public void create() throws LWJGLException {
super.create();
ShaderProgram shader = new ShaderProgram(VERT_SHADER, FRAG_SHADER, SpriteBatch.ATTRIBUTES);
//setup our custom uniforms
shader.use();
shader.setUniformi(TEX_ALT, 1);
shader.setUniformi(TEX_MASK, 2);
System.out.println(VERT_SHADER);