diff --git a/Sources/libetk/etk/Matrix.cpp b/Sources/libetk/etk/Matrix.cpp
new file mode 100644
index 00000000..a7b30bfa
--- /dev/null
+++ b/Sources/libetk/etk/Matrix.cpp
@@ -0,0 +1,102 @@
+/**
+ *******************************************************************************
+ * @file etk/Matix.cpp
+ * @brief Ewol Tool Kit : generique Matrix type (Sources)
+ * @author Edouard DUPIN
+ * @date 29/08/2012
+ * @par Project
+ * Ewol TK
+ *
+ * @par Copyright
+ * Copyright 2011 Edouard DUPIN, all right reserved
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY.
+ *
+ * Licence summary : 
+ *    You can modify and redistribute the sources code and binaries.
+ *    You can send me the bug-fix
+ *
+ * Term of the licence in in the file licence.txt.
+ *
+ *******************************************************************************
+ */
+
+
+
+#include <etk/Types.h>
+#include <etk/Matrix.h>
+#include <etk/DebugInternal.h>
+#include <math.h>
+
+etk::Matrix etk::matrix::Perspective(float left, float right, float bottom, float top, float nearVal, float farVal)
+{
+	etk::Matrix tmp;
+	for(int32_t iii=0; iii<4*4 ; iii++) {
+		tmp.m_mat[iii] = 0;
+	}
+	tmp.m_mat[0] = 2.0 / (right - left);
+	tmp.m_mat[5] = 2.0 / (top - bottom);
+	tmp.m_mat[10] = -2.0 / (farVal - nearVal);
+	tmp.m_mat[3]  = -1*(right + left) / (right - left);
+	tmp.m_mat[7]  = -1*(top + bottom) / (top - bottom);
+	tmp.m_mat[11] = -1*(farVal + nearVal) / (farVal - nearVal);
+	tmp.m_mat[15] = 1;
+	//TK_INFO("Perspective :");
+	//etk::matrix::Display(tmp);
+	return tmp;
+}
+
+etk::Matrix etk::matrix::Translate(float x, float y, float z)
+{
+	etk::Matrix tmp;
+	// set translation :
+	tmp.m_mat[3] = x;
+	tmp.m_mat[7] = y;
+	tmp.m_mat[11] = z;
+	//TK_INFO("Translate :");
+	//etk::matrix::Display(tmp);
+	return tmp;
+}
+
+etk::Matrix etk::matrix::Scale(float x, float y, float z)
+{
+	etk::Matrix tmp;
+	// set scale :
+	tmp.m_mat[0] = x;
+	tmp.m_mat[5] = y;
+	tmp.m_mat[10] = z;
+	//TK_INFO("Scale :");
+	//etk::matrix::Display(tmp);
+	return tmp;
+}
+
+etk::Matrix etk::matrix::rotate(float x, float y, float z, float angleRad)
+{
+	etk::Matrix tmp;
+	float cosVal = cos(angleRad);
+	float sinVal = sin(angleRad);
+	float invVal = 1.0-cosVal;
+	// set rotation : 
+	tmp.m_mat[0]  = x*x*invVal + cosVal;
+	tmp.m_mat[1]  = x*y*invVal - z*cosVal;
+	tmp.m_mat[2]  = x*z*invVal + y*sinVal;
+	
+	tmp.m_mat[4]  = y*x*invVal + z*sinVal;
+	tmp.m_mat[5]  = y*y*invVal + cosVal;
+	tmp.m_mat[6]  = y*z*invVal - x*sinVal;
+	
+	tmp.m_mat[8]  = z*x*invVal - y*sinVal;
+	tmp.m_mat[9]  = z*y*invVal + x*sinVal;
+	tmp.m_mat[10] = z*z*invVal + cosVal;
+	return tmp;
+}
+
+
+void etk::matrix::Display(etk::Matrix& tmp)
+{
+	TK_INFO("matrix : (" << tmp.m_mat[0] << " , " << tmp.m_mat[1] << " , " << tmp.m_mat[2] << " , " << tmp.m_mat[3] << " , ");
+	TK_INFO("          " << tmp.m_mat[4] << " , " << tmp.m_mat[5] << " , " << tmp.m_mat[6] << " , " << tmp.m_mat[7] << " , ");
+	TK_INFO("          " << tmp.m_mat[8] << " , " << tmp.m_mat[9] << " , " << tmp.m_mat[10] << " , " << tmp.m_mat[11] << " , ");
+	TK_INFO("          " << tmp.m_mat[12] << " , " << tmp.m_mat[13] << " , " << tmp.m_mat[14] << " , " << tmp.m_mat[15] << " )");
+}
diff --git a/Sources/libetk/etk/Matrix.h b/Sources/libetk/etk/Matrix.h
new file mode 100644
index 00000000..8dda2a0d
--- /dev/null
+++ b/Sources/libetk/etk/Matrix.h
@@ -0,0 +1,199 @@
+/**
+ *******************************************************************************
+ * @file etk/Matix.h
+ * @brief Ewol Tool Kit : generique Matrix type (header)
+ * @author Edouard DUPIN
+ * @date 29/08/2012
+ * @par Project
+ * Ewol TK
+ *
+ * @par Copyright
+ * Copyright 2011 Edouard DUPIN, all right reserved
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY.
+ *
+ * Licence summary : 
+ *    You can modify and redistribute the sources code and binaries.
+ *    You can send me the bug-fix
+ *
+ * Term of the licence in in the file licence.txt.
+ *
+ *******************************************************************************
+ */
+
+#ifndef __ETK_TYPES_MATRIX_H__
+#define __ETK_TYPES_MATRIX_H__
+
+namespace etk {
+
+	class Matrix
+	{
+		public:
+			float m_mat[4*4];
+			void Identity(void) {
+				for(int32_t iii=0; iii<4*4 ; iii++) {
+					m_mat[iii] = 0;
+				}
+				m_mat[0] = 1.0;
+				m_mat[5] = 1.0;
+				m_mat[10] = 1.0;
+				m_mat[15] = 1.0;
+			}
+			/*****************************************************
+			 *    Constructor
+			 *****************************************************/
+			Matrix(void) {
+				Identity();
+			}
+			Matrix(const Matrix& obj) {
+				for(int32_t iii=0; iii<4*4 ; iii++) {
+					m_mat[iii] = obj.m_mat[iii];
+				}
+			}
+			Matrix(float a1, float b1, float c1, float d1,
+			       float a2, float b2, float c2, float d2,
+			       float a3, float b3, float c3, float d3,
+			       float a4, float b4, float c4, float d4) {
+				m_mat[0] = a1;
+				m_mat[1] = b1;
+				m_mat[2] = c1;
+				m_mat[3] = d1;
+				m_mat[4] = a2;
+				m_mat[5] = b2;
+				m_mat[6] = c2;
+				m_mat[7] = d2;
+				m_mat[8] = a3;
+				m_mat[9] = b3;
+				m_mat[10] = c3;
+				m_mat[11] = d3;
+				m_mat[12] = a4;
+				m_mat[13] = b4;
+				m_mat[14] = c4;
+				m_mat[15] = d4;
+			}
+			Matrix(float * obj) {
+				if (NULL == obj) {
+					Identity();
+					return;
+				}
+				for(int32_t iii=0; iii<4*4 ; iii++) {
+					m_mat[iii] = obj[iii];
+				}
+			}
+			/*****************************************************
+			 *    Destructor
+			 *****************************************************/
+			~Matrix() {
+				
+			}
+			/*****************************************************
+			 *    = assigment
+			 *****************************************************/
+			const Matrix& operator= (const Matrix& obj ) {
+				for(int32_t iii=0; iii<4*4 ; iii++) {
+					m_mat[iii] = obj.m_mat[iii];
+				}
+				return *this;
+			}
+			/*****************************************************
+			 *    == operator
+			 *****************************************************/
+			bool  operator== (const Matrix& obj) const {
+				for(int32_t iii=0; iii<4*4 ; iii++) {
+					if(m_mat[iii] != obj.m_mat[iii]) {
+						return false;
+					}
+				}
+				return true;
+			}
+			/*****************************************************
+			 *    != operator
+			 *****************************************************/
+			bool  operator!= (const Matrix& obj) const {
+				for(int32_t iii=0; iii<4*4 ; iii++) {
+					if(m_mat[iii] != obj.m_mat[iii]) {
+						return true;
+					}
+				}
+				return false;
+			}
+			/*****************************************************
+			 *    += operator
+			 *****************************************************/
+			const Matrix& operator+= (const Matrix& obj) {
+				for(int32_t iii=0; iii<4*4 ; iii++) {
+					m_mat[iii] += obj.m_mat[iii];
+				}
+				return *this;
+			}
+			/*****************************************************
+			 *    + operator
+			 *****************************************************/
+			Matrix operator+ (const Matrix& obj) {
+				Matrix tmpp(*this);
+				tmpp += obj;
+				return tmpp;
+			}
+			/*****************************************************
+			 *    -= operator
+			 *****************************************************/
+			const Matrix& operator-= (const Matrix& obj) {
+				for(int32_t iii=0; iii<4*4 ; iii++) {
+					m_mat[iii] -= obj.m_mat[iii];
+				}
+				return *this;
+			}
+			/*****************************************************
+			 *    - operator
+			 *****************************************************/
+			Matrix operator- (const Matrix& obj) {
+				Matrix tmpp(*this);
+				tmpp += obj;
+				return tmpp;
+			}
+			/*****************************************************
+			 *    *= operator
+			 *****************************************************/
+			const Matrix& operator*= (const Matrix& obj) {
+				// output Matrix
+				float matrixOut[4*4];
+				for(int32_t jjj=0; jjj<4 ; jjj++) {
+					float* tmpLeft = m_mat + jjj*4;
+					for(int32_t iii=0; iii<4 ; iii++) {
+						const float* tmpUpper = obj.m_mat+iii;
+						float* tmpLeft2 = tmpLeft;
+						float tmpElement = 0;
+						for(int32_t kkk=0; kkk<4 ; kkk++) {
+							tmpElement += *tmpUpper * *tmpLeft2;
+							tmpUpper += 4;
+							tmpLeft2++;
+						}
+						matrixOut[jjj*4+iii] = tmpElement;
+					}
+				}
+				// set it at the output
+				for(int32_t iii=0; iii<4*4 ; iii++) {
+					m_mat[iii] = matrixOut[iii];
+				}
+				return *this;
+			}
+			/*****************************************************
+			 *    * operator
+			 *****************************************************/
+			Matrix operator* (const Matrix& obj) {
+				Matrix tmpp(*this);
+				tmpp *= obj;
+				return tmpp;
+			}
+	};
+	namespace matrix {
+		Matrix Perspective(float left, float right, float bottom, float top, float nearVal, float farVal);
+		Matrix Translate(float x=0.0, float y=0.0, float z=0.0);
+		Matrix Scale(float x=1.0, float y=1.0, float z=1.0);
+		Matrix rotate(float x, float y, float z, float angleRad=0.0);
+		void Display(Matrix& tmp);
+	};
+};
+
+#endif
diff --git a/Sources/libetk/etk/TypesCoordonate.h b/Sources/libetk/etk/TypesCoordonate.h
index 5bf2a540..58194322 100644
--- a/Sources/libetk/etk/TypesCoordonate.h
+++ b/Sources/libetk/etk/TypesCoordonate.h
@@ -101,7 +101,7 @@ template <typename T> class Vector2D
 			Vector2D<T> tmpp(x,y);
 			tmpp.x -= (T)obj.x;
 			tmpp.y -= (T)obj.y;
-			return *this;
+			return tmpp;
 		}
 		/*****************************************************
 		 *    /= operator
@@ -118,7 +118,7 @@ template <typename T> class Vector2D
 			Vector2D<T> tmpp(x,y);
 			tmpp.x /= (T)obj.x;
 			tmpp.y /= (T)obj.y;
-			return *this;
+			return tmpp;
 		}
 		/*****************************************************
 		 *    *= operator
@@ -135,7 +135,7 @@ template <typename T> class Vector2D
 			Vector2D<T> tmpp(x,y);
 			tmpp.x *= (T)obj.x;
 			tmpp.y *= (T)obj.y;
-			return *this;
+			return tmpp;
 		}
 		/*****************************************************
 		 *    ++ operator
diff --git a/Sources/libetk/file.mk b/Sources/libetk/file.mk
index ffa9be8b..ad4aeea6 100644
--- a/Sources/libetk/file.mk
+++ b/Sources/libetk/file.mk
@@ -10,7 +10,8 @@ FILE_LIST = \
 			etk/Stream.cpp \
 			etk/File.cpp \
 			etk/RegExp.cpp \
-			etk/tool.cpp
+			etk/tool.cpp \
+			etk/Matrix.cpp
 
