void initContext(Lwjgl3Application app) {
    if (app.init == false) {

      glfwMakeContextCurrent(app.graphics.window);
      app.context = GLContext.createFromCurrent();
      app.graphics.initGL();
      app.graphics.show();
      app.init = true;
    }
  }
Beispiel #2
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  private void init() {
    // Setup an error callback. The default implementation
    // will print the error message in System.err.
    glfwSetErrorCallback(errorCallback = errorCallbackPrint(System.err));

    // Initialize GLFW. Most GLFW functions will not work before doing this.
    if (glfwInit() != GL11.GL_TRUE) throw new IllegalStateException("Unable to initialize GLFW");

    // Configure our window
    glfwDefaultWindowHints(); // optional, the current window hints are already the default
    glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // the window will stay hidden after creation
    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // the window will be resizable

    int WIDTH = 300;
    int HEIGHT = 300;

    // Create the window
    window = glfwCreateWindow(WIDTH, HEIGHT, "Hello World!", NULL, NULL);
    if (window == NULL) throw new RuntimeException("Failed to create the GLFW window");

    // Setup a key callback. It will be called every time a key is pressed, repeated or released.
    glfwSetKeyCallback(
        window,
        keyCallback =
            new GLFWKeyCallback() {
              @Override
              public void invoke(long window, int key, int scancode, int action, int mods) {
                if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE)
                  glfwSetWindowShouldClose(
                      window, GL_TRUE); // We will detect this in our rendering loop
              }
            });

    // Get the resolution of the primary monitor
    ByteBuffer vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
    // Center our window
    glfwSetWindowPos(
        window,
        (GLFWvidmode.width(vidmode) - WIDTH) / 2,
        (GLFWvidmode.height(vidmode) - HEIGHT) / 2);

    // Make the OpenGL context current
    glfwMakeContextCurrent(window);
    // Enable v-sync
    glfwSwapInterval(1);

    // Make the window visible
    glfwShowWindow(window);
  }