] - mat[1][2]) * (mat[2][1] - mat[1][2]) + (mat[2][0] - mat[0][2]) * (mat[2][0] - mat[0][2]) + (mat[1][0] - mat[0][1]) * (mat[1][0] - mat[0][1]));
+		if (glm::abs(s) < T(0.001))
+			s = (T)1.0;
+		angle = acos((mat[0][0] + mat[1][1] + mat[2][2] - (T)1.0) / (T)2.0);
+		axis.x = (mat[1][2] - mat[2][1]) / s;
+		axis.y = (mat[2][0] - mat[0][2]) / s;
+		axis.z = (mat[0][1] - mat[1][0]) / s;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> axisAngleMatrix
+	(
+		detail::tvec3<T> const & axis,
+		T const angle
+	)
+	{
+		T c = cos(angle);
+		T s = sin(angle);
+		T t = T(1) - c;
+		detail::tvec3<T> n = normalize(axis);
+
+		return detail::tmat4x4<T>(
+			t * n.x * n.x + c,          t * n.x * n.y + n.z * s,    t * n.x * n.z - n.y * s,    T(0),
+			t * n.x * n.y - n.z * s,    t * n.y * n.y + c,          t * n.y * n.z + n.x * s,    T(0),
+			t * n.x * n.z + n.y * s,    t * n.y * n.z - n.x * s,    t * n.z * n.z + c,          T(0),
+			T(0),                        T(0),                        T(0),                     T(1)
+		);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> extractMatrixRotation(
+		detail::tmat4x4<T> const & mat)
+	{
+		return detail::tmat4x4<T>(
+			mat[0][0], mat[0][1], mat[0][2], 0.0,
+			mat[1][0], mat[1][1], mat[1][2], 0.0,
+			mat[2][0], mat[2][1], mat[2][2], 0.0,
+			0.0,       0.0,       0.0,       1.0
+		);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> interpolate
+	(
+		detail::tmat4x4<T> const & m1,
+		detail::tmat4x4<T> const & m2,
+		T const delta
+	)
+	{
+		detail::tmat4x4<T> m1rot = extractMatrixRotation(m1);
+		detail::tmat4x4<T> dltRotation = m2 * transpose(m1rot);
+		detail::tvec3<T> dltAxis;
+		T dltAngle;
+		axisAngle(dltRotation, dltAxis, dltAngle);
+		detail::tmat4x4<T> out = axisAngleMatrix(dltAxis, dltAngle * delta) * m1rot;
+		out[3][0] = m1[3][0] + delta * (m2[3][0] - m1[3][0]);
+		out[3][1] = m1[3][1] + delta * (m2[3][1] - m1[3][1]);
+		out[3][2] = m1[3][2] + delta * (m2[3][2] - m1[3][2]);
+		return out;
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/matrix_major_storage.hpp b/include/gal/opengl/glm/gtx/matrix_major_storage.hpp
new file mode 100644
index 0000000..74b5db0
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/matrix_major_storage.hpp
@@ -0,0 +1,143 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_matrix_major_storage
+/// @file glm/gtx/matrix_major_storage.hpp
+/// @date 2006-04-19 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_extented_min_max (dependence)
+///
+/// @defgroup gtx_matrix_major_storage GLM_GTX_matrix_major_storage
+/// @ingroup gtx
+/// 
+/// @brief Build matrices with specific matrix order, row or column
+/// 
+/// <glm/gtx/matrix_major_storage.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_matrix_major_storage
+#define GLM_GTX_matrix_major_storage GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_matrix_major_storage extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_matrix_major_storage
+	/// @{
+
+	//! Build a row major matrix from row vectors.
+	//! From GLM_GTX_matrix_major_storage extension.
+	template <typename T> 
+	detail::tmat2x2<T> rowMajor2(
+		detail::tvec2<T> const & v1, 
+		detail::tvec2<T> const & v2);
+		
+	//! Build a row major matrix from other matrix.
+	//! From GLM_GTX_matrix_major_storage extension.
+	template <typename T> 
+	detail::tmat2x2<T> rowMajor2(
+		detail::tmat2x2<T> const & m);
+
+	//! Build a row major matrix from row vectors.
+	//! From GLM_GTX_matrix_major_storage extension.
+	template <typename T> 
+	detail::tmat3x3<T> rowMajor3(
+		detail::tvec3<T> const & v1, 
+		detail::tvec3<T> const & v2, 
+		detail::tvec3<T> const & v3);
+
+	//! Build a row major matrix from other matrix.
+	//! From GLM_GTX_matrix_major_storage extension.
+	template <typename T> 
+	detail::tmat3x3<T> rowMajor3(
+		detail::tmat3x3<T> const & m);
+
+	//! Build a row major matrix from row vectors.
+	//! From GLM_GTX_matrix_major_storage extension.
+	template <typename T> 
+	detail::tmat4x4<T> rowMajor4(
+		detail::tvec4<T> const & v1, 
+		detail::tvec4<T> const & v2,
+		detail::tvec4<T> const & v3, 
+		detail::tvec4<T> const & v4);
+
+	//! Build a row major matrix from other matrix.
+	//! From GLM_GTX_matrix_major_storage extension.
+	template <typename T> 
+	detail::tmat4x4<T> rowMajor4(
+		detail::tmat4x4<T> const & m);
+
+	//! Build a column major matrix from column vectors.
+	//! From GLM_GTX_matrix_major_storage extension.
+	template <typename T> 
+	detail::tmat2x2<T> colMajor2(
+		detail::tvec2<T> const & v1, 
+		detail::tvec2<T> const & v2);
+		
+	//! Build a column major matrix from other matrix.
+	//! From GLM_GTX_matrix_major_storage extension.
+	template <typename T> 
+	detail::tmat2x2<T> colMajor2(
+		detail::tmat2x2<T> const & m);
+
+	//! Build a column major matrix from column vectors.
+	//! From GLM_GTX_matrix_major_storage extension.
+	template <typename T> 
+	detail::tmat3x3<T> colMajor3(
+		detail::tvec3<T> const & v1, 
+		detail::tvec3<T> const & v2, 
+		detail::tvec3<T> const & v3);
+		
+	//! Build a column major matrix from other matrix.
+	//! From GLM_GTX_matrix_major_storage extension.
+	template <typename T> 
+	detail::tmat3x3<T> colMajor3(
+		detail::tmat3x3<T> const & m);
+		
+	//! Build a column major matrix from column vectors.
+	//! From GLM_GTX_matrix_major_storage extension.
+	template <typename T> 
+	detail::tmat4x4<T> colMajor4(
+		detail::tvec4<T> const & v1, 
+		detail::tvec4<T> const & v2, 
+		detail::tvec4<T> const & v3, 
+		detail::tvec4<T> const & v4);
+				
+	//! Build a column major matrix from other matrix.
+	//! From GLM_GTX_matrix_major_storage extension.
+	template <typename T> 
+	detail::tmat4x4<T> colMajor4(
+		detail::tmat4x4<T> const & m);
+
+	/// @}
+}//namespace glm
+
+#include "matrix_major_storage.inl"
+
+#endif//GLM_GTX_matrix_major_storage
diff --git a/include/gal/opengl/glm/gtx/matrix_major_storage.inl b/include/gal/opengl/glm/gtx/matrix_major_storage.inl
new file mode 100644
index 0000000..a12ed36
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/matrix_major_storage.inl
@@ -0,0 +1,173 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2006-04-19
+// Updated : 2009-02-19
+// Licence : This source is under MIT License
+// File    : glm/gtx/matrix_major_storage.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat2x2<T> rowMajor2
+	(
+		detail::tvec2<T> const & v1, 
+		detail::tvec2<T> const & v2
+	)
+	{
+		detail::tmat2x2<T> Result;
+		Result[0][0] = v1.x;
+		Result[1][0] = v1.y;
+		Result[0][1] = v2.x;
+		Result[1][1] = v2.y;
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat2x2<T> rowMajor2(
+		const detail::tmat2x2<T>& m)
+	{
+		detail::tmat2x2<T> Result;
+		Result[0][0] = m[0][0];
+		Result[0][1] = m[1][0];
+		Result[1][0] = m[0][1];
+		Result[1][1] = m[1][1];
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> rowMajor3(
+		const detail::tvec3<T>& v1, 
+		const detail::tvec3<T>& v2, 
+		const detail::tvec3<T>& v3)
+	{
+		detail::tmat3x3<T> Result;
+		Result[0][0] = v1.x;
+		Result[1][0] = v1.y;
+		Result[2][0] = v1.z;
+		Result[0][1] = v2.x;
+		Result[1][1] = v2.y;
+		Result[2][1] = v2.z;
+		Result[0][2] = v3.x;
+		Result[1][2] = v3.y;
+		Result[2][2] = v3.z;
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> rowMajor3(
+		const detail::tmat3x3<T>& m)
+	{
+		detail::tmat3x3<T> Result;
+		Result[0][0] = m[0][0];
+		Result[0][1] = m[1][0];
+		Result[0][2] = m[2][0];
+		Result[1][0] = m[0][1];
+		Result[1][1] = m[1][1];
+		Result[1][2] = m[2][1];
+		Result[2][0] = m[0][2];
+		Result[2][1] = m[1][2];
+		Result[2][2] = m[2][2];
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> rowMajor4(
+		const detail::tvec4<T>& v1, 
+		const detail::tvec4<T>& v2, 
+		const detail::tvec4<T>& v3, 
+		const detail::tvec4<T>& v4)
+	{
+		detail::tmat4x4<T> Result;
+		Result[0][0] = v1.x;
+		Result[1][0] = v1.y;
+		Result[2][0] = v1.z;
+		Result[3][0] = v1.w;
+		Result[0][1] = v2.x;
+		Result[1][1] = v2.y;
+		Result[2][1] = v2.z;
+		Result[3][1] = v2.w;
+		Result[0][2] = v3.x;
+		Result[1][2] = v3.y;
+		Result[2][2] = v3.z;
+		Result[3][2] = v3.w;
+		Result[0][3] = v4.x;
+		Result[1][3] = v4.y;
+		Result[2][3] = v4.z;
+		Result[3][3] = v4.w;
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> rowMajor4(
+		const detail::tmat4x4<T>& m)
+	{
+		detail::tmat4x4<T> Result;
+		Result[0][0] = m[0][0];
+		Result[0][1] = m[1][0];
+		Result[0][2] = m[2][0];
+		Result[0][3] = m[3][0];
+		Result[1][0] = m[0][1];
+		Result[1][1] = m[1][1];
+		Result[1][2] = m[2][1];
+		Result[1][3] = m[3][1];
+		Result[2][0] = m[0][2];
+		Result[2][1] = m[1][2];
+		Result[2][2] = m[2][2];
+		Result[2][3] = m[3][2];
+		Result[3][0] = m[0][3];
+		Result[3][1] = m[1][3];
+		Result[3][2] = m[2][3];
+		Result[3][3] = m[3][3];
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat2x2<T> colMajor2(
+		const detail::tvec2<T>& v1, 
+		const detail::tvec2<T>& v2)
+	{
+		return detail::tmat2x2<T>(v1, v2);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat2x2<T> colMajor2(
+		const detail::tmat2x2<T>& m)
+	{
+		return detail::tmat2x2<T>(m);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> colMajor3(
+		const detail::tvec3<T>& v1, 
+		const detail::tvec3<T>& v2, 
+		const detail::tvec3<T>& v3)
+	{
+		return detail::tmat3x3<T>(v1, v2, v3);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> colMajor3(
+		const detail::tmat3x3<T>& m)
+	{
+		return detail::tmat3x3<T>(m);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> colMajor4(
+		const detail::tvec4<T>& v1, 
+		const detail::tvec4<T>& v2, 
+		const detail::tvec4<T>& v3, 
+		const detail::tvec4<T>& v4)
+	{
+		return detail::tmat4x4<T>(v1, v2, v3, v4);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> colMajor4(
+		const detail::tmat4x4<T>& m)
+	{
+		return detail::tmat4x4<T>(m);
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/matrix_operation.hpp b/include/gal/opengl/glm/gtx/matrix_operation.hpp
new file mode 100644
index 0000000..8a57324
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/matrix_operation.hpp
@@ -0,0 +1,112 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_matrix_operation
+/// @file glm/gtx/matrix_operation.hpp
+/// @date 2009-08-29 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_matrix_operation GLM_GTX_matrix_operation
+/// @ingroup gtx
+/// 
+/// @brief Build diagonal matrices from vectors.
+/// 
+/// <glm/gtx/matrix_operation.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_matrix_operation
+#define GLM_GTX_matrix_operation GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_matrix_operation extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_matrix_operation
+	/// @{
+
+	//! Build a diagonal matrix.
+	//! From GLM_GTX_matrix_operation extension.
+	template <typename valType> 
+	detail::tmat2x2<valType> diagonal2x2(
+		detail::tvec2<valType> const & v);
+
+	//! Build a diagonal matrix.
+	//! From GLM_GTX_matrix_operation extension.
+	template <typename valType> 
+	detail::tmat2x3<valType> diagonal2x3(
+		detail::tvec2<valType> const & v);
+
+	//! Build a diagonal matrix.
+	//! From GLM_GTX_matrix_operation extension.
+	template <typename valType> 
+	detail::tmat2x4<valType> diagonal2x4(
+		detail::tvec2<valType> const & v);
+
+	//! Build a diagonal matrix.
+	//! From GLM_GTX_matrix_operation extension.
+	template <typename valType> 
+	detail::tmat3x2<valType> diagonal3x2(
+		detail::tvec2<valType> const & v);
+
+	//! Build a diagonal matrix.
+	//! From GLM_GTX_matrix_operation extension.
+	template <typename valType> 
+	detail::tmat3x3<valType> diagonal3x3(
+		detail::tvec3<valType> const & v);
+
+	//! Build a diagonal matrix.
+	//! From GLM_GTX_matrix_operation extension.
+	template <typename valType> 
+	detail::tmat3x4<valType> diagonal3x4(
+		detail::tvec3<valType> const & v);
+
+	//! Build a diagonal matrix.
+	//! From GLM_GTX_matrix_operation extension.
+	template <typename valType> 
+	detail::tmat4x2<valType> diagonal4x2(
+		detail::tvec2<valType> const & v);
+
+	//! Build a diagonal matrix.
+	//! From GLM_GTX_matrix_operation extension.
+	template <typename valType> 
+	detail::tmat4x3<valType> diagonal4x3(
+		detail::tvec3<valType> const & v);
+
+	//! Build a diagonal matrix.
+	//! From GLM_GTX_matrix_operation extension.
+	template <typename valType> 
+	detail::tmat4x4<valType> diagonal4x4(
+		detail::tvec4<valType> const & v);
+
+	/// @}
+}//namespace glm
+
+#include "matrix_operation.inl"
+
+#endif//GLM_GTX_matrix_operation
diff --git a/include/gal/opengl/glm/gtx/matrix_operation.inl b/include/gal/opengl/glm/gtx/matrix_operation.inl
new file mode 100644
index 0000000..37b2b02
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/matrix_operation.inl
@@ -0,0 +1,124 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2009-08-29
+// Updated : 2009-08-29
+// Licence : This source is under MIT License
+// File    : glm/gtx/matrix_operation.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat2x2<valType> diagonal2x2
+	(
+		detail::tvec2<valType> const & v
+	)
+	{
+		detail::tmat2x2<valType> Result(valType(1));
+		Result[0][0] = v[0];
+		Result[1][1] = v[1];
+		return Result;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat2x3<valType> diagonal2x3
+	(
+		detail::tvec2<valType> const & v
+	)
+	{
+		detail::tmat2x3<valType> Result(valType(1));
+		Result[0][0] = v[0];
+		Result[1][1] = v[1];
+		return Result;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat2x4<valType> diagonal2x4
+	(
+		detail::tvec2<valType> const & v
+	)
+	{
+		detail::tmat2x4<valType> Result(valType(1));
+		Result[0][0] = v[0];
+		Result[1][1] = v[1];
+		return Result;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat3x2<valType> diagonal3x2
+	(
+		detail::tvec2<valType> const & v
+	)
+	{
+		detail::tmat3x2<valType> Result(valType(1));
+		Result[0][0] = v[0];
+		Result[1][1] = v[1];
+		return Result;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat3x3<valType> diagonal3x3
+	(
+		detail::tvec3<valType> const & v
+	)
+	{
+		detail::tmat3x3<valType> Result(valType(1));
+		Result[0][0] = v[0];
+		Result[1][1] = v[1];
+		Result[2][2] = v[2];
+		return Result;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat3x4<valType> diagonal3x4
+	(
+		detail::tvec3<valType> const & v
+	)
+	{
+		detail::tmat3x4<valType> Result(valType(1));
+		Result[0][0] = v[0];
+		Result[1][1] = v[1];
+		Result[2][2] = v[2];
+		return Result;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> diagonal4x4
+	(
+		detail::tvec4<valType> const & v
+	)
+	{
+		detail::tmat4x4<valType> Result(valType(1));
+		Result[0][0] = v[0];
+		Result[1][1] = v[1];
+		Result[2][2] = v[2];
+		Result[3][3] = v[3];
+		return Result;		
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x3<valType> diagonal4x3
+	(
+		detail::tvec3<valType> const & v
+	)
+	{
+		detail::tmat4x3<valType> Result(valType(1));
+		Result[0][0] = v[0];
+		Result[1][1] = v[1];
+		Result[2][2] = v[2];
+		return Result;		
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x2<valType> diagonal4x2
+	(
+		detail::tvec2<valType> const & v
+	)
+	{
+		detail::tmat4x2<valType> Result(valType(1));
+		Result[0][0] = v[0];
+		Result[1][1] = v[1];
+		return Result;		
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/matrix_query.hpp b/include/gal/opengl/glm/gtx/matrix_query.hpp
new file mode 100644
index 0000000..bba233b
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/matrix_query.hpp
@@ -0,0 +1,117 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_matrix_query
+/// @file glm/gtx/matrix_query.hpp
+/// @date 2007-03-05 / 2011-08-28
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_vector_query (dependence)
+///
+/// @defgroup gtx_matrix_query GLM_GTX_matrix_query
+/// @ingroup gtx
+/// 
+/// @brief Query to evaluate matrix properties
+/// 
+/// <glm/gtx/matrix_query.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_matrix_query
+#define GLM_GTX_matrix_query GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/vector_query.hpp"
+#include <limits>
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_matrix_query extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_matrix_query
+	/// @{
+
+	/// Return whether a matrix a null matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename T> 
+	bool isNull(
+		detail::tmat2x2<T> const & m, 
+		T const & epsilon/* = std::numeric_limits<T>::epsilon()*/);
+		
+	/// Return whether a matrix a null matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename T> 
+	bool isNull(
+		detail::tmat3x3<T> const & m, 
+		T const & epsilon/* = std::numeric_limits<T>::epsilon()*/);
+		
+	/// Return whether a matrix is a null matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename T> 
+	bool isNull(
+		detail::tmat4x4<T> const & m, 
+		T const & epsilon/* = std::numeric_limits<T>::epsilon()*/);
+			
+	/// Return whether a matrix is an identity matrix. 
+	/// From GLM_GTX_matrix_query extension.
+	template<typename genType> 
+	bool isIdentity(
+		genType const & m, 
+		typename genType::value_type const & epsilon/* = std::numeric_limits<typename genType::value_type>::epsilon()*/);
+
+	/// Return whether a matrix is a normalized matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename valType>   
+	bool isNormalized(
+		detail::tmat2x2<valType> const & m, 
+		valType const & epsilon/* = std::numeric_limits<valType>::epsilon()*/);
+
+	/// Return whether a matrix is a normalized matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename valType>   
+	bool isNormalized(
+		detail::tmat3x3<valType> const & m, 
+		valType const & epsilon/* = std::numeric_limits<valType>::epsilon()*/);
+
+	/// Return whether a matrix is a normalized matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename valType>   
+	bool isNormalized(
+		detail::tmat4x4<valType> const & m, 
+		valType const & epsilon/* = std::numeric_limits<valType>::epsilon()*/);
+
+	/// Return whether a matrix is an orthonormalized matrix.
+	/// From GLM_GTX_matrix_query extension.
+	template<typename valType, template <typename> class matType> 
+	bool isOrthogonal(
+		matType<valType> const & m, 
+		valType const & epsilon/* = std::numeric_limits<genType>::epsilon()*/);
+
+	/// @}
+}//namespace glm
+
+#include "matrix_query.inl"
+
+#endif//GLM_GTX_matrix_query
diff --git a/include/gal/opengl/glm/gtx/matrix_query.inl b/include/gal/opengl/glm/gtx/matrix_query.inl
new file mode 100644
index 0000000..6db3391
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/matrix_query.inl
@@ -0,0 +1,154 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-03-05
+// Updated : 2007-03-05
+// Licence : This source is under MIT License
+// File    : glm/gtx/matrix_query.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template<typename T> 
+	GLM_FUNC_QUALIFIER bool isNull
+	(
+		detail::tmat2x2<T> const & m, 
+		T const & epsilon)
+	{
+		bool result = true;
+		for(int i = 0; result && i < 2 ; ++i)
+			result = isNull(m[i], epsilon);
+		return result;
+	}
+
+	template<typename T> 
+	GLM_FUNC_QUALIFIER bool isNull
+	(
+		detail::tmat3x3<T> const & m, 
+		T const & epsilon
+	)
+	{
+		bool result = true;
+		for(int i = 0; result && i < 3 ; ++i)
+			result = isNull(m[i], epsilon);
+		return result;
+	}
+
+	template<typename T> 
+	GLM_FUNC_QUALIFIER bool isNull
+	(
+		detail::tmat4x4<T> const & m, 
+		T const & epsilon
+	)
+	{
+		bool result = true;
+		for(int i = 0; result && i < 4 ; ++i)
+			result = isNull(m[i], epsilon);
+		return result;
+	}
+
+	template<typename genType> 
+	GLM_FUNC_QUALIFIER bool isIdentity
+	(
+		genType const & m, 
+		typename genType::value_type const & epsilon
+	)
+	{
+		bool result = true;
+		for(typename genType::size_type i = typename genType::size_type(0); result && i < genType::col_size(); ++i)
+		{
+			for(typename genType::size_type j = typename genType::size_type(0); result && j < i ; ++j)
+				result = abs(m[i][j]) <= epsilon;
+			if(result)
+				result = abs(m[i][i] - typename genType::value_type(1)) <= epsilon;
+			for(typename genType::size_type j = i + typename genType::size_type(1); result && j < genType::row_size(); ++j)
+				result = abs(m[i][j]) <= epsilon;
+		}
+		return result;
+	}
+
+	template<typename genType>  
+	GLM_FUNC_QUALIFIER bool isNormalized
+	(
+		detail::tmat2x2<genType> const & m, 
+		genType const & epsilon
+	)
+	{
+		bool result(true);
+                for(typename detail::tmat2x2<genType>::size_type i(0); result && i < m.length(); ++i)
+			result = isNormalized(m[i], epsilon);
+                for(typename detail::tmat2x2<genType>::size_type i(0); result && i < m.length(); ++i)
+		{
+                        typename detail::tmat2x2<genType>::col_type v;
+                        for(typename detail::tmat2x2<genType>::size_type j(0); j < m.length(); ++j)
+				v[j] = m[j][i];
+			result = isNormalized(v, epsilon);
+		}
+		return result;
+	}
+
+	template<typename genType>  
+	GLM_FUNC_QUALIFIER bool isNormalized
+	(
+		detail::tmat3x3<genType> const & m, 
+		genType const & epsilon
+	)
+	{
+		bool result(true);
+                for(typename detail::tmat3x3<genType>::size_type i(0); result && i < m.length(); ++i)
+			result = isNormalized(m[i], epsilon);
+                for(typename detail::tmat3x3<genType>::size_type i(0); result && i < m.length(); ++i)
+		{
+                        typename detail::tmat3x3<genType>::col_type v;
+                        for(typename detail::tmat3x3<genType>::size_type j(0); j < m.length(); ++j)
+				v[j] = m[j][i];
+			result = isNormalized(v, epsilon);
+		}
+		return result;
+	}
+
+	template<typename genType>  
+	GLM_FUNC_QUALIFIER bool isNormalized
+	(
+		detail::tmat4x4<genType> const & m, 
+		genType const & epsilon
+	)
+	{
+		bool result(true);
+                for(typename detail::tmat4x4<genType>::size_type i(0); result && i < m.length(); ++i)
+			result = isNormalized(m[i], epsilon);
+                for(typename detail::tmat4x4<genType>::size_type i(0); result && i < m.length(); ++i)
+		{
+                        typename detail::tmat4x4<genType>::col_type v;
+                        for(typename detail::tmat4x4<genType>::size_type j(0); j < m.length(); ++j)
+				v[j] = m[j][i];
+			result = isNormalized(v, epsilon);
+		}
+		return result;
+	}
+
+	template<typename genType, template <typename> class matType>  
+	GLM_FUNC_QUALIFIER bool isOrthogonal
+	(
+		matType<genType> const & m, 
+		genType const & epsilon
+	)
+	{
+		bool result(true);
+		for(typename matType<genType>::size_type i(0); result && i < m.length() - 1; ++i)
+		for(typename matType<genType>::size_type j(i + 1); result && j < m.length(); ++j)
+			result = areOrthogonal(m[i], m[j], epsilon);
+
+		if(result)
+		{
+			matType<genType> tmp = transpose(m);
+			for(typename matType<genType>::size_type i(0); result && i < m.length() - 1 ; ++i)
+			for(typename matType<genType>::size_type j(i + 1); result && j < m.length(); ++j)
+				result = areOrthogonal(tmp[i], tmp[j], epsilon);
+		}
+		return result;
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/mixed_product.hpp b/include/gal/opengl/glm/gtx/mixed_product.hpp
new file mode 100644
index 0000000..b222271
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/mixed_product.hpp
@@ -0,0 +1,65 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_mixed_product
+/// @file glm/gtx/mixed_product.hpp
+/// @date 2007-04-03 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_mixed_product GLM_GTX_mixed_producte
+/// @ingroup gtx
+/// 
+/// @brief Mixed product of 3 vectors.