 ifeq ("$(TARGET_OS)","Windows")
 	FILE_LIST += etk/Mutex.Windows.cpp
diff --git a/Sources/libewol/Linux.mk b/Sources/libewol/Linux.mk
index cc2388ea..60688aca 100644
--- a/Sources/libewol/Linux.mk
+++ b/Sources/libewol/Linux.mk
@@ -26,12 +26,11 @@ LOCAL_EXPORT_LDLIBS := -lGL -lX11
 LOCAL_CFLAGS := -Wno-write-strings \
                 -DEWOL_VERSION_TAG_NAME="\"$(LOCAL_VERSION_TAG_SHORT)-$(BUILD_DIRECTORY_MODE)\"" \
                 -DLUA_COMPAT_ALL \
-                -D__VIDEO__OPENGL_ES_2 \
                 -Wall
 
 
-#LOCAL_CFLAGS += -D__VIDEO__OPENGL_ES_2
-#LOCAL_EXPORT_CFLAGS := -D__VIDEO__OPENGL_ES_2
+LOCAL_CFLAGS += -D__VIDEO__OPENGL_ES_2
+LOCAL_EXPORT_CFLAGS := -D__VIDEO__OPENGL_ES_2
 
 
 # load the common sources file of the platform
diff --git a/Sources/libewol/ewol/ResourceManager.cpp b/Sources/libewol/ewol/ResourceManager.cpp
index 1bac7c78..e4cee604 100644
--- a/Sources/libewol/ewol/ResourceManager.cpp
+++ b/Sources/libewol/ewol/ResourceManager.cpp
@@ -196,41 +196,43 @@ bool ewol::resource::Keep(etk::UString& filename, ewol::Font*& object)
 	return true;
 }
 
-
-bool ewol::resource::Keep(etk::UString& filename, ewol::Program*& object)
-{
-	EWOL_VERBOSE("KEEP : Program : file : \"" << filename << "\"");
-	object = static_cast<ewol::Program*>(LocalKeep(filename));
-	if (NULL != object) {
+#ifdef __VIDEO__OPENGL_ES_2
+	bool ewol::resource::Keep(etk::UString& filename, ewol::Program*& object)
+	{
+		EWOL_VERBOSE("KEEP : Program : file : \"" << filename << "\"");
+		object = static_cast<ewol::Program*>(LocalKeep(filename));
+		if (NULL != object) {
+			return true;
+		}
+		// need to crate a new one ...
+		object = new ewol::Program(filename);
+		if (NULL == object) {
+			EWOL_ERROR("allocation error of a resource : " << filename);
+			return false;
+		}
+		LocalAdd(object);
 		return true;
 	}
-	// need to crate a new one ...
-	object = new ewol::Program(filename);
-	if (NULL == object) {
-		EWOL_ERROR("allocation error of a resource : " << filename);
-		return false;
-	}
-	LocalAdd(object);
-	return true;
-}
+#endif
 
-
-bool ewol::resource::Keep(etk::UString& filename, ewol::Shader*& object)
-{
-	EWOL_VERBOSE("KEEP : Shader : file : \"" << filename << "\"");
-	object = static_cast<ewol::Shader*>(LocalKeep(filename));
-	if (NULL != object) {
+#ifdef __VIDEO__OPENGL_ES_2
+	bool ewol::resource::Keep(etk::UString& filename, ewol::Shader*& object)
+	{
+		EWOL_VERBOSE("KEEP : Shader : file : \"" << filename << "\"");
+		object = static_cast<ewol::Shader*>(LocalKeep(filename));
+		if (NULL != object) {
+			return true;
+		}
+		// need to crate a new one ...
+		object = new ewol::Shader(filename);
+		if (NULL == object) {
+			EWOL_ERROR("allocation error of a resource : " << filename);
+			return false;
+		}
+		LocalAdd(object);
 		return true;
 	}
-	// need to crate a new one ...
-	object = new ewol::Shader(filename);
-	if (NULL == object) {
-		EWOL_ERROR("allocation error of a resource : " << filename);
-		return false;
-	}
-	LocalAdd(object);
-	return true;
-}
+#endif
 
 bool ewol::resource::Keep(ewol::Texture*& object)
 {
@@ -315,18 +317,22 @@ void ewol::resource::Release(ewol::Font*& object)
 	Release(object2);
 	object = NULL;
 }
-void ewol::resource::Release(ewol::Program*& object)
-{
-	ewol::Resource* object2 = static_cast<ewol::Resource*>(object);
-	Release(object2);
-	object = NULL;
-}
-void ewol::resource::Release(ewol::Shader*& object)
-{
-	ewol::Resource* object2 = static_cast<ewol::Resource*>(object);
-	Release(object2);
-	object = NULL;
-}
+#ifdef __VIDEO__OPENGL_ES_2
+	void ewol::resource::Release(ewol::Program*& object)
+	{
+		ewol::Resource* object2 = static_cast<ewol::Resource*>(object);
+		Release(object2);
+		object = NULL;
+	}
+#endif
+#ifdef __VIDEO__OPENGL_ES_2
+	void ewol::resource::Release(ewol::Shader*& object)
+	{
+		ewol::Resource* object2 = static_cast<ewol::Resource*>(object);
+		Release(object2);
+		object = NULL;
+	}
+#endif
 void ewol::resource::Release(ewol::Texture*& object)
 {
 	ewol::Resource* object2 = static_cast<ewol::Resource*>(object);
diff --git a/Sources/libewol/ewol/ResourceManager.h b/Sources/libewol/ewol/ResourceManager.h
index d26d9777..11297474 100644
--- a/Sources/libewol/ewol/ResourceManager.h
+++ b/Sources/libewol/ewol/ResourceManager.h
@@ -50,16 +50,20 @@ namespace ewol
 		// return the type of the resource ...
 		bool Keep(etk::UString& filename, ewol::TexturedFont*& object);
 		bool Keep(etk::UString& filename, ewol::Font*& object);
-		bool Keep(etk::UString& filename, ewol::Program*& object);
-		bool Keep(etk::UString& filename, ewol::Shader*& object);
+		#ifdef __VIDEO__OPENGL_ES_2
+			bool Keep(etk::UString& filename, ewol::Program*& object);
+			bool Keep(etk::UString& filename, ewol::Shader*& object);
+		#endif
 		bool Keep(ewol::Texture*& object); // no name needed here ...
 		bool Keep(etk::UString& filename, ewol::TextureFile*& object, Vector2D<int32_t> size);
 		
