private void checkGLError(String s) {
int i = GL11.glGetError();
if (i != 0) {
String s1 = GLU.gluErrorString(i);
System.out.println("########## GL ERROR ##########");
System.out.println((new StringBuilder()).append("@ ").append(s).toString());
System.out.println((new StringBuilder()).append(i).append(": ").append(s1).toString());
}
}