+/// 
+/// <glm/gtx/mixed_product.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_mixed_product
+#define GLM_GTX_mixed_product GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_mixed_product extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_mixed_product
+	/// @{
+
+	/// @brief Mixed product of 3 vectors (from GLM_GTX_mixed_product extension)
+	template <typename valType> 
+	valType mixedProduct(
+		detail::tvec3<valType> const & v1, 
+		detail::tvec3<valType> const & v2, 
+		detail::tvec3<valType> const & v3);
+
+	/// @}
+}// namespace glm
+
+#include "mixed_product.inl"
+
+#endif//GLM_GTX_mixed_product
diff --git a/include/gal/opengl/glm/gtx/mixed_product.inl b/include/gal/opengl/glm/gtx/mixed_product.inl
new file mode 100644
index 0000000..9c3a179
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/mixed_product.inl
@@ -0,0 +1,22 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-04-03
+// Updated : 2008-09-17
+// Licence : This source is under MIT License
+// File    : glm/gtx/mixed_product.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER valType mixedProduct
+	(
+		detail::tvec3<valType> const & v1, 
+		detail::tvec3<valType> const & v2, 
+		detail::tvec3<valType> const & v3
+	)
+	{
+		return dot(cross(v1, v2), v3);
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/multiple.hpp b/include/gal/opengl/glm/gtx/multiple.hpp
new file mode 100644
index 0000000..0092802
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/multiple.hpp
@@ -0,0 +1,73 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_multiple
+/// @file glm/gtx/multiple.hpp
+/// @date 2009-10-26 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_extented_min_max (dependence)
+///
+/// @defgroup gtx_multiple GLM_GTX_multiple
+/// @ingroup gtx
+/// 
+/// @brief Find the closest number of a number multiple of other number.
+/// 
+/// <glm/gtx/multiple.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_multiple
+#define GLM_GTX_multiple GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_multiple extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_multiple
+	/// @{
+
+	//! Higher Multiple number of Source.
+	//! From GLM_GTX_multiple extension.
+	template <typename genType> 
+	genType higherMultiple(
+		genType const & Source, 
+		genType const & Multiple);
+
+	//! Lower Multiple number of Source.
+	//! From GLM_GTX_multiple extension.
+	template <typename genType> 
+	genType lowerMultiple(
+		genType const & Source, 
+		genType const & Multiple);
+
+	/// @}
+}//namespace glm
+
+#include "multiple.inl"
+
+#endif//GLM_GTX_multiple
diff --git a/include/gal/opengl/glm/gtx/multiple.inl b/include/gal/opengl/glm/gtx/multiple.inl
new file mode 100644
index 0000000..e7d25b0
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/multiple.inl
@@ -0,0 +1,128 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2009-10-26
+// Updated : 2011-06-07
+// Licence : This source is under MIT License
+// File    : glm/gtx/multiple.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	//////////////////////
+	// higherMultiple
+
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER genType higherMultiple
+	(
+		genType const & Source, 
+		genType const & Multiple
+	)
+	{
+		if (Source > 0)
+		{
+			genType Tmp = Source - 1;
+			return Tmp + (Multiple - (Tmp % Multiple));
+		}
+		else
+			return Source + (-Source % Multiple);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER detail::half higherMultiple
+	(
+		detail::half const & SourceH, 
+		detail::half const & MultipleH
+	)
+	{
+		float Source = SourceH.toFloat();
+		float Multiple = MultipleH.toFloat();
+
+		int Tmp = int(float(Source)) % int(Multiple);
+		return detail::half(Tmp ? Source + Multiple - float(Tmp) : Source);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER float higherMultiple
+	(	
+		float const & Source, 
+		float const & Multiple
+	)
+	{
+		int Tmp = int(Source) % int(Multiple);
+		return Tmp ? Source + Multiple - float(Tmp) : Source;
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER double higherMultiple
+	(
+		double const & Source, 
+		double const & Multiple
+	)
+	{
+		long Tmp = long(Source) % long(Multiple);
+		return Tmp ? Source + Multiple - double(Tmp) : Source;
+	}
+
+	VECTORIZE_VEC_VEC(higherMultiple)
+
+	//////////////////////
+	// lowerMultiple
+
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER genType lowerMultiple
+	(
+		genType const & Source, 
+		genType const & Multiple
+	)
+	{
+		if (Source >= 0)
+			return Source - Source % Multiple;
+		else
+		{
+			genType Tmp = Source + 1;
+			return Tmp - Tmp % Multiple - Multiple;
+		}
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER detail::half lowerMultiple
+	(
+		detail::half const & SourceH, 
+		detail::half const & MultipleH
+	)
+	{
+		float Source = SourceH.toFloat();
+		float Multiple = MultipleH.toFloat();
+
+		int Tmp = int(float(Source)) % int(float(Multiple));
+		return detail::half(Tmp ? Source - float(Tmp) : Source);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER float lowerMultiple
+	(
+		float const & Source, 
+		float const & Multiple
+	)
+	{
+		int Tmp = int(Source) % int(Multiple);
+		return Tmp ? Source - float(Tmp) : Source;
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER double lowerMultiple
+	(
+		double const & Source, 
+		double const & Multiple
+	)
+	{
+		long Tmp = long(Source) % long(Multiple);
+		return Tmp ? Source - double(Tmp) : Source;
+	}
+
+	VECTORIZE_VEC_VEC(lowerMultiple)
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/noise.hpp b/include/gal/opengl/glm/gtx/noise.hpp
new file mode 100644
index 0000000..f081dac
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/noise.hpp
@@ -0,0 +1,29 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///////////////////////////////////////////////////////////////////////////////////
+
+#if(defined(GLM_MESSAGES))
+#	pragma message("GLM: GLM_GTX_random extension is deprecated, include GLM_GTC_random (glm/gtc/noise.hpp) instead")
+#endif
+
+// Promoted:
+#include "../gtc/noise.hpp"
diff --git a/include/gal/opengl/glm/gtx/norm.hpp b/include/gal/opengl/glm/gtx/norm.hpp
new file mode 100644
index 0000000..2b065f4
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/norm.hpp
@@ -0,0 +1,133 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_norm
+/// @file glm/gtx/norm.hpp
+/// @date 2005-12-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_quaternion (dependence)
+///
+/// @defgroup gtx_norm GLM_GTX_norm
+/// @ingroup gtx
+/// 
+/// @brief Various ways to compute vector norms.
+/// 
+/// <glm/gtx/norm.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_norm
+#define GLM_GTX_norm GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/quaternion.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_norm extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_norm
+	/// @{
+
+	//! Returns the squared length of x.
+	//! From GLM_GTX_norm extension.
+	template <typename T> 
+	T length2(
+		T const & x);
+
+	//! Returns the squared length of x.
+	//! From GLM_GTX_norm extension.
+	template <typename genType> 
+	typename genType::value_type length2(
+		genType const & x);
+		
+	//! Returns the squared length of x.
+	//! From GLM_GTX_norm extension.
+	template <typename T>
+	T length2(
+		detail::tquat<T> const & q);
+
+	//! Returns the squared distance between p0 and p1, i.e., length(p0 - p1).
+	//! From GLM_GTX_norm extension.
+	template <typename T>
+	T distance2(
+		T const & p0, 
+		T const & p1);
+		
+	//! Returns the squared distance between p0 and p1, i.e., length(p0 - p1).
+	//! From GLM_GTX_norm extension.
+	template <typename genType> 
+	typename genType::value_type distance2(
+		genType const & p0, 
+		genType const & p1);
+
+	//! Returns the L1 norm between x and y.
+	//! From GLM_GTX_norm extension.
+	template <typename T>
+	T l1Norm(
+		detail::tvec3<T> const & x,
+		detail::tvec3<T> const & y);
+		
+	//! Returns the L1 norm of v.
+	//! From GLM_GTX_norm extension.
+	template <typename T> 
+	T l1Norm(
+		detail::tvec3<T> const & v);
+		
+	//! Returns the L2 norm between x and y.
+	//! From GLM_GTX_norm extension.
+	template <typename T> 
+	T l2Norm(
+		detail::tvec3<T> const & x, 
+		detail::tvec3<T> const & y);
+		
+	//! Returns the L2 norm of v.
+	//! From GLM_GTX_norm extension.
+	template <typename T> 
+	T l2Norm(
+		detail::tvec3<T> const & x);
+		
+	//! Returns the L norm between x and y.
+	//! From GLM_GTX_norm extension.
+	template <typename T> 
+	T lxNorm(
+		detail::tvec3<T> const & x,
+		detail::tvec3<T> const & y,
+		unsigned int Depth);
+
+	//! Returns the L norm of v.
+	//! From GLM_GTX_norm extension.
+	template <typename T>
+	T lxNorm(
+		detail::tvec3<T> const & x,
+		unsigned int Depth);
+
+	/// @}
+}//namespace glm
+
+#include "norm.inl"
+
+#endif//GLM_GTX_norm
diff --git a/include/gal/opengl/glm/gtx/norm.inl b/include/gal/opengl/glm/gtx/norm.inl
new file mode 100644
index 0000000..427a5a1
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/norm.inl
@@ -0,0 +1,156 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2008-07-24
+// Licence : This source is under MIT License
+// File    : glm/gtx/norm.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T>
+	GLM_FUNC_QUALIFIER T length2
+	(
+		T const & x
+	)
+	{
+		return x * x;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T length2
+	(
+		detail::tvec2<T> const & x
+	)
+	{
+		return dot(x, x);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T length2
+	(
+		detail::tvec3<T> const & x
+	)
+	{
+		return dot(x, x);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T length2
+	(
+		detail::tvec4<T> const & x
+	)
+	{
+		return dot(x, x);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T length2
+	(
+		detail::tquat<T> const & q
+	)
+	{
+		return q.x * q.x + q.y * q.y + q.z * q.z + q.w * q.w;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T distance2
+	(
+		T const & p0, 
+		T const & p1
+	)
+	{
+		return length2(p1 - p0);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T distance2
+	(
+		detail::tvec2<T> const & p0, 
+		detail::tvec2<T> const & p1
+	)
+	{
+		return length2(p1 - p0);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T distance2
+	(
+		detail::tvec3<T> const & p0, 
+		detail::tvec3<T> const & p1
+	)
+	{
+		return length2(p1 - p0);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T distance2
+	(
+		detail::tvec4<T> const & p0, 
+		detail::tvec4<T> const & p1
+	)
+	{
+		return length2(p1 - p0);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T l1Norm
+	(
+		detail::tvec3<T> const & a, 
+		detail::tvec3<T> const & b
+	)
+	{
+		return abs(b.x - a.x) + abs(b.y - a.y) + abs(b.z - a.z);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T l1Norm
+	(
+		detail::tvec3<T> const & v
+	)
+	{
+		return abs(v.x) + abs(v.y) + abs(v.z);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T l2Norm
+	(
+		detail::tvec3<T> const & a, 
+		detail::tvec3<T> const & b
+	)
+	{
+		return length(b - a);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T l2Norm
+	(
+		detail::tvec3<T> const & v
+	)
+	{
+		return length(v);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T lxNorm
+	(
+		detail::tvec3<T> const & x, 
+		detail::tvec3<T> const & y, 
+		unsigned int Depth
+	)
+	{
+		return pow(pow(y.x - x.x, T(Depth)) + pow(y.y - x.y, T(Depth)) + pow(y.z - x.z, T(Depth)), T(1) / T(Depth));
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T lxNorm
+	(
+		detail::tvec3<T> const & v, 
+		unsigned int Depth
+	)
+	{
+		return pow(pow(v.x, T(Depth)) + pow(v.y, T(Depth)) + pow(v.z, T(Depth)), T(1) / T(Depth));
+	}
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/normal.hpp b/include/gal/opengl/glm/gtx/normal.hpp
new file mode 100644
index 0000000..a04e304
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/normal.hpp
@@ -0,0 +1,67 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_normal
+/// @file glm/gtx/normal.hpp
+/// @date 2005-12-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_extented_min_max (dependence)
+///
+/// @defgroup gtx_normal GLM_GTX_normal
+/// @ingroup gtx
+/// 
+/// @brief Compute the normal of a triangle.
+/// 
+/// <glm/gtx/normal.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_normal
+#define GLM_GTX_normal GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_normal extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_normal
+	/// @{
+
+	//! Computes triangle normal from triangle points. 
+	//! From GLM_GTX_normal extension.
+    template <typename T> 
+	detail::tvec3<T> triangleNormal(
+		detail::tvec3<T> const & p1, 
+		detail::tvec3<T> const & p2, 
+		detail::tvec3<T> const & p3);
+
+	/// @}
+}//namespace glm
+
+#include "normal.inl"
+
+#endif//GLM_GTX_normal
diff --git a/include/gal/opengl/glm/gtx/normal.inl b/include/gal/opengl/glm/gtx/normal.inl
new file mode 100644
index 0000000..5aedcc7
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/normal.inl
@@ -0,0 +1,22 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2011-06-07
+// Licence : This source is under MIT License
+// File    : glm/gtx/normal.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> triangleNormal
+	(
+		detail::tvec3<T> const & p1, 
+		detail::tvec3<T> const & p2, 
+		detail::tvec3<T> const & p3
+	)
+	{
+		return normalize(cross(p1 - p2, p1 - p3));
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/normalize_dot.hpp b/include/gal/opengl/glm/gtx/normalize_dot.hpp
new file mode 100644
index 0000000..1ba027a
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/normalize_dot.hpp
@@ -0,0 +1,76 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_normalize_dot
+/// @file glm/gtx/normalize_dot.hpp
+/// @date 2007-09-28 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_fast_square_root (dependence)
+///
+/// @defgroup gtx_normalize_dot GLM_GTX_normalize_dot
+/// @ingroup gtx
+/// 
+/// @brief Dot product of vectors that need to be normalize with a single square root.
+/// 
+/// <glm/gtx/normalized_dot.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_normalize_dot
+#define GLM_GTX_normalize_dot GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/fast_square_root.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_normalize_dot extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_normalize_dot
+	/// @{
+
+	//! Normalize parameters and returns the dot product of x and y.
+	//! It's faster that dot(normalize(x), normalize(y)).
+	//! From GLM_GTX_normalize_dot extension.
+	template <typename genType> 
+	typename genType::value_type normalizeDot(
+		genType const & x, 
+		genType const & y);
+
+	//! Normalize parameters and returns the dot product of x and y.
+	//! Faster that dot(fastNormalize(x), fastNormalize(y)).
+	//! From GLM_GTX_normalize_dot extension.
+	template <typename genType> 
+	typename genType::value_type fastNormalizeDot(
+		genType const & x, 
+		genType const & y);
+
+	/// @}
+}//namespace glm
+
+#include "normalize_dot.inl"
+
+#endif//GLM_GTX_normalize_dot
diff --git a/include/gal/opengl/glm/gtx/normalize_dot.inl b/include/gal/opengl/glm/gtx/normalize_dot.inl
new file mode 100644
index 0000000..5058eac
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/normalize_dot.inl
@@ -0,0 +1,115 @@
+//////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+//////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-09-28
+// Updated : 2008-10-07
+// Licence : This source is under MIT License
+// File    : glm/gtx/normalize_dot.inl
+//////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER genType normalizeDot
+	(
+		genType const & x, 
+		genType const & y
+	)
+	{
+		return 
+			glm::dot(x, y) * 
+			glm::inversesqrt(glm::dot(x, x) * 
+			glm::dot(y, y));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER valType normalizeDot
+	(
+		detail::tvec2<valType> const & x, 
+		detail::tvec2<valType> const & y
+	)
+	{
+		return 
+			glm::dot(x, y) * 
+			glm::inversesqrt(glm::dot(x, x) * 
+			glm::dot(y, y));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER valType normalizeDot
+	(
+		detail::tvec3<valType> const & x, 
+		detail::tvec3<valType> const & y
+	)
+	{
+		return 
+			glm::dot(x, y) * 
+			glm::inversesqrt(glm::dot(x, x) * 
+			glm::dot(y, y));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER valType normalizeDot
+	(
+		detail::tvec4<valType> const & x, 
+		detail::tvec4<valType> const & y
+	)
+	{
+		return 
+			glm::dot(x, y) * 
+			glm::inversesqrt(glm::dot(x, x) * 
+			glm::dot(y, y));
+	}
+
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER genType fastNormalizeDot
+	(
+		genType const & x, 
+		genType const & y
+	)
+	{
+		return 
+			glm::dot(x, y) * 
+			fastInverseSqrt(glm::dot(x, x) * 
+			glm::dot(y, y));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER valType fastNormalizeDot
+	(
+		detail::tvec2<valType> const & x, 
+		detail::tvec2<valType> const & y
+	)
+	{
+		return 
+			glm::dot(x, y) * 
+			fastInverseSqrt(glm::dot(x, x) * 
+			glm::dot(y, y));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER valType fastNormalizeDot
+	(
+		detail::tvec3<valType> const & x, 
+		detail::tvec3<valType> const & y
+	)
+	{
+		return 
+			glm::dot(x, y) * 
+			fastInverseSqrt(glm::dot(x, x) * 
+			glm::dot(y, y));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER valType fastNormalizeDot
+	(
+		detail::tvec4<valType> const & x, 
+		detail::tvec4<valType> const & y
+	)
+	{
+		return 
+			glm::dot(x, y) * 
+			fastInverseSqrt(glm::dot(x, x) * 
+			glm::dot(y, y));
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/number_precision.hpp b/include/gal/opengl/glm/gtx/number_precision.hpp
new file mode 100644
index 0000000..1597936
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/number_precision.hpp
@@ -0,0 +1,88 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_number_precision
+/// @file glm/gtx/number_precision.hpp
+/// @date 2007-05-10 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtc_type_precision (dependence)
+/// @see gtc_quaternion (dependence)
+///
+/// @defgroup gtx_number_precision GLM_GTX_number_precision
+/// @ingroup gtx
+/// 
+/// @brief Defined size types.
+/// 
+/// <glm/gtx/number_precision.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_number_precision
+#define GLM_GTX_number_precision GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtc/type_precision.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_number_precision extension included")
+#endif
+
+namespace glm{
+namespace gtx
+{
+	/////////////////////////////
+	// Unsigned int vector types 
+
+	/// @addtogroup gtx_number_precision
+	/// @{
+
+	typedef u8			u8vec1;		//!< \brief 8bit unsigned integer scalar. (from GLM_GTX_number_precision extension)
+	typedef u16			u16vec1;    //!< \brief 16bit unsigned integer scalar. (from GLM_GTX_number_precision extension)
+	typedef u32			u32vec1;    //!< \brief 32bit unsigned integer scalar. (from GLM_GTX_number_precision extension)
+	typedef u64			u64vec1;    //!< \brief 64bit unsigned integer scalar. (from GLM_GTX_number_precision extension)
+
+	//////////////////////
+	// Float vector types 
+
+	typedef f16			f16vec1;    //!< \brief Half-precision floating-point scalar. (from GLM_GTX_number_precision extension)
+	typedef f32			f32vec1;    //!< \brief Single-precision floating-point scalar. (from GLM_GTX_number_precision extension)
+	typedef f64			f64vec1;    //!< \brief Single-precision floating-point scalar. (from GLM_GTX_number_precision extension)
+
+	//////////////////////
+	// Float matrix types 
+
+	typedef f16			f16mat1;    //!< \brief Half-precision floating-point scalar. (from GLM_GTX_number_precision extension)
+	typedef f16			f16mat1x1;	//!< \brief Half-precision floating-point scalar. (from GLM_GTX_number_precision extension)
+	typedef f32			f32mat1;	//!< \brief Single-precision floating-point scalar. (from GLM_GTX_number_precision extension)
+	typedef f32			f32mat1x1;	//!< \brief Single-precision floating-point scalar. (from GLM_GTX_number_precision extension)
+	typedef f64			f64mat1;	//!< \brief Double-precision floating-point scalar. (from GLM_GTX_number_precision extension)
+	typedef f64			f64mat1x1;	//!< \brief Double-precision floating-point scalar. (from GLM_GTX_number_precision extension)
+
+	/// @}
+}//namespace gtx
+}//namespace glm
+
+#include "number_precision.inl"
+
+#endif//GLM_GTX_number_precision
diff --git a/include/gal/opengl/glm/gtx/number_precision.inl b/include/gal/opengl/glm/gtx/number_precision.inl
new file mode 100644
index 0000000..3981856
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/number_precision.inl
@@ -0,0 +1,13 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-05-10
+// Updated : 2007-05-10
+// Licence : This source is under MIT License
+// File    : glm/gtx/number_precision.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+
+}
diff --git a/include/gal/opengl/glm/gtx/ocl_type.hpp b/include/gal/opengl/glm/gtx/ocl_type.hpp
new file mode 100644
index 0000000..7e8af09
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/ocl_type.hpp
@@ -0,0 +1,132 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_ocl_type
+/// @file glm/gtx/ocl_type.hpp
+/// @date 2009-05-07 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_extented_min_max (dependence)
+///
+/// @defgroup gtx_ocl_type GLM_GTX_ocl_type
+/// @ingroup gtx
+/// 
+/// @brief OpenCL types.
+/// 
+/// <glm/gtx/ocl_type.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_ocl_type
+#define GLM_GTX_ocl_type GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_ocl_type extension included")
+#endif
+
+namespace glm{
+namespace gtx
+{
+	///////////////////////////
+	// Scalar types 
+
+	/// @addtogroup gtx_ocl_type
+	/// @{
+
+	typedef detail::int8						cl_char;		//!< \brief 8bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::int16						cl_short;		//!< \brief 16bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::int32						cl_int;			//!< \brief 32bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::int64						cl_long;		//!< \brief 64bit signed integer. (from GLM_GTX_ocl_type extension)
+
+	typedef detail::uint8						cl_uchar;		//!< \brief 8bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::uint16						cl_ushort;		//!< \brief 16bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::uint32						cl_uint;		//!< \brief 32bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::uint64						cl_ulong;		//!< \brief 64bit signed integer. (from GLM_GTX_ocl_type extension)
+
+	typedef detail::float16						cl_half;	//!< \brief Half-precision floating-point scalar. (from GLM_GTX_ocl_type extension)
+	typedef detail::float32						cl_float;	//!< \brief Single-precision floating-point scalar. (from GLM_GTX_ocl_type extension)
+
+
+	typedef detail::int8						cl_char1;		//!< \brief 8bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::int16						cl_short1;		//!< \brief 16bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::int32						cl_int1;			//!< \brief 32bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::int64						cl_long1;		//!< \brief 64bit signed integer. (from GLM_GTX_ocl_type extension)
+
+	typedef detail::uint8						cl_uchar1;		//!< \brief 8bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::uint16						cl_ushort1;		//!< \brief 16bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::uint32						cl_uint1;		//!< \brief 32bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::uint64						cl_ulong1;		//!< \brief 64bit signed integer. (from GLM_GTX_ocl_type extension)
+
+	//typedef detail::float16					cl_half1;	//!< \brief Half-precision floating-point scalar. (from GLM_GTX_ocl_type extension)
+	typedef detail::float32						cl_float1;	//!< \brief Single-precision floating-point scalar. (from GLM_GTX_ocl_type extension)
+
+
+	typedef detail::tvec2<detail::int8>			cl_char2;		//!< \brief 8bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec2<detail::int16>		cl_short2;		//!< \brief 16bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec2<detail::int32>		cl_int2;			//!< \brief 32bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec2<detail::int64>		cl_long2;		//!< \brief 64bit signed integer. (from GLM_GTX_ocl_type extension)
+
+	typedef detail::tvec2<detail::uint8>		cl_uchar2;		//!< \brief 8bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec2<detail::uint16>		cl_ushort2;		//!< \brief 16bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec2<detail::uint32>		cl_uint2;		//!< \brief 32bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec2<detail::uint64>		cl_ulong2;		//!< \brief 64bit signed integer. (from GLM_GTX_ocl_type extension)
+
+	//typedef detail::tvec2<detail::float16>	cl_half2;	//!< \brief Half-precision floating-point scalar. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec2<detail::float32>		cl_float2;	//!< \brief Single-precision floating-point scalar. (from GLM_GTX_ocl_type extension)
+
+
+	typedef detail::tvec3<detail::int8>			cl_char3;		//!< \brief 8bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec3<detail::int16>		cl_short3;		//!< \brief 16bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec3<detail::int32>		cl_int3;			//!< \brief 32bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec3<detail::int64>		cl_long3;		//!< \brief 64bit signed integer. (from GLM_GTX_ocl_type extension)
+
+	typedef detail::tvec3<detail::uint8>		cl_uchar3;		//!< \brief 8bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec3<detail::uint16>		cl_ushort3;		//!< \brief 16bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec3<detail::uint32>		cl_uint3;		//!< \brief 32bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec3<detail::uint64>		cl_ulong3;		//!< \brief 64bit signed integer. (from GLM_GTX_ocl_type extension)
+
+	//typedef detail::tvec3<detail::float16>	cl_half3;	//!< \brief Half-precision floating-point scalar. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec3<detail::float32>		cl_float3;	//!< \brief Single-precision floating-point scalar. (from GLM_GTX_ocl_type extension)
+
+
+	typedef detail::tvec4<detail::int8>			cl_char4;		//!< \brief 8bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec4<detail::int16>		cl_short4;		//!< \brief 16bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec4<detail::int32>		cl_int4;			//!< \brief 32bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec4<detail::int64>		cl_long4;		//!< \brief 64bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec4<detail::uint8>		cl_uchar4;		//!< \brief 8bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec4<detail::uint16>		cl_ushort4;		//!< \brief 16bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec4<detail::uint32>		cl_uint4;		//!< \brief 32bit signed integer. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec4<detail::uint64>		cl_ulong4;		//!< \brief 64bit signed integer. (from GLM_GTX_ocl_type extension)
+
+	//typedef detail::tvec4<detail::float16>	cl_half4;	//!< \brief Half-precision floating-point scalar. (from GLM_GTX_ocl_type extension)
+	typedef detail::tvec4<detail::float32>		cl_float4;	//!< \brief Single-precision floating-point scalar. (from GLM_GTX_ocl_type extension)
+
+	/// @}
+}//namespace gtx
+}//namespace glm
+
+#include "ocl_type.inl"
+
+#endif//GLM_GTX_ocl_type
diff --git a/include/gal/opengl/glm/gtx/ocl_type.inl b/include/gal/opengl/glm/gtx/ocl_type.inl
new file mode 100644
index 0000000..ac15145
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/ocl_type.inl
@@ -0,0 +1,27 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_ocl_type
+/// @file glm/gtx/ocl_type.inl
+/// @date 2013-03-16 / 2013-03-16
+/// @author Christophe Riccio
+///////////////////////////////////////////////////////////////////////////////////
diff --git a/include/gal/opengl/glm/gtx/optimum_pow.hpp b/include/gal/opengl/glm/gtx/optimum_pow.hpp
new file mode 100644
index 0000000..d348473
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/optimum_pow.hpp
@@ -0,0 +1,91 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_optimum_pow
+/// @file glm/gtx/optimum_pow.hpp
+/// @date 2005-12-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_optimum_pow GLM_GTX_optimum_pow
+/// @ingroup gtx
+/// 
+/// @brief Integer exponentiation of power functions.
+/// 
+/// <glm/gtx/optimum_pow.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_optimum_pow
+#define GLM_GTX_optimum_pow GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_optimum_pow extension included")
+#endif
+
+namespace glm{
+namespace gtx
+{
+	/// @addtogroup gtx_optimum_pow
+	/// @{
+
+	//! Returns x raised to the power of 2.
+	//! From GLM_GTX_optimum_pow extension.
