private static final String VERTEX_SHADER_LOCATION = "res/shaders/pixel_phong_lighting.vs";
private static final String FRAGMENT_SHADER_LOCATION = "res/shaders/pixel_phong_lighting.fs";
public static void main(String[] args) {
try {
Display.setDisplayMode(new DisplayMode(640, 480));
Display.setVSyncEnabled(true);
Display.setTitle("Shader Demo");
Display.create();
} catch (LWJGLException e) {
System.err.println("The display wasn't initialized correctly. :(");