add vboRender / allow VBO update from given vector

Apps/Examples/viewer.cpp

@@ -113,7 +113,6 @@ void Viewer::cb_initGL()
 	m_simpleColorShader->setColor(c) ;
 
 	m_pointSprite = new Utils::PointSprite() ;
-	m_pointSprite->setAttributePosition(m_positionVBO) ;
 
 	registerShader(m_phongShader) ;
 	registerShader(m_flatShader) ;
@@ -127,6 +126,7 @@ void Viewer::cb_redraw()
 	if(m_drawVertices)
 	{
 		float size = vertexScaleFactor ;
+		m_pointSprite->setAttributePosition(m_positionVBO) ;
 		m_pointSprite->setSize(size) ;
 		m_pointSprite->predraw(Geom::Vec3f(0.0f, 0.0f, 1.0f)) ;
 		m_render->draw(m_pointSprite, Algo::Render::GL2::POINTS) ;
@@ -191,6 +191,18 @@ void Viewer::cb_Save()
 	exportMesh(filename) ;
 }
 
+void Viewer::cb_keyPress(int keycode)
+{
+    switch(keycode)
+    {
+    	case 'c' :
+    		myMap.check();
+    		break;
+    	default:
+    		break;
+    }
+}
+
 void Viewer::importMesh(std::string& filename)
 {
 	myMap.clear(true) ;
@@ -311,21 +323,6 @@ void Viewer::slot_normalsSize(int i)
 	updateGL() ;
 }
 
-void Viewer::cb_keyPress(int keycode)
-{
-    switch(keycode)
-    {
-    	case 'c' :
-    		myMap.check();
-    		break;
-    	default:
-    		break;
-    }
-
-    updateGLMatrices() ;
-    updateGL();
-}
-
 /**********************************************************************************************
  *                                      MAIN FUNCTION                                         *
  **********************************************************************************************/
@@ -334,6 +331,8 @@ int main(int argc, char **argv)
 {
 	QApplication app(argc, argv) ;
 
+	srand(123) ;
+
 	Viewer sqt ;
 	sqt.setGeometry(0, 0, 1000, 800) ;
  	sqt.show() ;

Apps/Examples/viewer.h

@@ -46,6 +46,8 @@
 #include "Utils/Shaders/shaderVectorPerVertex.h"
 #include "Utils/pointSprite.h"
 #include "Utils/text3d.h"
+#include "Utils/vboRender.h"
+
 #include "Utils/Qt/qtInputs.h"
 
 #include "Algo/Geometry/boundingbox.h"

include/Algo/Render/GL2/drawerCells.h

@@ -79,7 +79,7 @@ void drawerVertices(Utils::Drawer& dr, typename PFP::MAP& map, std::vector<Dart>
  * @param k shrinking factor
  */
 template<typename PFP>
-void drawerEdges(Utils::Drawer& dr, typename PFP::MAP& map, std::vector<Dart>& vd, const VertexAttribute<typename PFP::VEC3>& positions,float k);
+void drawerEdges(Utils::Drawer& dr, typename PFP::MAP& map, std::vector<Dart>& vd, const VertexAttribute<typename PFP::VEC3>& positions, float k);
 
 /**
  * add a set of faces to a drawer
@@ -90,7 +90,7 @@ void drawerEdges(Utils::Drawer& dr, typename PFP::MAP& map, std::vector<Dart>& v
  * @param k shrinking factor
  */
 template<typename PFP>
-void drawerFaces(Utils::Drawer& dr, typename PFP::MAP& map, std::vector<Dart>& vd, const VertexAttribute<typename PFP::VEC3>& positions,float k);
+void drawerFaces(Utils::Drawer& dr, typename PFP::MAP& map, std::vector<Dart>& vd, const VertexAttribute<typename PFP::VEC3>& positions, float k);
 
 /**
  * add a set of volumes to a drawer
@@ -101,7 +101,7 @@ void drawerFaces(Utils::Drawer& dr, typename PFP::MAP& map, std::vector<Dart>& v
  * @param k shrinking factor
  */
 template<typename PFP>
-void drawerVolumes(Utils::Drawer& dr, typename PFP::MAP& map, std::vector<Dart>& vd, const VertexAttribute<typename PFP::VEC3>& positions,float k);
+void drawerVolumes(Utils::Drawer& dr, typename PFP::MAP& map, std::vector<Dart>& vd, const VertexAttribute<typename PFP::VEC3>& positions, float k);
 
