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-rw-r--r--src/jogl/classes/jogamp/opengl/ThreadingImpl.java63
-rw-r--r--src/jogl/classes/jogamp/opengl/awt/AWTThreadingPlugin.java10
2 files changed, 36 insertions, 37 deletions
diff --git a/src/jogl/classes/jogamp/opengl/ThreadingImpl.java b/src/jogl/classes/jogamp/opengl/ThreadingImpl.java
index 07d5c3402..0ba86870d 100644
--- a/src/jogl/classes/jogamp/opengl/ThreadingImpl.java
+++ b/src/jogl/classes/jogamp/opengl/ThreadingImpl.java
@@ -47,13 +47,20 @@ import javax.media.opengl.GLProfile;
/** Implementation of the {@link javax.media.opengl.Threading} class. */
public class ThreadingImpl {
- public static final int AWT = 1;
- public static final int WORKER = 2;
+ public enum Mode {
+ MT(0), ST_AWT(1), ST_WORKER(2);
+
+ public final int id;
+
+ Mode(int id){
+ this.id = id;
+ }
+ }
protected static final boolean DEBUG = Debug.debug("Threading");
private static boolean singleThreaded = true;
- private static int mode;
+ private static Mode mode = Mode.MT;
private static boolean hasAWT;
// We need to know whether we're running on X11 platforms to change
// our behavior when the Java2D/JOGL bridge is active
@@ -65,7 +72,11 @@ public class ThreadingImpl {
threadingPlugin =
AccessController.doPrivileged(new PrivilegedAction<ThreadingPlugin>() {
public ThreadingPlugin run() {
- String workaround = Debug.getProperty("jogl.1thread", true);
+ final String workaround;
+ {
+ final String w = Debug.getProperty("jogl.1thread", true);
+ workaround = null != w ? w.toLowerCase() : null;
+ }
ClassLoader cl = ThreadingImpl.class.getClassLoader();
// Default to using the AWT thread on all platforms except
// Windows. On OS X there is instability apparently due to
@@ -80,50 +91,48 @@ public class ThreadingImpl {
String osType = NativeWindowFactory.getNativeWindowType(false);
_isX11 = NativeWindowFactory.TYPE_X11.equals(osType);
- int defaultMode = ( hasAWT ? AWT : WORKER );
-
- mode = defaultMode;
+ mode = ( hasAWT ? Mode.ST_AWT : Mode.ST_WORKER ); // default
+
if (workaround != null) {
- workaround = workaround.toLowerCase();
if (workaround.equals("true") ||
workaround.equals("auto")) {
// Nothing to do; singleThreaded and mode already set up
} else if (workaround.equals("worker")) {
singleThreaded = true;
- mode = WORKER;
+ mode = Mode.ST_WORKER;
} else if (hasAWT && workaround.equals("awt")) {
singleThreaded = true;
- mode = AWT;
+ mode = Mode.ST_AWT;
} else {
singleThreaded = false;
+ mode = Mode.MT;
}
}
- printWorkaroundNotice();
-
+
ThreadingPlugin threadingPlugin=null;
- if(hasAWT) {
+ if(Mode.ST_AWT == mode) {
// try to fetch the AWTThreadingPlugin
Exception error=null;
try {
threadingPlugin = (ThreadingPlugin) ReflectionUtil.createInstance("jogamp.opengl.awt.AWTThreadingPlugin", cl);
} catch (JogampRuntimeException jre) { error = jre; }
- if(AWT == mode && null==threadingPlugin) {
+ if(null==threadingPlugin) {
throw new GLException("Mode is AWT, but class 'jogamp.opengl.awt.AWTThreadingPlugin' is not available", error);
}
}
+ if(DEBUG) {
+ System.err.println("Threading: jogl.1thread "+workaround+", singleThreaded "+singleThreaded+", hasAWT "+hasAWT+", mode "+mode+", plugin "+threadingPlugin);
+ }
return threadingPlugin;
}
});
- if(DEBUG) {
