Bug 816: Fix OSX CALayer 'quirks' for AWT 1.7.0_40 - See JAWTUtil JAWT_OSX_CALAYER_QUIRK_SIZE and JAWT_OSX_CALAYER_QUIRK_POSITION.

- Provide quirk bits for OSX CALayer depending on used JVM/AWT
  and act accordingly.

- TestBug816OSXCALayerPosAWT: Add resize by frame

5 files changed, 205 insertions, 75 deletions

diff --git a/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java b/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java
index 1f5d33746..b663f90b7 100644
--- a/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java
+++ b/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTUtil.java
@@ -68,7 +68,7 @@ public class JAWTUtil {
   public static final VersionNumber JAWT_MacOSXCALayerMinVersion = new VersionNumber(10,6,4);
   
   /** OSX JAWT CALayer required with Java >= 1.7.0 (implies OS X >= 10.7  */
-  public static final VersionNumber JAWT_MacOSXCALayerRequiredForJavaVersion = new VersionNumber(1,7,0);
+  public static final VersionNumber JAWT_MacOSXCALayerRequiredForJavaVersion = Platform.Version17;
   
   // See whether we're running in headless mode
   private static final boolean headlessMode;
@@ -98,18 +98,84 @@ public class JAWTUtil {
    * Returns true if this platform's JAWT implementation supports offscreen layer.
    */
   public static boolean isOffscreenLayerSupported() {
-       return Platform.OS_TYPE == Platform.OSType.MACOS &&
-              Platform.OS_VERSION_NUMBER.compareTo(JAWTUtil.JAWT_MacOSXCALayerMinVersion) >= 0;      
+    return Platform.OS_TYPE == Platform.OSType.MACOS &&
+           Platform.OS_VERSION_NUMBER.compareTo(JAWTUtil.JAWT_MacOSXCALayerMinVersion) >= 0;      
   }
  
   /**
    * Returns true if this platform's JAWT implementation requires using offscreen layer.
    */
   public static boolean isOffscreenLayerRequired() {
-       return Platform.OS_TYPE == Platform.OSType.MACOS &&
-              Platform.JAVA_VERSION_NUMBER.compareTo(JAWT_MacOSXCALayerRequiredForJavaVersion)>=0;
+    return Platform.OS_TYPE == Platform.OSType.MACOS &&
+           Platform.JAVA_VERSION_NUMBER.compareTo(JAWT_MacOSXCALayerRequiredForJavaVersion)>=0;
   }
  
+  /** 
+   * CALayer size needs to be set using the AWT component size.
+   * <p>
+   * As of today, we have to overwrite the CALayer size
+   * w/ the AWT component one since programmatic resize leads to differences.
+   * </p>
+   * <p>
+   * Hence this flag is always enabled. 
+   * </p>
+   * <p> 
+   * Sync w/ NativeWindowProtocols.h
+   * </p> 
+   */
+  public static final int JAWT_OSX_CALAYER_QUIRK_SIZE     = 1 << 0;
+  
+  /** 
+   * CALayer position needs to be set to zero.
+   * <p>
+   * Normally we have to set the root-calayer's position to 0/0
+   * and leave client-calayer's position in it's desired place.
+   * With pre AWT 1.7.0_40, the client-calayer's position has to
+   * be set to zero as well. 
+   * </p>
+   * <p>
+   * Further more a re-layout seems to be required in this case,
+   * i.e. a programmatic forced resize +1 and it's inverted resize -1. 
+   * </p>
+   * <p>
+   * Hence this flag is enabled w/ AWT < 1.7.0_40. 
+   * </p>
+   * <p> 
+   * Sync w/ NativeWindowProtocols.h
+   * </p> 
+   */
+  public static final int JAWT_OSX_CALAYER_QUIRK_POSITION = 1 << 1;
+  
+  /**
+   * Returns bitfield of required JAWT OSX CALayer quirks to mediate AWT impl. bugs.
+   * <p>
+   * Returns zero, if platform is not {@link Platform.OSType#MACOS}
+   * or not supporting CALayer, i.e. OSX < 10.6.4.
+   * </p>
+   * <p>
+   * Otherwise includes
+   * <ul>
+   *    <li>{@link #JAWT_OSX_CALAYER_QUIRK_SIZE} (always)</li>
+   *    <li>{@link #JAWT_OSX_CALAYER_QUIRK_POSITION} if JVM < 1.7.0_40</li>
+   * </ul>
+   * </p>
+   */
+  public static int getOSXCALayerQuirks() {
+    int res = 0;
+    if( Platform.OS_TYPE == Platform.OSType.MACOS && 
+        Platform.OS_VERSION_NUMBER.compareTo(JAWTUtil.JAWT_MacOSXCALayerMinVersion) >= 0 ) {
+        
+        /** Knowing impl. all expose the SIZE bug */
+        res |= JAWT_OSX_CALAYER_QUIRK_SIZE;
+        
+        final int c = Platform.JAVA_VERSION_NUMBER.compareTo(Platform.Version17);
+        if( c < 0 || c == 0 && Platform.JAVA_VERSION_UPDATE < 40 ) {
+            res |= JAWT_OSX_CALAYER_QUIRK_POSITION;
+        }
+    }
+    return res;
+  }
+  
   /**
    * @param useOffscreenLayerIfAvailable
    * @return
diff --git a/src/nativewindow/classes/jogamp/nativewindow/jawt/macosx/MacOSXJAWTWindow.java b/src/nativewindow/classes/jogamp/nativewindow/jawt/macosx/MacOSXJAWTWindow.java
index 080504a5c..666f895f4 100644
--- a/src/nativewindow/classes/jogamp/nativewindow/jawt/macosx/MacOSXJAWTWindow.java
+++ b/src/nativewindow/classes/jogamp/nativewindow/jawt/macosx/MacOSXJAWTWindow.java
@@ -49,6 +49,7 @@ import javax.media.nativewindow.Capabilities;
 import javax.media.nativewindow.NativeWindow;
 import javax.media.nativewindow.NativeWindowException;
 import javax.media.nativewindow.MutableSurface;
+import javax.media.nativewindow.NativeWindowFactory;
 import javax.media.nativewindow.util.Point;
 