 /**
  * add a vertex to a drawer
@@ -121,7 +121,7 @@ void drawerVertex(Utils::Drawer& dr, typename PFP::MAP& map, Dart d, const Verte
  * @param positions attribute of positions
  */
 template<typename PFP>
-void drawerEdge(Utils::Drawer& dr, typename PFP::MAP& map,  Dart d, const VertexAttribute<typename PFP::VEC3>& positions,float k);
+void drawerEdge(Utils::Drawer& dr, typename PFP::MAP& map,  Dart d, const VertexAttribute<typename PFP::VEC3>& positions, float k);
 
 /**
  * add a face to a drawer
@@ -132,7 +132,7 @@ void drawerEdge(Utils::Drawer& dr, typename PFP::MAP& map,  Dart d, const Vertex
  * @param k shrinking factor
  */
 template<typename PFP>
-void drawerFace(Utils::Drawer& dr, typename PFP::MAP& map, Dart d, const VertexAttribute<typename PFP::VEC3>& positions,float k);
+void drawerFace(Utils::Drawer& dr, typename PFP::MAP& map, Dart d, const VertexAttribute<typename PFP::VEC3>& positions, float k);
 
 /**
  * add a volume to a drawer
@@ -143,7 +143,7 @@ void drawerFace(Utils::Drawer& dr, typename PFP::MAP& map, Dart d, const VertexA
  * @param k shrinking factor
  */
 template<typename PFP>
-void drawerVolume(Utils::Drawer& dr, typename PFP::MAP& map, Dart d, const VertexAttribute<typename PFP::VEC3>& positions,float k);
+void drawerVolume(Utils::Drawer& dr, typename PFP::MAP& map, Dart d, const VertexAttribute<typename PFP::VEC3>& positions, float k);
 
 /**
  * add an edge to a drawer, use between begin / end
@@ -188,13 +188,13 @@ void drawerAddFace(Utils::Drawer& dr, typename PFP::MAP& map, Dart d, const Vert
  * @param k shrinking factor
  */
 template<typename PFP>
-void drawerAddVolume(Utils::Drawer& dr, typename PFP::MAP& map, Dart d, const VertexAttribute<typename PFP::VEC3>& positions,float k);
+void drawerAddVolume(Utils::Drawer& dr, typename PFP::MAP& map, Dart d, const VertexAttribute<typename PFP::VEC3>& positions, float k);
 
-}
+} // namespace Render
 
-}
+} // namespace Algo
 
-}
+} // namespace CGoGN
 
 #include "Algo/Render/GL2/drawerCells.hpp"
 

include/Algo/Render/GL2/mapRender.h

@@ -100,7 +100,7 @@ protected:
 	static bool cmpVP(VertexPoly* lhs, VertexPoly* rhs);
 
 	// multiset typedef for simple writing
-	typedef std::multiset< VertexPoly*,bool(*)(VertexPoly*,VertexPoly*)> VPMS;
+	typedef std::multiset<VertexPoly*, bool(*)(VertexPoly*,VertexPoly*)> VPMS;
 
 	class VertexPoly
 	{
@@ -112,9 +112,9 @@ protected:
 		VertexPoly* next;
 		VPMS::iterator ear;
 
-		VertexPoly(int i, float v, float l, VertexPoly* p=NULL): id(i),value(v), length(l), prev(p), next(NULL)
+		VertexPoly(int i, float v, float l, VertexPoly* p = NULL) : id(i), value(v), length(l), prev(p), next(NULL)
 		{
-			if (prev!=NULL)
+			if (prev != NULL)
 				prev->next = this;
 		}
 
@@ -132,7 +132,6 @@ protected:
 			delete vp;
 			return tmp;
 		}
-
 	};
 
 public:

include/Utils/GLSLShader.h

@@ -288,7 +288,6 @@ public:
 
 	virtual void updateClippingUniforms() {CGoGNerr << "Warning updateClippingUniforms not implemented"<< CGoGNendl;}
 