 		void Release(ewol::Resource*& object);
 		void Release(ewol::TexturedFont*& object);
 		void Release(ewol::Font*& object);
-		void Release(ewol::Program*& object);
-		void Release(ewol::Shader*& object);
+		#ifdef __VIDEO__OPENGL_ES_2
+			void Release(ewol::Program*& object);
+			void Release(ewol::Shader*& object);
+		#endif
 		void Release(ewol::Texture*& object);
 		void Release(ewol::TextureFile*& object);
 	}
diff --git a/Sources/libewol/ewol/oObject/2DColored.cpp b/Sources/libewol/ewol/oObject/2DColored.cpp
index 096a99d8..589907a5 100644
--- a/Sources/libewol/ewol/oObject/2DColored.cpp
+++ b/Sources/libewol/ewol/oObject/2DColored.cpp
@@ -36,13 +36,13 @@ ewol::OObject2DColored::OObject2DColored(void)
 	m_triElement = 0;
 	SetColor(1.0, 1.0, 1.0, 1.0);
 	#ifdef __VIDEO__OPENGL_ES_2
-	etk::UString tmpString("color.prog");
-	// get the shader resource :
+		etk::UString tmpString("color.prog");
+		// get the shader resource :
 		m_GLPosition = 0;
 		if (true == ewol::resource::Keep(tmpString, m_GLprogram) ) {
 			m_GLPosition = m_GLprogram->GetAttribute("EW_coord2d");
 			m_GLColor    = m_GLprogram->GetAttribute("EW_color");
-			//m_GLMatrix   = m_GLprogram->GetUniform("EW_MatrixTransformation");
+			m_GLMatrix   = m_GLprogram->GetUniform("EW_MatrixTransformation");
 		}
 	#endif
 }
@@ -52,7 +52,9 @@ ewol::OObject2DColored::~OObject2DColored(void)
 {
 	m_coord.Clear();
 	m_coordColor.Clear();
-	ewol::resource::Release(m_GLprogram);
+	#ifdef __VIDEO__OPENGL_ES_2
+		ewol::resource::Release(m_GLprogram);
+	#endif
 }
 
 
@@ -61,30 +63,21 @@ void ewol::OObject2DColored::Draw(void)
 	if (m_coord.Size()<=0) {
 		return;
 	}
-	if (m_GLprogram==NULL) {
-		EWOL_ERROR("No shader ...");
-		return;
-	}
 	#ifdef __VIDEO__OPENGL_ES_2
+		if (m_GLprogram==NULL) {
+			EWOL_ERROR("No shader ...");
+			return;
+		}
 		glPushMatrix();
 		glScalef(m_scaling.x, m_scaling.y, 1.0);
 		m_GLprogram->Use();
+		// set Matrix : translation/positionMatrix
+		etk::Matrix tmpMatrix = ewol::openGL::GetMatrix();
+		m_GLprogram->SendUniformMatrix4fv(m_GLMatrix, 1, tmpMatrix.m_mat);
 		// position :
-		glVertexAttribPointer(m_GLPosition,      // attribute ID of OpenGL
-		                      2,                 // number of elements per vertex, here (x,y)
-		                      GL_FLOAT,          // the type of each element
-		                      GL_FALSE,          // take our values as-is
-		                      0,                 // no extra data between each position
-		                      &m_coord[0]);      // Pointer on the buffer
-		glEnableVertexAttribArray(m_GLPosition);
+		m_GLprogram->SendAttribute(m_GLPosition, 2/*x,y*/, &m_coord[0]);
 		// color :
-		glVertexAttribPointer(m_GLColor,         // attribute ID of OpenGL
-		                      4,                 // number of elements per vertex, here (r,g,b,a)
-		                      GL_FLOAT,          // the type of each element
-		                      GL_FALSE,          // take our values as-is
-		                      0,                 // no extra data between each position
-		                      &m_coordColor[0]); // Pointer on the buffer
-		glEnableVertexAttribArray(m_GLColor);
+		m_GLprogram->SendAttribute(m_GLColor, 4/*r,g,b,a*/, &m_coordColor[0]);
 		// Request the draw od the elements : 
 		glDrawArrays(GL_TRIANGLES, 0, m_coord.Size());
 		m_GLprogram->UnUse();
@@ -99,8 +92,7 @@ void ewol::OObject2DColored::Draw(void)
 		
