private void initGL() {
		log.info("Initializing OpenGL");
		GL11.glEnable(GL11.GL_TEXTURE_2D);
		GL11.glDisable(GL11.GL_DEPTH_TEST);
		GL11.glMatrixMode(GL11.GL_PROJECTION);
		GL11.glLoadIdentity();
		GL11.glOrtho(0, x_res, y_res, 0, 1, -1);
		GL11.glMatrixMode(GL11.GL_MODELVIEW);
	}