-
 	/**
 	 *
 	 */
@@ -341,7 +340,6 @@ public:
 	 */
 	void addPathFileSeach(const std::string& path);
 
-
 	/**
 	 * remove VBO index from binding
 	 */
@@ -374,7 +372,7 @@ public:
 	 * bind, enable, and set all vertex attrib pointers
 	 * @param stride: the stride parameter, number osf byte between two consecutive attributes
 	 */
-	void enableVertexAttribs(unsigned int stride=0, unsigned int begin=0) const;
+	void enableVertexAttribs(unsigned int stride = 0, unsigned int begin = 0) const;
 
 	/**
 	 * disenable all vertex attribs
@@ -394,8 +392,6 @@ public:
 	static void pushTransfo() {s_current_matrices->pushTransfo();}
 	/// pop transformation matrix
 	static void popTransfo() {s_current_matrices->popTransfo();}
-
-
 };
 
 

include/Utils/pointSprite.h

@@ -32,6 +32,7 @@ namespace CGoGN { namespace Utils { class VBO; } }
 
 namespace CGoGN
 {
+
 namespace Utils
 {
 
@@ -63,7 +64,7 @@ public:
 	/**
 	 * init shaders, texture and variables
 	 */
-	PointSprite(float radius=1.0f);
+	PointSprite(float radius = 1.0f);
 
 	/**
 	 * clean shaders, texture and variables
@@ -90,9 +91,10 @@ public:
 	 * set position attribute
 	 */
 	unsigned int setAttributePosition(VBO* vbo);
+};
 
+} // namespace Utils
+
+} // namespace CGoGN
 
-};
-}
-}
 #endif

include/Utils/vbo.h

@@ -92,12 +92,12 @@ public:
 	/**
 	 * get nb element in vbo (vertices, colors ...)
 	 */
-	unsigned int nbElts() {return m_nbElts;}
+	unsigned int nbElts() { return m_nbElts; }
 
 	/**
 	 * bind array vbo
 	 */
-	void bind() const  { glBindBuffer(GL_ARRAY_BUFFER,m_id); }
+	void bind() const  { glBindBuffer(GL_ARRAY_BUFFER, m_id); }
 
 	/**
 	 * alloc buffer of same size than parameter
@@ -116,6 +116,12 @@ public:
 	template <typename ATTR_HANDLER>
 	void updateData(const ATTR_HANDLER& attrib, ConvertAttrib* conv);
 
+	/**
+	 * update data from given data vector
+	 */
+	template <typename T>
+	void updateData(std::vector<T>& data);
+
 	void* lockPtr();
 
 	const void* lockPtr() const;
@@ -124,8 +130,6 @@ public:
 
 	void copyData(void *ptr) const;
 
-
-
 	void allocate(unsigned int nbElts);
 };
 

include/Utils/vbo.hpp

@@ -33,7 +33,7 @@ void VBO::updateData(const ATTR_HANDLER& attrib)
 {
 	if (m_lock)
 	{
-		CGoGNerr <<" Error locked VBO"<< CGoGNendl;
+		CGoGNerr << "Error locked VBO" << CGoGNendl;
 		return;
 	}
 	m_data_size = sizeof(typename ATTR_HANDLER::DATA_TYPE) / sizeof(float);
@@ -62,7 +62,7 @@ void VBO::updateData(const ATTR_HANDLER& attrib, ConvertAttrib* conv)
 {
 	if (m_lock)
 	{
-		CGoGNerr <<" Error locked VBO"<< CGoGNendl;
+		CGoGNerr << "Error locked VBO" << CGoGNendl;
 		return;
 	}
 	m_data_size = conv->sizeElt();
@@ -97,6 +97,21 @@ void VBO::updateData(const ATTR_HANDLER& attrib, ConvertAttrib* conv)
 	conv->release();
 }
 