+    template <typename genType> 
+	genType pow2(const genType& x);
+
+	//! Returns x raised to the power of 3.
+	//! From GLM_GTX_optimum_pow extension.
+    template <typename genType> 
+	genType pow3(const genType& x);
+
+	//! Returns x raised to the power of 4.
+	//! From GLM_GTX_optimum_pow extension.
+	template <typename genType> 
+	genType pow4(const genType& x);
+        
+	//! Checks if the parameter is a power of 2 number. 
+	//! From GLM_GTX_optimum_pow extension.
+    bool powOfTwo(int num);
+
+	//! Checks to determine if the parameter component are power of 2 numbers.
+	//! From GLM_GTX_optimum_pow extension.
+    detail::tvec2<bool> powOfTwo(const detail::tvec2<int>& x);
+
+	//! Checks to determine if the parameter component are power of 2 numbers. 
+	//! From GLM_GTX_optimum_pow extension.
+    detail::tvec3<bool> powOfTwo(const detail::tvec3<int>& x);
+
+	//! Checks to determine if the parameter component are power of 2 numbers. 
+	//! From GLM_GTX_optimum_pow extension.
+    detail::tvec4<bool> powOfTwo(const detail::tvec4<int>& x);
+
+	/// @}
+}//namespace gtx
+}//namespace glm
+
+#include "optimum_pow.inl"
+
+#endif//GLM_GTX_optimum_pow
diff --git a/include/gal/opengl/glm/gtx/optimum_pow.inl b/include/gal/opengl/glm/gtx/optimum_pow.inl
new file mode 100644
index 0000000..1e6f226
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/optimum_pow.inl
@@ -0,0 +1,58 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2005-12-27
+// Licence : This source is under MIT License
+// File    : glm/gtx/optimum_pow.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER genType pow2(const genType& x)
+	{
+		return x * x;
+	}
+
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER genType pow3(const genType& x)
+	{
+		return x * x * x;
+	}
+
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER genType pow4(const genType& x)
+	{
+		return x * x * x * x;
+	}
+
+	GLM_FUNC_QUALIFIER bool powOfTwo(int x)
+	{
+		return !(x & (x - 1));
+	}
+
+	GLM_FUNC_QUALIFIER detail::tvec2<bool> powOfTwo(const detail::tvec2<int>& x)
+	{
+		return detail::tvec2<bool>(
+			powOfTwo(x.x),
+			powOfTwo(x.y));
+	}
+
+	GLM_FUNC_QUALIFIER detail::tvec3<bool> powOfTwo(const detail::tvec3<int>& x)
+	{
+		return detail::tvec3<bool>(
+			powOfTwo(x.x),
+			powOfTwo(x.y),
+			powOfTwo(x.z));
+	}
+
+	GLM_FUNC_QUALIFIER detail::tvec4<bool> powOfTwo(const detail::tvec4<int>& x)
+	{
+		return detail::tvec4<bool>(
+			powOfTwo(x.x),
+			powOfTwo(x.y),
+			powOfTwo(x.z),
+			powOfTwo(x.w));
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/orthonormalize.hpp b/include/gal/opengl/glm/gtx/orthonormalize.hpp
new file mode 100644
index 0000000..9f97f66
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/orthonormalize.hpp
@@ -0,0 +1,72 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_orthonormalize
+/// @file glm/gtx/orthonormalize.hpp
+/// @date 2005-12-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_extented_min_max (dependence)
+///
+/// @defgroup gtx_orthonormalize GLM_GTX_orthonormalize
+/// @ingroup gtx
+/// 
+/// @brief Orthonormalize matrices.
+/// 
+/// <glm/gtx/orthonormalize.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_orthonormalize
+#define GLM_GTX_orthonormalize GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_orthonormalize extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_orthonormalize
+	/// @{
+
+	//! Returns the orthonormalized matrix of m.
+	//! From GLM_GTX_orthonormalize extension.
+	template <typename T> 
+	detail::tmat3x3<T> orthonormalize(
+		const detail::tmat3x3<T>& m);
+		
+    //! Orthonormalizes x according y.
+	//! From GLM_GTX_orthonormalize extension.
+	template <typename T> 
+	detail::tvec3<T> orthonormalize(
+		const detail::tvec3<T>& x, 
+		const detail::tvec3<T>& y);
+
+	/// @}
+}//namespace glm
+
+#include "orthonormalize.inl"
+
+#endif//GLM_GTX_orthonormalize
diff --git a/include/gal/opengl/glm/gtx/orthonormalize.inl b/include/gal/opengl/glm/gtx/orthonormalize.inl
new file mode 100644
index 0000000..ea9ff7f
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/orthonormalize.inl
@@ -0,0 +1,43 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2005-12-21
+// Licence : This source is under MIT License
+// File    : glm/gtx/orthonormalize.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> orthonormalize
+	(
+		const detail::tmat3x3<T>& m
+	)
+	{
+		detail::tmat3x3<T> r = m;
+
+		r[0] = normalize(r[0]);
+
+		float d0 = dot(r[0], r[1]);
+		r[1] -= r[0] * d0;
+		r[1] = normalize(r[1]);
+
+		float d1 = dot(r[1], r[2]);
+		d0 = dot(r[0], r[2]);
+		r[2] -= r[0] * d0 + r[1] * d1;
+		r[2] = normalize(r[2]);
+
+		return r;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> orthonormalize
+	(
+		const detail::tvec3<T>& x, 
+		const detail::tvec3<T>& y
+	)
+	{
+		return normalize(x - y * dot(y, x));
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/perpendicular.hpp b/include/gal/opengl/glm/gtx/perpendicular.hpp
new file mode 100644
index 0000000..f6515ab
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/perpendicular.hpp
@@ -0,0 +1,67 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_perpendicular
+/// @file glm/gtx/perpendicular.hpp
+/// @date 2005-12-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_projection (dependence)
+///
+/// @defgroup gtx_perpendicular GLM_GTX_perpendicular
+/// @ingroup gtx
+/// 
+/// @brief Perpendicular of a vector from other one
+/// 
+/// <glm/gtx/perpendicular.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_perpendicular
+#define GLM_GTX_perpendicular GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/projection.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_perpendicular extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_perpendicular
+	/// @{
+
+	//! Projects x a perpendicular axis of Normal.
+	//! From GLM_GTX_perpendicular extension.
+	template <typename vecType> 
+	vecType perp(
+		vecType const & x, 
+		vecType const & Normal);
+
+	/// @}
+}//namespace glm
+
+#include "perpendicular.inl"
+
+#endif//GLM_GTX_perpendicular
diff --git a/include/gal/opengl/glm/gtx/perpendicular.inl b/include/gal/opengl/glm/gtx/perpendicular.inl
new file mode 100644
index 0000000..c96812a
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/perpendicular.inl
@@ -0,0 +1,21 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2009-03-06
+// Licence : This source is under MIT License
+// File    : glm/gtx/perpendicular.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename vecType> 
+	GLM_FUNC_QUALIFIER vecType perp
+	(
+		vecType const & x, 
+		vecType const & Normal
+	)
+	{
+		return x - proj(x, Normal);
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/polar_coordinates.hpp b/include/gal/opengl/glm/gtx/polar_coordinates.hpp
new file mode 100644
index 0000000..1cba486
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/polar_coordinates.hpp
@@ -0,0 +1,72 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_polar_coordinates
+/// @file glm/gtx/polar_coordinates.hpp
+/// @date 2007-03-06 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_polar_coordinates GLM_GTX_polar_coordinates
+/// @ingroup gtx
+/// 
+/// @brief Conversion from Euclidean space to polar space and revert.
+/// 
+/// <glm/gtx/polar_coordinates.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_polar_coordinates
+#define GLM_GTX_polar_coordinates GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_polar_coordinates extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_polar_coordinates
+	/// @{
+
+	/// Convert Euclidean to Polar coordinates, x is the xz distance, y, the latitude and z the longitude.
+	///
+	/// @see gtx_polar_coordinates
+	template <typename T> 
+	detail::tvec3<T> polar(
+		detail::tvec3<T> const & euclidean);
+
+	/// Convert Polar to Euclidean coordinates.
+	///
+	/// @see gtx_polar_coordinates
+	template <typename T> 
+	detail::tvec3<T> euclidean(
+		detail::tvec2<T> const & polar);
+
+	/// @}
+}//namespace glm
+
+#include "polar_coordinates.inl"
+
+#endif//GLM_GTX_polar_coordinates
diff --git a/include/gal/opengl/glm/gtx/polar_coordinates.inl b/include/gal/opengl/glm/gtx/polar_coordinates.inl
new file mode 100644
index 0000000..376a31c
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/polar_coordinates.inl
@@ -0,0 +1,55 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-03-06
+// Updated : 2009-05-01
+// Licence : This source is under MIT License
+// File    : glm/gtx/polar_coordinates.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> polar
+	(
+		detail::tvec3<T> const & euclidean
+	)
+	{
+		T const Length(length(euclidean));
+		detail::tvec3<T> const tmp(euclidean / Length);
+		T const xz_dist(sqrt(tmp.x * tmp.x + tmp.z * tmp.z));
+
+#ifdef GLM_FORCE_RADIANS
+		return detail::tvec3<T>(
+			atan(xz_dist, tmp.y),	// latitude
+			atan(tmp.x, tmp.z),		// longitude
+			xz_dist);				// xz distance
+#else
+		return detail::tvec3<T>(
+			degrees(atan(xz_dist, tmp.y)),	// latitude
+			degrees(atan(tmp.x, tmp.z)),	// longitude
+			xz_dist);						// xz distance
+#endif
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> euclidean
+	(
+		detail::tvec2<T> const & polar
+	)
+	{
+#ifdef GLM_FORCE_RADIANS
+		T const latitude(polar.x);
+		T const longitude(polar.y);
+#else
+		T const latitude(radians(polar.x));
+		T const longitude(radians(polar.y));
+#endif
+
+		return detail::tvec3<T>(
+			cos(latitude) * sin(longitude),
+			sin(latitude),
+			cos(latitude) * cos(longitude));
+	}
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/projection.hpp b/include/gal/opengl/glm/gtx/projection.hpp
new file mode 100644
index 0000000..6e20922
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/projection.hpp
@@ -0,0 +1,65 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_projection
+/// @file glm/gtx/projection.hpp
+/// @date 2005-12-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_projection GLM_GTX_projection
+/// @ingroup gtx
+/// 
+/// @brief Projection of a vector to other one
+/// 
+/// <glm/gtx/projection.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_projection
+#define GLM_GTX_projection GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_projection extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_projection
+	/// @{
+
+	//! Projects x on Normal.
+	//! From GLM_GTX_projection extension.
+	template <typename vecType> 
+	vecType proj(
+		vecType const & x, 
+		vecType const & Normal);
+
+	/// @}
+}//namespace glm
+
+#include "projection.inl"
+
+#endif//GLM_GTX_projection
diff --git a/include/gal/opengl/glm/gtx/projection.inl b/include/gal/opengl/glm/gtx/projection.inl
new file mode 100644
index 0000000..4107d89
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/projection.inl
@@ -0,0 +1,21 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2009-03-06
+// Licence : This source is under MIT License
+// File    : glm/gtx/projection.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename vecType> 
+	GLM_FUNC_QUALIFIER vecType proj
+	(
+		vecType const & x, 
+		vecType const & Normal
+	)
+	{
+		return glm::dot(x, Normal) / glm::dot(Normal, Normal) * Normal;
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/quaternion.hpp b/include/gal/opengl/glm/gtx/quaternion.hpp
new file mode 100644
index 0000000..3c9e8b0
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/quaternion.hpp
@@ -0,0 +1,195 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_quaternion
+/// @file glm/gtx/quaternion.hpp
+/// @date 2005-12-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_extented_min_max (dependence)
+///
+/// @defgroup gtx_quaternion GLM_GTX_quaternion
+/// @ingroup gtx
+/// 
+/// @brief Extented quaternion types and functions
+/// 
+/// <glm/gtx/quaternion.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_quaternion
+#define GLM_GTX_quaternion GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtc/quaternion.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_quaternion extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_quaternion
+	/// @{
+
+	//! Compute a cross product between a quaternion and a vector. 
+	///
+	/// @see gtx_quaternion
+	template <typename valType> 
+	detail::tvec3<valType> cross(
+		detail::tquat<valType> const & q, 
+		detail::tvec3<valType> const & v);
+
+	//! Compute a cross product between a vector and a quaternion.
+	///
+	/// @see gtx_quaternion
+	template <typename valType> 
+	detail::tvec3<valType> cross(
+		detail::tvec3<valType> const & v, 
+		detail::tquat<valType> const & q);
+
+	//! Compute a point on a path according squad equation. 
+	//! q1 and q2 are control points; s1 and s2 are intermediate control points.
+	///
+	/// @see gtx_quaternion
+	template <typename valType> 
+	detail::tquat<valType> squad(
+		detail::tquat<valType> const & q1, 
+		detail::tquat<valType> const & q2, 
+		detail::tquat<valType> const & s1, 
+		detail::tquat<valType> const & s2, 
+		valType const & h);
+
+	//! Returns an intermediate control point for squad interpolation.
+	///
+	/// @see gtx_quaternion
+	template <typename valType> 
+	detail::tquat<valType> intermediate(
+		detail::tquat<valType> const & prev, 
+		detail::tquat<valType> const & curr, 
+		detail::tquat<valType> const & next);
+
+	//! Returns a exp of a quaternion. 
+	///
+	/// @see gtx_quaternion
+    template <typename valType> 
+	detail::tquat<valType> exp(
+		detail::tquat<valType> const & q);
+
+	//! Returns a log of a quaternion. 
+	///
+	/// @see gtx_quaternion
+    template <typename valType> 
+	detail::tquat<valType> log(
+		detail::tquat<valType> const & q);
+
+	/// Returns x raised to the y power.
+	///
+	/// @see gtx_quaternion
+    template <typename valType> 
+	detail::tquat<valType> pow(
+		detail::tquat<valType> const & x, 
+		valType const & y);
+
+	//! Returns quarternion square root.
+	///
+	/// @see gtx_quaternion
+	//template <typename valType> 
+	//detail::tquat<valType> sqrt(
+	//	detail::tquat<valType> const & q);
+
+	//! Rotates a 3 components vector by a quaternion. 
+	///
+	/// @see gtx_quaternion
+	template <typename valType> 
+	detail::tvec3<valType> rotate(
+		detail::tquat<valType> const & q, 
+		detail::tvec3<valType> const & v);
+
+	/// Rotates a 4 components vector by a quaternion.
+	///
+	/// @see gtx_quaternion
+	template <typename valType> 
+	detail::tvec4<valType> rotate(
+		detail::tquat<valType> const & q, 
+		detail::tvec4<valType> const & v);
+
+	/// Extract the real component of a quaternion.
+	///
+	/// @see gtx_quaternion
+	template <typename valType> 
+	valType extractRealComponent(
+		detail::tquat<valType> const & q);
+
+	/// Converts a quaternion to a 3 * 3 matrix. 
+	///
+	/// @see gtx_quaternion
+	template <typename valType> 
+	detail::tmat3x3<valType> toMat3(
+		detail::tquat<valType> const & x){return mat3_cast(x);}
+
+	/// Converts a quaternion to a 4 * 4 matrix. 
+	///
+	/// @see gtx_quaternion
+	template <typename valType> 
+	detail::tmat4x4<valType> toMat4(
+		detail::tquat<valType> const & x){return mat4_cast(x);}
+
+	/// Converts a 3 * 3 matrix to a quaternion. 
+	///
+	/// @see gtx_quaternion
+	template <typename valType> 
+	detail::tquat<valType> toQuat(
+		detail::tmat3x3<valType> const & x){return quat_cast(x);}
+
+	/// Converts a 4 * 4 matrix to a quaternion. 
+	///
+	/// @see gtx_quaternion
+	template <typename valType> 
+	detail::tquat<valType> toQuat(
+		detail::tmat4x4<valType> const & x){return quat_cast(x);}
+
+	/// Quaternion interpolation using the rotation short path. 
+	///
+	/// @see gtx_quaternion
+	template <typename T>
+	detail::tquat<T> shortMix(
+		detail::tquat<T> const & x, 
+		detail::tquat<T> const & y, 
+		T const & a);
+
+	/// Quaternion normalized linear interpolation. 
+	///
+	/// @see gtx_quaternion
+	template <typename T>
+	detail::tquat<T> fastMix(
+		detail::tquat<T> const & x, 
+		detail::tquat<T> const & y, 
+		T const & a);
+
+	/// @}
+}//namespace glm
+
+#include "quaternion.inl"
+
+#endif//GLM_GTX_quaternion
diff --git a/include/gal/opengl/glm/gtx/quaternion.inl b/include/gal/opengl/glm/gtx/quaternion.inl
new file mode 100644
index 0000000..32155ce
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/quaternion.inl
@@ -0,0 +1,208 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2008-11-27
+// Licence : This source is under MIT License
+// File    : glm/gtx/quaternion.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#include <limits>
+
+namespace glm
+{
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tvec3<valType> cross
+	(
+		detail::tvec3<valType> const & v, 
+		detail::tquat<valType> const & q
+	)
+	{
+		return inverse(q) * v;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tvec3<valType> cross
+	(
+		detail::tquat<valType> const & q, 
+		detail::tvec3<valType> const & v
+	)
+	{
+		return q * v;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tquat<T> squad
+	(
+		detail::tquat<T> const & q1, 
+		detail::tquat<T> const & q2, 
+		detail::tquat<T> const & s1, 
+		detail::tquat<T> const & s2, 
+		T const & h)
+	{
+		return mix(mix(q1, q2, h), mix(s1, s2, h), T(2) * (T(1) - h) * h);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tquat<T> intermediate
+	(
+		detail::tquat<T> const & prev, 
+		detail::tquat<T> const & curr, 
+		detail::tquat<T> const & next
+	)
+	{
+		detail::tquat<T> invQuat = inverse(curr);
+		return exp((log(next + invQuat) + log(prev + invQuat)) / T(-4)) * curr;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tquat<T> exp
+	(
+		detail::tquat<T> const & q
+	)
+	{
+		detail::tvec3<T> u(q.x, q.y, q.z);
+		float Angle = glm::length(u);
+		detail::tvec3<T> v(u / Angle);
+		return detail::tquat<T>(cos(Angle), sin(Angle) * v);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tquat<T> log
+	(
+		detail::tquat<T> const & q
+	)
+	{
+		if((q.x == T(0)) && (q.y == T(0)) && (q.z == T(0)))
+		{
+			if(q.w > T(0))
+				return detail::tquat<T>(log(q.w), T(0), T(0), T(0));
+			else if(q.w < T(0))
+				return detail::tquat<T>(log(-q.w), T(3.1415926535897932384626433832795), T(0),T(0));
+			else
+				return detail::tquat<T>(std::numeric_limits<T>::infinity(), std::numeric_limits<T>::infinity(), std::numeric_limits<T>::infinity(), std::numeric_limits<T>::infinity());
+		} 
+		else 
+		{
+			T Vec3Len = sqrt(q.x * q.x + q.y * q.y + q.z * q.z);
+			T QuatLen = sqrt(Vec3Len * Vec3Len + q.w * q.w);
+			T t = atan(Vec3Len, T(q.w)) / Vec3Len;
+			return detail::tquat<T>(t * q.x, t * q.y, t * q.z, log(QuatLen));
+		}
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tquat<T> pow
+	(
+		detail::tquat<T> const & x, 
+		T const & y
+	)
+	{
+		if(abs(x.w) > T(0.9999))
+			return x;
+		float Angle = acos(y);
+		float NewAngle = Angle * y;
+		float Div = sin(NewAngle) / sin(Angle);
+		return detail::tquat<T>(
+			cos(NewAngle),
+			x.x * Div,
+			x.y * Div,
+			x.z * Div);
+	}
+
+	//template <typename T> 
+	//GLM_FUNC_QUALIFIER detail::tquat<T> sqrt
+	//(
+	//	detail::tquat<T> const & q
+	//)
+	//{
+	//	T q0 = T(1) - dot(q, q);
+	//	return T(2) * (T(1) + q0) * q;
+	//}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> rotate
+	(
+		detail::tquat<T> const & q, 
+		detail::tvec3<T> const & v
+	)
+	{
+		return q * v;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec4<T> rotate
+	(
+		detail::tquat<T> const & q, 
+		detail::tvec4<T> const & v
+	)
+	{
+		return q * v;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T extractRealComponent
+	(
+		detail::tquat<T> const & q
+	)
+	{
+		T w = T(1.0) - q.x * q.x - q.y * q.y - q.z * q.z;
+		if(w < T(0))
+			return T(0);
+		else
+			return -sqrt(w);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tquat<T> shortMix
+	(
+		detail::tquat<T> const & x, 
+		detail::tquat<T> const & y, 
+		T const & a
+	)
+	{
+		if(a <= typename detail::tquat<T>::value_type(0)) return x;
+		if(a >= typename detail::tquat<T>::value_type(1)) return y;
+
+		T fCos = dot(x, y);
+		detail::tquat<T> y2(y); //BUG!!! tquat<T> y2;
+		if(fCos < T(0))
+		{
+			y2 = -y;
+			fCos = -fCos;
+		}
+
+		//if(fCos > 1.0f) // problem
+		T k0, k1;
+		if(fCos > T(0.9999))
+		{
+			k0 = T(1) - a;
+			k1 = T(0) + a; //BUG!!! 1.0f + a;
+		}
+		else
+		{
+			T fSin = sqrt(T(1) - fCos * fCos);
+			T fAngle = atan(fSin, fCos);
+			T fOneOverSin = T(1) / fSin;
+			k0 = sin((T(1) - a) * fAngle) * fOneOverSin;
+			k1 = sin((T(0) + a) * fAngle) * fOneOverSin;
+		}
+
+		return detail::tquat<T>(
+			k0 * x.w + k1 * y2.w,
+			k0 * x.x + k1 * y2.x,
+			k0 * x.y + k1 * y2.y,
+			k0 * x.z + k1 * y2.z);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tquat<T> fastMix
+	(
+		detail::tquat<T> const & x, 
+		detail::tquat<T> const & y, 
+		T const & a
+	)
+	{
+		return glm::normalize(x * (T(1) - a) + (y * a));
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/random.hpp b/include/gal/opengl/glm/gtx/random.hpp
new file mode 100644
index 0000000..a23d894
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/random.hpp
@@ -0,0 +1,29 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///////////////////////////////////////////////////////////////////////////////////
+
+#if(defined(GLM_MESSAGES))
+#	pragma message("GLM: GLM_GTX_random extension is deprecated, include GLM_GTC_random instead")
+#endif
+
+// Promoted:
+#include "../gtc/random.hpp"
diff --git a/include/gal/opengl/glm/gtx/raw_data.hpp b/include/gal/opengl/glm/gtx/raw_data.hpp
new file mode 100644
index 0000000..4ec6cf0
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/raw_data.hpp
@@ -0,0 +1,75 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_raw_data
+/// @file glm/gtx/raw_data.hpp
+/// @date 2008-11-19 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_raw_data GLM_GTX_raw_data
+/// @ingroup gtx
+/// 
+/// @brief Projection of a vector to other one
+/// 
+/// <glm/gtx/raw_data.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_raw_data
+#define GLM_GTX_raw_data GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtc/type_precision.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_raw_data extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_raw_data
+	/// @{
+
+	//! Type for byte numbers. 
+	//! From GLM_GTX_raw_data extension.
+	typedef uint8		byte;
+
+	//! Type for word numbers. 
+	//! From GLM_GTX_raw_data extension.
+	typedef uint16		word;
+
+	//! Type for dword numbers. 
+	//! From GLM_GTX_raw_data extension.
+	typedef uint32		dword;
+
+	//! Type for qword numbers. 
+	//! From GLM_GTX_raw_data extension.
+	typedef uint64		qword;
+
+	/// @}
+}// namespace glm
+
+#include "raw_data.inl"
+
+#endif//GLM_GTX_raw_data
diff --git a/include/gal/opengl/glm/gtx/raw_data.inl b/include/gal/opengl/glm/gtx/raw_data.inl
new file mode 100644
index 0000000..526e3cd
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/raw_data.inl
@@ -0,0 +1,11 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2008-11-19
+// Updated : 2008-11-19
+// Licence : This source is under MIT License
+// File    : glm/gtx/raw_data.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+///////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/include/gal/opengl/glm/gtx/reciprocal.hpp b/include/gal/opengl/glm/gtx/reciprocal.hpp
new file mode 100644
index 0000000..3519861
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/reciprocal.hpp
@@ -0,0 +1,26 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///////////////////////////////////////////////////////////////////////////////////
+
+#if(defined(GLM_MESSAGES))
+#	pragma message("GLM: GLM_GTX_reciprocal extension is deprecated, include GLM_GTC_reciprocal instead")
+#endif
diff --git a/include/gal/opengl/glm/gtx/rotate_vector.hpp b/include/gal/opengl/glm/gtx/rotate_vector.hpp
new file mode 100644
index 0000000..70c5e03
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/rotate_vector.hpp
@@ -0,0 +1,132 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_rotate_vector
+/// @file glm/gtx/rotate_vector.hpp
+/// @date 2006-11-02 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_transform (dependence)
+///
+/// @defgroup gtx_rotate_vector GLM_GTX_rotate_vector
+/// @ingroup gtx
+/// 
+/// @brief Function to directly rotate a vector
+/// 
+/// <glm/gtx/rotate_vector.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_rotate_vector
+#define GLM_GTX_rotate_vector GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/transform.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_rotate_vector extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_rotate_vector
+	/// @{
+
+	//! Rotate a two dimensional vector.
+	//! From GLM_GTX_rotate_vector extension.
+	template <typename T> 
+	detail::tvec2<T> rotate(
+        detail::tvec2<T> const & v, 
+		T const & angle);
+		
+	//! Rotate a three dimensional vector around an axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template <typename T> 
+	detail::tvec3<T> rotate(
+        detail::tvec3<T> const & v, 
+		T const & angle, 
+        detail::tvec3<T> const & normal);
+		
+	//! Rotate a four dimensional vector around an axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template <typename T> 
+	detail::tvec4<T> rotate(
+        detail::tvec4<T> const & v, 
+        T const & angle, 
+		detail::tvec3<T> const & normal);
+		
+	//! Rotate a three dimensional vector around the X axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template <typename T> 
+	detail::tvec3<T> rotateX(
+        detail::tvec3<T> const & v, 
+		T const & angle);
+
+	//! Rotate a three dimensional vector around the Y axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template <typename T> 
+	detail::tvec3<T> rotateY(
+		detail::tvec3<T> const & v, 
+		T const & angle);
+		
+	//! Rotate a three dimensional vector around the Z axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template <typename T> 
+	detail::tvec3<T> rotateZ(
+        detail::tvec3<T> const & v, 
+		T const & angle);
+		
+	//! Rotate a four dimentionnals vector around the X axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template <typename T> 
+	detail::tvec4<T> rotateX(
+        detail::tvec4<T> const & v, 
+		T const & angle);
+		
+	//! Rotate a four dimensional vector around the X axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template <typename T> 
+	detail::tvec4<T> rotateY(
+        detail::tvec4<T> const & v, 
+		T const & angle);
+		
+	//! Rotate a four dimensional vector around the X axis. 