 		// Set the vertex pointer to our vertex data
 		glVertexPointer(2, GL_FLOAT, 0, &m_coord[0] );
-		//glColorPointer(4, oglTypeFloat_t, 0, &m_coordColor[0] );
-		glColorPointer(4, GL_FLOAT, 0, &m_coordColor[0] );
+		glColorPointer(4, GL_UNSIGNED_BYTE, 0, &m_coordColor[0] );
 		// Render : draw all of the triangles at once
 		glDrawArrays( GL_TRIANGLES, 0, m_coord.Size());
 		//glDrawElements( GL_TRIANGLES, 0, m_coord.Size());
diff --git a/Sources/libewol/ewol/oObject/2DColored.h b/Sources/libewol/ewol/oObject/2DColored.h
index 333852cd..42b9ecfb 100644
--- a/Sources/libewol/ewol/oObject/2DColored.h
+++ b/Sources/libewol/ewol/oObject/2DColored.h
@@ -39,9 +39,9 @@ namespace ewol {
 		protected:
 			#ifdef __VIDEO__OPENGL_ES_2
 				ewol::Program* m_GLprogram;
-				GLint          m_GLPosition;
-				GLint          m_GLMatrix;
-				GLint          m_GLColor;
+				int32_t        m_GLPosition;
+				int32_t        m_GLMatrix;
+				int32_t        m_GLColor;
 			#endif
 			etk::Vector<Vector2D<float> >   m_coord;       //!< internal coord of the object
 			#ifdef __VIDEO__OPENGL_ES_2
diff --git a/Sources/libewol/ewol/oObject/2DTextColored.cpp b/Sources/libewol/ewol/oObject/2DTextColored.cpp
index 560b5c0d..9b42f17f 100644
--- a/Sources/libewol/ewol/oObject/2DTextColored.cpp
+++ b/Sources/libewol/ewol/oObject/2DTextColored.cpp
@@ -80,7 +80,7 @@ ewol::OObject2DTextColored::OObject2DTextColored(etk::UString fontName, int32_t
 			m_GLPosition = m_GLprogram->GetAttribute("EW_coord2d");
 			m_GLColor    = m_GLprogram->GetAttribute("EW_color");
 			m_GLtexture  = m_GLprogram->GetAttribute("EW_texture2d");
-			//m_GLMatrix   = m_GLprogram->GetUniform("EW_MatrixTransformation");
+			m_GLMatrix   = m_GLprogram->GetUniform("EW_MatrixTransformation");
 			m_GLtexID    = m_GLprogram->GetUniform("EW_texID");
 		}
 	#endif
@@ -101,7 +101,7 @@ ewol::OObject2DTextColored::OObject2DTextColored(void) :
 			m_GLPosition = m_GLprogram->GetAttribute("EW_coord2d");
 			m_GLColor    = m_GLprogram->GetAttribute("EW_color");
 			m_GLtexture  = m_GLprogram->GetAttribute("EW_texture2d");
-			//m_GLMatrix   = m_GLprogram->GetUniform("EW_MatrixTransformation");
+			m_GLMatrix   = m_GLprogram->GetUniform("EW_MatrixTransformation");
 			m_GLtexID    = m_GLprogram->GetUniform("EW_texID");
 		}
 	#endif
@@ -137,39 +137,19 @@ void ewol::OObject2DTextColored::Draw(void)
 		}
 		glColor4f(1.0, 1.0, 1.0, 1.0);
 		m_GLprogram->Use();
-		glEnable(GL_TEXTURE_2D);
-		glActiveTexture(GL_TEXTURE0);
-		glBindTexture(GL_TEXTURE_2D, m_font->GetId());
+		// set Matrix : translation/positionMatrix
+		etk::Matrix tmpMatrix = ewol::openGL::GetMatrix();
+		m_GLprogram->SendUniformMatrix4fv(m_GLMatrix, 1, tmpMatrix.m_mat);
 		// TextureID
-		glUniform1i(m_GLtexID, /*GL_TEXTURE*/0);
+		m_GLprogram->SetTexture0(m_GLtexID, m_font->GetId());
 		// position :
-		glVertexAttribPointer(m_GLPosition,      // attribute ID of OpenGL
-		                      2,                 // number of elements per vertex, here (x,y)
-		                      GL_FLOAT,          // the type of each element
-		                      GL_FALSE,          // take our values as-is
-		                      0,                 // no extra data between each position
-		                      &m_coord[0]);      // Pointer on the buffer
-		glEnableVertexAttribArray(m_GLPosition);
+		m_GLprogram->SendAttribute(m_GLPosition, 2/*x,y*/, &m_coord[0]);
 		// Texture :
-		glVertexAttribPointer(m_GLtexture,       // attribute ID of OpenGL
-		                      2,                 // number of elements per vertex, here (u,v)
-		                      GL_FLOAT,          // the type of each element
-		                      GL_FALSE,          // take our values as-is
-		                      0,                 // no extra data between each position
-		                      &m_coordTex[0]);   // Pointer on the buffer
-		glEnableVertexAttribArray(m_GLtexture);
+		m_GLprogram->SendAttribute(m_GLtexture, 2/*u,v*/, &m_coordTex[0]);
 		// color :
-		glVertexAttribPointer(m_GLColor,         // attribute ID of OpenGL
-		                      4,                 // number of elements per vertex, here (r,g,b,a)
-		                      GL_FLOAT,          // the type of each element
-		                      GL_FALSE,          // take our values as-is
-		                      0,                 // no extra data between each position
-		                      &m_coordColor[0]); // Pointer on the buffer
-		glEnableVertexAttribArray(m_GLColor);
-		
+		m_GLprogram->SendAttribute(m_GLColor, 4/*r,g,b,a*/, &m_coordColor[0]);
 		// Request the draw od the elements : 
 		glDrawArrays(GL_TRIANGLES, 0, m_coord.Size());
-		glDisable(GL_TEXTURE_2D);
 		m_GLprogram->UnUse();
 	#else
 		glEnable(GL_TEXTURE_2D);
diff --git a/Sources/libewol/ewol/oObject/2DTextColored.h b/Sources/libewol/ewol/oObject/2DTextColored.h
index 60f843aa..4e7607ab 100644
--- a/Sources/libewol/ewol/oObject/2DTextColored.h
+++ b/Sources/libewol/ewol/oObject/2DTextColored.h
@@ -47,11 +47,11 @@ namespace ewol {
 		protected:
 			#ifdef __VIDEO__OPENGL_ES_2
 				ewol::Program* m_GLprogram;
-				GLint          m_GLPosition;
-				GLint          m_GLMatrix;
-				GLint          m_GLColor;
-				GLint          m_GLtexture;
-				GLint          m_GLtexID;
+				int32_t        m_GLPosition;
+				int32_t        m_GLMatrix;
+				int32_t        m_GLColor;
+				int32_t        m_GLtexture;
+				int32_t        m_GLtexID;
 			#endif
 			ewol::TexturedFont*             m_font;          //!< ewol font system
 			draw::Color                     m_color;         //!< tmp text color ...
diff --git a/Sources/libewol/ewol/oObject/2DTextured.cpp b/Sources/libewol/ewol/oObject/2DTextured.cpp
index 951ca65a..dfb24a83 100644
--- a/Sources/libewol/ewol/oObject/2DTextured.cpp
+++ b/Sources/libewol/ewol/oObject/2DTextured.cpp
@@ -44,7 +44,7 @@ ewol::OObject2DTextured::OObject2DTextured(etk::UString textureName, float sizeX
 			m_GLPosition = m_GLprogram->GetAttribute("EW_coord2d");
 			m_GLColor    = m_GLprogram->GetAttribute("EW_color");
 			m_GLtexture  = m_GLprogram->GetAttribute("EW_texture2d");
-			//m_GLMatrix   = m_GLprogram->GetUniform("EW_MatrixTransformation");
+			m_GLMatrix   = m_GLprogram->GetUniform("EW_MatrixTransformation");
 			m_GLtexID    = m_GLprogram->GetUniform("EW_texID");
 		}
 	#endif
@@ -77,39 +77,19 @@ void ewol::OObject2DTextured::Draw(void)
 		}
 		glColor4f(1.0, 1.0, 1.0, 1.0);
 		m_GLprogram->Use();
-		glEnable(GL_TEXTURE_2D);
-		glActiveTexture(GL_TEXTURE0);
-		glBindTexture(GL_TEXTURE_2D, m_resource->GetId());
+		// set Matrix : translation/positionMatrix
+		etk::Matrix tmpMatrix = ewol::openGL::GetMatrix();
+		m_GLprogram->SendUniformMatrix4fv(m_GLMatrix, 1, tmpMatrix.m_mat);
 		// TextureID
-		glUniform1i(m_GLtexID, /*GL_TEXTURE*/0);
+		m_GLprogram->SetTexture0(m_GLtexID, m_resource->GetId());
 		// position :
-		glVertexAttribPointer(m_GLPosition,      // attribute ID of OpenGL
-		                      2,                 // number of elements per vertex, here (x,y)
-		                      GL_FLOAT,          // the type of each element
-		                      GL_FALSE,          // take our values as-is
-		                      0,                 // no extra data between each position
-		                      &m_coord[0]);      // Pointer on the buffer
-		glEnableVertexAttribArray(m_GLPosition);
+		m_GLprogram->SendAttribute(m_GLPosition, 2/*x,y*/, &m_coord[0]);
 		// Texture :
-		glVertexAttribPointer(m_GLtexture,       // attribute ID of OpenGL
-		                      2,                 // number of elements per vertex, here (u,v)
-		                      GL_FLOAT,          // the type of each element
-		                      GL_FALSE,          // take our values as-is
-		                      0,                 // no extra data between each position
-		                      &m_coordTex[0]);   // Pointer on the buffer
-		glEnableVertexAttribArray(m_GLtexture);
+		m_GLprogram->SendAttribute(m_GLtexture, 2/*u,v*/, &m_coordTex[0]);
 		// color :
-		glVertexAttribPointer(m_GLColor,         // attribute ID of OpenGL
-		                      4,                 // number of elements per vertex, here (r,g,b,a)
-		                      GL_FLOAT,          // the type of each element
-		                      GL_FALSE,          // take our values as-is
-		                      0,                 // no extra data between each position
-		                      &m_coordColor[0]); // Pointer on the buffer
-		glEnableVertexAttribArray(m_GLColor);
-		
+		m_GLprogram->SendAttribute(m_GLColor, 4/*r,g,b,a*/, &m_coordColor[0]);
 		// Request the draw od the elements : 
 		glDrawArrays(GL_TRIANGLES, 0, m_coord.Size());
-		glDisable(GL_TEXTURE_2D);
 		m_GLprogram->UnUse();
 	#else
 		glColor4f(1.0, 1.0, 1.0, 1.0);
diff --git a/Sources/libewol/ewol/oObject/2DTextured.h b/Sources/libewol/ewol/oObject/2DTextured.h
index b529a2c6..d0ea18d6 100644
--- a/Sources/libewol/ewol/oObject/2DTextured.h
+++ b/Sources/libewol/ewol/oObject/2DTextured.h
@@ -42,11 +42,11 @@ namespace ewol {
 		protected:
 			#ifdef __VIDEO__OPENGL_ES_2
 				ewol::Program* m_GLprogram;
-				GLint          m_GLPosition;
-				GLint          m_GLMatrix;
-				GLint          m_GLColor;
-				GLint          m_GLtexture;
-				GLint          m_GLtexID;
+				int32_t        m_GLPosition;
+				int32_t        m_GLMatrix;
+				int32_t        m_GLColor;
+				int32_t        m_GLtexture;
+				int32_t        m_GLtexID;
 			#endif
 			ewol::TextureFile*              m_resource;    //!< texture resources
 			etk::Vector<Vector2D<float> >   m_coord;       //!< internal coord of the object
diff --git a/Sources/libewol/ewol/oObject/3DTextured.cpp b/Sources/libewol/ewol/oObject/3DTextured.cpp
index 8d3da04d..fcea52a4 100644
--- a/Sources/libewol/ewol/oObject/3DTextured.cpp
+++ b/Sources/libewol/ewol/oObject/3DTextured.cpp
@@ -44,7 +44,7 @@ ewol::OObject3DTextured::OObject3DTextured(etk::UString textureName, float sizeX
 			m_GLPosition = m_GLprogram->GetAttribute("EW_coord3d");
 			m_GLColor    = m_GLprogram->GetAttribute("EW_color");
 			m_GLtexture  = m_GLprogram->GetAttribute("EW_texture2d");
-			//m_GLMatrix   = m_GLprogram->GetUniform("EW_MatrixTransformation");
+			m_GLMatrix   = m_GLprogram->GetUniform("EW_MatrixTransformation");
 			m_GLtexID    = m_GLprogram->GetUniform("EW_texID");
 		}
 	#endif
@@ -77,39 +77,19 @@ void ewol::OObject3DTextured::Draw(void)
 		}
 		glColor4f(1.0, 1.0, 1.0, 1.0);
 		m_GLprogram->Use();
-		glEnable(GL_TEXTURE_2D);
-		glActiveTexture(GL_TEXTURE0);
-		glBindTexture(GL_TEXTURE_2D, m_resource->GetId());
+		// set Matrix : translation/positionMatrix
+		etk::Matrix tmpMatrix = ewol::openGL::GetMatrix();
+		m_GLprogram->SendUniformMatrix4fv(m_GLMatrix, 1, tmpMatrix.m_mat);
 		// TextureID
-		glUniform1i(m_GLtexID, /*GL_TEXTURE*/0);
+		m_GLprogram->SetTexture0(m_GLtexID, m_resource->GetId());
 		// position :
-		glVertexAttribPointer(m_GLPosition,      // attribute ID of OpenGL
-		                      3,                 // number of elements per vertex, here (x,y)
-		                      GL_FLOAT,          // the type of each element
-		                      GL_FALSE,          // take our values as-is
-		                      0,                 // no extra data between each position
-		                      &m_coord[0]);      // Pointer on the buffer
-		glEnableVertexAttribArray(m_GLPosition);
+		m_GLprogram->SendAttribute(m_GLPosition, 3/*x,y,z*/, &m_coord[0]);
 		// Texture :
-		glVertexAttribPointer(m_GLtexture,       // attribute ID of OpenGL
-		                      2,                 // number of elements per vertex, here (u,v)
-		                      GL_FLOAT,          // the type of each element
-		                      GL_FALSE,          // take our values as-is
-		                      0,                 // no extra data between each position
-		                      &m_coordTex[0]);   // Pointer on the buffer
-		glEnableVertexAttribArray(m_GLtexture);
+		m_GLprogram->SendAttribute(m_GLtexture, 2/*u,v*/, &m_coordTex[0]);
 		// color :
-		glVertexAttribPointer(m_GLColor,         // attribute ID of OpenGL
-		                      4,                 // number of elements per vertex, here (r,g,b,a)
-		                      GL_FLOAT,          // the type of each element
-		                      GL_FALSE,          // take our values as-is
-		                      0,                 // no extra data between each position
-		                      &m_coordColor[0]); // Pointer on the buffer
-		glEnableVertexAttribArray(m_GLColor);
-		
+		m_GLprogram->SendAttribute(m_GLColor, 4/*r,g,b,a*/, &m_coordColor[0]);
 		// Request the draw od the elements : 
 		glDrawArrays(GL_TRIANGLES, 0, m_coord.Size());
-		glDisable(GL_TEXTURE_2D);
 		m_GLprogram->UnUse();
 	#else
 		glColor4f(1.0, 1.0, 1.0, 1.0);
diff --git a/Sources/libewol/ewol/oObject/3DTextured.h b/Sources/libewol/ewol/oObject/3DTextured.h
index 572d45ef..0a324e33 100644
--- a/Sources/libewol/ewol/oObject/3DTextured.h
+++ b/Sources/libewol/ewol/oObject/3DTextured.h
@@ -42,11 +42,11 @@ namespace ewol {
 		protected:
 			#ifdef __VIDEO__OPENGL_ES_2
 				ewol::Program* m_GLprogram;
-				GLint          m_GLPosition;
-				GLint          m_GLMatrix;
-				GLint          m_GLColor;
-				GLint          m_GLtexture;
-				GLint          m_GLtexID;
+				int32_t        m_GLPosition;
+				int32_t        m_GLMatrix;
+				int32_t        m_GLColor;
+				int32_t        m_GLtexture;
+				int32_t        m_GLtexID;
 			#endif
 			ewol::TextureFile*              m_resource;    //!< texture resources
 			etk::Vector<Vector3D<float> >   m_coord;       //!< internal coord of the object
diff --git a/Sources/libewol/ewol/openGL/Program.cpp b/Sources/libewol/ewol/openGL/Program.cpp
index 48e59dc3..239603d3 100644
--- a/Sources/libewol/ewol/openGL/Program.cpp
+++ b/Sources/libewol/ewol/openGL/Program.cpp
@@ -22,6 +22,8 @@
  *******************************************************************************
  */
 
