3 files changed, 3 insertions, 11 deletions
diff --git a/src/jogl/classes/jogamp/opengl/GLContextImpl.java b/src/jogl/classes/jogamp/opengl/GLContextImpl.java
index 51201b3a9..ff1b65520 100644
--- a/src/jogl/classes/jogamp/opengl/GLContextImpl.java
+++ b/src/jogl/classes/jogamp/opengl/GLContextImpl.java
@@ -164,7 +164,7 @@ public abstract class GLContextImpl extends GLContext {
     if(null!=read && drawable!=read && !isGLReadDrawableAvailable()) {
         throw new GLException("GL Read Drawable not available");
     }
-    boolean lockHeld = lock.isOwner();
+    final boolean lockHeld = lock.isOwner(Thread.currentThread());
     if(lockHeld) {
         release();
     }
@@ -224,8 +224,8 @@ public abstract class GLContextImpl extends GLContext {
     if(TRACE_SWITCH) {
         System.err.println(getThreadName() +": GLContext.ContextSwitch: - release() - force: "+force+", "+lock);
     }
-    if ( !lock.isOwner() ) {
-      throw new GLException("Context not current on current thread "+Thread.currentThread().getName()+": "+this);
+    if ( !lock.isOwner(Thread.currentThread()) ) {
+        throw new GLException("Context not current on current thread "+Thread.currentThread().getName()+": "+this);
     }
     final boolean actualRelease = force || lock.getHoldCount() == 1 ;
     try {        
diff --git a/src/jogl/classes/jogamp/opengl/GLDrawableImpl.java b/src/jogl/classes/jogamp/opengl/GLDrawableImpl.java
index 36f17e5a1..71624789d 100644
--- a/src/jogl/classes/jogamp/opengl/GLDrawableImpl.java
+++ b/src/jogl/classes/jogamp/opengl/GLDrawableImpl.java
@@ -199,10 +199,6 @@ public abstract class GLDrawableImpl implements GLDrawable {
     surface.unlockSurface();
   }
 
-  public boolean isSurfaceLocked() {
-    return surface.isSurfaceLocked();
-  }
-
   public String toString() {
     return getClass().getSimpleName()+"[Realized "+isRealized()+
                 ",\n\tFactory   "+getFactory()+
diff --git a/src/jogl/classes/jogamp/opengl/GLPbufferImpl.java b/src/jogl/classes/jogamp/opengl/GLPbufferImpl.java
index 0f4f7f8e2..9a4cf1f94 100644
--- a/src/jogl/classes/jogamp/opengl/GLPbufferImpl.java
+++ b/src/jogl/classes/jogamp/opengl/GLPbufferImpl.java
@@ -267,10 +267,6 @@ public class GLPbufferImpl implements GLPbuffer {
     recurLock.unlock();
   }
 
-  public boolean isSurfaceLocked() {
-    return recurLock.isLocked();
-  }
-
   public int getFloatingPointMode() {
     if (floatMode == 0) {
       throw new GLException("Pbuffer not initialized, or floating-point support not requested");