+	//! From GLM_GTX_rotate_vector extension.
+	template <typename T> 
+	detail::tvec4<T> rotateZ(
+        detail::tvec4<T> const & v, 
+		T const & angle);
+		
+	//! Build a rotation matrix from a normal and a up vector.
+	//! From GLM_GTX_rotate_vector extension.
+	template <typename T> 
+	detail::tmat4x4<T> orientation(
+        detail::tvec3<T> const & Normal, 
+        detail::tvec3<T> const & Up);
+
+	/// @}
+}//namespace glm
+
+#include "rotate_vector.inl"
+
+#endif//GLM_GTX_rotate_vector
diff --git a/include/gal/opengl/glm/gtx/rotate_vector.inl b/include/gal/opengl/glm/gtx/rotate_vector.inl
new file mode 100644
index 0000000..1ec1717
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/rotate_vector.inl
@@ -0,0 +1,215 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2006-11-02
+// Updated : 2009-02-19
+// Licence : This source is under MIT License
+// File    : glm/gtx/rotate_vector.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec2<T> rotate
+	(
+		detail::tvec2<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec2<T> Result;
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos = cos(radians(angle));
+		T const Sin = sin(radians(angle));
+#endif
+		Result.x = v.x * Cos - v.y * Sin;
+		Result.y = v.x * Sin + v.y * Cos;
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> rotate
+	(
+		detail::tvec3<T> const & v, 
+		T const & angle, 
+		detail::tvec3<T> const & normal
+	)
+	{
+		return detail::tmat3x3<T>(glm::rotate(angle, normal)) * v;
+	}
+	/*
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> rotateGTX(
+		const detail::tvec3<T>& x, 
+		T angle, 
+		const detail::tvec3<T>& normal)
+	{
+		const T Cos = cos(radians(angle));
+		const T Sin = sin(radians(angle));
+		return x * Cos + ((x * normal) * (T(1) - Cos)) * normal + cross(x, normal) * Sin;
+	}
+	*/
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec4<T> rotate
+	(
+		detail::tvec4<T> const & v, 
+		T const & angle, 
+		detail::tvec3<T> const & normal
+	)
+	{
+		return rotate(angle, normal) * v;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec3<T> rotateX
+	(
+		detail::tvec3<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec3<T> Result(v);
+
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos = cos(radians(angle));
+		T const Sin = sin(radians(angle));
+#endif
+
+		Result.y = v.y * Cos - v.z * Sin;
+		Result.z = v.y * Sin + v.z * Cos;
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec3<T> rotateY
+	(
+		detail::tvec3<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec3<T> Result = v;
+
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos(cos(radians(angle)));
+		T const Sin(sin(radians(angle)));
+#endif
+
+		Result.x =  v.x * Cos + v.z * Sin;
+		Result.z = -v.x * Sin + v.z * Cos;
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec3<T> rotateZ
+	(
+		detail::tvec3<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec3<T> Result = v;
+
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos(cos(radians(angle)));
+		T const Sin(sin(radians(angle)));
+#endif
+
+		Result.x = v.x * Cos - v.y * Sin;
+		Result.y = v.x * Sin + v.y * Cos;
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec4<T> rotateX
+	(
+		detail::tvec4<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec4<T> Result = v;
+
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos(cos(radians(angle)));
+		T const Sin(sin(radians(angle)));
+#endif
+
+		Result.y = v.y * Cos - v.z * Sin;
+		Result.z = v.y * Sin + v.z * Cos;
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec4<T> rotateY
+	(
+		detail::tvec4<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec4<T> Result = v;
+
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos(cos(radians(angle)));
+		T const Sin(sin(radians(angle)));
+#endif
+
+		Result.x =  v.x * Cos + v.z * Sin;
+		Result.z = -v.x * Sin + v.z * Cos;
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec4<T> rotateZ
+	(
+		detail::tvec4<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec4<T> Result = v;
+
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos(cos(radians(angle)));
+		T const Sin(sin(radians(angle)));
+#endif
+
+		Result.x = v.x * Cos - v.y * Sin;
+		Result.y = v.x * Sin + v.y * Cos;
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> orientation
+	(
+		detail::tvec3<T> const & Normal, 
+		detail::tvec3<T> const & Up
+	)
+	{
+		if(all(equal(Normal, Up)))
+			return detail::tmat4x4<T>(T(1));
+
+		detail::tvec3<T> RotationAxis = cross(Up, Normal);
+#		ifdef GLM_FORCE_RADIANS
+			T Angle = acos(dot(Normal, Up));
+#		else
+			T Angle = degrees(acos(dot(Normal, Up)));
+#		endif
+		return rotate(Angle, RotationAxis);
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/simd_mat4.hpp b/include/gal/opengl/glm/gtx/simd_mat4.hpp
new file mode 100644
index 0000000..b435b11
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/simd_mat4.hpp
@@ -0,0 +1,206 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_simd_vec4
+/// @file glm/gtx/simd_vec4.hpp
+/// @date 2009-05-07 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_simd_mat4 GLM_GTX_simd_mat4
+/// @ingroup gtx
+/// 
+/// @brief SIMD implementation of mat4 type.
+/// 
+/// <glm/gtx/simd_mat4.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_simd_mat4
+#define GLM_GTX_simd_mat4 GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(GLM_ARCH != GLM_ARCH_PURE)
+
+#if(GLM_ARCH & GLM_ARCH_SSE2)
+#	include "../core/intrinsic_matrix.hpp"
+#	include "../gtx/simd_vec4.hpp"
+#else
+#	error "GLM: GLM_GTX_simd_mat4 requires compiler support of SSE2 through intrinsics"
+#endif
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_simd_mat4 extension included")
+#endif
+
+namespace glm{
+namespace detail
+{
+	/// 4x4 Matrix implemented using SIMD SEE intrinsics.
+	/// \ingroup gtx_simd_mat4
+	GLM_ALIGNED_STRUCT(16) fmat4x4SIMD
+	{
+		enum ctor{null};
+
+		typedef float value_type;
+		typedef fvec4SIMD col_type;
+		typedef fvec4SIMD row_type;
+		typedef std::size_t size_type;
+		static size_type value_size();
+		static size_type col_size();
+		static size_type row_size();
+		static bool is_matrix();
+
+		fvec4SIMD Data[4];
+
+		//////////////////////////////////////
+		// Constructors
+
+		fmat4x4SIMD();
+		explicit fmat4x4SIMD(float const & s);
+		explicit fmat4x4SIMD(
+			float const & x0, float const & y0, float const & z0, float const & w0,
+			float const & x1, float const & y1, float const & z1, float const & w1,
+			float const & x2, float const & y2, float const & z2, float const & w2,
+			float const & x3, float const & y3, float const & z3, float const & w3);
+		explicit fmat4x4SIMD(
+			fvec4SIMD const & v0,
+			fvec4SIMD const & v1,
+			fvec4SIMD const & v2,
+			fvec4SIMD const & v3);
+		explicit fmat4x4SIMD(
+			tmat4x4<float> const & m);
+        explicit fmat4x4SIMD(
+            __m128 const in[4]);
+
+		// Conversions
+		//template <typename U> 
+		//explicit tmat4x4(tmat4x4<U> const & m);
+
+		//explicit tmat4x4(tmat2x2<T> const & x);
+		//explicit tmat4x4(tmat3x3<T> const & x);
+		//explicit tmat4x4(tmat2x3<T> const & x);
+		//explicit tmat4x4(tmat3x2<T> const & x);
+		//explicit tmat4x4(tmat2x4<T> const & x);
+		//explicit tmat4x4(tmat4x2<T> const & x);
+		//explicit tmat4x4(tmat3x4<T> const & x);
+		//explicit tmat4x4(tmat4x3<T> const & x);
+
+		// Accesses
+		fvec4SIMD & operator[](size_type i);
+		fvec4SIMD const & operator[](size_type i) const;
+
+		// Unary updatable operators
+		fmat4x4SIMD & operator= (fmat4x4SIMD const & m);
+		fmat4x4SIMD & operator+= (float const & s);
+		fmat4x4SIMD & operator+= (fmat4x4SIMD const & m);
+		fmat4x4SIMD & operator-= (float const & s);
+		fmat4x4SIMD & operator-= (fmat4x4SIMD const & m);
+		fmat4x4SIMD & operator*= (float const & s);
+		fmat4x4SIMD & operator*= (fmat4x4SIMD const & m);
+		fmat4x4SIMD & operator/= (float const & s);
+		fmat4x4SIMD & operator/= (fmat4x4SIMD const & m);
+		fmat4x4SIMD & operator++ ();
+		fmat4x4SIMD & operator-- ();
+	};
+
+	// Binary operators
+	fmat4x4SIMD operator+ (fmat4x4SIMD const & m, float const & s);
+	fmat4x4SIMD operator+ (float const & s, fmat4x4SIMD const & m);
+	fmat4x4SIMD operator+ (fmat4x4SIMD const & m1, fmat4x4SIMD const & m2);
+	    
+	fmat4x4SIMD operator- (fmat4x4SIMD const & m, float const & s);
+	fmat4x4SIMD operator- (float const & s, fmat4x4SIMD const & m);
+	fmat4x4SIMD operator- (fmat4x4SIMD const & m1, fmat4x4SIMD const & m2);
+
+	fmat4x4SIMD operator* (fmat4x4SIMD const & m, float const & s);
+	fmat4x4SIMD operator* (float const & s, fmat4x4SIMD const & m);
+
+	fvec4SIMD operator* (fmat4x4SIMD const & m, fvec4SIMD const & v);
+	fvec4SIMD operator* (fvec4SIMD const & v, fmat4x4SIMD const & m);
+
+	fmat4x4SIMD operator* (fmat4x4SIMD const & m1, fmat4x4SIMD const & m2);
+
+	fmat4x4SIMD operator/ (fmat4x4SIMD const & m, float const & s);
+	fmat4x4SIMD operator/ (float const & s, fmat4x4SIMD const & m);
+
+	fvec4SIMD operator/ (fmat4x4SIMD const & m, fvec4SIMD const & v);
+	fvec4SIMD operator/ (fvec4SIMD const & v, fmat4x4SIMD const & m);
+
+	fmat4x4SIMD operator/ (fmat4x4SIMD const & m1, fmat4x4SIMD const & m2);
+
+	// Unary constant operators
+	fmat4x4SIMD const operator-  (fmat4x4SIMD const & m);
+	fmat4x4SIMD const operator-- (fmat4x4SIMD const & m, int);
+	fmat4x4SIMD const operator++ (fmat4x4SIMD const & m, int);
+}//namespace detail
+
+	typedef detail::fmat4x4SIMD simdMat4;
+
+	/// @addtogroup gtx_simd_mat4
+	/// @{
+
+	//! Convert a simdMat4 to a mat4.
+	//! (From GLM_GTX_simd_mat4 extension)
+	detail::tmat4x4<float> mat4_cast(
+		detail::fmat4x4SIMD const & x);
+
+	//! Multiply matrix x by matrix y component-wise, i.e.,
+	//! result[i][j] is the scalar product of x[i][j] and y[i][j].
+	//! (From GLM_GTX_simd_mat4 extension).
+	detail::fmat4x4SIMD matrixCompMult(
+		detail::fmat4x4SIMD const & x,
+		detail::fmat4x4SIMD const & y);
+
+	//! Treats the first parameter c as a column vector
+	//! and the second parameter r as a row vector
+	//! and does a linear algebraic matrix multiply c * r.
+	//! (From GLM_GTX_simd_mat4 extension).
+	detail::fmat4x4SIMD outerProduct(
+		detail::fvec4SIMD const & c,
+		detail::fvec4SIMD const & r);
+
+	//! Returns the transposed matrix of x
+	//! (From GLM_GTX_simd_mat4 extension).
+	detail::fmat4x4SIMD transpose(
+		detail::fmat4x4SIMD const & x);
+
+	//! Return the determinant of a mat4 matrix.
+	//! (From GLM_GTX_simd_mat4 extension).
+	float determinant(
+		detail::fmat4x4SIMD const & m);
+
+	//! Return the inverse of a mat4 matrix.
+	//! (From GLM_GTX_simd_mat4 extension).
+	detail::fmat4x4SIMD inverse(
+		detail::fmat4x4SIMD const & m);
+
+	/// @}
+}// namespace glm
+
+#include "simd_mat4.inl"
+
+#endif//(GLM_ARCH != GLM_ARCH_PURE)
+
+#endif//GLM_GTX_simd_mat4
diff --git a/include/gal/opengl/glm/gtx/simd_mat4.inl b/include/gal/opengl/glm/gtx/simd_mat4.inl
new file mode 100644
index 0000000..d6ec8ca
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/simd_mat4.inl
@@ -0,0 +1,590 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2009-05-19
+// Updated : 2009-05-19
+// Licence : This source is under MIT License
+// File    : glm/gtx/simd_mat4.hpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm{
+namespace detail{
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD::size_type fmat4x4SIMD::value_size()
+{
+	return sizeof(value_type);
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD::size_type fmat4x4SIMD::col_size()
+{
+	return 4;
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD::size_type fmat4x4SIMD::row_size()
+{
+	return 4;
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD::fmat4x4SIMD()
+{
+#ifndef GLM_SIMD_ENABLE_DEFAULT_INIT
+    this->Data[0] = fvec4SIMD(1.0f, 0, 0, 0);
+	this->Data[1] = fvec4SIMD(0, 1.0f, 0, 0);
+	this->Data[2] = fvec4SIMD(0, 0, 1.0f, 0);
+	this->Data[3] = fvec4SIMD(0, 0, 0, 1.0f);
+#endif
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD::fmat4x4SIMD(float const & s)
+{
+	this->Data[0] = fvec4SIMD(s, 0, 0, 0);
+	this->Data[1] = fvec4SIMD(0, s, 0, 0);
+	this->Data[2] = fvec4SIMD(0, 0, s, 0);
+	this->Data[3] = fvec4SIMD(0, 0, 0, s);
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD::fmat4x4SIMD
+(
+	float const & x0, float const & y0, float const & z0, float const & w0,
+	float const & x1, float const & y1, float const & z1, float const & w1,
+	float const & x2, float const & y2, float const & z2, float const & w2,
+	float const & x3, float const & y3, float const & z3, float const & w3
+)
+{
+	this->Data[0] = fvec4SIMD(x0, y0, z0, w0);
+	this->Data[1] = fvec4SIMD(x1, y1, z1, w1);
+	this->Data[2] = fvec4SIMD(x2, y2, z2, w2);
+	this->Data[3] = fvec4SIMD(x3, y3, z3, w3);
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD::fmat4x4SIMD
+(
+	fvec4SIMD const & v0,
+	fvec4SIMD const & v1,
+	fvec4SIMD const & v2,
+	fvec4SIMD const & v3
+)
+{
+	this->Data[0] = v0;
+	this->Data[1] = v1;
+	this->Data[2] = v2;
+	this->Data[3] = v3;
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD::fmat4x4SIMD
+(
+	tmat4x4<float> const & m
+)
+{
+	this->Data[0] = fvec4SIMD(m[0]);
+	this->Data[1] = fvec4SIMD(m[1]);
+	this->Data[2] = fvec4SIMD(m[2]);
+	this->Data[3] = fvec4SIMD(m[3]);
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD::fmat4x4SIMD
+(
+    __m128 const in[4]
+)
+{
+    this->Data[0] = in[0];
+    this->Data[1] = in[1];
+    this->Data[2] = in[2];
+    this->Data[3] = in[3];
+}
+
+//////////////////////////////////////
+// Accesses
+
+GLM_FUNC_QUALIFIER fvec4SIMD & fmat4x4SIMD::operator[]
+(
+	fmat4x4SIMD::size_type i
+)
+{
+	assert(
+		//i >= fmat4x4SIMD::size_type(0) &&
+		i < fmat4x4SIMD::col_size());
+
+	return this->Data[i];
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD const & fmat4x4SIMD::operator[]
+(
+	fmat4x4SIMD::size_type i
+) const
+{
+	assert(
+		//i >= fmat4x4SIMD::size_type(0) &&
+		i < fmat4x4SIMD::col_size());
+
+	return this->Data[i];
+}
+
+//////////////////////////////////////////////////////////////
+// mat4 operators
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD& fmat4x4SIMD::operator= 
+(
+	fmat4x4SIMD const & m
+)
+{
+	this->Data[0] = m[0];
+	this->Data[1] = m[1];
+	this->Data[2] = m[2];
+	this->Data[3] = m[3];
+    return *this;
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD & fmat4x4SIMD::operator+= 
+(
+	fmat4x4SIMD const & m
+)
+{
+	this->Data[0].Data = _mm_add_ps(this->Data[0].Data, m[0].Data);
+	this->Data[1].Data = _mm_add_ps(this->Data[1].Data, m[1].Data);
+	this->Data[2].Data = _mm_add_ps(this->Data[2].Data, m[2].Data);
+	this->Data[3].Data = _mm_add_ps(this->Data[3].Data, m[3].Data);
+    return *this;
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD & fmat4x4SIMD::operator-= 
+(
+	fmat4x4SIMD const & m
+)
+{
+	this->Data[0].Data = _mm_sub_ps(this->Data[0].Data, m[0].Data);
+	this->Data[1].Data = _mm_sub_ps(this->Data[1].Data, m[1].Data);
+	this->Data[2].Data = _mm_sub_ps(this->Data[2].Data, m[2].Data);
+	this->Data[3].Data = _mm_sub_ps(this->Data[3].Data, m[3].Data);
+
+    return *this;
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD & fmat4x4SIMD::operator*= 
+(
+	fmat4x4SIMD const & m
+)
+{
+	sse_mul_ps(&this->Data[0].Data, &m.Data[0].Data, &this->Data[0].Data);
+    return *this;
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD & fmat4x4SIMD::operator/= 
+(
+	fmat4x4SIMD const & m
+)
+{
+	__m128 Inv[4];
+	sse_inverse_ps(&m.Data[0].Data, Inv);
+	sse_mul_ps(&this->Data[0].Data, Inv, &this->Data[0].Data);
+    return *this;
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD & fmat4x4SIMD::operator+= 
+(
+	float const & s
+)
+{
+	__m128 Operand = _mm_set_ps1(s);
+	this->Data[0].Data = _mm_add_ps(this->Data[0].Data, Operand);
+	this->Data[1].Data = _mm_add_ps(this->Data[1].Data, Operand);
+	this->Data[2].Data = _mm_add_ps(this->Data[2].Data, Operand);
+	this->Data[3].Data = _mm_add_ps(this->Data[3].Data, Operand);
+    return *this;
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD & fmat4x4SIMD::operator-= 
+(
+	float const & s
+)
+{
+	__m128 Operand = _mm_set_ps1(s);
+	this->Data[0].Data = _mm_sub_ps(this->Data[0].Data, Operand);
+	this->Data[1].Data = _mm_sub_ps(this->Data[1].Data, Operand);
+	this->Data[2].Data = _mm_sub_ps(this->Data[2].Data, Operand);
+	this->Data[3].Data = _mm_sub_ps(this->Data[3].Data, Operand);
+    return *this;
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD & fmat4x4SIMD::operator*= 
+(
+	float const & s
+)
+{
+	__m128 Operand = _mm_set_ps1(s);
+	this->Data[0].Data = _mm_mul_ps(this->Data[0].Data, Operand);
+	this->Data[1].Data = _mm_mul_ps(this->Data[1].Data, Operand);
+	this->Data[2].Data = _mm_mul_ps(this->Data[2].Data, Operand);
+	this->Data[3].Data = _mm_mul_ps(this->Data[3].Data, Operand);
+    return *this;
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD & fmat4x4SIMD::operator/= 
+(
+	float const & s
+)
+{
+	__m128 Operand = _mm_div_ps(one, _mm_set_ps1(s));
+	this->Data[0].Data = _mm_mul_ps(this->Data[0].Data, Operand);
+	this->Data[1].Data = _mm_mul_ps(this->Data[1].Data, Operand);
+	this->Data[2].Data = _mm_mul_ps(this->Data[2].Data, Operand);
+	this->Data[3].Data = _mm_mul_ps(this->Data[3].Data, Operand);
+    return *this;
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD & fmat4x4SIMD::operator++ ()
+{
+	this->Data[0].Data = _mm_add_ps(this->Data[0].Data, one);
+	this->Data[1].Data = _mm_add_ps(this->Data[1].Data, one);
+	this->Data[2].Data = _mm_add_ps(this->Data[2].Data, one);
+	this->Data[3].Data = _mm_add_ps(this->Data[3].Data, one);
+    return *this;
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD & fmat4x4SIMD::operator-- ()
+{
+	this->Data[0].Data = _mm_sub_ps(this->Data[0].Data, one);
+	this->Data[1].Data = _mm_sub_ps(this->Data[1].Data, one);
+	this->Data[2].Data = _mm_sub_ps(this->Data[2].Data, one);
+	this->Data[3].Data = _mm_sub_ps(this->Data[3].Data, one);
+    return *this;
+}
+
+
+//////////////////////////////////////////////////////////////
+// Binary operators
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD operator+
+(
+    const fmat4x4SIMD &m,
+    float const & s
+)
+{
+    return detail::fmat4x4SIMD
+    (
+        m[0] + s,
+        m[1] + s,
+        m[2] + s,
+        m[3] + s
+    );
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD operator+
+(
+    float const & s,
+    const fmat4x4SIMD &m
+)
+{
+    return detail::fmat4x4SIMD
+    (
+        m[0] + s,
+        m[1] + s,
+        m[2] + s,
+        m[3] + s
+    );
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD operator+
+(
+    const fmat4x4SIMD &m1,
+    const fmat4x4SIMD &m2
+)
+{
+    return detail::fmat4x4SIMD
+    (
+        m1[0] + m2[0],
+        m1[1] + m2[1],
+        m1[2] + m2[2],
+        m1[3] + m2[3]
+    );
+}
+
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD operator-
+(
+    const fmat4x4SIMD &m,
+    float const & s
+)
+{
+    return detail::fmat4x4SIMD
+    (
+        m[0] - s,
+        m[1] - s,
+        m[2] - s,
+        m[3] - s
+    );
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD operator-
+(
+    float const & s,
+    const fmat4x4SIMD &m
+)
+{
+    return detail::fmat4x4SIMD
+    (
+        s - m[0],
+        s - m[1],
+        s - m[2],
+        s - m[3]
+    );
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD operator-
+(
+    const fmat4x4SIMD &m1,
+    const fmat4x4SIMD &m2
+)
+{
+    return detail::fmat4x4SIMD
+    (
+        m1[0] - m2[0],
+        m1[1] - m2[1],
+        m1[2] - m2[2],
+        m1[3] - m2[3]
+    );
+}
+
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD operator*
+(
+    const fmat4x4SIMD &m,
+    float const & s
+)
+{
+    return detail::fmat4x4SIMD
+    (
+        m[0] * s,
+        m[1] * s,
+        m[2] * s,
+        m[3] * s
+    );
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD operator*
+(
+    float const & s,
+    const fmat4x4SIMD &m
+)
+{
+    return detail::fmat4x4SIMD
+    (
+        m[0] * s,
+        m[1] * s,
+        m[2] * s,
+        m[3] * s
+    );
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator*
+(
+    const fmat4x4SIMD &m,
+    fvec4SIMD const & v
+)
+{
+    return sse_mul_ps(&m.Data[0].Data, v.Data);
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator*
+(
+    fvec4SIMD const & v,
+    const fmat4x4SIMD &m
+)
+{
+    return sse_mul_ps(v.Data, &m.Data[0].Data);
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD operator*
+(
+    const fmat4x4SIMD &m1,
+    const fmat4x4SIMD &m2
+)
+{
+    fmat4x4SIMD result;
+    sse_mul_ps(&m1.Data[0].Data, &m2.Data[0].Data, &result.Data[0].Data);
+    
+    return result;
+}
+    
+
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD operator/
+(
+    const fmat4x4SIMD &m,
+    float const & s
+)
+{
+    return detail::fmat4x4SIMD
+    (
+        m[0] / s,
+        m[1] / s,
+        m[2] / s,
+        m[3] / s
+    );
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD operator/
+(
+    float const & s,
+    const fmat4x4SIMD &m
+)
+{
+    return detail::fmat4x4SIMD
+    (
+        s / m[0],
+        s / m[1],
+        s / m[2],
+        s / m[3]
+    );
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator/
+(
+    const fmat4x4SIMD &m,
+    fvec4SIMD const & v
+)
+{
+    return inverse(m) * v;
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator/
+(
+    fvec4SIMD const & v,
+    const fmat4x4SIMD &m
+)
+{
+    return v * inverse(m);
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD operator/
+(
+    const fmat4x4SIMD &m1,
+    const fmat4x4SIMD &m2
+)
+{
+    __m128 result[4];
+    __m128 inv[4];
+
+	sse_inverse_ps(&m2.Data[0].Data, inv);
+	sse_mul_ps(&m1.Data[0].Data, inv, result);
+
+    return fmat4x4SIMD(result);
+}
+
+
+//////////////////////////////////////////////////////////////
+// Unary constant operators
+GLM_FUNC_QUALIFIER fmat4x4SIMD const operator-
+(
+    fmat4x4SIMD const & m
+)
+{
+    return detail::fmat4x4SIMD
+    (
+        -m[0],
+        -m[1],
+        -m[2],
+        -m[3]
+    );
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD const operator--
+(
+    fmat4x4SIMD const & m,
+    int
+)
+{
+    return detail::fmat4x4SIMD
+    (
+        m[0] - 1.0f,
+        m[1] - 1.0f,
+        m[2] - 1.0f,
+        m[3] - 1.0f
+    );
+}
+
+GLM_FUNC_QUALIFIER fmat4x4SIMD const operator++
+(
+    fmat4x4SIMD const & m,
+    int
+)
+{
+    return detail::fmat4x4SIMD
+    (
+        m[0] + 1.0f,
+        m[1] + 1.0f,
+        m[2] + 1.0f,
+        m[3] + 1.0f
+    );
+}
+
+}//namespace detail
+
+GLM_FUNC_QUALIFIER detail::tmat4x4<float> mat4_cast
+(
+	detail::fmat4x4SIMD const & x
+)
+{
+	GLM_ALIGN(16) detail::tmat4x4<float> Result;
+	_mm_store_ps(&Result[0][0], x.Data[0].Data);
+	_mm_store_ps(&Result[1][0], x.Data[1].Data);
+	_mm_store_ps(&Result[2][0], x.Data[2].Data);
+	_mm_store_ps(&Result[3][0], x.Data[3].Data);
+	return Result;
+}
+
+GLM_FUNC_QUALIFIER detail::fmat4x4SIMD matrixCompMult
+(
+	detail::fmat4x4SIMD const & x,
+	detail::fmat4x4SIMD const & y
+)
+{
+	detail::fmat4x4SIMD result;
+	result[0] = x[0] * y[0];
+	result[1] = x[1] * y[1];
+	result[2] = x[2] * y[2];
+	result[3] = x[3] * y[3];
+	return result;
+}
+
+GLM_FUNC_QUALIFIER detail::fmat4x4SIMD outerProduct
+(
+	detail::fvec4SIMD const & c,
+	detail::fvec4SIMD const & r
+)
+{
+	__m128 Shu0 = _mm_shuffle_ps(r.Data, r.Data, _MM_SHUFFLE(0, 0, 0, 0));
+	__m128 Shu1 = _mm_shuffle_ps(r.Data, r.Data, _MM_SHUFFLE(1, 1, 1, 1));
+	__m128 Shu2 = _mm_shuffle_ps(r.Data, r.Data, _MM_SHUFFLE(2, 2, 2, 2));
+	__m128 Shu3 = _mm_shuffle_ps(r.Data, r.Data, _MM_SHUFFLE(3, 3, 3, 3));
+
+	detail::fmat4x4SIMD result(detail::fmat4x4SIMD::null);
+	result[0].Data = _mm_mul_ps(c.Data, Shu0);
+	result[1].Data = _mm_mul_ps(c.Data, Shu1);
+	result[2].Data = _mm_mul_ps(c.Data, Shu2);
+	result[3].Data = _mm_mul_ps(c.Data, Shu3);
+	return result;
+}
+
+GLM_FUNC_QUALIFIER detail::fmat4x4SIMD transpose(detail::fmat4x4SIMD const & m)
+{
+	detail::fmat4x4SIMD result;
+	detail::sse_transpose_ps(&m[0].Data, &result[0].Data);
+	return result;
+}
+
+GLM_FUNC_QUALIFIER float determinant(detail::fmat4x4SIMD const & m)
+{
+	float Result;
+	_mm_store_ss(&Result, detail::sse_det_ps(&m[0].Data));
+	return Result;
+}
+
+GLM_FUNC_QUALIFIER detail::fmat4x4SIMD inverse(detail::fmat4x4SIMD const & m)
+{
+	detail::fmat4x4SIMD result;
+	detail::sse_inverse_ps(&m[0].Data, &result[0].Data);
+	return result;
+}
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/simd_vec4.hpp b/include/gal/opengl/glm/gtx/simd_vec4.hpp
new file mode 100644
index 0000000..6f60060
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/simd_vec4.hpp
@@ -0,0 +1,517 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_simd_vec4
+/// @file glm/gtx/simd_vec4.hpp
+/// @date 2009-05-07 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_simd_vec4 GLM_GTX_simd_vec4
+/// @ingroup gtx
+/// 
+/// @brief SIMD implementation of vec4 type.