+#ifdef __VIDEO__OPENGL_ES_2
+
 #include <etk/Types.h>
 #include <ewol/Debug.h>
 #include <ewol/openGL/Program.h>
@@ -29,7 +31,8 @@
 
 ewol::Program::Program(etk::UString& filename) :
 	ewol::Resource(filename),
-	m_program(0)
+	m_program(0),
+	m_hasTexture(false)
 {
 	
 	// load data from file "all the time ..."
@@ -89,6 +92,8 @@ ewol::Program::~Program(void)
 		glDeleteProgram(m_program);
 		m_program = 0;
 	}
+	m_elementList.Clear();
+	m_hasTexture = false;
 }
 
 static void checkGlError(const char* op)
@@ -131,55 +136,104 @@ bool ewol::Program::CreateAndLink(void)
 	return true;
 }
 
-// TODO : Set it dynamic  to prevent reload system error ...
-GLint ewol::Program::GetAttribute(etk::UString& tmpElement)
+int32_t ewol::Program::GetAttribute(etk::UString tmpElement)
 {
-	GLint elem = glGetAttribLocation(m_program, tmpElement.c_str());
-	if (elem<0) {
+	// check if it exist previously :
+	for(int32_t iii=0; iii<m_elementList.Size(); iii++) {
+		if (m_elementList[iii].m_name == tmpElement) {
+			return iii;
+		}
+	}
+	progAttributeElement tmp;
+	tmp.m_name = tmpElement;
+	tmp.m_isAttribute = true;
+	tmp.m_elementId = glGetAttribLocation(m_program, tmp.m_name.c_str());
+	if (tmp.m_elementId<0) {
 		checkGlError("glGetAttribLocation");
-		EWOL_INFO("glGetAttribLocation(\"" << tmpElement << "\") = " << elem);
+		EWOL_INFO("glGetAttribLocation(\"" << tmp.m_name << "\") = " << tmp.m_elementId);
+		return -1;
 	}
-	return elem;
-}
-GLint ewol::Program::GetAttribute(const char* tmpElement)
-{
-	GLint elem = glGetAttribLocation(m_program, tmpElement);
-	if (elem<0) {
-		checkGlError("glGetAttribLocation");
-		EWOL_INFO("glGetAttribLocation(\"" << tmpElement << "\") = " << elem);
-	}
-	return elem;
+	m_elementList.PushBack(tmp);
+	return m_elementList.Size()-1;
 }
 
-GLint ewol::Program::GetUniform(etk::UString& tmpElement)
+int32_t ewol::Program::GetUniform(etk::UString tmpElement)
 {
-	GLint elem = glGetUniformLocation(m_program, tmpElement.c_str());
-	if (elem<0) {
+	// check if it exist previously :
+	for(int32_t iii=0; iii<m_elementList.Size(); iii++) {
+		if (m_elementList[iii].m_name == tmpElement) {
+			return iii;
+		}
+	}
+	progAttributeElement tmp;
+	tmp.m_name = tmpElement;
+	tmp.m_isAttribute = false;
+	tmp.m_elementId = glGetUniformLocation(m_program, tmp.m_name.c_str());
+	if (tmp.m_elementId<0) {
 		checkGlError("glGetUniformLocation");
-		EWOL_INFO("glGetUniformLocation(\"" << tmpElement << "\") = " << elem);
+		EWOL_INFO("glGetUniformLocation(\"" << tmp.m_name << "\") = " << tmp.m_elementId);
+		return -1;
 	}
-	return elem;
+	m_elementList.PushBack(tmp);
+	return m_elementList.Size()-1;
 }
 
-
-GLint ewol::Program::GetUniform(const char* tmpElement)
+void ewol::Program::SendAttribute(int32_t idElem, int32_t nbElement, void* pointer, int32_t jumpBetweenSample)
 {
-	GLint elem = glGetUniformLocation(m_program, tmpElement);
-	if (elem<0) {
-		checkGlError("glGetUniformLocation");
-		EWOL_INFO("glGetUniformLocation(\"" << tmpElement << "\") = " << elem);
+	if (idElem<0 || idElem>m_elementList.Size()) {
+		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
+		return;
 	}
-	return elem;
+	glVertexAttribPointer(m_elementList[idElem].m_elementId,  // attribute ID of OpenGL
+	                      nbElement,                          // number of elements per vertex, here (r,g,b,a)
+	                      GL_FLOAT,                           // the type of each element
+	                      GL_FALSE,                           // take our values as-is
+	                      jumpBetweenSample,                  // no extra data between each position
+	                      pointer);                           // Pointer on the buffer
+	glEnableVertexAttribArray(m_elementList[idElem].m_elementId);
 }
 
+
+void ewol::Program::SendUniformMatrix4fv(int32_t idElem, int32_t nbElement, float* pointer)
+{
+	if (idElem<0 || idElem>m_elementList.Size()) {
+		EWOL_ERROR("idElem = " << idElem << " not in [0.." << (m_elementList.Size()-1) << "]");
+		return;
+	}
+	glUniformMatrix4fv(m_elementList[idElem].m_elementId, nbElement, GL_TRUE, pointer);
+}
+
+
 void ewol::Program::Use(void)
 {
 	glUseProgram(m_program);
 	checkGlError("glUseProgram");
 }
 