+template <typename T>
+void VBO::updateData(std::vector<T>& data)
+{
+	if (m_lock)
+	{
+		CGoGNerr << "Error locked VBO" << CGoGNendl;
+		return;
+	}
+	m_data_size = sizeof(T) / sizeof(float);
+	m_nbElts = data.size();
+
+	glBindBuffer(GL_ARRAY_BUFFER, m_id);
+	glBufferData(GL_ARRAY_BUFFER, m_nbElts * sizeof(T), &(data[0]), GL_STREAM_DRAW);
+}
+
 } // namespace Utils
 
 } // namespace CGoGN

include/Utils/vboRender.h

+/*******************************************************************************
+* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
+* version 0.1                                                                  *
+* Copyright (C) 2009-2012, IGG Team, LSIIT, University of Strasbourg           *
+*                                                                              *
+* This library is free software; you can redistribute it and/or modify it      *
+* under the terms of the GNU Lesser General Public License as published by the *
+* Free Software Foundation; either version 2.1 of the License, or (at your     *
+* option) any later version.                                                   *
+*                                                                              *
+* This library is distributed in the hope that it will be useful, but WITHOUT  *
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or        *
+* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License  *
+* for more details.                                                            *
+*                                                                              *
+* You should have received a copy of the GNU Lesser General Public License     *
+* along with this library; if not, write to the Free Software Foundation,      *
+* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
+*                                                                              *
+* Web site: http://cgogn.unistra.fr/                                           *
+* Contact information: cgogn@unistra.fr                                        *
+*                                                                              *
+*******************************************************************************/
+
+#ifndef _VBO_RENDER_
+#define _VBO_RENDER_
+
+#include <GL/glew.h>
+
+namespace CGoGN
+{
+
+namespace Utils
+{
+
+// forward definition
+class GLSLShader;
+
+class VBORender
+{
+protected:
+	GLuint m_indexBuffer ;
+	GLuint m_nbIndices ;
+	int m_primitiveType ;
+
+public:
+	enum primitiveTypes
+	{
+		POINTS = 0,
+		LINES = 1,
+		TRIANGLES = 2
+	} ;
+
+	VBORender() ;
+
+	~VBORender() ;
+
+	void setConnectivity(std::vector<GLuint>& tableIndices, int primitiveType) ;
+
+	void draw(Utils::GLSLShader* sh) ;
+};
+
+} // namespace Utils
+
+} // namespace CGoGN
+
+#endif

src/Algo/Render/mapRender.cpp

@@ -53,33 +53,38 @@ void MapRender::initPrimitives(int prim, std::vector<GLuint>& tableIndices)
 {
 	// indice du VBO a utiliser
 	int vbo_ind = 0;
+	int size = 0;
+
 	switch(prim)
 	{
 		case POINTS:
 			m_nbIndices[POINT_INDICES] = tableIndices.size();
 			vbo_ind = m_indexBuffers[POINT_INDICES];
+			size = m_nbIndices[POINT_INDICES];
 			break;
 		case LINES:
 			m_nbIndices[LINE_INDICES] = tableIndices.size();
 			vbo_ind = m_indexBuffers[LINE_INDICES];
+			size = m_nbIndices[LINE_INDICES];
 			break;
 		case TRIANGLES:
 			m_nbIndices[TRIANGLE_INDICES] = tableIndices.size();
 			vbo_ind = m_indexBuffers[TRIANGLE_INDICES];
+			size = m_nbIndices[TRIANGLE_INDICES];
 			break;
 		case BOUNDARY:
 			m_nbIndices[BOUNDARY_INDICES] = tableIndices.size();
 			vbo_ind = m_indexBuffers[BOUNDARY_INDICES];
+			size = m_nbIndices[BOUNDARY_INDICES];
 			break;
 		default:
 			CGoGNerr << "problem initializing VBO indices" << CGoGNendl;
 			break;
 	}
-	int size = tableIndices.size();
 
 	// setup du buffer d'indices
 	glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, vbo_ind);
-	glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER, size*sizeof(GLuint), &(tableIndices[0]), GL_STREAM_DRAW);
+	glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER, size * sizeof(GLuint), &(tableIndices[0]), GL_STREAM_DRAW);
 }
 
 void MapRender::draw(Utils::GLSLShader* sh, int prim)
@@ -112,10 +117,10 @@ void MapRender::draw(Utils::GLSLShader* sh, int prim)
 	sh->disableVertexAttribs();
 }
 