+/// 
+/// <glm/gtx/simd_vec4.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_simd_vec4
+#define GLM_GTX_simd_vec4 GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(GLM_ARCH != GLM_ARCH_PURE)
+
+#if(GLM_ARCH & GLM_ARCH_SSE2)
+#	include "../core/intrinsic_common.hpp"
+#	include "../core/intrinsic_geometric.hpp"
+#else
+#	error "GLM: GLM_GTX_simd_vec4 requires compiler support of SSE2 through intrinsics"
+#endif
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_simd_vec4 extension included")
+#endif
+
+
+// Warning silencer for nameless struct/union.
+#if (GLM_COMPILER & GLM_COMPILER_VC)
+#   pragma warning(push)
+#   pragma warning(disable:4201)   // warning C4201: nonstandard extension used : nameless struct/union
+#endif
+
+
+namespace glm{
+namespace detail
+{
+	/// 4-dimensional vector implemented using SIMD SEE intrinsics.
+	/// \ingroup gtx_simd_vec4
+	GLM_ALIGNED_STRUCT(16) fvec4SIMD
+	{
+		enum ctor{null};
+		typedef __m128 value_type;
+		typedef std::size_t size_type;
+		static size_type value_size();
+
+		typedef fvec4SIMD type;
+		typedef tvec4<bool> bool_type;
+
+#ifdef GLM_SIMD_ENABLE_XYZW_UNION
+        union
+        {
+		    __m128 Data;
+            struct {float x, y, z, w;};
+        };
+#else
+        __m128 Data;
+#endif
+
+		//////////////////////////////////////
+		// Implicit basic constructors
+
+		fvec4SIMD();
+		fvec4SIMD(__m128 const & Data);
+		fvec4SIMD(fvec4SIMD const & v);
+
+		//////////////////////////////////////
+		// Explicit basic constructors
+
+		explicit fvec4SIMD(
+			ctor);
+		explicit fvec4SIMD(
+			float const & s);
+		explicit fvec4SIMD(
+			float const & x, 
+			float const & y, 
+			float const & z, 
+			float const & w);
+		explicit fvec4SIMD(
+			tvec4<float> const & v);
+
+		////////////////////////////////////////
+		//// Convertion vector constructors
+
+		fvec4SIMD(vec2 const & v, float const & s1, float const & s2);
+		fvec4SIMD(float const & s1, vec2 const & v, float const & s2);
+		fvec4SIMD(float const & s1, float const & s2, vec2 const & v);
+		fvec4SIMD(vec3 const & v, float const & s);
+		fvec4SIMD(float const & s, vec3 const & v);
+		fvec4SIMD(vec2 const & v1, vec2 const & v2);
+		//fvec4SIMD(ivec4SIMD const & v);
+
+		//////////////////////////////////////
+		// Unary arithmetic operators
+
+		fvec4SIMD& operator= (fvec4SIMD const & v);
+		fvec4SIMD& operator+=(fvec4SIMD const & v);
+		fvec4SIMD& operator-=(fvec4SIMD const & v);
+		fvec4SIMD& operator*=(fvec4SIMD const & v);
+		fvec4SIMD& operator/=(fvec4SIMD const & v);
+
+		fvec4SIMD& operator+=(float const & s);
+		fvec4SIMD& operator-=(float const & s);
+		fvec4SIMD& operator*=(float const & s);
+		fvec4SIMD& operator/=(float const & s);
+
+		fvec4SIMD& operator++();
+		fvec4SIMD& operator--();
+
+		//////////////////////////////////////
+		// Swizzle operators
+
+		template <comp X, comp Y, comp Z, comp W>
+		fvec4SIMD& swizzle();
+		template <comp X, comp Y, comp Z, comp W>
+		fvec4SIMD swizzle() const;
+		template <comp X, comp Y, comp Z>
+		fvec4SIMD swizzle() const;
+		template <comp X, comp Y>
+		fvec4SIMD swizzle() const;
+		template <comp X>
+		fvec4SIMD swizzle() const;
+	};
+}//namespace detail
+
+	typedef glm::detail::fvec4SIMD simdVec4;
+
+	/// @addtogroup gtx_simd_vec4
+	/// @{
+
+	//! Convert a simdVec4 to a vec4.
+	//! (From GLM_GTX_simd_vec4 extension)
+	detail::tvec4<float> vec4_cast(
+		detail::fvec4SIMD const & x);
+
+	//! Returns x if x >= 0; otherwise, it returns -x. 
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD abs(detail::fvec4SIMD const & x);
+
+	//! Returns 1.0 if x > 0, 0.0 if x = 0, or -1.0 if x < 0. 
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD sign(detail::fvec4SIMD const & x);
+
+	//! Returns a value equal to the nearest integer that is less then or equal to x. 
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD floor(detail::fvec4SIMD const & x);
+
+	//! Returns a value equal to the nearest integer to x 
+	//! whose absolute value is not larger than the absolute value of x. 
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD trunc(detail::fvec4SIMD const & x);
+
+	//! Returns a value equal to the nearest integer to x. 
+	//! The fraction 0.5 will round in a direction chosen by the 
+	//! implementation, presumably the direction that is fastest. 
+	//! This includes the possibility that round(x) returns the 
+	//! same value as roundEven(x) for all values of x. 
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD round(detail::fvec4SIMD const & x);
+
+	//! Returns a value equal to the nearest integer to x.
+	//! A fractional part of 0.5 will round toward the nearest even
+	//! integer. (Both 3.5 and 4.5 for x will return 4.0.) 
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	//detail::fvec4SIMD roundEven(detail::fvec4SIMD const & x);
+
+	//! Returns a value equal to the nearest integer 
+	//! that is greater than or equal to x. 
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD ceil(detail::fvec4SIMD const & x);
+
+	//! Return x - floor(x).
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD fract(detail::fvec4SIMD const & x);
+
+	//! Modulus. Returns x - y * floor(x / y) 
+	//! for each component in x using the floating point value y.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD mod(
+		detail::fvec4SIMD const & x, 
+		detail::fvec4SIMD const & y);
+
+	//! Modulus. Returns x - y * floor(x / y) 
+	//! for each component in x using the floating point value y.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD mod(
+		detail::fvec4SIMD const & x, 
+		float const & y);
+
+	//! Returns the fractional part of x and sets i to the integer
+	//! part (as a whole number floating point value). Both the
+	//! return value and the output parameter will have the same
+	//! sign as x.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	//detail::fvec4SIMD modf(
+	//	detail::fvec4SIMD const & x, 
+	//	detail::fvec4SIMD & i);
+
+	//! Returns y if y < x; otherwise, it returns x.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD min(
+		detail::fvec4SIMD const & x, 
+		detail::fvec4SIMD const & y);
+
+	detail::fvec4SIMD min(
+		detail::fvec4SIMD const & x, 
+		float const & y);
+
+	//! Returns y if x < y; otherwise, it returns x.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD max(
+		detail::fvec4SIMD const & x, 
+		detail::fvec4SIMD const & y);
+
+	detail::fvec4SIMD max(
+		detail::fvec4SIMD const & x, 
+		float const & y);
+
+	//! Returns min(max(x, minVal), maxVal) for each component in x 
+	//! using the floating-point values minVal and maxVal.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD clamp(
+		detail::fvec4SIMD const & x, 
+		detail::fvec4SIMD const & minVal, 
+		detail::fvec4SIMD const & maxVal); 
+
+	detail::fvec4SIMD clamp(
+		detail::fvec4SIMD const & x, 
+		float const & minVal, 
+		float const & maxVal); 
+
+	//! \return If genTypeU is a floating scalar or vector: 
+	//! Returns x * (1.0 - a) + y * a, i.e., the linear blend of 
+	//! x and y using the floating-point value a. 
+	//! The value for a is not restricted to the range [0, 1].
+	//!
+	//! \return If genTypeU is a boolean scalar or vector: 
+	//! Selects which vector each returned component comes
+	//! from. For a component of a that is false, the
+	//! corresponding component of x is returned. For a
+	//! component of a that is true, the corresponding
+	//! component of y is returned. Components of x and y that
+	//! are not selected are allowed to be invalid floating point
+	//! values and will have no effect on the results. Thus, this
+	//! provides different functionality than
+	//! genType mix(genType x, genType y, genType(a))
+	//! where a is a Boolean vector.
+	//! 
+	//! From GLSL 1.30.08 specification, section 8.3
+	//! 
+	//! \param[in]  x Floating point scalar or vector.
+	//! \param[in]  y Floating point scalar or vector.
+	//! \param[in]  a Floating point or boolean scalar or vector.
+	//!
+	// \todo Test when 'a' is a boolean.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD mix(
+		detail::fvec4SIMD const & x, 
+		detail::fvec4SIMD const & y, 
+		detail::fvec4SIMD const & a);
+
+	//! Returns 0.0 if x < edge, otherwise it returns 1.0.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD step(
+		detail::fvec4SIMD const & edge, 
+		detail::fvec4SIMD const & x);
+
+	detail::fvec4SIMD step(
+		float const & edge, 
+		detail::fvec4SIMD const & x);
+
+	//! Returns 0.0 if x <= edge0 and 1.0 if x >= edge1 and
+	//! performs smooth Hermite interpolation between 0 and 1
+	//! when edge0 < x < edge1. This is useful in cases where
+	//! you would want a threshold function with a smooth
+	//! transition. This is equivalent to:
+	//! genType t;
+	//! t = clamp ((x - edge0) / (edge1 - edge0), 0, 1);
+	//! return t * t * (3 - 2 * t);
+	//! Results are undefined if edge0 >= edge1.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD smoothstep(
+		detail::fvec4SIMD const & edge0, 
+		detail::fvec4SIMD const & edge1, 
+		detail::fvec4SIMD const & x);
+
+	detail::fvec4SIMD smoothstep(
+		float const & edge0, 
+		float const & edge1, 
+		detail::fvec4SIMD const & x);
+
+	//! Returns true if x holds a NaN (not a number)
+	//! representation in the underlying implementation's set of
+	//! floating point representations. Returns false otherwise,
+	//! including for implementations with no NaN
+	//! representations.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	//bvec4 isnan(detail::fvec4SIMD const & x);
+
+	//! Returns true if x holds a positive infinity or negative
+	//! infinity representation in the underlying implementation's
+	//! set of floating point representations. Returns false
+	//! otherwise, including for implementations with no infinity
+	//! representations.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	//bvec4 isinf(detail::fvec4SIMD const & x);
+
+	//! Returns a signed or unsigned integer value representing
+	//! the encoding of a floating-point value. The floatingpoint
+	//! value's bit-level representation is preserved.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	//detail::ivec4SIMD floatBitsToInt(detail::fvec4SIMD const & value);
+
+	//! Returns a floating-point value corresponding to a signed
+	//! or unsigned integer encoding of a floating-point value.
+	//! If an inf or NaN is passed in, it will not signal, and the
+	//! resulting floating point value is unspecified. Otherwise,
+	//! the bit-level representation is preserved.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	//detail::fvec4SIMD intBitsToFloat(detail::ivec4SIMD const & value);
+
+	//! Computes and returns a * b + c.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	detail::fvec4SIMD fma(
+		detail::fvec4SIMD const & a, 
+		detail::fvec4SIMD const & b, 
+		detail::fvec4SIMD const & c);
+
+	//! Splits x into a floating-point significand in the range
+	//! [0.5, 1.0) and an integral exponent of two, such that:
+	//! x = significand * exp(2, exponent)
+	//! The significand is returned by the function and the
+	//! exponent is returned in the parameter exp. For a
+	//! floating-point value of zero, the significant and exponent
+	//! are both zero. For a floating-point value that is an
+	//! infinity or is not a number, the results are undefined.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	//detail::fvec4SIMD frexp(detail::fvec4SIMD const & x, detail::ivec4SIMD & exp);
+
+	//! Builds a floating-point number from x and the
+	//! corresponding integral exponent of two in exp, returning:
+	//! significand * exp(2, exponent)
+	//! If this product is too large to be represented in the
+	//! floating-point type, the result is undefined.
+	//! (From GLM_GTX_simd_vec4 extension, common function)
+	//detail::fvec4SIMD ldexp(detail::fvec4SIMD const & x, detail::ivec4SIMD const & exp);
+
+	//! Returns the length of x, i.e., sqrt(x * x).
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	float length(
+		detail::fvec4SIMD const & x);
+
+	//! Returns the length of x, i.e., sqrt(x * x).
+	//! Less accurate but much faster than simdLength.
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	float fastLength(
+		detail::fvec4SIMD const & x);
+
+	//! Returns the length of x, i.e., sqrt(x * x).
+	//! Slightly more accurate but much slower than simdLength.
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	float niceLength(
+		detail::fvec4SIMD const & x);
+
+	//! Returns the length of x, i.e., sqrt(x * x).
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	detail::fvec4SIMD length4(
+		detail::fvec4SIMD const & x);
+
+	//! Returns the length of x, i.e., sqrt(x * x).
+	//! Less accurate but much faster than simdLength4.
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	detail::fvec4SIMD fastLength4(
+		detail::fvec4SIMD const & x);
+
+	//! Returns the length of x, i.e., sqrt(x * x).
+	//! Slightly more accurate but much slower than simdLength4.
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	detail::fvec4SIMD niceLength4(
+		detail::fvec4SIMD const & x);
+
+	//! Returns the distance betwwen p0 and p1, i.e., length(p0 - p1).
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	float distance(
+		detail::fvec4SIMD const & p0,
+		detail::fvec4SIMD const & p1);
+
+	//! Returns the distance betwwen p0 and p1, i.e., length(p0 - p1).
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	detail::fvec4SIMD distance4(
+		detail::fvec4SIMD const & p0,
+		detail::fvec4SIMD const & p1);
+
+	//! Returns the dot product of x and y, i.e., result = x * y.
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	float simdDot(
+		detail::fvec4SIMD const & x,
+		detail::fvec4SIMD const & y);
+
+	//! Returns the dot product of x and y, i.e., result = x * y.
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	detail::fvec4SIMD dot4(
+		detail::fvec4SIMD const & x,
+		detail::fvec4SIMD const & y);
+
+	//! Returns the cross product of x and y.
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	detail::fvec4SIMD cross(
+		detail::fvec4SIMD const & x,
+		detail::fvec4SIMD const & y);
+
+	//! Returns a vector in the same direction as x but with length of 1.
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	detail::fvec4SIMD normalize(
+		detail::fvec4SIMD const & x);
+
+	//! Returns a vector in the same direction as x but with length of 1.
+	//! Less accurate but much faster than simdNormalize.
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	detail::fvec4SIMD fastNormalize(
+		detail::fvec4SIMD const & x);
+
+	//! If dot(Nref, I) < 0.0, return N, otherwise, return -N.
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	detail::fvec4SIMD simdFaceforward(
+		detail::fvec4SIMD const & N,
+		detail::fvec4SIMD const & I,
+		detail::fvec4SIMD const & Nref);
+
+	//! For the incident vector I and surface orientation N,
+	//! returns the reflection direction : result = I - 2.0 * dot(N, I) * N.
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	detail::fvec4SIMD reflect(
+		detail::fvec4SIMD const & I,
+		detail::fvec4SIMD const & N);
+
+	//! For the incident vector I and surface normal N,
+	//! and the ratio of indices of refraction eta,
+	//! return the refraction vector.
+	//! (From GLM_GTX_simd_vec4 extension, geometry functions)
+	detail::fvec4SIMD refract(
+		detail::fvec4SIMD const & I,
+		detail::fvec4SIMD const & N,
+		float const & eta);
+
+	//! Returns the positive square root of x.
+	//! (From GLM_GTX_simd_vec4 extension, exponential function)
+	detail::fvec4SIMD sqrt(
+		detail::fvec4SIMD const & x);
+
+	//! Returns the positive square root of x with the nicest quality but very slow.
+	//! Slightly more accurate but much slower than simdSqrt.
+	//! (From GLM_GTX_simd_vec4 extension, exponential function)
+	detail::fvec4SIMD niceSqrt(
+		detail::fvec4SIMD const & x);
+
+	//! Returns the positive square root of x
+	//! Less accurate but much faster than sqrt.
+	//! (From GLM_GTX_simd_vec4 extension, exponential function)
+	detail::fvec4SIMD fastSqrt(
+		detail::fvec4SIMD const & x);
+
+	//! Returns the reciprocal of the positive square root of x.
+	//! (From GLM_GTX_simd_vec4 extension, exponential function)
+	detail::fvec4SIMD inversesqrt(
+		detail::fvec4SIMD const & x);
+
+	//! Returns the reciprocal of the positive square root of x.
+	//! Faster than inversesqrt but less accurate.