+
+void ewol::Program::SetTexture0(int32_t idElem, GLint textureOpenGlID)
+{
+	if (idElem<0 || idElem>m_elementList.Size()) {
+		return;
+	}
+	glEnable(GL_TEXTURE_2D);
+	glActiveTexture(GL_TEXTURE0);
+	// set the textureID
+	glBindTexture(GL_TEXTURE_2D, textureOpenGlID);
+	// Set the texture on the uniform attribute
+	glUniform1i(m_elementList[idElem].m_elementId, /*GL_TEXTURE*/0);
+	m_hasTexture = true;
+}
+
 void ewol::Program::UnUse(void)
 {
+	if (true == m_hasTexture) {
+		glDisable(GL_TEXTURE_2D);
+		m_hasTexture = false;
+	}
 	glUseProgram(0);
 	checkGlError("glUseProgram");
-}
\ No newline at end of file
+}
+
+
+#endif
diff --git a/Sources/libewol/ewol/openGL/Program.h b/Sources/libewol/ewol/openGL/Program.h
index b7cae570..d213fa49 100644
--- a/Sources/libewol/ewol/openGL/Program.h
+++ b/Sources/libewol/ewol/openGL/Program.h
@@ -24,35 +24,44 @@
 
 #ifndef __OPEN_GL__PROGRAM_H__
 #define __OPEN_GL__PROGRAM_H__
-
-#include <etk/Types.h>
-#include <ewol/Debug.h>
-#include <ewol/Resource.h>
-#include <ewol/openGL/openGL.h>
-#include <ewol/openGL/Shader.h>
-
-namespace ewol
-{
-	class Program : public ewol::Resource
-	{
-		private :
-			GLuint                     m_program;
-			etk::Vector<ewol::Shader*> m_shaderList;
-		public:
-			Program(etk::UString& filename);
-			virtual ~Program(void);
-			const char* GetType(void) { return "ewol::Program"; };
-			GLuint GetGL_ID(void) { return m_program; };
-			bool CreateAndLink(void);
-			GLint GetAttribute(etk::UString& tmpElement);
-			GLint GetAttribute(const char* tmpElement);
-			GLint GetUniform(etk::UString& tmpElement);
-			GLint GetUniform(const char* tmpElement);
-			void Use(void);
-			void UnUse(void);
-	};
-};
-
-
+	#ifdef __VIDEO__OPENGL_ES_2
+		#include <etk/Types.h>
+		#include <ewol/Debug.h>
+		#include <ewol/Resource.h>
+		#include <ewol/openGL/openGL.h>
+		#include <ewol/openGL/Shader.h>
+		
+		namespace ewol
+		{
+			class progAttributeElement
+			{
+				public :
+					etk::UString m_name;
+					GLint        m_elementId;
+					bool         m_isAttribute;
+			};
+			
+			class Program : public ewol::Resource
+			{
+				private :
+					GLuint                                  m_program;
+					etk::Vector<ewol::Shader*>              m_shaderList;
+					etk::Vector<ewol::progAttributeElement> m_elementList;
+					bool                                    m_hasTexture;
+				public:
+					Program(etk::UString& filename);
+					virtual ~Program(void);
+					const char* GetType(void) { return "ewol::Program"; };
+					bool CreateAndLink(void);
+					int32_t GetAttribute(etk::UString tmpElement);
+					void SendAttribute(int32_t idElem, int32_t nbElement, void* pointer, int32_t jumpBetweenSample=0);
+					int32_t GetUniform(etk::UString tmpElement);
+					void SendUniformMatrix4fv(int32_t idElem, int32_t nbElement, float* pointer);
+					void Use(void);
+					void SetTexture0(int32_t idElem, GLint textureOpenGlID);
+					void UnUse(void);
+			};
+		};
+	#endif
 #endif
 
diff --git a/Sources/libewol/ewol/openGL/Shader.cpp b/Sources/libewol/ewol/openGL/Shader.cpp
index 598d2b3c..14382d28 100644
--- a/Sources/libewol/ewol/openGL/Shader.cpp
+++ b/Sources/libewol/ewol/openGL/Shader.cpp
@@ -22,6 +22,8 @@
  *******************************************************************************
  */
 
+#ifdef __VIDEO__OPENGL_ES_2
+
 #include <etk/Types.h>
 #include <etk/File.h>
 #include <ewol/Debug.h>
@@ -132,3 +134,5 @@ bool ewol::Shader::CompileAndSendShader(void)
 	return true;
 }
 
+#endif
+
diff --git a/Sources/libewol/ewol/openGL/Shader.h b/Sources/libewol/ewol/openGL/Shader.h
index 3b7c76a0..1b22dd6e 100644
--- a/Sources/libewol/ewol/openGL/Shader.h
+++ b/Sources/libewol/ewol/openGL/Shader.h
@@ -24,30 +24,29 @@
 
 #ifndef __OPEN_GL__SHADER_H__
 #define __OPEN_GL__SHADER_H__
-
-#include <etk/Types.h>
-#include <ewol/Debug.h>
-#include <ewol/Resource.h>
-#include <ewol/openGL/openGL.h>
-
-namespace ewol
-{
-	class Shader : public ewol::Resource
-	{
-		private :
-			char*          m_fileData;
-			GLuint         m_shader;
-			GLenum         m_type;
-		public:
-			Shader(etk::UString& filename);
-			virtual ~Shader(void);
-			const char* GetType(void) { return "ewol::Shader"; };
-			GLuint GetGL_ID(void) { return m_shader; };
-			GLenum GetShaderType(void) { return m_type; };
-			bool CompileAndSendShader(void);
-	};
-};
-
-
+	#ifdef __VIDEO__OPENGL_ES_2
+		#include <etk/Types.h>
+		#include <ewol/Debug.h>
+		#include <ewol/Resource.h>
+		#include <ewol/openGL/openGL.h>
+		
+		namespace ewol
+		{
+			class Shader : public ewol::Resource
+			{
+				private :
+					char*          m_fileData;
+					GLuint         m_shader;
+					GLenum         m_type;
+				public:
+					Shader(etk::UString& filename);
+					virtual ~Shader(void);
+					const char* GetType(void) { return "ewol::Shader"; };
+					GLuint GetGL_ID(void) { return m_shader; };
+					GLenum GetShaderType(void) { return m_type; };
+					bool CompileAndSendShader(void);
+			};
+		};
+	#endif
 #endif
 
diff --git a/Sources/libewol/ewol/openGL/openGL.cpp b/Sources/libewol/ewol/openGL/openGL.cpp
index e0462ee7..0951a313 100644
--- a/Sources/libewol/ewol/openGL/openGL.cpp
+++ b/Sources/libewol/ewol/openGL/openGL.cpp
@@ -24,6 +24,7 @@
 
 #include <ewol/Debug.h>
 #include <ewol/openGL/openGL.h>
+#include <etk/Vector.h>
 
 
 void glOrthoMatrix(GLfloat left,
@@ -67,107 +68,72 @@ void glOrthoEwol(GLfloat left,
 }
 
 
-ewol::OglMatrix::OglMatrix(float left, float right, float bottom, float top, float nearVal, float farVal)
+etk::Vector<etk::Matrix> l_matrixList;
+
+void ewol::openGL::Init(void)
 {
-	Generate(left, right, bottom, top, nearVal, farVal);
+	// remove deprecated pb ...
+	l_matrixList.Clear();
+	etk::Matrix tmpMat;
+	l_matrixList.PushBack(tmpMat);
 }
 
-void ewol::OglMatrix::Generate(float left, float right, float bottom, float top, float nearVal, float farVal)
+
+void ewol::openGL::UnInit(void)
 {
-	int iii;
-	for(iii=0; iii<4*4 ; iii++) {
-		m_Matrix[iii] = 0;
-	}
-	m_Matrix[0] = 2.0 / (right - left);
-	m_Matrix[5] = 2.0 / (top - bottom);
-	m_Matrix[10] = -2.0 / (farVal - nearVal);
-	m_Matrix[3]  = -1*(right + left) / (right - left);
-	m_Matrix[7]  = -1*(top + bottom) / (top - bottom);
-	m_Matrix[11] = -1*(farVal + nearVal) / (farVal - nearVal);
-	m_Matrix[15] = 1;
+	l_matrixList.Clear();
 }
 
-ewol::OglMatrix::~OglMatrix()
+void ewol::openGL::SetBasicMatrix(etk::Matrix& newOne)
 {
-	
-}
-//http://www.siteduzero.com/tutoriel-3-5003-les-matrices.html
-static void MultiplyMatrix(float* inOut, float* mult)
-{
-	
-	// output Matrix
-	float matrixOut[4*4];
-	for(int32_t jjj=0; jjj<4 ; jjj++) {
-		float* tmpLeft = inOut + jjj*4;
-		for(int32_t iii=0; iii<4 ; iii++) {
-			float* tmpUpper = mult+iii;
-			float* tmpLeft2 = tmpLeft;
-			float tmpElement = 0;
-			for(int32_t kkk=0; kkk<4 ; kkk++) {
-				tmpElement += *tmpUpper * *tmpLeft2;
-				tmpUpper += 4;
-				tmpLeft2++;
-			}
-			matrixOut[jjj*4+iii] = tmpElement;
-		}
-	}
-	// set it at the output
-	for(int32_t iii=0; iii<4*4 ; iii++) {
-		inOut[iii] = matrixOut[iii];
+	if (l_matrixList.Size()!=1) {
+		EWOL_ERROR("matrix is not corect size in the stack : " << l_matrixList.Size());
 	}
+	l_matrixList.Clear();
+	l_matrixList.PushBack(newOne);
 }
 