- System.err.println("Threading: hasAWT "+hasAWT+", mode "+((mode==AWT)?"AWT":"WORKER")+", plugin "+threadingPlugin);
- }
}
/** No reason to ever instantiate this class */
private ThreadingImpl() {}
public static boolean isX11() { return _isX11; }
- public static int getMode() { return mode; }
+ public static Mode getMode() { return mode; }
/** If an implementation of the javax.media.opengl APIs offers a
multithreading option but the default behavior is single-threading,
@@ -165,9 +174,9 @@ public class ThreadingImpl {
}
switch (mode) {
- case AWT:
+ case ST_AWT:
throw new InternalError();
- case WORKER:
+ case ST_WORKER:
return GLWorkerThread.isWorkerThread();
default:
throw new InternalError("Illegal single-threading mode " + mode);
@@ -198,10 +207,10 @@ public class ThreadingImpl {
}
switch (mode) {
- case AWT:
+ case ST_AWT:
throw new InternalError();
- case WORKER:
+ case ST_WORKER:
GLWorkerThread.start(); // singleton start via volatile-dbl-checked-locking
try {
GLWorkerThread.invokeAndWait(r);
@@ -220,14 +229,6 @@ public class ThreadingImpl {
/** This is a workaround for AWT-related deadlocks which only seem
to show up in the context of applets */
public static boolean isAWTMode() {
- return (mode == AWT);
- }
-
- private static void printWorkaroundNotice() {
- if (singleThreaded && Debug.verbose()) {
- System.err.println("Using " +
- (mode == AWT ? "AWT" : "OpenGL worker") +
- " thread for performing OpenGL work in javax.media.opengl implementation");
- }
+ return (mode == Mode.ST_AWT);
}
}
diff --git a/src/jogl/classes/jogamp/opengl/awt/AWTThreadingPlugin.java b/src/jogl/classes/jogamp/opengl/awt/AWTThreadingPlugin.java
index dd493f5ee..901146fc4 100644
--- a/src/jogl/classes/jogamp/opengl/awt/AWTThreadingPlugin.java
+++ b/src/jogl/classes/jogamp/opengl/awt/AWTThreadingPlugin.java
@@ -42,8 +42,6 @@ package jogamp.opengl.awt;
import javax.media.opengl.*;
-import java.awt.event.*;
-
import java.awt.EventQueue;
import java.lang.reflect.InvocationTargetException;
@@ -55,14 +53,14 @@ public class AWTThreadingPlugin implements ThreadingPlugin {
public boolean isOpenGLThread() throws GLException {
switch (ThreadingImpl.getMode()) {
- case ThreadingImpl.AWT:
+ case ST_AWT:
// FIXME: See the FIXME below in 'invokeOnOpenGLThread'
if (Java2D.isOGLPipelineActive() && !ThreadingImpl.isX11()) {
return Java2D.isQueueFlusherThread();
} else {
return EventQueue.isDispatchThread();
}
- case ThreadingImpl.WORKER:
+ case ST_WORKER:
if (Java2D.isOGLPipelineActive()) {
// FIXME: ideally only the QFT would be considered to be the
// "OpenGL thread", but we can not currently run all of
@@ -80,7 +78,7 @@ public class AWTThreadingPlugin implements ThreadingPlugin {
public void invokeOnOpenGLThread(Runnable r) throws GLException {
switch (ThreadingImpl.getMode()) {
- case ThreadingImpl.AWT:
+ case ST_AWT:
// FIXME: ideally should run all OpenGL work on the Java2D QFT
// thread when it's enabled, but unfortunately there are
// deadlock issues on X11 platforms when making our
@@ -102,7 +100,7 @@ public class AWTThreadingPlugin implements ThreadingPlugin {
}
break;
- case ThreadingImpl.WORKER:
+ case ST_WORKER:
GLWorkerThread.start(); // singleton start via volatile-dbl-checked-locking
try {
GLWorkerThread.invokeAndWait(r);