#include <GL/glut.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>

#define WINDSIZEX 100
#define WINDSIZEY 100

void DrawPrim()
{
   long i;

   glColor3f(0.0, 1.0, 0.0);

   glBegin(GL_POINTS);
   glVertex2i(16, 50);
   glVertex2i(17, 50);
   glVertex2i(16, 51);
   glVertex2i(17, 51);
   glEnd();
}


void CreateList(long whichList, GLuint listNum, GLenum mode)
{
   switch (whichList) {
      case 1:
	 glNewList(listNum, mode);
            DrawPrim();
	    glCallList(listNum+1);
	 glEndList();
	 break;

      case 2:
	 glNewList(listNum, mode);
	    DrawPrim();
	 glEndList();
	 break;
   }
}

GLuint firstList;

void init(void)
{

   glClearColor(0.0, 0.0, 0.0, 0.0);

   firstList = glGenLists(2);
   CreateList(2, firstList+1, GL_COMPILE);
}

static void test(void)
{    
   glClear(GL_COLOR_BUFFER_BIT);
   CreateList(1, firstList, GL_COMPILE_AND_EXECUTE);
}

void display(void)
{
   glViewport(0, 0, WINDSIZEX, WINDSIZEY);
   glMatrixMode(GL_PROJECTION);
   glLoadIdentity();
   gluOrtho2D(0, WINDSIZEX, 0, WINDSIZEY);
   glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();

   test();
}

int main(int argc, char** argv)
{
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
   glutInitWindowSize(WINDSIZEX, WINDSIZEY);
   glutInitWindowPosition(100, 100);
   glutCreateWindow(argv[0]);
   init();
   glutDisplayFunc(display);
   glutMainLoop();
   return 0; 
}