-
 unsigned int MapRender::drawSub(Utils::GLSLShader* sh, int prim, unsigned int nb_elm)
 {
 	sh->enableVertexAttribs();
+
 	switch(prim)
 	{
 		case POINTS:
@@ -145,7 +150,6 @@ unsigned int MapRender::drawSub(Utils::GLSLShader* sh, int prim, unsigned int nb
 	return nb_elm;
 }
 
-
 } // namespace GL2
 
 } // namespace Render

src/Utils/GLSLShader.cpp

@@ -885,7 +885,7 @@ bool GLSLShader::checkShader(int shaderType)
 		id = m_geom_shader_object;
 		break;
 	default:
-		CGoGNerr << "Error unkown shader type"<< CGoGNendl;
+		CGoGNerr << "Error unkown shader type" << CGoGNendl;
 		return false;
 		break;
 	}
@@ -946,12 +946,12 @@ void GLSLShader::unbindVA(const std::string& name)
 	//valid ?
 	if (idVA < 0)
 	{
-		CGoGNerr << "GLSLShader: Attribute "<<name<< " does not exist in shader, not unbinded"<< CGoGNendl;
+		CGoGNerr << "GLSLShader: Attribute " << name << " does not exist in shader, not unbinded" << CGoGNendl;
 		return;
 	}
 	// search if name already exist
 	unsigned int nb = m_va_vbo_binding.size();
-	for (unsigned int i =0; i<nb; ++i)
+	for (unsigned int i = 0; i < nb; ++i)
 	{
 		if (m_va_vbo_binding[i].va_id == idVA)
 		{
@@ -1000,7 +1000,7 @@ void GLSLShader::updateMatrices(const glm::mat4& projection, const glm::mat4& mo
 void GLSLShader::enableVertexAttribs(unsigned int stride, unsigned int begin) const
 {
 	this->bind();
-	for (std::vector<Utils::GLSLShader::VAStr>::const_iterator it= m_va_vbo_binding.begin(); it != m_va_vbo_binding.end(); ++it)
+	for (std::vector<Utils::GLSLShader::VAStr>::const_iterator it = m_va_vbo_binding.begin(); it != m_va_vbo_binding.end(); ++it)
 	{
 		glBindBuffer(GL_ARRAY_BUFFER, it->vbo_ptr->id());
 		glEnableVertexAttribArray(it->va_id);
@@ -1011,7 +1011,7 @@ void GLSLShader::enableVertexAttribs(unsigned int stride, unsigned int begin) co
 void GLSLShader::disableVertexAttribs() const
 {
 	this->bind();
-	for (std::vector<Utils::GLSLShader::VAStr>::const_iterator it= m_va_vbo_binding.begin(); it != m_va_vbo_binding.end(); ++it)
+	for (std::vector<Utils::GLSLShader::VAStr>::const_iterator it = m_va_vbo_binding.begin(); it != m_va_vbo_binding.end(); ++it)
 		glDisableVertexAttribArray(it->va_id);
 	this->unbind();
 }
@@ -1021,8 +1021,8 @@ void GLSLShader::updateCurrentMatrices()
 	glm::mat4 model(currentModelView());
 	model *= currentTransfo();
 
-	for(std::set< std::pair<void*, GLSLShader*> >::iterator it = m_registeredShaders.begin();it != m_registeredShaders.end();++it)
-			it->second->updateMatrices(currentProjection(), model);
+	for(std::set< std::pair<void*, GLSLShader*> >::iterator it = m_registeredShaders.begin(); it != m_registeredShaders.end(); ++it)
+		it->second->updateMatrices(currentProjection(), model);
 }
 
 } // namespace Utils

src/Utils/vbo.cpp

@@ -65,8 +65,6 @@ VBO::~VBO()
 	glDeleteBuffers(1, &m_id);
 }
 
-
-
 void VBO::sameAllocSameBufferSize(const VBO& vbo)
 {
 	m_data_size = vbo.m_data_size;
@@ -80,7 +78,7 @@ void* VBO::lockPtr()
 {
 	if (m_lock)
 	{
-		CGoGNerr <<" Error already locked VBO"<< CGoGNendl;
+		CGoGNerr << "Error already locked VBO" << CGoGNendl;
 		return NULL;
 	}
 
