public void run() {
if (listener == null)
throw new IllegalStateException(
"SystemListener is not set on context!" + "Must set with JmeContext.setSystemListner().");
logger.log(Level.INFO, "Using LWJGL {0}", Sys.getVersion());
if (!initInThread()) {
logger.log(Level.SEVERE, "Display initialization failed. Cannot continue.");
return;
}
while (true) {
if (renderable.get()) {
if (Display.isCloseRequested()) listener.requestClose(false);
if (wasActive != Display.isActive()) {
if (!wasActive) {
listener.gainFocus();
timer.reset();
wasActive = true;
} else {
listener.loseFocus();
wasActive = false;
}
}
}
runLoop();
if (needClose.get()) break;
}
deinitInThread();
}
public void run() {
loadNatives();
logger.log(Level.FINE, "Using LWJGL {0}", Sys.getVersion());
initInThread();
while (!needClose.get()) {
runLoop();
}
deinitInThread();
}
/**
* Create an OpenGL application with one window. The application behavior is controlled by the
* <code>App</code> object.
*
* @param title The string that is displayed in the title bar of the application window.
* @param multisampling Multisampling is used if true. May not work on all platforms.
* @param application The application object.
*/
public OpenGLApp(String title, App application, boolean multisampling) {
this.title = title;
this.application = application;
this.multisampling = multisampling && System.getProperty("os.name").equals("Mac OS X");
System.out.println(
"LWJGL version "
+ Sys.getVersion()
+ " running on "
+ System.getProperty("os.name")
+ " version "
+ System.getProperty("os.version")
+ ".");
}
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 static void checkOpenGlCaps() {
log("");
log(getVersion());
log("" + new Date());
log(
"OS: "
+ System.getProperty("os.name")
+ " ("
+ System.getProperty("os.arch")
+ ") version "
+ System.getProperty("os.version"));
log("Java: " + System.getProperty("java.version") + ", " + System.getProperty("java.vendor"));
log(
"VM: "
+ System.getProperty("java.vm.name")
+ " ("
+ System.getProperty("java.vm.info")
+ "), "
+ System.getProperty("java.vm.vendor"));
log("LWJGL: " + Sys.getVersion());
log(
"OpenGL: "
+ GL11.glGetString(GL11.GL_RENDERER)
+ " version "
+ GL11.glGetString(GL11.GL_VERSION)
+ ", "
+ GL11.glGetString(GL11.GL_VENDOR));
int var0 = getOpenGlVersion();
String var1 = "" + var0 / 10 + "." + var0 % 10;
log("OpenGL Version: " + var1);
if (!GLContext.getCapabilities().OpenGL12) {
log("OpenGL Mipmap levels: Not available (GL12.GL_TEXTURE_MAX_LEVEL)");
}
if (!GLContext.getCapabilities().GL_NV_fog_distance) {
log("OpenGL Fancy fog: Not available (GL_NV_fog_distance)");
}
if (!GLContext.getCapabilities().GL_ARB_occlusion_query) {
log("OpenGL Occlussion culling: Not available (GL_ARB_occlusion_query)");
}
}
protected void printContextInitInfo() {
logger.log(
Level.INFO,
"Lwjgl {0} context running on thread {1}",
new Object[] {Sys.getVersion(), Thread.currentThread().getName()});
logger.log(Level.INFO, "Adapter: {0}", Display.getAdapter());
logger.log(Level.INFO, "Driver Version: {0}", Display.getVersion());
String vendor = GL11.glGetString(GL11.GL_VENDOR);
logger.log(Level.INFO, "Vendor: {0}", vendor);
String version = GL11.glGetString(GL11.GL_VERSION);
logger.log(Level.INFO, "OpenGL Version: {0}", version);
String renderGl = GL11.glGetString(GL11.GL_RENDERER);
logger.log(Level.INFO, "Renderer: {0}", renderGl);
if (GLContext.getCapabilities().OpenGL20) {
String shadingLang = GL11.glGetString(GL20.GL_SHADING_LANGUAGE_VERSION);
logger.log(Level.INFO, "GLSL Ver: {0}", shadingLang);
}
}
/**
* Gets the LWJGL Version
*
* @return LWJGL Version
*/
public static String getLWJGLVersion() {
return Sys.getVersion();
}
private void init() throws LWJGLException {
// create Window of size 800x600
Display.setDisplayMode(new DisplayMode(1024, 768));
Display.setLocation(
(Display.getDisplayMode().getWidth() - 300) / 2,
(Display.getDisplayMode().getHeight() - 300) / 2);
Display.setTitle("Gears");
try {
Display.create();
} catch (LWJGLException e) {
// This COULD be because of a bug! A delay followed by a new attempt is supposed to fix it.
