// envoi de l'id sur le stencil
	glPushAttrib(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); {
		glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); //desactive modif couleur
		glEnable(GL_STENCIL_TEST);
		glDepthMask(GL_FALSE);
		glStencilFunc(GL_ALWAYS, id_, 0xFF);
		glStencilOp(GL_KEEP,	//stencil fail
			GL_KEEP,			//stencil pass, depth fail
			GL_REPLACE);		//stencil pass, depth pass
		glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
		glScalef(1.02, 1.02, 1.02);
		liste_->dessiner();