-void ewol::OglMatrix::Translate(float x, float y, float z)
+void ewol::openGL::SetMatrix(etk::Matrix& newOne)
 {
-	float matrix[4*4];
-	for(int32_t iii=0; iii<4*4 ; iii++) {
-		matrix[iii] = 0;
+	if (l_matrixList.Size()==0) {
+		EWOL_ERROR("set matrix list is not corect size in the stack : " << l_matrixList.Size());
+		l_matrixList.PushBack(newOne);
+		return;
 	}
-	// set identity :
-	matrix[0] = 1;
-	matrix[5] = 1;
-	matrix[10] = 1;
-	matrix[15] = 1;
-	// set translation :
-	matrix[3] = x;
-	matrix[7] = y;
-	matrix[11] = y;
-	// generate output :
-	MultiplyMatrix(m_Matrix, matrix);
+	l_matrixList[l_matrixList.Size()-1] = newOne;
 }
 
-void ewol::OglMatrix::Scale(float x, float y, float z)
+void ewol::openGL::Push(void)
 {
-	float matrix[4*4];
-	for(int32_t iii=0; iii<4*4 ; iii++) {
-		matrix[iii] = 0;
+	if (l_matrixList.Size()==0) {
+		EWOL_ERROR("set matrix list is not corect size in the stack : " << l_matrixList.Size());
+		etk::Matrix tmp;
+		l_matrixList.PushBack(tmp);
+		return;
 	}
-	// set identity :
-	matrix[0] = 1;
-	matrix[5] = 1;
-	matrix[10] = 1;
-	matrix[15] = 1;
-	// set scale :
-	matrix[0] = x;
-	matrix[5] = y;
-	matrix[10] = z;
-	// generate output :
-	MultiplyMatrix(m_Matrix, matrix);
+	etk::Matrix tmp = l_matrixList[l_matrixList.Size()-1];
+	l_matrixList.PushBack(tmp);
 }
 
-void ewol::OglMatrix::rotate(float x, float y, float z, float angle)
+void ewol::openGL::Pop(void)
 {
-	float matrix[4*4];
-	for(int32_t iii=0; iii<4*4 ; iii++) {
-		matrix[iii] = 0;
+	if (l_matrixList.Size()<=1) {
+		EWOL_ERROR("set matrix list is not corect size in the stack : " << l_matrixList.Size());
+		l_matrixList.Clear();
+		etk::Matrix tmp;
+		l_matrixList.PushBack(tmp);
+		return;
 	}
-	// set identity :
-	matrix[0] = 1;
-	matrix[5] = 1;
-	matrix[10] = 1;
-	matrix[15] = 1;
-	// TODO ...
-	// generate output :
-	MultiplyMatrix(m_Matrix, matrix);
+	l_matrixList.PopBack();
+}
+
+etk::Matrix& ewol::openGL::GetMatrix(void)
+{
+	if (l_matrixList.Size()==0) {
+		EWOL_ERROR("set matrix list is not corect size in the stack : " << l_matrixList.Size());
+		etk::Matrix tmp;
+		l_matrixList.PushBack(tmp);
+	}
+	return l_matrixList[l_matrixList.Size()-1];
 }
 
diff --git a/Sources/libewol/ewol/openGL/openGL.h b/Sources/libewol/ewol/openGL/openGL.h
index 27e25210..43210ac3 100644
--- a/Sources/libewol/ewol/openGL/openGL.h
+++ b/Sources/libewol/ewol/openGL/openGL.h
@@ -25,29 +25,38 @@
 #ifndef __OPEN_GL_H__
 #define __OPEN_GL_H__
 
+#include <etk/Matrix.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#if defined(__TARGET_OS__Linux)
+#if defined(__TARGET_OS__Linux) || defined(__TARGET_OS__Windows)
 	#ifdef __VIDEO__OPENGL_ES_2
 		// TO ENABLE THE SHADER api ...
 		#define GL_GLEXT_PROTOTYPES
 	#endif
 	#include <GL/gl.h>
+	#ifdef __VIDEO__OPENGL_ES_2
+		// This is to prevent the use of these element that is not allowed in the OpenGL ES
+		#undef glVertexPointer
+		#undef glTexCoordPointer
+		#undef glColorPointer
+		#undef glPopMatrix
+		#undef glPushMatrix
+		#undef glMatrixMode
+		#undef glLoadIdentity
+		#undef glTranslatef
+	#endif
 #elif defined(__TARGET_OS__Android)
 	#ifdef __VIDEO__OPENGL_ES_2
+		// Include openGL ES 2
 		#include <GLES2/gl2.h>
 		#include <GLES2/gl2ext.h>
 	#else
-		
+		// Include openGL ES 1
+		#include <GLES/gl.h>
 	#endif
-#elif defined(__TARGET_OS__Windows)
-	#ifdef __VIDEO__OPENGL_ES_2
-		// TO ENABLE THE SHADER api ...
-		#define GL_GLEXT_PROTOTYPES
-	#endif
-	#include <GL/gl.h>
 #elif defined(__TARGET_OS__MacOs)
 	
 #elif defined(__TARGET_OS__IOs)
@@ -56,18 +65,20 @@ extern "C" {
 	#error you need to specify a __TAGET_OS__ ...
 #endif
 
+// TODO : Remove : deprecated ....
 void glOrthoEwol(GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat nearVal, GLfloat farVal);
 
 namespace ewol {
-	class OglMatrix{
-		public :
-			float m_Matrix[4*4];
-			OglMatrix(float left, float right, float bottom, float top, float nearVal, float farVal);
-			~OglMatrix();
-			void Generate(float left, float right, float bottom, float top, float nearVal, float farVal);
-			void Translate(float x=0.0, float y=0.0, float z=0.0);
-			void Scale(float x=1.0, float y=1.0, float z=1.0);
-			void rotate(float x, float y, float z, float angle=0.0);
+	namespace openGL {
+		void Init(void);
+		void UnInit(void);
+		// reset the basic element at this one ... remove all previous
+		void SetBasicMatrix(etk::Matrix& newOne);
+		// this is the same system as openGL-ES-1 but in openGL-ES-2 (here is the abstraction)
+		void SetMatrix(etk::Matrix& newOne);
+		void Push(void);
+		void Pop(void);
+		etk::Matrix& GetMatrix(void);
 	};
 };
 
diff --git a/Sources/libewol/ewol/os/eSystem.cpp b/Sources/libewol/ewol/os/eSystem.cpp
index 0ea30f73..f03dee61 100644
--- a/Sources/libewol/ewol/os/eSystem.cpp
+++ b/Sources/libewol/ewol/os/eSystem.cpp
@@ -240,6 +240,7 @@ void eSystem::Init(void)
 		EWOL_INFO("v" EWOL_VERSION_TAG_NAME);
 		EWOL_INFO("Build Date: " BUILD_TIME);
 		etk::InitDefaultFolder("ewolApplNoName");
+		ewol::openGL::Init();
 		ewol::EObjectManager::Init();
 		ewol::EObjectMessageMultiCast::Init();
 		l_managementInput.Reset();
@@ -271,6 +272,7 @@ void eSystem::UnInit(void)
 		ewol::EObjectMessageMultiCast::UnInit();
 		ewol::EObjectManager::UnInit();
 		ewol::resource::UnInit();
+		ewol::openGL::UnInit();
 		l_managementInput.Reset();
 		l_msgSystem.Clean();
 	}
diff --git a/Sources/libewol/ewol/os/gui.X11.cpp b/Sources/libewol/ewol/os/gui.X11.cpp
index 7d387253..d8756e84 100644
--- a/Sources/libewol/ewol/os/gui.X11.cpp
+++ b/Sources/libewol/ewol/os/gui.X11.cpp
@@ -1178,19 +1178,6 @@ int main(int argc, char *argv[])
 	etk::File myIcon = APP_Icon();
 	SetIcon(myIcon);
 	