e.printStackTrace();
try {
Thread.sleep(1000);
} catch (InterruptedException ignored) {
}
Display.create();
}
// setup ogl
FloatBuffer pos = BufferUtils.createFloatBuffer(4).put(new float[] {5.0f, 5.0f, 10.0f, 0.0f});
FloatBuffer red = BufferUtils.createFloatBuffer(4).put(new float[] {0.8f, 0.1f, 0.0f, 1.0f});
FloatBuffer green = BufferUtils.createFloatBuffer(4).put(new float[] {0.0f, 0.8f, 0.2f, 1.0f});
FloatBuffer blue = BufferUtils.createFloatBuffer(4).put(new float[] {0.2f, 0.2f, 1.0f, 1.0f});
pos.flip();
red.flip();
green.flip();
blue.flip();
glLight(GL_LIGHT0, GL_POSITION, pos);
glEnable(GL_CULL_FACE);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_DEPTH_TEST);
/* make the gears */
gear1 = glGenLists(1);
glNewList(gear1, GL_COMPILE);
glMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
gear(1.0f, 4.0f, 1.0f, 20, 0.7f);
glEndList();
gear2 = glGenLists(1);
glNewList(gear2, GL_COMPILE);
glMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green);
gear(0.5f, 2.0f, 2.0f, 10, 0.7f);
glEndList();
gear3 = glGenLists(1);
glNewList(gear3, GL_COMPILE);
glMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue);
gear(1.3f, 2.0f, 0.5f, 10, 0.7f);
glEndList();
glEnable(GL_NORMALIZE);
glMatrixMode(GL_PROJECTION);
System.err.println("LWJGL: " + Sys.getVersion() + " / " + LWJGLUtil.getPlatformName());
System.err.println("GL_VENDOR: " + glGetString(GL_VENDOR));
System.err.println("GL_RENDERER: " + glGetString(GL_RENDERER));
System.err.println("GL_VERSION: " + glGetString(GL_VERSION));
System.err.println();
System.err.println(
"glLoadTransposeMatrixfARB() supported: "
+ GLContext.getCapabilities().GL_ARB_transpose_matrix);
if (!GLContext.getCapabilities().GL_ARB_transpose_matrix) {
// --- not using extensions
glLoadIdentity();
} else {
// --- using extensions
final FloatBuffer identityTranspose =
BufferUtils.createFloatBuffer(16)
.put(new float[] {1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1});
identityTranspose.flip();
glLoadTransposeMatrixARB(identityTranspose);
}
float h = (float) 300 / (float) 300;
glFrustum(-1.0f, 1.0f, -h, h, 5.0f, 60.0f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0.0f, 0.0f, -40.0f);
}
public static void main(String[] args) {
logger.info("Use LWJGL version: {}", Sys.getVersion());
final Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
Composite comp = new Composite(shell, SWT.NONE);
comp.setLayout(new FillLayout());
GLData data = new GLData();
data.doubleBuffer = true;
final GLCanvas canvas = new GLCanvas(comp, SWT.NONE, data);
canvas.setCurrent();
GLContext.createFromCurrent();
// try {
// GLContext.useContext(canvas);
// } catch(LWJGLException e) { e.printStackTrace(); }
canvas.addListener(
SWT.Resize,
new Listener() {
@Override
public void handleEvent(Event event) {
Rectangle bounds = canvas.getBounds();
float fAspect = (float) bounds.width / (float) bounds.height;
canvas.setCurrent();
GLContext.createFromCurrent();
// try {
// GLContext.useContext(canvas);
// } catch(LWJGLException e) { e.printStackTrace(); }
GL11.glViewport(0, 0, bounds.width, bounds.height);
GL11.glMatrixMode(GL11.GL_PROJECTION);
GL11.glLoadIdentity();
// GLU.gluPerspective(45.0f, fAspect, 0.5f, 400.0f);
GL11.glMatrixMode(GL11.GL_MODELVIEW);
GL11.glLoadIdentity();
}
});
GL11.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
GL11.glColor3f(1.0f, 0.0f, 0.0f);
GL11.glHint(GL11.GL_PERSPECTIVE_CORRECTION_HINT, GL11.GL_NICEST);
GL11.glClearDepth(1.0);
GL11.glLineWidth(2);
GL11.glEnable(GL11.GL_DEPTH_TEST);
shell.setText("SWT/LWJGL Example");
shell.setSize(640, 480);
shell.open();
final Runnable run =
new Runnable() {
int rot = 0;
@Override
public void run() {
if (!canvas.isDisposed()) {
canvas.setCurrent();
GLContext.createFromCurrent();
// try {
// GLContext.useContext(canvas);
// } catch(LWJGLException e) { e.printStackTrace(); }
GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
GL11.glClearColor(.3f, .5f, .8f, 1.0f);
GL11.glLoadIdentity();
GL11.glTranslatef(0.0f, 0.0f, -10.0f);
float frot = rot;
GL11.glRotatef(0.15f * rot, 2.0f * frot, 10.0f * frot, 1.0f);
GL11.glRotatef(0.3f * rot, 3.0f * frot, 1.0f * frot, 1.0f);
rot++;
GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
GL11.glColor3f(0.9f, 0.9f, 0.9f);
drawTorus(1, 1.9f + ((float) Math.sin((0.004f * frot))), 15, 15);
canvas.swapBuffers();
display.asyncExec(this);
}
}
};
canvas.addListener(
SWT.Paint,
new Listener() {
@Override
public void handleEvent(Event event) {
run.run();
}
});
display.asyncExec(run);
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
