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Modifications to JoglOffscreenBuffer to remedy some problems
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.jme3.input.JoyInput;
import com.jme3.input.KeyInput;
import com.jme3.input.MouseInput;
import com.jme3.input.TouchInput;
import com.jme3.input.dummy.DummyKeyInput;
import com.jme3.input.dummy.DummyMouseInput;
import com.jme3.system.AppSettings;
import com.jme3.system.jogl.JoglContext;
import com.jogamp.opengl.GLCapabilities;
import com.jogamp.opengl.GLContext;
import com.jogamp.opengl.GLDrawableFactory;
import com.jogamp.opengl.GLOffscreenAutoDrawable;
import com.jogamp.opengl.GLProfile;
import com.jogamp.opengl.JoglVersion;
public class CustomJoglOffscreenBuffer extends JoglContext implements Runnable {
private static final Logger logger = Logger.getLogger(CustomJoglOffscreenBuffer.class.getName());
private GLOffscreenAutoDrawable offscreenDrawable;
protected AtomicBoolean needClose = new AtomicBoolean(false);
private GLCapabilities caps;
protected void initInThread() {
int samples = getNumSamplesToUse();
caps = new GLCapabilities(GLProfile.getMaxFixedFunc(true));
caps.setHardwareAccelerated(true);
caps.setDoubleBuffered(true);
caps.setStencilBits(settings.getStencilBits());
caps.setDepthBits(settings.getDepthBits());
caps.setOnscreen(false);
caps.setSampleBuffers(true);
caps.setNumSamples(samples);
offscreenDrawable = GLDrawableFactory.getFactory(GLProfile.getMaxFixedFunc(true)).createOffscreenAutoDrawable(
null, caps, null, settings.getWidth(), settings.getHeight());
offscreenDrawable.display();
GLContext context = offscreenDrawable.getContext();
context.makeCurrent();
System.out.println("OpenGL version is " + GLContext.getCurrent().getGLVersionNumber().toString());
// GL gl = GLContext.getCurrentGL();
// if (!gl.hasFullFBOSupport()) {
// logger.severe("Offscreen surfaces are not supported.");
// return;
// }
renderable.set(true);
logger.fine("Offscreen buffer created.");
settings.setRenderer(AppSettings.JOGL_OPENGL_BACKWARD_COMPATIBLE);
super.internalCreate();
listener.initialize();
}
protected boolean checkGLError() {
// FIXME
// NOTE: Always return true since this is used in an "assert" statement
return true;
}
protected void runLoop() {
if (!created.get()) {
throw new IllegalStateException();
}
listener.update();
checkGLError();
renderer.postFrame();
int frameRate = settings.getFrameRate();
if (frameRate >= 1) {
// FIXME
}
}
protected void deinitInThread() {
renderable.set(false);
listener.destroy();
renderer.cleanup();
offscreenDrawable.getNativeSurface().unlockSurface();
offscreenDrawable.destroy();
logger.fine("Offscreen buffer destroyed.");
super.internalDestroy();
}
@Override
public void run() {
logger.log(Level.FINE, "Using JOGL {0}", JoglVersion.getInstance().getImplementationVersion());
initInThread();
while (!needClose.get()) {
runLoop();
}
deinitInThread();
}
@Override
public void destroy(boolean waitFor) {
needClose.set(true);
if (waitFor) {
waitFor(false);
}
}
@Override
public void create(boolean waitFor) {
if (created.get()) {
logger.warning("create() called when pbuffer is already created!");
return;
}
new Thread(this, THREAD_NAME).start();
if (waitFor) {
waitFor(true);
}
}
@Override
public void restart() {
}
@Override
public void setAutoFlushFrames(boolean enabled) {
}
@Override
public Type getType() {
return Type.OffscreenSurface;
}
@Override
public MouseInput getMouseInput() {
return new DummyMouseInput();
}
@Override
public KeyInput getKeyInput() {
return new DummyKeyInput();
}
@Override
public JoyInput getJoyInput() {
return null;
}
@Override
public TouchInput getTouchInput() {
return null;
}
@Override
public void setTitle(String title) {
}
}
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