-	GLuint shader;
-	/* creation */
-	shader = glCreateShader(GL_VERTEX_SHADER);
-	if(shader == 0) {
-		/* erreur de creation :( */
-		return -1;
-	}
-	/* utilisation ... */
-	/* suppression */
-	glDeleteShader(shader);
-	shader = 0;
-	
-	
 	// Run ...
 	X11_Run();
 	// close X11 :
diff --git a/Sources/libewol/ewol/widget/Widget.cpp b/Sources/libewol/ewol/widget/Widget.cpp
index 527b824a..0e409f47 100644
--- a/Sources/libewol/ewol/widget/Widget.cpp
+++ b/Sources/libewol/ewol/widget/Widget.cpp
@@ -225,7 +225,11 @@ void ewol::Widget::GenDraw(DrawProperty displayProp)
 		// widget is hidden ...
 		return;
 	}
-	glPushMatrix();
+	#ifdef __VIDEO__OPENGL_ES_2
+		ewol::openGL::Push();
+	#else
+		glPushMatrix();
+	#endif
 	if(    (displayProp.m_origin.x > m_origin.x)
 	    || (displayProp.m_origin.x + displayProp.m_size.x < m_size.x + m_origin.x) ) {
 		// here we invert the reference of the standard OpenGl view because the reference in the common display is Top left and not buttom left
@@ -243,14 +247,23 @@ void ewol::Widget::GenDraw(DrawProperty displayProp)
 		            tmpOriginY,
 		            tmpclipX,
 		            m_size.y);
-		glMatrixMode(GL_PROJECTION);
-		glLoadIdentity();
-		glOrthoEwol(-tmpclipX/2, tmpclipX/2, -m_size.y/2, m_size.y/2, -1, 1);
-		//glOrthoEwol(0., m_size.x, 0., -m_size.y, 1., 20.);
-		
-		glMatrixMode(GL_MODELVIEW);
-		glLoadIdentity();
-		glTranslatef(-tmpclipX/2 - (tmpOriginX-m_origin.x), -m_size.y/2, -1.0);
+		#ifdef __VIDEO__OPENGL_ES_2
+			etk::Matrix tmpTranslate = etk::matrix::Translate(-tmpclipX/2 - (tmpOriginX-m_origin.x), -m_size.y/2, -1.0);
+			etk::Matrix tmpProjection = etk::matrix::Perspective(-tmpclipX/2, tmpclipX/2, -m_size.y/2, m_size.y/2, -1, 1);
+			etk::Matrix tmpMat = tmpProjection * tmpTranslate;
+			// set internal matrix system :
+			ewol::openGL::SetMatrix(tmpMat);
+		#else
+			glMatrixMode(GL_PROJECTION);
+			glLoadIdentity();
+			glOrthoEwol(-tmpclipX/2, tmpclipX/2, -m_size.y/2, m_size.y/2, -1, 1);
+			//glOrthoEwol(0., m_size.x, 0., -m_size.y, 1., 20.);
+			
+			glMatrixMode(GL_MODELVIEW);
+			glLoadIdentity();
+			glTranslatef(-tmpclipX/2 - (tmpOriginX-m_origin.x), -m_size.y/2, -1.0);
+		#endif
+			glLoadIdentity();
 		// Call the widget drawing methode
 		displayProp.m_origin.x = tmpOriginX;
 		displayProp.m_origin.y = tmpOriginY;
@@ -262,19 +275,35 @@ void ewol::Widget::GenDraw(DrawProperty displayProp)
 		            m_origin.y,
 		            m_size.x,
 		            m_size.y);
-		glMatrixMode(GL_PROJECTION);
-		glLoadIdentity();
-		glOrthoEwol(-m_size.x/2, m_size.x/2, -m_size.y/2, m_size.y/2, -1, 1);
-		
-		glMatrixMode(GL_MODELVIEW);
-		glLoadIdentity();
-		glTranslatef(-m_size.x/2, -m_size.y/2, -1.0);
+		#ifdef __VIDEO__OPENGL_ES_2
+			#if 1
+				etk::Matrix tmpTranslate = etk::matrix::Translate(-m_size.x/2, -m_size.y/2, -1.0);
+				etk::Matrix tmpProjection = etk::matrix::Perspective(-m_size.x/2, m_size.x/2, -m_size.y/2, m_size.y/2, -1, 1);
+				etk::Matrix tmpMat = tmpProjection * tmpTranslate;
+			#else
+				etk::Matrix tmpMat = etk::matrix::Perspective(0, m_size.x, 0, m_size.y, -1, 1);
+			#endif
+			// set internal matrix system :
+			ewol::openGL::SetMatrix(tmpMat);
+		#else
+			glMatrixMode(GL_PROJECTION);
+			glLoadIdentity();
+			glOrthoEwol(-m_size.x/2, m_size.x/2, -m_size.y/2, m_size.y/2, -1, 1);
+			
+			glMatrixMode(GL_MODELVIEW);
+			glLoadIdentity();
+			glTranslatef(-m_size.x/2, -m_size.y/2, -1.0);
+		#endif
 		// Call the widget drawing methode
 		displayProp.m_origin = m_origin;
 		displayProp.m_size = m_size;
 		OnDraw(displayProp);
 	}
-	glPopMatrix();
+	#ifdef __VIDEO__OPENGL_ES_2
+		ewol::openGL::Pop();
+	#else
+		glPopMatrix();
+	#endif
 	return;
 }
 
diff --git a/Sources/libewol/ewol/widget/Windows.cpp b/Sources/libewol/ewol/widget/Windows.cpp
index a6eedcab..b88336b8 100644
--- a/Sources/libewol/ewol/widget/Windows.cpp
+++ b/Sources/libewol/ewol/widget/Windows.cpp
@@ -27,6 +27,7 @@
 #include <ewol/widget/Widget.h>
 #include <ewol/widget/Windows.h>
 #include <ewol/oObject/OObject.h>
+#include <ewol/openGL/openGL.h>
 #include <ewol/texture/Texture.h>
 #include <ewol/font/Font.h>
 #include <ewol/ewol.h>
@@ -124,6 +125,10 @@ void ewol::Windows::SysDraw(void)
 	glEnable(GL_BLEND);
 	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	
+	// clear the matrix system :
+	etk::Matrix newOne;
+	ewol::openGL::SetBasicMatrix(newOne);
+	
 	ewol::DrawProperty displayProp;
 	displayProp.m_windowsSize = m_size;
 	displayProp.m_origin.x = 0;
diff --git a/share/basicShader.frag b/share/basicShader.frag
deleted file mode 100644
index 4b00534b..00000000
--- a/share/basicShader.frag
+++ /dev/null
@@ -1,6 +0,0 @@
-
-
-void main() {
-	gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
-}
-
diff --git a/share/basicShader.prog b/share/basicShader.prog
deleted file mode 100644
index 40e03d34..00000000
--- a/share/basicShader.prog
+++ /dev/null
@@ -1,4 +0,0 @@
-basicShader.vert
-basicShader.frag
-
-
diff --git a/share/basicShader.vert b/share/basicShader.vert
deleted file mode 100644
index c545f3a9..00000000
--- a/share/basicShader.vert
+++ /dev/null
@@ -1,7 +0,0 @@
-
-attribute vec4 vPosition;
-
-void main() {
-	gl_Position = vPosition;
-}
-
diff --git a/share/color.vert b/share/color.vert
index 37714e77..b69a5ff3 100644
--- a/share/color.vert
+++ b/share/color.vert
@@ -7,8 +7,7 @@ uniform mat4 EW_MatrixTransformation;
 varying vec4 f_color;
 
 void main(void) {
-	//gl_Position = EW_MatrixTransformation * vec4(EW_coord2d, 0.0, 1.0);
-	gl_Position = gl_ProjectionMatrix * gl_ModelViewMatrix * vec4(EW_coord2d, 0.0, 1.0);
-	//gl_Position = vec4(EW_coord2d, 0.0, 1.0);
+	gl_Position = EW_MatrixTransformation * vec4(EW_coord2d, 0.0, 1.0);
+	//gl_Position = gl_ProjectionMatrix * gl_ModelViewMatrix * vec4(EW_coord2d, 0.0, 1.0);
 	f_color = EW_color;
 }
diff --git a/share/textured.vert b/share/textured.vert
index 9ee07bb2..94f384d3 100644
--- a/share/textured.vert
+++ b/share/textured.vert
@@ -9,8 +9,8 @@ varying vec4 f_color;
 varying vec2 f_texcoord;
 
 void main(void) {
-	//gl_Position = EW_MatrixTransformation * vec4(EW_coord2d, 0.0, 1.0);
-	gl_Position = gl_ProjectionMatrix * gl_ModelViewMatrix * vec4(EW_coord2d, 0.0, 1.0);
+	gl_Position = EW_MatrixTransformation * vec4(EW_coord2d, 0.0, 1.0);
+	//gl_Position = gl_ProjectionMatrix * gl_ModelViewMatrix * vec4(EW_coord2d, 0.0, 1.0);
 	// set texture output coord
 	f_texcoord = EW_texture2d;
 	// set output color :
diff --git a/share/textured3D.vert b/share/textured3D.vert
index d4bcb61d..794ab115 100644
--- a/share/textured3D.vert
+++ b/share/textured3D.vert
@@ -9,8 +9,8 @@ varying vec4 f_color;
 varying vec2 f_texcoord;
 
 void main(void) {
-	//gl_Position = EW_MatrixTransformation * vec4(EW_coord2d, 0.0, 1.0);
-	gl_Position = gl_ProjectionMatrix * gl_ModelViewMatrix * vec4(EW_coord3d, 1.0);
+	gl_Position = EW_MatrixTransformation * vec4(EW_coord2d, 0.0, 1.0);
+	//gl_Position = gl_ProjectionMatrix * gl_ModelViewMatrix * vec4(EW_coord3d, 1.0);
 	// set texture output coord
 	f_texcoord = EW_texture2d;
 	// set output color :