title: GlutSolidSphere not solid
body: <p>Hi my program is supposed to display a solid red colored sphere in the center of the screen, all i am getting is the boundary of the sphere :</p>
  
  <pre><code>int main(int argc, char **argv) {
    glutInit(&amp;argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE|GLUT_RGBA);
    glutInitWindowSize(800,600); 
    glutInitWindowPosition(0,0);
    glutCreateWindow("Sphere");
  
    glutDisplayFunc(renderScene);
    glutReshapeFunc(changeSize);
    glutMainLoop();
  
    return 0;
  }
  
  
  void renderScene() {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glColor3f(1.0f,0.0f,0.0f);
  
    glutSolidSphere(2.5, 50, 40);
  
    glutSwapBuffers();
  }
  </code></pre>