+	//! (From GLM_GTX_simd_vec4 extension, exponential function)
+	detail::fvec4SIMD fastInversesqrt(
+		detail::fvec4SIMD const & x);
+
+	/// @}
+}//namespace glm
+
+#include "simd_vec4.inl"
+
+
+#if (GLM_COMPILER & GLM_COMPILER_VC)
+#   pragma warning(pop)
+#endif
+
+
+#endif//(GLM_ARCH != GLM_ARCH_PURE)
+
+#endif//GLM_GTX_simd_vec4
diff --git a/include/gal/opengl/glm/gtx/simd_vec4.inl b/include/gal/opengl/glm/gtx/simd_vec4.inl
new file mode 100644
index 0000000..0b22115
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/simd_vec4.inl
@@ -0,0 +1,727 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2009-05-07
+// Updated : 2009-05-07
+// Licence : This source is under MIT License
+// File    : glm/gtx/simd_vec4.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm{
+namespace detail{
+
+template <int Value>
+struct mask
+{
+	enum{value = Value};
+};
+
+//////////////////////////////////////
+// Implicit basic constructors
+
+GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD()
+#ifdef GLM_SIMD_ENABLE_DEFAULT_INIT
+    : Data(_mm_set_ps(0.0f, 0.0f, 0.0f, 0.0f))
+#endif
+{}
+
+GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(__m128 const & Data) :
+	Data(Data)
+{}
+
+GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(fvec4SIMD const & v) :
+	Data(v.Data)
+{}
+
+GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(tvec4<float> const & v) :
+	Data(_mm_set_ps(v.w, v.z, v.y, v.x))
+{}
+
+//////////////////////////////////////
+// Explicit basic constructors
+
+GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(float const & s) :
+	Data(_mm_set1_ps(s))
+{}
+
+GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(float const & x, float const & y, float const & z, float const & w) :
+//		Data(_mm_setr_ps(x, y, z, w))
+	Data(_mm_set_ps(w, z, y, x))
+{}
+/*
+GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(float const v[4]) :
+	Data(_mm_load_ps(v))
+{}
+*/
+//////////////////////////////////////
+// Swizzle constructors
+
+//fvec4SIMD(ref4<float> const & r);
+
+//////////////////////////////////////
+// Convertion vector constructors
+
+GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(vec2 const & v, float const & s1, float const & s2) :
+	Data(_mm_set_ps(s2, s1, v.y, v.x))
+{}
+
+GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(float const & s1, vec2 const & v, float const & s2) :
+	Data(_mm_set_ps(s2, v.y, v.x, s1))
+{}
+
+GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(float const & s1, float const & s2, vec2 const & v) :
+	Data(_mm_set_ps(v.y, v.x, s2, s1))
+{}
+
+GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(vec3 const & v, float const & s) :
+	Data(_mm_set_ps(s, v.z, v.y, v.x))
+{}
+
+GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(float const & s, vec3 const & v) :
+	Data(_mm_set_ps(v.z, v.y, v.x, s))
+{}
+
+GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(vec2 const & v1, vec2 const & v2) :
+	Data(_mm_set_ps(v2.y, v2.x, v1.y, v1.x))
+{}
+
+//GLM_FUNC_QUALIFIER fvec4SIMD::fvec4SIMD(ivec4SIMD const & v) :
+//	Data(_mm_cvtepi32_ps(v.Data))
+//{}
+
+//////////////////////////////////////
+// Unary arithmetic operators
+
+GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator=(fvec4SIMD const & v)
+{
+	this->Data = v.Data;
+	return *this;
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator+=(float const & s)
+{
+	this->Data = _mm_add_ps(Data, _mm_set_ps1(s));
+	return *this;
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator+=(fvec4SIMD const & v)
+{
+	this->Data = _mm_add_ps(this->Data , v.Data);
+	return *this;
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator-=(float const & s)
+{
+	this->Data = _mm_sub_ps(Data, _mm_set_ps1(s));
+	return *this;
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator-=(fvec4SIMD const & v)
+{
+	this->Data = _mm_sub_ps(this->Data , v.Data);
+	return *this;
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator*=(float const & s)
+{
+	this->Data = _mm_mul_ps(this->Data, _mm_set_ps1(s));
+	return *this;
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator*=(fvec4SIMD const & v)
+{
+	this->Data = _mm_mul_ps(this->Data , v.Data);
+	return *this;
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator/=(float const & s)
+{
+	this->Data = _mm_div_ps(Data, _mm_set1_ps(s));
+	return *this;
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator/=(fvec4SIMD const & v)
+{
+	this->Data = _mm_div_ps(this->Data , v.Data);
+	return *this;
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator++()
+{
+	this->Data = _mm_add_ps(this->Data , glm::detail::one);
+	return *this;
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::operator--()
+{
+	this->Data = _mm_sub_ps(this->Data, glm::detail::one);
+	return *this;
+}
+
+//////////////////////////////////////
+// Swizzle operators
+
+template <comp X, comp Y, comp Z, comp W>
+GLM_FUNC_QUALIFIER fvec4SIMD fvec4SIMD::swizzle() const
+{
+	__m128 Data = _mm_shuffle_ps(
+		this->Data, this->Data, 
+		mask<(W << 6) | (Z << 4) | (Y << 2) | (X << 0)>::value);
+	return fvec4SIMD(Data);
+}
+
+template <comp X, comp Y, comp Z, comp W>
+GLM_FUNC_QUALIFIER fvec4SIMD& fvec4SIMD::swizzle()
+{
+	this->Data = _mm_shuffle_ps(
+		this->Data, this->Data, 
+		mask<(W << 6) | (Z << 4) | (Y << 2) | (X << 0)>::value);
+	return *this;
+}
+
+// operator+
+GLM_FUNC_QUALIFIER fvec4SIMD operator+ (fvec4SIMD const & v, float s)
+{
+	return fvec4SIMD(_mm_add_ps(v.Data, _mm_set1_ps(s)));
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator+ (float s, fvec4SIMD const & v)
+{
+	return fvec4SIMD(_mm_add_ps(_mm_set1_ps(s), v.Data));
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator+ (fvec4SIMD const & v1, fvec4SIMD const & v2)
+{
+	return fvec4SIMD(_mm_add_ps(v1.Data, v2.Data));
+}
+
+//operator-
+GLM_FUNC_QUALIFIER fvec4SIMD operator- (fvec4SIMD const & v, float s)
+{
+	return fvec4SIMD(_mm_sub_ps(v.Data, _mm_set1_ps(s)));
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator- (float s, fvec4SIMD const & v)
+{
+	return fvec4SIMD(_mm_sub_ps(_mm_set1_ps(s), v.Data));
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator- (fvec4SIMD const & v1, fvec4SIMD const & v2)
+{
+	return fvec4SIMD(_mm_sub_ps(v1.Data, v2.Data));
+}
+
+//operator*
+GLM_FUNC_QUALIFIER fvec4SIMD operator* (fvec4SIMD const & v, float s)
+{
+	__m128 par0 = v.Data;
+	__m128 par1 = _mm_set1_ps(s);
+	return fvec4SIMD(_mm_mul_ps(par0, par1));
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator* (float s, fvec4SIMD const & v)
+{
+	__m128 par0 = _mm_set1_ps(s);
+	__m128 par1 = v.Data;
+	return fvec4SIMD(_mm_mul_ps(par0, par1));
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator* (fvec4SIMD const & v1, fvec4SIMD const & v2)
+{
+	return fvec4SIMD(_mm_mul_ps(v1.Data, v2.Data));
+}
+
+//operator/
+GLM_FUNC_QUALIFIER fvec4SIMD operator/ (fvec4SIMD const & v, float s)
+{
+	__m128 par0 = v.Data;
+	__m128 par1 = _mm_set1_ps(s);
+	return fvec4SIMD(_mm_div_ps(par0, par1));
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator/ (float s, fvec4SIMD const & v)
+{
+	__m128 par0 = _mm_set1_ps(s);
+	__m128 par1 = v.Data;
+	return fvec4SIMD(_mm_div_ps(par0, par1));
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator/ (fvec4SIMD const & v1, fvec4SIMD const & v2)
+{
+	return fvec4SIMD(_mm_div_ps(v1.Data, v2.Data));
+}
+
+// Unary constant operators
+GLM_FUNC_QUALIFIER fvec4SIMD operator- (fvec4SIMD const & v)
+{
+	return fvec4SIMD(_mm_sub_ps(_mm_setzero_ps(), v.Data));
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator++ (fvec4SIMD const & v, int)
+{
+	return fvec4SIMD(_mm_add_ps(v.Data, glm::detail::one));
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD operator-- (fvec4SIMD const & v, int)
+{
+	return fvec4SIMD(_mm_sub_ps(v.Data, glm::detail::one));
+}
+
+}//namespace detail
+
+GLM_FUNC_QUALIFIER detail::tvec4<float> vec4_cast
+(
+	detail::fvec4SIMD const & x
+)
+{
+	GLM_ALIGN(16) detail::tvec4<float> Result;
+	_mm_store_ps(&Result[0], x.Data);
+	return Result;
+}
+
+// Other possible implementation
+//float abs(float a)
+//{
+//  return max(-a, a);
+//}
+GLM_FUNC_QUALIFIER detail::fvec4SIMD abs
+(
+	detail::fvec4SIMD const & x
+)
+{
+	return detail::sse_abs_ps(x.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD sign
+(
+	detail::fvec4SIMD const & x
+)
+{
+	return detail::sse_sgn_ps(x.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD floor
+(
+	detail::fvec4SIMD const & x
+)
+{
+	return detail::sse_flr_ps(x.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD trunc
+(
+	detail::fvec4SIMD const & x
+)
+{
+    //return x < 0 ? -floor(-x) : floor(x);
+
+	__m128 Flr0 = detail::sse_flr_ps(_mm_sub_ps(_mm_setzero_ps(), x.Data));
+	__m128 Sub0 = _mm_sub_ps(Flr0, x.Data);
+	__m128 Flr1 = detail::sse_flr_ps(x.Data);
+
+	__m128 Cmp0 = _mm_cmplt_ps(x.Data, glm::detail::zero);
+	__m128 Cmp1 = _mm_cmpnlt_ps(x.Data, glm::detail::zero);
+
+	__m128 And0 = _mm_and_ps(Sub0, Cmp0);
+	__m128 And1 = _mm_and_ps(Flr1, Cmp1);
+
+	return _mm_or_ps(And0, And1);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD round
+(
+	detail::fvec4SIMD const & x
+)
+{
+	return detail::sse_rnd_ps(x.Data);
+}
+
+//GLM_FUNC_QUALIFIER detail::fvec4SIMD roundEven
+//(
+//	detail::fvec4SIMD const & x
+//)
+//{
+
+//}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD ceil
+(
+	detail::fvec4SIMD const & x
+)
+{
+	return detail::sse_ceil_ps(x.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD fract
+(
+	detail::fvec4SIMD const & x
+)
+{
+	return detail::sse_frc_ps(x.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD mod
+(
+	detail::fvec4SIMD const & x, 
+	detail::fvec4SIMD const & y
+)
+{
+	return detail::sse_mod_ps(x.Data, y.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD mod
+(
+	detail::fvec4SIMD const & x, 
+	float const & y
+)
+{
+	return detail::sse_mod_ps(x.Data, _mm_set1_ps(y));
+}
+
+//GLM_FUNC_QUALIFIER detail::fvec4SIMD modf
+//(
+//	detail::fvec4SIMD const & x, 
+//	detail::fvec4SIMD & i
+//)
+//{
+
+//}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD min
+(
+	detail::fvec4SIMD const & x, 
+	detail::fvec4SIMD const & y
+)
+{
+	return _mm_min_ps(x.Data, y.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD min
+(
+	detail::fvec4SIMD const & x, 
+	float const & y
+)
+{
+	return _mm_min_ps(x.Data, _mm_set1_ps(y));
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD max
+(
+	detail::fvec4SIMD const & x, 
+	detail::fvec4SIMD const & y
+)
+{
+	return _mm_max_ps(x.Data, y.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD max
+(
+	detail::fvec4SIMD const & x, 
+	float const & y
+)
+{
+	return _mm_max_ps(x.Data, _mm_set1_ps(y));
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD clamp
+(
+	detail::fvec4SIMD const & x, 
+	detail::fvec4SIMD const & minVal, 
+	detail::fvec4SIMD const & maxVal
+)
+{
+	return detail::sse_clp_ps(x.Data, minVal.Data, maxVal.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD clamp
+(
+	detail::fvec4SIMD const & x, 
+	float const & minVal, 
+	float const & maxVal
+) 
+{
+	return detail::sse_clp_ps(x.Data, _mm_set1_ps(minVal), _mm_set1_ps(maxVal));
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD mix
+(
+	detail::fvec4SIMD const & x, 
+	detail::fvec4SIMD const & y, 
+	detail::fvec4SIMD const & a
+)
+{
+	__m128 Sub0 = _mm_sub_ps(y.Data, x.Data);
+	__m128 Mul0 = _mm_mul_ps(a.Data, Sub0);
+	return _mm_add_ps(x.Data, Mul0);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD step
+(
+	detail::fvec4SIMD const & edge, 
+	detail::fvec4SIMD const & x
+)
+{
+	__m128 cmp0 = _mm_cmpngt_ps(x.Data, edge.Data);
+	return _mm_max_ps(_mm_min_ps(cmp0, _mm_setzero_ps()), detail::one);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD step
+(
+	float const & edge, 
+	detail::fvec4SIMD const & x
+)
+{
+	__m128 cmp0 = _mm_cmpngt_ps(x.Data, _mm_set1_ps(edge));
+	return _mm_max_ps(_mm_min_ps(cmp0, _mm_setzero_ps()), detail::one);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD smoothstep
+(
+	detail::fvec4SIMD const & edge0, 
+	detail::fvec4SIMD const & edge1, 
+	detail::fvec4SIMD const & x
+)
+{
+	return detail::sse_ssp_ps(edge0.Data, edge1.Data, x.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD smoothstep
+(
+	float const & edge0, 
+	float const & edge1, 
+	detail::fvec4SIMD const & x
+)
+{
+	return detail::sse_ssp_ps(_mm_set1_ps(edge0), _mm_set1_ps(edge1), x.Data);
+}
+
+//GLM_FUNC_QUALIFIER bvec4 isnan(detail::fvec4SIMD const & x)
+//{
+
+//}
+
+//GLM_FUNC_QUALIFIER bvec4 isinf(detail::fvec4SIMD const & x)
+//{
+
+//}
+
+//GLM_FUNC_QUALIFIER detail::ivec4SIMD floatBitsToInt
+//(
+//	detail::fvec4SIMD const & value
+//)
+//{
+
+//}
+
+//GLM_FUNC_QUALIFIER detail::fvec4SIMD intBitsToFloat
+//(
+//	detail::ivec4SIMD const & value
+//)
+//{
+
+//}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD fma
+(
+	detail::fvec4SIMD const & a, 
+	detail::fvec4SIMD const & b, 
+	detail::fvec4SIMD const & c
+)
+{
+	return _mm_add_ps(_mm_mul_ps(a.Data, b.Data), c.Data);
+}
+
+GLM_FUNC_QUALIFIER float length
+(
+	detail::fvec4SIMD const & x
+)
+{
+	detail::fvec4SIMD dot0 = detail::sse_dot_ss(x.Data, x.Data);
+	detail::fvec4SIMD sqt0 = sqrt(dot0);
+	float Result = 0;
+	_mm_store_ss(&Result, sqt0.Data);
+	return Result;
+}
+
+GLM_FUNC_QUALIFIER float fastLength
+(
+	detail::fvec4SIMD const & x
+)
+{
+	detail::fvec4SIMD dot0 = detail::sse_dot_ss(x.Data, x.Data);
+	detail::fvec4SIMD sqt0 = fastSqrt(dot0);
+	float Result = 0;
+	_mm_store_ss(&Result, sqt0.Data);
+	return Result;
+}
+
+GLM_FUNC_QUALIFIER float niceLength
+(
+	detail::fvec4SIMD const & x
+)
+{
+	detail::fvec4SIMD dot0 = detail::sse_dot_ss(x.Data, x.Data);
+	detail::fvec4SIMD sqt0 = niceSqrt(dot0);
+	float Result = 0;
+	_mm_store_ss(&Result, sqt0.Data);
+	return Result;
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD length4
+(
+	detail::fvec4SIMD const & x
+)
+{
+	return sqrt(dot4(x, x));
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD fastLength4
+(
+	detail::fvec4SIMD const & x
+)
+{
+	return fastSqrt(dot4(x, x));
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD niceLength4
+(
+	detail::fvec4SIMD const & x
+)
+{
+	return niceSqrt(dot4(x, x));
+}
+
+GLM_FUNC_QUALIFIER float distance
+(
+	detail::fvec4SIMD const & p0,
+	detail::fvec4SIMD const & p1
+)
+{
+	float Result = 0;
+	_mm_store_ss(&Result, detail::sse_dst_ps(p0.Data, p1.Data));
+	return Result;
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD distance4
+(
+	detail::fvec4SIMD const & p0,
+	detail::fvec4SIMD const & p1
+)
+{
+	return detail::sse_dst_ps(p0.Data, p1.Data);
+}
+
+GLM_FUNC_QUALIFIER float dot
+(
+	detail::fvec4SIMD const & x,
+	detail::fvec4SIMD const & y
+)
+{
+	float Result = 0;
+	_mm_store_ss(&Result, detail::sse_dot_ss(x.Data, y.Data));
+	return Result;
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD dot4
+(
+	detail::fvec4SIMD const & x,
+	detail::fvec4SIMD const & y
+)
+{
+	return detail::sse_dot_ps(x.Data, y.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD cross
+(
+	detail::fvec4SIMD const & x,
+	detail::fvec4SIMD const & y
+)
+{
+	return detail::sse_xpd_ps(x.Data, y.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD normalize
+(
+	detail::fvec4SIMD const & x
+)
+{
+	__m128 dot0 = detail::sse_dot_ps(x.Data, x.Data);
+	__m128 isr0 = inversesqrt(detail::fvec4SIMD(dot0)).Data;
+	__m128 mul0 = _mm_mul_ps(x.Data, isr0);
+	return mul0;
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD fastNormalize
+(
+	detail::fvec4SIMD const & x
+)
+{
+	__m128 dot0 = detail::sse_dot_ps(x.Data, x.Data);
+	__m128 isr0 = fastInversesqrt(dot0).Data;
+	__m128 mul0 = _mm_mul_ps(x.Data, isr0);
+	return mul0;
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD faceforward
+(
+	detail::fvec4SIMD const & N,
+	detail::fvec4SIMD const & I,
+	detail::fvec4SIMD const & Nref
+)
+{
+	return detail::sse_ffd_ps(N.Data, I.Data, Nref.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD reflect
+(
+	detail::fvec4SIMD const & I,
+	detail::fvec4SIMD const & N
+)
+{
+	return detail::sse_rfe_ps(I.Data, N.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD refract
+(
+	detail::fvec4SIMD const & I,
+	detail::fvec4SIMD const & N,
+	float const & eta
+)
+{
+	return detail::sse_rfa_ps(I.Data, N.Data, _mm_set1_ps(eta));
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD sqrt(detail::fvec4SIMD const & x)
+{
+	return _mm_mul_ps(inversesqrt(x).Data, x.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD niceSqrt(detail::fvec4SIMD const & x)
+{
+	return _mm_sqrt_ps(x.Data);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD fastSqrt(detail::fvec4SIMD const & x)
+{
+	return _mm_mul_ps(fastInversesqrt(x.Data).Data, x.Data);
+}
+
+// SSE scalar reciprocal sqrt using rsqrt op, plus one Newton-Rhaphson iteration
+// By Elan Ruskin, http://assemblyrequired.crashworks.org/
+GLM_FUNC_QUALIFIER detail::fvec4SIMD inversesqrt(detail::fvec4SIMD const & x)
+{
+	GLM_ALIGN(4) static const __m128 three = {3, 3, 3, 3}; // aligned consts for fast load
+	GLM_ALIGN(4) static const __m128 half = {0.5,0.5,0.5,0.5};
+
+	__m128 recip = _mm_rsqrt_ps(x.Data);  // "estimate" opcode
+	__m128 halfrecip = _mm_mul_ps(half, recip);
+	__m128 threeminus_xrr = _mm_sub_ps(three, _mm_mul_ps(x.Data, _mm_mul_ps(recip, recip)));
+	return _mm_mul_ps(halfrecip, threeminus_xrr);
+}
+
+GLM_FUNC_QUALIFIER detail::fvec4SIMD fastInversesqrt(detail::fvec4SIMD const & x)
+{
+	return _mm_rsqrt_ps(x.Data);
+}
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/spline.hpp b/include/gal/opengl/glm/gtx/spline.hpp
new file mode 100644
index 0000000..e9035ce
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/spline.hpp
@@ -0,0 +1,90 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_spline
+/// @file glm/gtx/spline.hpp
+/// @date 2007-01-25 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_spline GLM_GTX_spline
+/// @ingroup gtx
+/// 
+/// @brief Spline functions
+/// 
+/// <glm/gtx/spline.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_spline
+#define GLM_GTX_spline GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/optimum_pow.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_spline extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_spline
+	/// @{
+
+	//! Return a point from a catmull rom curve.
+	//! From GLM_GTX_spline extension.
+	template <typename genType> 
+	genType catmullRom(
+		genType const & v1, 
+		genType const & v2, 
+		genType const & v3, 
+		genType const & v4, 
+		typename genType::value_type const & s);
+		
+	//! Return a point from a hermite curve.
+	//! From GLM_GTX_spline extension.
+    template <typename genType> 
+	genType hermite(
+		genType const & v1, 
+		genType const & t1, 
+		genType const & v2, 
+		genType const & t2, 
+		typename genType::value_type const & s);
+		
+    //! Return a point from a cubic curve. 
+	//! From GLM_GTX_spline extension.
+	template <typename genType> 
+	genType cubic(
+		genType const & v1, 
+		genType const & v2, 
+		genType const & v3, 
+		genType const & v4, 
+		typename genType::value_type const & s);
+
+	/// @}
+}//namespace glm
+
+#include "spline.inl"
+
+#endif//GLM_GTX_spline
+
diff --git a/include/gal/opengl/glm/gtx/spline.inl b/include/gal/opengl/glm/gtx/spline.inl
new file mode 100644
index 0000000..6a6509e
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/spline.inl
@@ -0,0 +1,70 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-01-25
+// Updated : 2009-02-19
+// Licence : This source is under MIT License
+// File    : glm/gtx/spline.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm{
+
+template <typename genType>
+GLM_FUNC_QUALIFIER genType catmullRom
+(
+	genType const & v1, 
+	genType const & v2, 
+	genType const & v3, 
+	genType const & v4, 
+	typename genType::value_type const & s
+)
+{
+	typename genType::value_type s1 = s;
+	typename genType::value_type s2 = pow2(s);
+	typename genType::value_type s3 = pow3(s);
+
+	typename genType::value_type f1 = -s3 + typename genType::value_type(2) * s2 - s;
+	typename genType::value_type f2 = typename genType::value_type(3) * s3 - typename genType::value_type(5) * s2 + typename genType::value_type(2);
+	typename genType::value_type f3 = typename genType::value_type(-3) * s3 + typename genType::value_type(4) * s2 + s;
+	typename genType::value_type f4 = s3 - s2;
+
+	return (f1 * v1 + f2 * v2 + f3 * v3 + f4 * v4) / typename genType::value_type(2);
+
+}
+
+template <typename genType>
+GLM_FUNC_QUALIFIER genType hermite
+(
+	genType const & v1, 
+	genType const & t1, 
+	genType const & v2, 
+	genType const & t2, 
+	typename genType::value_type const & s
+)
+{
+	typename genType::value_type s1 = s;
+	typename genType::value_type s2 = pow2(s);
+	typename genType::value_type s3 = pow3(s);
+
+	typename genType::value_type f1 = typename genType::value_type(2) * s3 - typename genType::value_type(3) * s2 + typename genType::value_type(1);
+	typename genType::value_type f2 = typename genType::value_type(-2) * s3 + typename genType::value_type(3) * s2;
+	typename genType::value_type f3 = s3 - typename genType::value_type(2) * s2 + s;
+	typename genType::value_type f4 = s3 - s2;
+
+	return f1 * v1 + f2 * v2 + f3 * t1 + f4 * t2;
+}
+
+template <typename genType>
+GLM_FUNC_QUALIFIER genType cubic
+(
+	genType const & v1, 
+	genType const & v2, 
+	genType const & v3, 
+	genType const & v4, 
+	typename genType::value_type const & s
+)
+{
+	return ((v1 * s + v2) * s + v3) * s + v4;
+}
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/std_based_type.hpp b/include/gal/opengl/glm/gtx/std_based_type.hpp
new file mode 100644
index 0000000..c5c04dc
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/std_based_type.hpp
@@ -0,0 +1,83 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_std_based_type
+/// @file glm/gtx/std_based_type.hpp
+/// @date 2008-06-08 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_extented_min_max (dependence)
+///
+/// @defgroup gtx_std_based_type GLM_GTX_std_based_type
+/// @ingroup gtx
+/// 
+/// @brief Adds vector types based on STL value types.
+/// <glm/gtx/std_based_type.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_std_based_type
+#define GLM_GTX_std_based_type GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include <cstdlib>
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_std_based_type extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_std_based_type
+	/// @{
+	
+	/// Vector type based of two std::size_t components.
+	/// @see GLM_GTX_std_based_type
+	typedef detail::tvec2<std::size_t>		size2;
+	
+	/// Vector type based of three std::size_t components.
+	/// @see GLM_GTX_std_based_type
+	typedef detail::tvec3<std::size_t>		size3;
+
+	/// Vector type based of four std::size_t components.
+	/// @see GLM_GTX_std_based_type
+	typedef detail::tvec4<std::size_t>		size4;
+
+	/// Vector type based of two std::size_t components.
+	/// @see GLM_GTX_std_based_type
+	typedef detail::tvec2<std::size_t>		size2_t;
+	
+	/// Vector type based of three std::size_t components.
+	/// @see GLM_GTX_std_based_type
+	typedef detail::tvec3<std::size_t>		size3_t;
+	
+	/// Vector type based of four std::size_t components.
+	/// @see GLM_GTX_std_based_type
+	typedef detail::tvec4<std::size_t>		size4_t;
+
+	/// @}
+}//namespace glm
+
+#include "std_based_type.inl"
+
+#endif//GLM_GTX_std_based_type
diff --git a/include/gal/opengl/glm/gtx/std_based_type.inl b/include/gal/opengl/glm/gtx/std_based_type.inl
new file mode 100644
index 0000000..e349c4a
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/std_based_type.inl
@@ -0,0 +1,13 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2008-06-08
+// Updated : 2008-06-08
+// Licence : This source is under MIT License
+// File    : glm/gtx/std_based_type.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+
+}
diff --git a/include/gal/opengl/glm/gtx/string_cast.hpp b/include/gal/opengl/glm/gtx/string_cast.hpp
new file mode 100644
index 0000000..b306093
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/string_cast.hpp
@@ -0,0 +1,70 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_string_cast
+/// @file glm/gtx/string_cast.hpp
+/// @date 2008-04-26 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtc_half_float (dependence)
+/// @see gtx_integer (dependence)
+/// @see gtx_quaternion (dependence)
+///
+/// @defgroup gtx_string_cast GLM_GTX_string_cast
+/// @ingroup gtx
+/// 
+/// @brief Setup strings for GLM type values
+/// 
+/// <glm/gtx/string_cast.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_string_cast
+#define GLM_GTX_string_cast GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtc/half_float.hpp"
+#include "../gtx/integer.hpp"
+#include "../gtx/quaternion.hpp"
+#include <string>
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_string_cast extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_string_cast
+	/// @{
+
+	/// Create a string from a GLM type value.
+	/// From GLM_GTX_string_cast extension.
+	template <typename genType> 
+	std::string to_string(genType const & x);
+
+	/// @}
+}//namespace glm
+
+#include "string_cast.inl"
+
+#endif//GLM_GTX_string_cast
diff --git a/include/gal/opengl/glm/gtx/string_cast.inl b/include/gal/opengl/glm/gtx/string_cast.inl
new file mode 100644
index 0000000..d0e8f43
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/string_cast.inl
@@ -0,0 +1,588 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2006 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2008-04-27
+// Updated : 2008-05-24
+// Licence : This source is under MIT License
+// File    : glm/gtx/string_cast.hpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#include <cstdarg>
+#include <cstdio>
+
+namespace glm{
+namespace detail
+{
+	GLM_FUNC_QUALIFIER std::string format(const char* msg, ...)
