static void initializeGlfw() {
if (errorCallback == null) {
Lwjgl3NativesLoader.load();
errorCallback = GLFWErrorCallback.createPrint(System.err);
GLFW.glfwSetErrorCallback(errorCallback);
if (GLFW.glfwInit() != GLFW.GLFW_TRUE) {
throw new GdxRuntimeException("Unable to initialize GLFW");
}
}
}
private void cleanup() {
for (Lwjgl3Window window : windows) {
window.dispose();
}
if (audio instanceof OpenALAudio) {
((OpenALAudio) audio).dispose();
}
errorCallback.release();
GLFW.glfwTerminate();
}
/** Main Loop for GLFW. This call will block <br> */
public void start() {
mainThread = Thread.currentThread();
windowThread.start();
running = true;
while (running) {
executeMainRunnables();
for (int i = 0; i < queueWindows.size; ) {
final Lwjgl3Application app = queueWindows.removeIndex(i);
i--;
Runnable run =
new Runnable() {
@Override
public void run() {
glfwMakeContextCurrent(0);
jumpLoop = true;
}
};
postWindowRunnableAndWait(run);
initWindow(app);
glfwShowWindow(app.graphics.window);
Runnable run2 =
new Runnable() {
@Override
public void run() {
initContext(app);
windows.add(app);
tmpfirst = true;
}
};
postWindowRunnable(run2);
jumpLoop = false;
break;
}
if (tmpfirst && windows.size == 0) {
running = false;
}
glfwWaitEvents();
}
try {
windowThread.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
glfwTerminate();
if (errorCallback != null) errorCallback.release();
}
public void run() {
System.out.println("Hello LWJGL " + Sys.getVersion() + "!");
try {
init();
loop();
// Release window and window callbacks
glfwDestroyWindow(window);
keyCallback.release();
} finally {
// Terminate GLFW and release the GLFWerrorfun
glfwTerminate();
errorCallback.release();
}
}
private void init() {
// Setup an error callback. The default implementation
// will print the error message in System.err.
glfwSetErrorCallback(errorCallback = GLFWErrorCallback.createPrint(System.err));
// Initialize GLFW. Most GLFW functions will not work before doing this.
if (glfwInit() != GLFW_TRUE) throw new IllegalStateException("Unable to initialize GLFW");
// Configure our window
glfwDefaultWindowHints(); // optional, the current window hints are already the default
glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE); // the window will stay hidden after creation
glfwWindowHint(GLFW_RESIZABLE, GLFW_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, GLFW_TRUE); // We will detect this in our rendering loop
}
});
// Get the resolution of the primary monitor
GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
// Center our window
glfwSetWindowPos(window, (vidmode.width() - WIDTH) / 2, (vidmode.height() - HEIGHT) / 2);
// Make the OpenGL context current
glfwMakeContextCurrent(window);
// Enable v-sync
glfwSwapInterval(1);
// Make the window visible
glfwShowWindow(window);
}
public void init() {
// Setup an error callback. The default implementation
// will print the error message in System.err.
glfwSetErrorCallback(errorCallback = GLFWErrorCallback.createPrint(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");
}
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
// Create the window
windowHandle = glfwCreateWindow(width, height, title, NULL, NULL);
if (windowHandle == NULL) {
throw new RuntimeException("Failed to create the GLFW window");
}
// Setup resize callback
glfwSetWindowSizeCallback(
windowHandle,
windowSizeCallback =
new GLFWWindowSizeCallback() {
@Override
public void invoke(long window, int width, int height) {
Window.this.width = width;
Window.this.height = height;
Window.this.setResized(true);
}
});
// Setup a key callback. It will be called every time a key is pressed, repeated or released.
glfwSetKeyCallback(
windowHandle,
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);
}
}
});
// Get the resolution of the primary monitor
GLFWVidMode vidmode = glfwGetVideoMode(glfwGetPrimaryMonitor());
// Center our window
glfwSetWindowPos(windowHandle, (vidmode.width() - width) / 2, (vidmode.height() - height) / 2);
// Make the OpenGL context current
glfwMakeContextCurrent(windowHandle);
// Enable v-sync
glfwSwapInterval(1);
// Make the window visible
glfwShowWindow(windowHandle);
GL.createCapabilities();
// Set the clear color
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glEnable(GL_DEPTH_TEST);
}