 import com.jogamp.nativewindow.awt.JAWTWindow;
@@ -105,16 +106,19 @@ public class MacOSXJAWTWindow extends JAWTWindow implements MutableSurface {
   protected void attachSurfaceLayerImpl(final long layerHandle) {
       OSXUtil.RunOnMainThread(false, new Runnable() {
           public void run() {      
-              OSXUtil.AddCASublayer(rootSurfaceLayer, layerHandle, getWidth(), getHeight());
+              OSXUtil.AddCASublayer(rootSurfaceLayer, layerHandle, getWidth(), getHeight(), JAWTUtil.getOSXCALayerQuirks());
           } } );
   }
   
   @Override
   protected void layoutSurfaceLayerImpl(long layerHandle, int width, int height) {
-      if(DEBUG) {
-        System.err.println("JAWTWindow.layoutSurfaceLayerImpl: "+toHexString(layerHandle) + ", "+width+"x"+height+"; "+this);
+      final int caLayerQuirks = JAWTUtil.getOSXCALayerQuirks();
+      if( 0 != caLayerQuirks ) {
+          if(DEBUG) {
+            System.err.println("JAWTWindow.layoutSurfaceLayerImpl: "+toHexString(layerHandle) + ", "+width+"x"+height+", caLayerQuirks "+caLayerQuirks+"; "+this);
+          }
+          OSXUtil.FixCALayerLayout(rootSurfaceLayer, layerHandle, width, height, caLayerQuirks);
       }
-      OSXUtil.FixCALayerLayout(rootSurfaceLayer, layerHandle, width, height);
   }
   