+	{
+		std::size_t const STRING_BUFFER(4096);
+		char text[STRING_BUFFER];
+		va_list list;
+
+		if(msg == 0)
+			return std::string();
+
+		va_start(list, msg);
+
+#if((GLM_COMPILER & GLM_COMPILER_VC) && (GLM_COMPILER >= GLM_COMPILER_VC2005))
+			vsprintf_s(text, STRING_BUFFER, msg, list);
+#else//
+			vsprintf(text, msg, list);
+#endif//
+		va_end(list);
+
+		return std::string(text);
+	}
+
+	static const char* True = "true";
+	static const char* False = "false";
+}//namespace detail
+
+	////////////////////////////////
+	// Scalars
+
+	GLM_FUNC_QUALIFIER std::string to_string(detail::half const & x)
+	{
+		return detail::format("half(%2.4f)", float(x));
+	}
+
+	GLM_FUNC_QUALIFIER std::string to_string(float x)
+	{
+		return detail::format("float(%f)", x);
+	}
+
+	GLM_FUNC_QUALIFIER std::string to_string(double x)
+	{
+		return detail::format("double(%f)", x);
+	}
+
+	GLM_FUNC_QUALIFIER std::string to_string(int x)
+	{
+		return detail::format("int(%d)", x);
+	}
+
+	GLM_FUNC_QUALIFIER std::string to_string(unsigned int x)
+	{
+		return detail::format("uint(%d)", x);
+	}
+
+	////////////////////////////////
+	// Bool vectors
+
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec2<bool> const & v
+	)
+	{
+		return detail::format("bvec2(%s, %s)", 
+			v.x ? detail::True : detail::False, 
+			v.y ? detail::True : detail::False);
+	}
+
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec3<bool> const & v
+	)
+	{
+		return detail::format("bvec3(%s, %s, %s)", 
+			v.x ? detail::True : detail::False, 
+			v.y ? detail::True : detail::False, 
+			v.z ? detail::True : detail::False);
+	}
+
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec4<bool> const & v
+	)
+	{
+		return detail::format("bvec4(%s, %s, %s, %s)", 
+			v.x ? detail::True : detail::False, 
+			v.y ? detail::True : detail::False, 
+			v.z ? detail::True : detail::False, 
+			v.w ? detail::True : detail::False);
+	}
+
+	////////////////////////////////
+	// Half vectors
+
+	template <>
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec2<detail::half> const & v
+	)
+	{
+		return detail::format("hvec2(%2.4f, %2.4f)", v.x.toFloat(), v.y.toFloat());
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec3<detail::half> const & v
+	)
+	{
+		return detail::format("hvec3(%2.4f, %2.4f, %2.4f)", v.x.toFloat(), v.y.toFloat(), v.z.toFloat());
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec4<detail::half> const & v
+	)
+	{
+		return detail::format("hvec4(%2.4f, %2.4f, %2.4f, %2.4f)", v.x.toFloat(), v.y.toFloat(), v.z.toFloat(), v.w.toFloat());
+	}
+
+	////////////////////////////////
+	// Float vectors
+
+	template <>
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec2<float> const & v
+	)
+	{
+		return detail::format("fvec2(%f, %f)", v.x, v.y);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec3<float> const & v
+	)
+	{
+		return detail::format("fvec3(%f, %f, %f)", v.x, v.y, v.z);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec4<float> const & v
+	)
+	{
+		return detail::format("fvec4(%f, %f, %f, %f)", v.x, v.y, v.z, v.w);
+	}
+
+	////////////////////////////////
+	// Double vectors
+
+	template <>
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec2<double> const & v
+	)
+	{
+		return detail::format("dvec2(%f, %f)", v.x, v.y);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec3<double> const & v
+	)
+	{
+		return detail::format("dvec3(%f, %f, %f)", v.x, v.y, v.z);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec4<double> const & v
+	)
+	{
+		return detail::format("dvec4(%f, %f, %f, %f)", v.x, v.y, v.z, v.w);
+	}
+
+	////////////////////////////////
+	// Int vectors
+
+	template <>
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec2<int> const & v
+	)
+	{
+		return detail::format("ivec2(%d, %d)", v.x, v.y);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec3<int> const & v
+	)
+	{
+		return detail::format("ivec3(%d, %d, %d)", v.x, v.y, v.z);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec4<int> const & v
+	)
+	{
+		return detail::format("ivec4(%d, %d, %d, %d)", v.x, v.y, v.z, v.w);
+	}
+
+	////////////////////////////////
+	// Unsigned int vectors
+
+	template <>
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec2<unsigned int> const & v
+	)
+	{
+		return detail::format("uvec2(%d, %d)", v.x, v.y);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec3<unsigned int> const & v
+	)
+	{
+		return detail::format("uvec3(%d, %d, %d)", v.x, v.y, v.z);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tvec4<unsigned int> const & v
+	)
+	{
+		return detail::format("uvec4(%d, %d, %d, %d)", v.x, v.y, v.z, v.w);
+	}
+
+	////////////////////////////////
+	// Half matrices
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat2x2<detail::half> const & m
+	)
+	{
+		return detail::format("hmat2x2((%f, %f), (%f, %f))", 
+			m[0][0].toFloat(), m[0][1].toFloat(), 
+			m[1][0].toFloat(), m[1][1].toFloat());
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat2x3<detail::half> const & x
+	)
+	{
+		return detail::format("hmat2x3((%f, %f, %f), (%f, %f, %f))", 
+			x[0][0].toFloat(), x[0][1].toFloat(), x[0][2].toFloat(), 
+			x[1][0].toFloat(), x[1][1].toFloat(), x[1][2].toFloat());
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat2x4<detail::half> const & x
+	)
+	{
+		return detail::format("hmat2x4((%f, %f, %f, %f), (%f, %f, %f, %f))", 
+			x[0][0].toFloat(), x[0][1].toFloat(), x[0][2].toFloat(), x[0][3].toFloat(), 
+			x[1][0].toFloat(), x[1][1].toFloat(), x[1][2].toFloat(), x[1][3].toFloat());
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat3x2<detail::half> const & x
+	)
+	{
+		return detail::format("hmat3x2((%f, %f), (%f, %f), (%f, %f))", 
+			x[0][0].toFloat(), x[0][1].toFloat(), 
+			x[1][0].toFloat(), x[1][1].toFloat(), 
+			x[2][0].toFloat(), x[2][1].toFloat());
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat3x3<detail::half> const & x
+	)
+	{
+		return detail::format("hmat3x3((%f, %f, %f), (%f, %f, %f), (%f, %f, %f))", 
+			x[0][0].toFloat(), x[0][1].toFloat(), x[0][2].toFloat(), 
+			x[1][0].toFloat(), x[1][1].toFloat(), x[1][2].toFloat(),
+			x[2][0].toFloat(), x[2][1].toFloat(), x[2][2].toFloat());
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat3x4<detail::half> const & x
+	)
+	{
+		return detail::format("hmat3x4((%f, %f, %f, %f), (%f, %f, %f, %f), (%f, %f, %f, %f))", 
+			x[0][0].toFloat(), x[0][1].toFloat(), x[0][2].toFloat(), x[0][3].toFloat(), 
+			x[1][0].toFloat(), x[1][1].toFloat(), x[1][2].toFloat(), x[1][3].toFloat(), 
+			x[2][0].toFloat(), x[2][1].toFloat(), x[2][2].toFloat(), x[2][3].toFloat());
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat4x2<detail::half> const & x
+	)
+	{
+		return detail::format("hmat4x2((%f, %f), (%f, %f), (%f, %f), (%f, %f))", 
+			x[0][0].toFloat(), x[0][1].toFloat(), 
+			x[1][0].toFloat(), x[1][1].toFloat(), 
+			x[2][0].toFloat(), x[2][1].toFloat(), 
+			x[3][0].toFloat(), x[3][1].toFloat());
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat4x3<detail::half> const & x
+	)
+	{
+		return detail::format("hmat4x3((%f, %f, %f), (%f, %f, %f), (%f, %f, %f), (%f, %f, %f))", 
+			x[0][0].toFloat(), x[0][1].toFloat(), x[0][2].toFloat(),
+			x[1][0].toFloat(), x[1][1].toFloat(), x[1][2].toFloat(), 
+			x[2][0].toFloat(), x[2][1].toFloat(), x[2][2].toFloat(),
+			x[3][0].toFloat(), x[3][1].toFloat(), x[3][2].toFloat());
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat4x4<detail::half> const & x
+	)
+	{
+		return detail::format("hmat4x4((%f, %f, %f, %f), (%f, %f, %f, %f), (%f, %f, %f, %f), (%f, %f, %f, %f))", 
+			x[0][0].toFloat(), x[0][1].toFloat(), x[0][2].toFloat(), x[0][3].toFloat(),
+			x[1][0].toFloat(), x[1][1].toFloat(), x[1][2].toFloat(), x[1][3].toFloat(),
+			x[2][0].toFloat(), x[2][1].toFloat(), x[2][2].toFloat(), x[2][3].toFloat(),
+			x[3][0].toFloat(), x[3][1].toFloat(), x[3][2].toFloat(), x[3][3].toFloat());
+	}
+
+	////////////////////////////////
+	// Float matrices
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat2x2<float> const & x
+	)
+	{
+		return detail::format("mat2x2((%f, %f), (%f, %f))", 
+			x[0][0], x[0][1], 
+			x[1][0], x[1][1]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat2x3<float> const & x
+	)
+	{
+		return detail::format("mat2x3((%f, %f, %f), (%f, %f, %f))", 
+			x[0][0], x[0][1], x[0][2], 
+			x[1][0], x[1][1], x[1][2]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat2x4<float> const & x
+	)
+	{
+		return detail::format("mat2x4((%f, %f, %f, %f), (%f, %f, %f, %f))", 
+			x[0][0], x[0][1], x[0][2], x[0][3], 
+			x[1][0], x[1][1], x[1][2], x[1][3]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat3x2<float> const & x
+	)
+	{
+		return detail::format("mat3x2((%f, %f), (%f, %f), (%f, %f))", 
+			x[0][0], x[0][1], 
+			x[1][0], x[1][1], 
+			x[2][0], x[2][1]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat3x3<float> const & x
+	)
+	{
+		return detail::format("mat3x3((%f, %f, %f), (%f, %f, %f), (%f, %f, %f))", 
+			x[0][0], x[0][1], x[0][2], 
+			x[1][0], x[1][1], x[1][2],
+			x[2][0], x[2][1], x[2][2]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat3x4<float> const & x
+	)
+	{
+		return detail::format("mat3x4((%f, %f, %f, %f), (%f, %f, %f, %f), (%f, %f, %f, %f))", 
+			x[0][0], x[0][1], x[0][2], x[0][3], 
+			x[1][0], x[1][1], x[1][2], x[1][3], 
+			x[2][0], x[2][1], x[2][2], x[2][3]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat4x2<float> const & x
+	)
+	{
+		return detail::format("mat4x2((%f, %f), (%f, %f), (%f, %f), (%f, %f))", 
+			x[0][0], x[0][1], 
+			x[1][0], x[1][1], 
+			x[2][0], x[2][1], 
+			x[3][0], x[3][1]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat4x3<float> const & x
+	)
+	{
+		return detail::format("mat4x3((%f, %f, %f), (%f, %f, %f), (%f, %f, %f), (%f, %f, %f))", 
+			x[0][0], x[0][1], x[0][2],
+			x[1][0], x[1][1], x[1][2], 
+			x[2][0], x[2][1], x[2][2],
+			x[3][0], x[3][1], x[3][2]);
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat4x4<float> const & x
+	)
+	{
+		return detail::format("mat4x4((%f, %f, %f, %f), (%f, %f, %f, %f), (%f, %f, %f, %f), (%f, %f, %f, %f))", 
+			x[0][0], x[0][1], x[0][2], x[0][3],
+			x[1][0], x[1][1], x[1][2], x[1][3],
+			x[2][0], x[2][1], x[2][2], x[2][3],
+			x[3][0], x[3][1], x[3][2], x[3][3]);
+	}
+
+	////////////////////////////////
+	// Double matrices
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat2x2<double> const & x
+	)
+	{
+		return detail::format("dmat2x2((%f, %f), (%f, %f))", 
+			x[0][0], x[0][1], 
+			x[1][0], x[1][1]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat2x3<double> const & x
+	)
+	{
+		return detail::format("dmat2x3((%f, %f, %f), (%f, %f, %f))", 
+			x[0][0], x[0][1], x[0][2], 
+			x[1][0], x[1][1], x[1][2]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat2x4<double> const & x
+	)
+	{
+		return detail::format("dmat2x4((%f, %f, %f, %f), (%f, %f, %f, %f))", 
+			x[0][0], x[0][1], x[0][2], x[0][3], 
+			x[1][0], x[1][1], x[1][2], x[1][3]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat3x2<double> const & x
+	)
+	{
+		return detail::format("dmat3x2((%f, %f), (%f, %f), (%f, %f))", 
+			x[0][0], x[0][1], 
+			x[1][0], x[1][1],
+			x[2][0], x[2][1]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat3x3<double> const & x
+	)
+	{
+		return detail::format("dmat3x3((%f, %f, %f), (%f, %f, %f), (%f, %f, %f))", 
+			x[0][0], x[0][1], x[0][2], 
+			x[1][0], x[1][1], x[1][2],
+			x[2][0], x[2][1], x[2][2]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat3x4<double> const & x
+	)
+	{
+		return detail::format("dmat3x4((%f, %f, %f, %f), (%f, %f, %f, %f), (%f, %f, %f, %f))", 
+			x[0][0], x[0][1], x[0][2], x[0][3], 
+			x[1][0], x[1][1], x[1][2], x[1][3],
+			x[2][0], x[2][1], x[2][2], x[2][3]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat4x2<double> const & x
+	)
+	{
+		return detail::format("dmat4x2((%f, %f), (%f, %f), (%f, %f), (%f, %f))", 
+			x[0][0], x[0][1], 
+			x[1][0], x[1][1], 
+			x[2][0], x[2][1], 
+			x[3][0], x[3][1]);
+	}
+
+	template <> 
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat4x3<double> const & x
+	)
+	{
+		return detail::format("dmat4x3((%f, %f, %f), (%f, %f, %f), (%f, %f, %f), (%f, %f, %f))", 
+			x[0][0], x[0][1], x[0][2], 
+			x[1][0], x[1][1], x[1][2], 
+			x[2][0], x[2][1], x[2][2], 
+			x[3][0], x[3][1], x[3][2]);
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER std::string to_string
+	(
+		detail::tmat4x4<double> const & x
+	)
+	{
+		return detail::format("dmat4x4((%f, %f, %f, %f), (%f, %f, %f, %f), (%f, %f, %f, %f), (%f, %f, %f, %f))", 
+			x[0][0], x[0][1], x[0][2], x[0][3],
+			x[1][0], x[1][1], x[1][2], x[1][3],
+			x[2][0], x[2][1], x[2][2], x[2][3],
+			x[3][0], x[3][1], x[3][2], x[3][3]);
+	}
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/transform.hpp b/include/gal/opengl/glm/gtx/transform.hpp
new file mode 100644
index 0000000..8929e46
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/transform.hpp
@@ -0,0 +1,131 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_transform
+/// @file glm/gtx/transform.hpp
+/// @date 2005-12-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtc_matrix_transform (dependence)
+/// @see gtx_transform
+/// @see gtx_transform2
+///
+/// @defgroup gtx_transform GLM_GTX_transform
+/// @ingroup gtx
+///
+/// @brief Add transformation matrices
+/// 
+/// <glm/gtx/transform.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_transform 
+#define GLM_GTX_transform GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtc/matrix_transform.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_transform extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_transform
+	/// @{
+
+	//! Builds a translation 4 * 4 matrix created from 3 scalars.
+	//! - From \link gtx_transform GLM_GTX_transform \endlink extension
+	// - See also: \link glm::translate GLM_GTC_matrix_transform \endlink
+	template <typename T> 
+	detail::tmat4x4<T> translate(
+		T x, T y, T z);
+		
+	//! Transforms a matrix with a translation 4 * 4 matrix created from 3 scalars. 
+	//! - From \link gtx_transform GLM_GTX_transform \endlink extension
+	// - See also: \link glm::translate GLM_GTC_matrix_transform \endlink
+	template <typename T> 
+	detail::tmat4x4<T> translate(
+		detail::tmat4x4<T> const & m, 
+		T x, T y, T z);
+		
+	//! Transforms a matrix with a translation 4 * 4 matrix created from 3 scalars. 
+	//! - From \link gtx_transform GLM_GTX_transform \endlink extension
+	// - See also: \link glm::translate GLM_GTC_matrix_transform \endlink
+	template <typename T> 
+	detail::tmat4x4<T> translate(
+		detail::tvec3<T> const & v);
+
+	//! Builds a rotation 4 * 4 matrix created from an axis of 3 scalars and an angle expressed in degrees. 
+	//! - From \link gtx_transform GLM_GTX_transform \endlink extension
+	// - See also: \link glm::rotate GLM_GTC_matrix_transform \endlink
+	template <typename T> 
+	detail::tmat4x4<T> rotate(
+		T angle, 
+		T x, T y, T z);
+
+	//! Builds a rotation 4 * 4 matrix created from an axis of 3 scalars and an angle expressed in degrees. 
+	//! - From \link gtx_transform GLM_GTX_transform \endlink extension
+	// - See also: \link glm::rotate GLM_GTC_matrix_transform \endlink
+	template <typename T> 
+	detail::tmat4x4<T> rotate(
+		T angle, 
+		detail::tvec3<T> const & v);
+
+	//! Transforms a matrix with a rotation 4 * 4 matrix created from an axis of 3 scalars and an angle expressed in degrees. 
+	//! - From \link gtx_transform GLM_GTX_transform \endlink extension
+	// - See also: \link glm::rotate GLM_GTC_matrix_transform \endlink
+	template <typename T> 
+	detail::tmat4x4<T> rotate(
+		detail::tmat4x4<T> const & m, 
+		T angle, 
+		T x, T y, T z);
+		
+	//! Builds a scale 4 * 4 matrix created from 3 scalars. 
+	//! - From \link gtx_transform GLM_GTX_transform \endlink extension
+	// - See also: \link glm::scale GLM_GTC_matrix_transform \endlink
+	template <typename T> 
+	detail::tmat4x4<T> scale(
+		T x, T y, T z);
+		
+	//! Transforms a matrix with a scale 4 * 4 matrix created from 3 scalars.
+	//! - From \link gtx_transform GLM_GTX_transform \endlink extension
+	// - See also: \link glm::scale GLM_GTC_matrix_transform \endlink
+	template <typename T> 
+	detail::tmat4x4<T> scale(
+		detail::tmat4x4<T> const & m, 
+		T x, T y, T z);
+
+	//! Transforms a matrix with a scale 4 * 4 matrix created from a vector of 3 components.
+	//! - From \link gtx_transform GLM_GTX_transform \endlink extension
+	// - See also: \link glm::scale GLM_GTC_matrix_transform \endlink
+	template <typename T> 
+	detail::tmat4x4<T> scale(
+		detail::tvec3<T> const & v);
+
+	/// @}
+}// namespace glm
+
+#include "transform.inl"
+
+#endif//GLM_GTX_transform
diff --git a/include/gal/opengl/glm/gtx/transform.inl b/include/gal/opengl/glm/gtx/transform.inl
new file mode 100644
index 0000000..8f8c921
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/transform.inl
@@ -0,0 +1,90 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2009-04-29
+// Licence : This source is under MIT License
+// File    : glm/gtx/transform.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+    template <typename T> 
+    GLM_FUNC_QUALIFIER detail::tmat4x4<T> translate(
+		T x, T y, T z)
+    {
+		return translate(
+			detail::tmat4x4<T>(1.0f), 
+			detail::tvec3<T>(x, y , z));
+    }
+
+    template <typename T> 
+    GLM_FUNC_QUALIFIER detail::tmat4x4<T> translate(
+		detail::tmat4x4<T> const & m, 
+		T x, T y, T z)
+    {
+        return translate(
+			m, detail::tvec3<T>(x, y , z));
+    }
+
+    template <typename T> 
+    GLM_FUNC_QUALIFIER detail::tmat4x4<T> translate(
+		detail::tvec3<T> const & v)
+    {
+		return translate(
+			detail::tmat4x4<T>(1.0f), v);
+    }
+
+    template <typename T> 
+    GLM_FUNC_QUALIFIER detail::tmat4x4<T> rotate(
+		T angle, 
+		T x, T y, T z)
+    {
+		return rotate(
+			detail::tmat4x4<T>(1), angle, detail::tvec3<T>(x, y, z));
+    }
+
+    template <typename T> 
+    GLM_FUNC_QUALIFIER detail::tmat4x4<T> rotate(
+		T angle, 
+		detail::tvec3<T> const & v)
+    {
+		return rotate(
+			detail::tmat4x4<T>(1), angle, v);
+    }
+
+    template <typename T> 
+    GLM_FUNC_QUALIFIER detail::tmat4x4<T> rotate(
+		detail::tmat4x4<T> const & m, 
+		T angle, 
+		T x, T y, T z)
+    {
+		return rotate(
+			m, angle, detail::tvec3<T>(x, y, z));
+    }
+
+    template <typename T> 
+    GLM_FUNC_QUALIFIER detail::tmat4x4<T> scale(T x, T y, T z)
+    {
+		return scale(
+			detail::tmat4x4<T>(1), detail::tvec3<T>(x, y, z));
+    }
+
+    template <typename T> 
+    GLM_FUNC_QUALIFIER detail::tmat4x4<T> scale(
+		detail::tmat4x4<T> const & m, 
+		T x, T y, T z)
+    {
+        return scale(
+			m, detail::tvec3<T>(x, y, z));
+    }
+
+    template <typename T> 
+    GLM_FUNC_QUALIFIER detail::tmat4x4<T> scale(
+		detail::tvec3<T> const & v)
+    {
+        return scale(
+			detail::tmat4x4<T>(1.0f), v);
+    }
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/transform2.hpp b/include/gal/opengl/glm/gtx/transform2.hpp
new file mode 100644
index 0000000..4c6bd15
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/transform2.hpp
@@ -0,0 +1,135 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_transform2
+/// @file glm/gtx/transform2.hpp
+/// @date 2005-12-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_transform (dependence)
+///
+/// @defgroup gtx_transform2 GLM_GTX_transform2
+/// @ingroup gtx
+/// 
+/// @brief Add extra transformation matrices
+///
+/// <glm/gtx/transform2.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_transform2
+#define GLM_GTX_transform2 GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/transform.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_transform2 extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_transform2
+	/// @{
+
+	//! Transforms a matrix with a shearing on X axis.
+	//! From GLM_GTX_transform2 extension.
+	template <typename T> 
+	detail::tmat3x3<T> shearX2D(
+		detail::tmat3x3<T> const & m, 
+		T y);
+
+	//! Transforms a matrix with a shearing on Y axis.
+	//! From GLM_GTX_transform2 extension.
+	template <typename T> 
+	detail::tmat3x3<T> shearY2D(
+		detail::tmat3x3<T> const & m, 
+		T x);
+
+	//! Transforms a matrix with a shearing on X axis
+	//! From GLM_GTX_transform2 extension.
+	template <typename T> 
+	detail::tmat4x4<T> shearX3D(
+		const detail::tmat4x4<T> & m,
+		T y, 
+		T z);
+		
+	//! Transforms a matrix with a shearing on Y axis.
+	//! From GLM_GTX_transform2 extension.
+	template <typename T> 
+	detail::tmat4x4<T> shearY3D(
+		const detail::tmat4x4<T> & m, 
+		T x, 
+		T z);
+		
+	//! Transforms a matrix with a shearing on Z axis. 
+	//! From GLM_GTX_transform2 extension.
+	template <typename T> 
+	detail::tmat4x4<T> shearZ3D(
+		const detail::tmat4x4<T> & m, 
+		T x, 
+		T y);
+
+	//template <typename T> GLM_FUNC_QUALIFIER detail::tmat4x4<T> shear(const detail::tmat4x4<T> & m, shearPlane, planePoint, angle)
+	// Identity + tan(angle) * cross(Normal, OnPlaneVector)     0
+	// - dot(PointOnPlane, normal) * OnPlaneVector              1
+
+	// Reflect functions seem to don't work
+	//template <typename T> detail::tmat3x3<T> reflect2D(const detail::tmat3x3<T> & m, const detail::tvec3<T>& normal){return reflect2DGTX(m, normal);}									//!< \brief Build a reflection matrix (from GLM_GTX_transform2 extension)
+	//template <typename T> detail::tmat4x4<T> reflect3D(const detail::tmat4x4<T> & m, const detail::tvec3<T>& normal){return reflect3DGTX(m, normal);}									//!< \brief Build a reflection matrix (from GLM_GTX_transform2 extension)
+		
+	//! Build planar projection matrix along normal axis.
+	//! From GLM_GTX_transform2 extension.
+	template <typename T> 
+	detail::tmat3x3<T> proj2D(
+		const detail::tmat3x3<T> & m, 
+		const detail::tvec3<T>& normal);
+				
+	//! Build planar projection matrix along normal axis.
+	//! From GLM_GTX_transform2 extension.
+	template <typename T> 
+	detail::tmat4x4<T> proj3D(
+		const detail::tmat4x4<T> & m, 
+		const detail::tvec3<T>& normal);
+
+	//! Build a scale bias matrix. 
+	//! From GLM_GTX_transform2 extension.
+	template <typename valType> 
+	detail::tmat4x4<valType> scaleBias(
+		valType scale, 
+		valType bias);
+
+	//! Build a scale bias matrix.
+	//! From GLM_GTX_transform2 extension.
+	template <typename valType> 
+	detail::tmat4x4<valType> scaleBias(
+		detail::tmat4x4<valType> const & m, 
+		valType scale, 
+		valType bias);
+
+	/// @}
+}// namespace glm
+
+#include "transform2.inl"
+
+#endif//GLM_GTX_transform2
diff --git a/include/gal/opengl/glm/gtx/transform2.inl b/include/gal/opengl/glm/gtx/transform2.inl
new file mode 100644
index 0000000..06b65f5
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/transform2.inl
@@ -0,0 +1,154 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-02-28
+// Updated : 2005-04-23
+// Licence : This source is under MIT License
+// File : glm/gtx/transform2.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> shearX2D(
+		const detail::tmat3x3<T>& m, 
+		T s)
+	{
+		detail::tmat3x3<T> r(1);
+		r[0][1] = s;
+		return m * r;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> shearY2D(
+		const detail::tmat3x3<T>& m, 
+		T s)
+	{
+		detail::tmat3x3<T> r(1);
+		r[1][0] = s;
+		return m * r;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> shearX3D(
+		const detail::tmat4x4<T>& m, 
+		T s, 
+		T t)
+	{
+		detail::tmat4x4<T> r(1);
+		r[1][0] = s;
+		r[2][0] = t;
+		return m * r;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> shearY3D(
+		const detail::tmat4x4<T>& m, 
+		T s, 
+		T t)
+	{
+		detail::tmat4x4<T> r(1);
+		r[0][1] = s;
+		r[2][1] = t;
+		return m * r;
+	}
+
+	template <typename T>     
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> shearZ3D(
+		const detail::tmat4x4<T>& m, 
+		T s, 
+		T t)
+	{
+		detail::tmat4x4<T> r(1);
+		r[0][2] = s;
+		r[1][2] = t;
+		return m * r;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> reflect2D(
+		const detail::tmat3x3<T>& m, 
+		const detail::tvec3<T>& normal)
+	{
+		detail::tmat3x3<T> r(1);
+		r[0][0] = 1 - 2 * normal.x * normal.x;
+		r[0][1] = -2 * normal.x * normal.y;
+		r[1][0] = -2 * normal.x * normal.y;
+		r[1][1] = 1 - 2 * normal.y * normal.y;
+		return m * r;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> reflect3D(
+		const detail::tmat4x4<T>& m, 
+		const detail::tvec3<T>& normal)
+	{
+		detail::tmat4x4<T> r(1);
+		r[0][0] = 1 - 2 * normal.x * normal.x;
+		r[0][1] = -2 * normal.x * normal.y;
+		r[0][2] = -2 * normal.x * normal.z;
+
+		r[1][0] = -2 * normal.x * normal.y;
+		r[1][1] = 1 - 2 * normal.y * normal.y;
+		r[1][2] = -2 * normal.y * normal.z;
+
+		r[2][0] = -2 * normal.x * normal.z;
+		r[2][1] = -2 * normal.y * normal.z;
+		r[2][2] = 1 - 2 * normal.z * normal.z;
+		return m * r;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> proj2D(
+		const detail::tmat3x3<T>& m, 
+		const detail::tvec3<T>& normal)
+	{
+		detail::tmat3x3<T> r(1);
+		r[0][0] = 1 - normal.x * normal.x;
+		r[0][1] = - normal.x * normal.y;
+		r[1][0] = - normal.x * normal.y;
+		r[1][1] = 1 - normal.y * normal.y;
+		return m * r;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> proj3D(
+		const detail::tmat4x4<T>& m, 
+		const detail::tvec3<T>& normal)
+	{
+		detail::tmat4x4<T> r(1);
+		r[0][0] = 1 - normal.x * normal.x;
+		r[0][1] = - normal.x * normal.y;
+		r[0][2] = - normal.x * normal.z;
+		r[1][0] = - normal.x * normal.y;
+		r[1][1] = 1 - normal.y * normal.y;
+		r[1][2] = - normal.y * normal.z;
+		r[2][0] = - normal.x * normal.z;
+		r[2][1] = - normal.y * normal.z;
+		r[2][2] = 1 - normal.z * normal.z;
+		return m * r;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> scaleBias(
+		T scale, 
+		T bias)
+	{
+		detail::tmat4x4<T> result;
+		result[3] = detail::tvec4<T>(detail::tvec3<T>(bias), T(1));
+		result[0][0] = scale;
+		result[1][1] = scale;
+		result[2][2] = scale;
+		return result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> scaleBias(
+		const detail::tmat4x4<T>& m, 
+		T scale, 
+		T bias)
+	{
+		return m * scaleBias(scale, bias);
+	}
+}//namespace glm
+
diff --git a/include/gal/opengl/glm/gtx/ulp.hpp b/include/gal/opengl/glm/gtx/ulp.hpp
new file mode 100644
index 0000000..b74f480
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/ulp.hpp
@@ -0,0 +1,29 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///////////////////////////////////////////////////////////////////////////////////
+
+#if(defined(GLM_MESSAGES))
+#	pragma message("GLM: GLM_GTX_ulp extension is deprecated, include GLM_GTC_ulp (glm/gtc/ulp.hpp) instead")
+#endif
+
+// Promoted:
+#include "../gtc/ulp.hpp"
diff --git a/include/gal/opengl/glm/gtx/unsigned_int.hpp b/include/gal/opengl/glm/gtx/unsigned_int.hpp
new file mode 100644
index 0000000..340cfd4
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/unsigned_int.hpp
@@ -0,0 +1,26 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///////////////////////////////////////////////////////////////////////////////////
+
+#if(defined(GLM_MESSAGES))
+#	pragma message("GLM: GLM_GTX_unsigned_int extension is deprecated, include GLM_GTX_integer instead")
+#endif
diff --git a/include/gal/opengl/glm/gtx/unsigned_int.inl b/include/gal/opengl/glm/gtx/unsigned_int.inl
new file mode 100644
index 0000000..b08a387
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/unsigned_int.inl
@@ -0,0 +1,13 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-24
+// Updated : 2008-10-07
+// Licence : This source is under MIT License
+// File    : glm/gtx/unsigned_int.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/vec1.hpp b/include/gal/opengl/glm/gtx/vec1.hpp
new file mode 100644
index 0000000..7d37e6d
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/vec1.hpp
@@ -0,0 +1,137 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_vec1
+/// @file glm/gtx/vec1.hpp
+/// @date 2010-02-08 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_vec1 GLM_GTX_vec1
+/// @ingroup gtx
+/// 
+/// @brief Add vec1, ivec1, uvec1 and bvec1 types.
+/// <glm/gtx/vec1.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_vec1
+#define GLM_GTX_vec1 GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../core/type_vec1.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_vec1 extension included")
+#endif
+
+namespace glm
+{
+	//! 1 component vector of high precision floating-point numbers. 
+	//! There is no guarantee on the actual precision.