@@ -93,7 +91,7 @@ const void* VBO::lockPtr() const
 {
 	if (m_lock)
 	{
-		CGoGNerr <<" Error already locked VBO"<< CGoGNendl;
+		CGoGNerr << "Error already locked VBO" << CGoGNendl;
 		return NULL;
 	}
 
@@ -112,17 +110,16 @@ void VBO::releasePtr() const
 void VBO::copyData(void *ptr) const
 {
 	glBindBuffer(GL_ARRAY_BUFFER, m_id);
-	glGetBufferSubData(GL_ARRAY_BUFFER,0,m_nbElts*m_data_size*sizeof(float), ptr);
+	glGetBufferSubData(GL_ARRAY_BUFFER, 0, m_nbElts * m_data_size * sizeof(float), ptr);
 }
 
 void VBO::allocate(unsigned int nbElts)
 {
 	m_nbElts = nbElts;
 	glBindBuffer(GL_ARRAY_BUFFER, m_id);
-	glBufferData(GL_ARRAY_BUFFER, nbElts * m_data_size*sizeof(float), 0, GL_STREAM_DRAW);
+	glBufferData(GL_ARRAY_BUFFER, nbElts * m_data_size * sizeof(float), 0, GL_STREAM_DRAW);
 }
 
-
 } // namespace Utils
 
 } // namespace CGoGN

src/Utils/vboRender.cpp

+/*******************************************************************************
+* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
+* version 0.1                                                                  *
+* Copyright (C) 2009-2012, IGG Team, LSIIT, University of Strasbourg           *
+*                                                                              *
+* This library is free software; you can redistribute it and/or modify it      *
+* under the terms of the GNU Lesser General Public License as published by the *
+* Free Software Foundation; either version 2.1 of the License, or (at your     *
+* option) any later version.                                                   *
+*                                                                              *
+* This library is distributed in the hope that it will be useful, but WITHOUT  *
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or        *
+* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License  *
+* for more details.                                                            *
+*                                                                              *
+* You should have received a copy of the GNU Lesser General Public License     *
+* along with this library; if not, write to the Free Software Foundation,      *
+* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
+*                                                                              *
+* Web site: http://cgogn.unistra.fr/                                           *
+* Contact information: cgogn@unistra.fr                                        *
+*                                                                              *
+*******************************************************************************/
+
+#include "vector"
+
+#include "Utils/vboRender.h"
+#include "Utils/GLSLShader.h"
+
+namespace CGoGN
+{
+
+namespace Utils
+{
+
+VBORender::VBORender()
+{
+	glGenBuffersARB(1, &m_indexBuffer) ;
+	m_nbIndices = 0 ;
+	m_primitiveType = POINTS;
+}
+
+VBORender::~VBORender()
+{
+	glDeleteBuffersARB(1, &m_indexBuffer) ;
+}
+
+void VBORender::setConnectivity(std::vector<GLuint>& tableIndices, int primitiveType)
+{
+	m_primitiveType = primitiveType ;
+	m_nbIndices = tableIndices.size() ;
+	glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, m_indexBuffer) ;
+	glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER, m_nbIndices * sizeof(GLuint), &(tableIndices[0]), GL_STREAM_DRAW) ;
+}
+
+void VBORender::draw(Utils::GLSLShader* sh)
+{
+	sh->enableVertexAttribs() ;
+
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexBuffer) ;
+	switch(m_primitiveType)
+	{
+		case POINTS:
+			glDrawElements(GL_POINTS, m_nbIndices, GL_UNSIGNED_INT, 0) ;
+			break;
+		case LINES:
+			glDrawElements(GL_LINES, m_nbIndices, GL_UNSIGNED_INT, 0);
+			break;
+		case TRIANGLES:
+			glDrawElements(GL_TRIANGLES, m_nbIndices, GL_UNSIGNED_INT, 0);
+			break;
+		default:
+			break;
+	}
+
+	sh->disableVertexAttribs() ;
+}
+
+} // namespace Utils
+
+} // namespace CGoGN