+	//! From GLM_GTX_vec1 extension.
+	typedef detail::highp_vec1_t			highp_vec1;
+	//! 1 component vector of medium precision floating-point numbers. 
+	//! There is no guarantee on the actual precision.
+	//! From GLM_GTX_vec1 extension.
+	typedef detail::mediump_vec1_t			mediump_vec1;
+	//! 1 component vector of low precision floating-point numbers. 
+	//! There is no guarantee on the actual precision.
+	//! From GLM_GTX_vec1 extension.
+	typedef detail::lowp_vec1_t				lowp_vec1;
+
+	//! 1 component vector of high precision signed integer numbers. 
+	//! There is no guarantee on the actual precision.
+	//! From GLM_GTX_vec1 extension.
+	typedef detail::highp_ivec1_t			highp_ivec1;
+	//! 1 component vector of medium precision signed integer numbers. 
+	//! There is no guarantee on the actual precision.
+	//! From GLM_GTX_vec1 extension.
+	typedef detail::mediump_ivec1_t			mediump_ivec1;
+	//! 1 component vector of low precision signed integer numbers. 
+	//! There is no guarantee on the actual precision.
+	//! From GLM_GTX_vec1 extension.
+	typedef detail::lowp_ivec1_t			lowp_ivec1;
+
+	//! 1 component vector of high precision unsigned integer numbers. 
+	//! There is no guarantee on the actual precision.
+	//! From GLM_GTX_vec1 extension.
+	typedef detail::highp_uvec1_t			highp_uvec1;
+	//! 1 component vector of medium precision unsigned integer numbers. 
+	//! There is no guarantee on the actual precision.
+	//! From GLM_GTX_vec1 extension.
+	typedef detail::mediump_uvec1_t			mediump_uvec1;
+	//! 1 component vector of low precision unsigned integer numbers. 
+	//! There is no guarantee on the actual precision.
+	//! From GLM_GTX_vec1 extension.
+	typedef detail::lowp_uvec1_t			lowp_uvec1;
+
+	//////////////////////////
+	// vec1 definition
+
+	//! 1 component vector of boolean.
+	//! From GLM_GTX_vec1 extension.
+	typedef detail::tvec1<bool>	bvec1;
+
+#if(defined(GLM_PRECISION_HIGHP_FLOAT))
+	typedef highp_vec1			vec1;
+#elif(defined(GLM_PRECISION_MEDIUMP_FLOAT))
+	typedef mediump_vec1			vec1;
+#elif(defined(GLM_PRECISION_LOWP_FLOAT))
+	typedef lowp_vec1			vec1;
+#else
+	//! 1 component vector of floating-point numbers.
+	//! From GLM_GTX_vec1 extension.
+	typedef mediump_vec1			vec1;
+#endif//GLM_PRECISION
+
+#if(defined(GLM_PRECISION_HIGHP_INT))
+	typedef highp_ivec1			ivec1;
+#elif(defined(GLM_PRECISION_MEDIUMP_INT))
+	typedef mediump_ivec1		ivec1;
+#elif(defined(GLM_PRECISION_LOWP_INT))
+	typedef lowp_ivec1			ivec1;
+#else
+	//! 1 component vector of signed integer numbers. 
+	//! From GLM_GTX_vec1 extension.
+	typedef mediump_ivec1		ivec1;
+#endif//GLM_PRECISION
+
+#if(defined(GLM_PRECISION_HIGHP_UINT))
+	typedef highp_uvec1			uvec1;
+#elif(defined(GLM_PRECISION_MEDIUMP_UINT))
+	typedef mediump_uvec1		uvec1;
+#elif(defined(GLM_PRECISION_LOWP_UINT))
+	typedef lowp_uvec1			uvec1;
+#else
+	//! 1 component vector of unsigned integer numbers. 
+	//! From GLM_GTX_vec1 extension.
+	typedef mediump_uvec1		uvec1;
+#endif//GLM_PRECISION
+
+}// namespace glm
+
+#include "vec1.inl"
+
+#endif//GLM_GTX_vec1
+
diff --git a/include/gal/opengl/glm/gtx/vec1.inl b/include/gal/opengl/glm/gtx/vec1.inl
new file mode 100644
index 0000000..782a8ec
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/vec1.inl
@@ -0,0 +1,27 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_vec1
+/// @file glm/gtx/vec1.inl
+/// @date 2013-03-16 / 2013-03-16
+/// @author Christophe Riccio
+///////////////////////////////////////////////////////////////////////////////////
diff --git a/include/gal/opengl/glm/gtx/vector_access.hpp b/include/gal/opengl/glm/gtx/vector_access.hpp
new file mode 100644
index 0000000..8942661
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/vector_access.hpp
@@ -0,0 +1,85 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_vector_access
+/// @file glm/gtx/vector_access.hpp
+/// @date 2006-01-16 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_vector_access GLM_GTX_vector_access
+/// @ingroup gtx
+/// 
+/// @brief Function to set values to vectors
+/// 
+/// <glm/gtx/vector_access.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_vector_access
+#define GLM_GTX_vector_access GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_vector_access extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_vector_access
+	/// @{
+
+	//! Set values to a 2 components vector.
+	//! From GLM_GTX_vector_access extension.
+    template <typename valType> 
+	void set(
+		detail::tvec2<valType> & v, 
+		valType const & x, 
+		valType const & y);
+
+	//! Set values to a 3 components vector.
+	//! From GLM_GTX_vector_access extension.
+    template <typename valType> 
+	void set(
+		detail::tvec3<valType> & v, 
+		valType const & x, 
+		valType const & y, 
+		valType const & z);
+
+	//! Set values to a 4 components vector.
+	//! From GLM_GTX_vector_access extension.
+    template <typename valType> 
+	void set(
+		detail::tvec4<valType> & v, 
+		valType const & x, 
+		valType const & y, 
+		valType const & z, 
+		valType const & w);
+
+	/// @}
+}//namespace glm
+
+#include "vector_access.inl"
+
+#endif//GLM_GTX_vector_access
diff --git a/include/gal/opengl/glm/gtx/vector_access.inl b/include/gal/opengl/glm/gtx/vector_access.inl
new file mode 100644
index 0000000..b5a5603
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/vector_access.inl
@@ -0,0 +1,53 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2006-01-16
+// Updated : 2008-10-07
+// Licence : This source is under MIT License
+// File    : glm/gtx/vector_access.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER void set
+	(
+		detail::tvec2<valType>& v, 
+		valType const & x, 
+		valType const & y
+	)
+	{
+		v.x = x;
+		v.y = y;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER void set
+	(
+		detail::tvec3<valType>& v, 
+		valType const & x, 
+		valType const & y, 
+		valType const & z
+	)
+	{
+		v.x = x;
+		v.y = y;
+		v.z = z;
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER void set
+	(
+		detail::tvec4<valType>& v, 
+		valType const & x, 
+		valType const & y, 
+		valType const & z, 
+		valType const & w
+	)
+	{
+		v.x = x;
+		v.y = y;
+		v.z = z;
+		v.w = w;
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/vector_angle.hpp b/include/gal/opengl/glm/gtx/vector_angle.hpp
new file mode 100644
index 0000000..fea8f65
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/vector_angle.hpp
@@ -0,0 +1,88 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_vector_angle
+/// @file glm/gtx/vector_angle.hpp
+/// @date 2005-12-30 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtx_quaternion (dependence)
+/// @see gtx_epsilon (dependence)
+///
+/// @defgroup gtx_vector_angle GLM_GTX_vector_angle
+/// @ingroup gtx
+/// 
+/// @brief Compute angle between vectors
+/// 
+/// <glm/gtx/vector_angle.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_vector_angle
+#define GLM_GTX_vector_angle GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtc/epsilon.hpp"
+#include "../gtx/quaternion.hpp"
+#include "../gtx/rotate_vector.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_vector_angle extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_vector_angle
+	/// @{
+
+	//! Returns the absolute angle between two vectors
+	//! Parameters need to be normalized.
+	//! From GLM_GTX_vector_angle extension
+	template <typename vecType> 
+	GLM_FUNC_QUALIFIER typename vecType::value_type angle(
+		vecType const & x, 
+		vecType const & y);
+
+	//! Returns the oriented angle between two 2d vectors 
+	//! Parameters need to be normalized.
+	//! From GLM_GTX_vector_angle extension.
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T orientedAngle(
+		detail::tvec2<T> const & x, 
+		detail::tvec2<T> const & y);
+
+	//! Returns the oriented angle between two 3d vectors based from a reference axis.
+	//! Parameters need to be normalized.
+	//! From GLM_GTX_vector_angle extension.
+	template <typename T>
+	GLM_FUNC_QUALIFIER T orientedAngle(
+		detail::tvec3<T> const & x,
+		detail::tvec3<T> const & y,
+		detail::tvec3<T> const & ref);
+
+	/// @}
+}// namespace glm
+
+#include "vector_angle.inl"
+
+#endif//GLM_GTX_vector_angle
diff --git a/include/gal/opengl/glm/gtx/vector_angle.inl b/include/gal/opengl/glm/gtx/vector_angle.inl
new file mode 100644
index 0000000..ad221b1
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/vector_angle.inl
@@ -0,0 +1,57 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-30
+// Updated : 2008-09-29
+// Licence : This source is under MIT License
+// File    : glm/gtx/vector_angle.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER typename genType::value_type angle
+	(
+		genType const & x, 
+		genType const & y
+	)
+	{
+		return degrees(acos(dot(x, y)));
+	}
+
+	//! \todo epsilon is hard coded to 0.01
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER valType orientedAngle
+	(
+		detail::tvec2<valType> const & x, 
+		detail::tvec2<valType> const & y
+	)
+	{
+#ifdef GLM_FORCE_RADIANS
+		valType const Angle(acos(dot(x, y)));
+#else
+		valType const Angle(glm::degrees(acos(dot(x, y))));
+#endif
+		detail::tvec2<valType> const TransformedVector(glm::rotate(x, Angle));
+		if(all(epsilonEqual(y, TransformedVector, valType(0.01))))
+			return Angle;
+		else
+			return -Angle;
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER valType orientedAngle
+	(
+		detail::tvec3<valType> const & x,
+		detail::tvec3<valType> const & y,
+		detail::tvec3<valType> const & ref
+	)
+	{
+		valType const Angle(glm::degrees(glm::acos(glm::dot(x, y))));
+
+		if(glm::dot(ref, glm::cross(x, y)) < valType(0))
+			return -Angle;
+		else
+			return Angle;
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/vector_query.hpp b/include/gal/opengl/glm/gtx/vector_query.hpp
new file mode 100644
index 0000000..f49f9e9
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/vector_query.hpp
@@ -0,0 +1,112 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_vector_query
+/// @file glm/gtx/vector_query.hpp
+/// @date 2008-03-10 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_vector_query GLM_GTX_vector_query
+/// @ingroup gtx
+/// 
+/// @brief Query informations of vector types
+///
+/// <glm/gtx/vector_query.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_vector_query
+#define GLM_GTX_vector_query GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+#include <cfloat>
+#include <limits>
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_vector_query extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_vector_query
+	/// @{
+
+	//! Check whether two vectors are collinears.
+	//! From GLM_GTX_vector_query extensions.
+	template <typename genType> 
+	bool areCollinear(
+		genType const & v0, 
+		genType const & v1, 
+		typename genType::value_type const & epsilon/* = std::numeric_limits<typename genType::value_type>::epsilon()*/);
+		
+    //! Check whether two vectors are orthogonals.
+	//! From GLM_GTX_vector_query extensions.
+	template <typename genType> 
+	bool areOrthogonal(
+		genType const & v0, 
+		genType const & v1, 
+		typename genType::value_type const & epsilon/* = std::numeric_limits<typename genType::value_type>::epsilon()*/);
+
+	//! Check whether a vector is normalized.
+	//! From GLM_GTX_vector_query extensions.
+	template <typename genType, template <typename> class vecType> 
+	bool isNormalized(
+		vecType<genType> const & v, 
+		genType const & epsilon/* = std::numeric_limits<genType>::epsilon()*/);
+		
+	//! Check whether a vector is null.
+	//! From GLM_GTX_vector_query extensions.
+	template <typename valType> 
+	bool isNull(
+		detail::tvec2<valType> const & v, 
+		valType const & epsilon/* = std::numeric_limits<typename genType::value_type>::epsilon()*/);
+
+	//! Check whether a vector is null.
+	//! From GLM_GTX_vector_query extensions.
+	template <typename valType> 
+	bool isNull(
+		detail::tvec3<valType> const & v, 
+		valType const & epsilon/* = std::numeric_limits<typename genType::value_type>::epsilon()*/);
+
+	//! Check whether a vector is null.
+	//! From GLM_GTX_vector_query extensions.
+	template <typename valType> 
+	bool isNull(
+		detail::tvec4<valType> const & v, 
+		valType const & epsilon/* = std::numeric_limits<typename genType::value_type>::epsilon()*/);
+
+	//! Check whether two vectors are orthonormal.
+	//! From GLM_GTX_vector_query extensions.
+	template <typename genType>
+	bool areOrthonormal(
+		genType const & v0, 
+		genType const & v1, 
+		typename genType::value_type const & epsilon/* = std::numeric_limits<typename genType::value_type>::epsilon()*/);
+
+	/// @}
+}// namespace glm
+
+#include "vector_query.inl"
+
+#endif//GLM_GTX_vector_query
diff --git a/include/gal/opengl/glm/gtx/vector_query.inl b/include/gal/opengl/glm/gtx/vector_query.inl
new file mode 100644
index 0000000..c955315
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/vector_query.inl
@@ -0,0 +1,164 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-03-05
+// Updated : 2010-02-16
+// Licence : This source is under MIT License
+// File    : glm/gtx/vector_query.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#include <cassert>
+
+namespace glm
+{
+	template <typename T>
+	GLM_FUNC_QUALIFIER bool areCollinear
+	(
+		detail::tvec2<T> const & v0, 
+		detail::tvec2<T> const & v1, 
+		typename detail::tvec2<T>::value_type const & epsilon
+	)
+	{
+		return length(cross(detail::tvec3<T>(v0, T(0)), detail::tvec3<T>(v1, T(0)))) < epsilon;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER bool areCollinear
+	(
+		detail::tvec3<T> const & v0, 
+		detail::tvec3<T> const & v1, 
+		typename detail::tvec3<T>::value_type const & epsilon
+	)
+	{
+		return length(cross(v0, v1)) < epsilon;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER bool areCollinear
+	(
+		detail::tvec4<T> const & v0, 
+		detail::tvec4<T> const & v1, 
+		typename detail::tvec4<T>::value_type const & epsilon
+	)
+	{
+		return length(cross(detail::tvec3<T>(v0), detail::tvec3<T>(v1))) < epsilon;
+	}
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER bool areOrthogonal
+	(
+		genType const & v0, 
+		genType const & v1, 
+		typename genType::value_type const & epsilon
+	)
+	{
+		return abs(dot(v0, v1)) <= max(
+			typename genType::value_type(1), 
+			length(v0)) * max(
+				typename genType::value_type(1), 
+				length(v1)) * epsilon;
+	}
+
+	template <typename genType, template <typename> class vecType> 
+	GLM_FUNC_QUALIFIER bool isNormalized
+	(
+		vecType<genType> const & v, 
+		genType const & epsilon
+	)
+	{
+		return abs(length(v) - genType(1)) <= genType(2) * epsilon;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER bool isNull
+	(
+		detail::tvec2<valType> const & v, 
+		valType const & epsilon
+	)
+	{
+		return length(v) <= epsilon;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER bool isNull
+	(
+		detail::tvec3<valType> const & v, 
+		valType const & epsilon
+	)
+	{
+		return length(v) <= epsilon;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER bool isNull
+	(
+		detail::tvec4<valType> const & v, 
+		valType const & epsilon
+	)
+	{
+		return length(v) <= epsilon;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER bool isCompNull
+	(
+		T const & s, 
+		T const & epsilon
+	)
+	{
+		return abs(s) < epsilon;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec2<bool> isCompNull
+	(
+		detail::tvec2<T> const & v, 
+		T const & epsilon)
+	{
+		return detail::tvec2<bool>(
+			(abs(v.x) < epsilon),
+			(abs(v.y) < epsilon));
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<bool> isCompNull
+	(
+		detail::tvec3<T> const & v, 
+		T const & epsilon
+	)
+	{
+		return detail::tvec3<bool>(
+			abs(v.x) < epsilon,
+			abs(v.y) < epsilon,
+			abs(v.z) < epsilon);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec4<bool> isCompNull
+	(
+		detail::tvec4<T> const & v, 
+		T const & epsilon
+	)
+	{
+		return detail::tvec4<bool>(
+			abs(v.x) < epsilon,
+			abs(v.y) < epsilon,
+			abs(v.z) < epsilon,
+			abs(v.w) < epsilon);
+	}
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER bool areOrthonormal
+	(
+		genType const & v0, 
+		genType const & v1, 
+		typename genType::value_type const & epsilon
+	)
+	{
+		return isNormalized(v0, epsilon) && isNormalized(v1, epsilon) && (abs(dot(v0, v1)) <= epsilon);
+	}
+
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/verbose_operator.hpp b/include/gal/opengl/glm/gtx/verbose_operator.hpp
new file mode 100644
index 0000000..0a2f0e3
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/verbose_operator.hpp
@@ -0,0 +1,83 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_verbose_operator
+/// @file glm/gtx/verbose_operator.hpp
+/// @date 2007-05-21 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_verbose_operator GLM_GTX_verbose_operator
+/// @ingroup gtx
+/// 
+/// @brief Use words to replace operators
+///
+/// <glm/gtx/verbose_operator.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_verbose_operator
+#define GLM_GTX_verbose_operator GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_verbose_operator extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_verbose_operator
+	/// @{
+
+	//! Addition of two values
+	//! From GLM_GTX_verbose_operator extension.
+	template <typename genTypeT, typename genTypeU> 
+	genTypeT add(genTypeT const & a, genTypeU const & b);
+
+	//! Substration of two values
+	//! From GLM_GTX_verbose_operator extension.
+	template <typename genTypeT, typename genTypeU> 
+	genTypeT sub(genTypeT const & a, genTypeU const & b);
+
+	//! Multiplication of two values
+	//! From GLM_GTX_verbose_operator extension.
+	template <typename genTypeT, typename genTypeU> 
+	genTypeT mul(genTypeT const & a, genTypeU const & b);
+
+	//! Division of two values
+	//! From GLM_GTX_verbose_operator extension.
+	template <typename genTypeT, typename genTypeU> 
+	genTypeT div(genTypeT const & a, genTypeU const & b);
+
+	//! Multiplication and addition of three values
+	//! From GLM_GTX_verbose_operator extension.
+	template <typename genTypeT, typename genTypeU, typename genTypeV> 
+	genTypeT mad(genTypeT const & a, genTypeU const & b, genTypeV const & c);
+
+	/// @}
+}// namespace glm
+
+#include "verbose_operator.inl"
+
+#endif//GLM_GTX_verbose_operator
diff --git a/include/gal/opengl/glm/gtx/verbose_operator.inl b/include/gal/opengl/glm/gtx/verbose_operator.inl
new file mode 100644
index 0000000..468bdd4
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/verbose_operator.inl
@@ -0,0 +1,124 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2006-04-20
+// Updated : 2008-09-29
+// Licence : This source is under MIT License
+// File    : glm/gtx/verbose_operator.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType add(genType const & a, genType const & b)
+	{
+		return a + b;
+	}
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType sub(genType const & a, genType const & b)
+	{
+		return a - b;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat2x2<T> mul
+	(
+		detail::tmat2x2<T> const & a, 
+		detail::tmat2x2<T> const & b
+	)
+	{
+		return a * b;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat3x3<T> mul
+	(
+		detail::tmat3x3<T> const & a, 
+		detail::tmat3x3<T> const & b
+	)
+	{
+		return a * b;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> mul
+	(
+		detail::tmat4x4<T> const & a, 
+		detail::tmat4x4<T> const & b
+	)
+	{
+		return a * b;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec2<T> mul
+	(
+		detail::tmat2x2<T> const & m, 
+		detail::tvec2<T> const & v
+	)
+	{
+		return m * v;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec3<T> mul
+	(
+		detail::tmat3x3<T> const & m, 
+		detail::tvec3<T> const & v)
+	{
+		return m * v;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec4<T> mul
+	(
+		detail::tmat4x4<T> const & m, 
+		detail::tvec4<T> const & v
+	)
+	{
+		return m * v;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec2<T> mul
+	(
+		detail::tvec2<T> const & v, 
+		detail::tmat2x2<T> const & m
+	)
+	{
+		return v * m;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec3<T> mul
+	(
+		detail::tvec3<T> const & v, 
+		detail::tmat3x3<T> const & m
+	)
+	{
+		return v * m;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec4<T> mul
+	(
+		detail::tvec4<T> const & v, 
+		detail::tmat4x4<T> const & m
+	)
+	{
+		return v * m;
+	}
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType div(genType const & a, genType const & b)
+	{
+		return a / b;
+	}
+
+	template <typename genTypeT, typename genTypeU, typename genTypeV> 
+	GLM_FUNC_QUALIFIER genTypeT mad(genTypeT const & a, genTypeU const & b, genTypeV const & c)
+	{
+		return a * b + c;
+	}
+}//namespace glm
diff --git a/include/gal/opengl/glm/gtx/wrap.hpp b/include/gal/opengl/glm/gtx/wrap.hpp
new file mode 100644
index 0000000..a671327
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/wrap.hpp
@@ -0,0 +1,73 @@
+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtx_wrap
+/// @file glm/gtx/wrap.hpp
+/// @date 2009-11-25 / 2011-06-07
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_wrap GLM_GTX_wrap
+/// @ingroup gtx
+/// 
+/// @brief Wrapping mode of texture coordinates.
+/// 
+/// <glm/gtx/wrap.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef GLM_GTX_wrap
+#define GLM_GTX_wrap GLM_VERSION
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_wrap extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_wrap
+	/// @{
+
+	//! Simulate GL_CLAMP OpenGL wrap mode
+	//! From GLM_GTX_wrap extension.
+	template <typename genType> 
+	genType clamp(genType const & Texcoord);
+
+	//! Simulate GL_REPEAT OpenGL wrap mode
+	//! From GLM_GTX_wrap extension.
+	template <typename genType> 
+	genType repeat(genType const & Texcoord);
+
+	//! Simulate GL_MIRROR_REPEAT OpenGL wrap mode
+	//! From GLM_GTX_wrap extension.
+	template <typename genType> 
+	genType mirrorRepeat(genType const & Texcoord);
+
+	/// @}
+}// namespace glm
+
+#include "wrap.inl"
+
+#endif//GLM_GTX_wrap
diff --git a/include/gal/opengl/glm/gtx/wrap.inl b/include/gal/opengl/glm/gtx/wrap.inl
new file mode 100644
index 0000000..41c7d47
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/wrap.inl
@@ -0,0 +1,165 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2009-11-25
+// Updated : 2010-02-13
+// Licence : This source is under MIT License
+// File    : glm/gtx/wrap.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER genType clamp
+	(
+		genType const & Texcoord
+	)
+	{
+		return glm::clamp(Texcoord, genType(0), genType(1));
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec2<T> clamp
+	(
+		detail::tvec2<T> const & Texcoord
+	)
+	{
+		detail::tvec2<T> Result;
+		for(typename detail::tvec2<T>::size_type i = 0; i < detail::tvec2<T>::value_size(); ++i)
+			Result[i] = clamp(Texcoord[i]);
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> clamp
+	(
+		detail::tvec3<T> const & Texcoord
+	)
+	{
+		detail::tvec3<T> Result;
+		for(typename detail::tvec3<T>::size_type i = 0; i < detail::tvec3<T>::value_size(); ++i)
+			Result[i] = clamp(Texcoord[i]);
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec4<T> clamp
+	(
+		detail::tvec4<T> const & Texcoord
+	)
+	{
+		detail::tvec4<T> Result;
+		for(typename detail::tvec4<T>::size_type i = 0; i < detail::tvec4<T>::value_size(); ++i)
+			Result[i] = clamp(Texcoord[i]);
+		return Result;
+	}
+
+	////////////////////////
+	// repeat
+
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER genType repeat
+	(
+		genType const & Texcoord
+	)
+	{
+		return glm::fract(Texcoord);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec2<T> repeat
+	(
+		detail::tvec2<T> const & Texcoord
+	)
+	{
+		detail::tvec2<T> Result;
+		for(typename detail::tvec2<T>::size_type i = 0; i < detail::tvec2<T>::value_size(); ++i)
+			Result[i] = repeat(Texcoord[i]);
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> repeat
+	(
+		detail::tvec3<T> const & Texcoord
+	)
+	{
+		detail::tvec3<T> Result;
+		for(typename detail::tvec3<T>::size_type i = 0; i < detail::tvec3<T>::value_size(); ++i)
+			Result[i] = repeat(Texcoord[i]);
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec4<T> repeat
+	(
+		detail::tvec4<T> const & Texcoord
+	)
+	{
+		detail::tvec4<T> Result;
+		for(typename detail::tvec4<T>::size_type i = 0; i < detail::tvec4<T>::value_size(); ++i)
+			Result[i] = repeat(Texcoord[i]);
+		return Result;
+	}
+
+	////////////////////////
+	// mirrorRepeat
+
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER genType mirrorRepeat
+	(
+		genType const & Texcoord
+	)
+	{
+		genType const Clamp = genType(int(glm::floor(Texcoord)) % 2);
+		genType const Floor = glm::floor(Texcoord);
+		genType const Rest = Texcoord - Floor;
+		genType const Mirror = Clamp + Rest;
+
+		genType Out;
+		if(Mirror >= genType(1))
+			Out = genType(1) - Rest;
+		else
+			Out = Rest;
+		return Out;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec2<T> mirrorRepeat
+	(
+		detail::tvec2<T> const & Texcoord
+	)
+	{
+		detail::tvec2<T> Result;
+		for(typename detail::tvec2<T>::size_type i = 0; i < detail::tvec2<T>::value_size(); ++i)
+			Result[i] = mirrorRepeat(Texcoord[i]);
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> mirrorRepeat
+	(
+		detail::tvec3<T> const & Texcoord
+	)
+	{
+		detail::tvec3<T> Result;
+		for(typename detail::tvec3<T>::size_type i = 0; i < detail::tvec3<T>::value_size(); ++i)
+			Result[i] = mirrorRepeat(Texcoord[i]);
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec4<T> mirrorRepeat
+	(
+		detail::tvec4<T> const & Texcoord
+	)
+	{
+		detail::tvec4<T> Result;
+		for(typename detail::tvec4<T>::size_type i = 0; i < detail::tvec4<T>::value_size(); ++i)
+			Result[i] = mirrorRepeat(Texcoord[i]);
+		return Result;
+	}
+}//namespace glm