   @Override
@@ -240,7 +244,7 @@ public class MacOSXJAWTWindow extends JAWTWindow implements MutableSurface {
                 public void run() {
                     String errMsg = null;
                     if(0 == rootSurfaceLayer && 0 != jawtSurfaceLayersHandle) {        
-                        rootSurfaceLayer = OSXUtil.CreateCALayer(bounds.getX(), bounds.getY(), bounds.getWidth(), bounds.getHeight());
+                        rootSurfaceLayer = OSXUtil.CreateCALayer(bounds.getWidth(), bounds.getHeight());
                         if(0 == rootSurfaceLayer) {
                           errMsg = "Could not create root CALayer";                
                         } else {
diff --git a/src/nativewindow/classes/jogamp/nativewindow/macosx/OSXUtil.java b/src/nativewindow/classes/jogamp/nativewindow/macosx/OSXUtil.java
index 1a90c095d..de24a76db 100644
--- a/src/nativewindow/classes/jogamp/nativewindow/macosx/OSXUtil.java
+++ b/src/nativewindow/classes/jogamp/nativewindow/macosx/OSXUtil.java
@@ -141,8 +141,8 @@ public class OSXUtil implements ToolkitProperties {
      * @see #DestroyCALayer(long)
      * @see #AddCASublayer(long, long) 
      */
-    public static long CreateCALayer(final int x, final int y, final int width, final int height) {
-      final long l = CreateCALayer0(x, y, width, height);
+    public static long CreateCALayer(final int width, final int height) {
+      final long l = CreateCALayer0(width, height);
       if(DEBUG) {
           System.err.println("OSXUtil.CreateCALayer: 0x"+Long.toHexString(l)+" - "+Thread.currentThread().getName());
       }
@@ -159,17 +159,18 @@ public class OSXUtil implements ToolkitProperties {
      * Hence it is important that related resources are not locked <i>if</i>
      * they will be used for creation.  
      * </p>
-     * @see #CreateCALayer(int, int, int, int)
+     * @param caLayerQuirks TODO
+     * @see #CreateCALayer(int, int)
      * @see #RemoveCASublayer(long, long, boolean)
      */
-    public static void AddCASublayer(final long rootCALayer, final long subCALayer, final int width, final int height) {
+    public static void AddCASublayer(final long rootCALayer, final long subCALayer, final int width, final int height, final int caLayerQuirks) {
         if(0==rootCALayer || 0==subCALayer) {
             throw new IllegalArgumentException("rootCALayer 0x"+Long.toHexString(rootCALayer)+", subCALayer 0x"+Long.toHexString(subCALayer));
         }
         if(DEBUG) {
-            System.err.println("OSXUtil.AttachCALayer: 0x"+Long.toHexString(subCALayer)+" - "+Thread.currentThread().getName());
+            System.err.println("OSXUtil.AttachCALayer: caLayerQuirks "+caLayerQuirks+", 0x"+Long.toHexString(subCALayer)+" - "+Thread.currentThread().getName());
         }
-        AddCASublayer0(rootCALayer, subCALayer, width, height);
+        AddCASublayer0(rootCALayer, subCALayer, width, height, caLayerQuirks);
     }
     
     /** 
@@ -187,12 +188,13 @@ public class OSXUtil implements ToolkitProperties {
      * @param subCALayer the client surface layer, maybe null.
      * @param width the expected width
      * @param height the expected height
+     * @param caLayerQuirks TODO
      */
-    public static void FixCALayerLayout(final long rootCALayer, final long subCALayer, final int width, final int height) {
+    public static void FixCALayerLayout(final long rootCALayer, final long subCALayer, final int width, final int height, final int caLayerQuirks) {
         if( 0==rootCALayer && 0==subCALayer ) {
             return;
         }
-        FixCALayerLayout0(rootCALayer, subCALayer, width, height);
+        FixCALayerLayout0(rootCALayer, subCALayer, width, height, caLayerQuirks);
     }
     
     /** 
@@ -210,7 +212,7 @@ public class OSXUtil implements ToolkitProperties {
     
     /** 
      * Destroy a CALayer.
-     * @see #CreateCALayer(int, int, int, int)
+     * @see #CreateCALayer(int, int)
      */    
     public static void DestroyCALayer(final long caLayer) {
         if(0==caLayer) {
@@ -354,9 +356,9 @@ public class OSXUtil implements ToolkitProperties {
     private static native void DestroyNSWindow0(long nsWindow);
     private static native long GetNSView0(long nsWindow);
     private static native long GetNSWindow0(long nsView);
-    private static native long CreateCALayer0(int x, int y, int width, int height);
-    private static native void AddCASublayer0(long rootCALayer, long subCALayer, int width, int height);
-    private static native void FixCALayerLayout0(long rootCALayer, long subCALayer, int width, int height);
+    private static native long CreateCALayer0(int width, int height);
+    private static native void AddCASublayer0(long rootCALayer, long subCALayer, int width, int height, int caLayerQuirks);
+    private static native void FixCALayerLayout0(long rootCALayer, long subCALayer, int width, int height, int caLayerQuirks);
     private static native void RemoveCASublayer0(long rootCALayer, long subCALayer);
     private static native void DestroyCALayer0(long caLayer);
     private static native void RunOnMainThread0(Runnable runnable);
diff --git a/src/nativewindow/native/macosx/NativeWindowProtocols.h b/src/nativewindow/native/macosx/NativeWindowProtocols.h
index b91a50dfd..73c8e65c5 100644
--- a/src/nativewindow/native/macosx/NativeWindowProtocols.h
+++ b/src/nativewindow/native/macosx/NativeWindowProtocols.h
@@ -25,10 +25,27 @@
  * authors and should not be interpreted as representing official policies, either expressed
  * or implied, of JogAmp Community.
  */
+
+#ifndef NATIVEWINDOWPROTOCOLS_H
+#define NATIVEWINDOWPROTOCOLS_H 1
  
+/** 
+ * CALayer size needs to be set using the AWT component size. 
+ * See detailed description in JAWTUtil.java and sync w/ changed. 
+ */
+#define NW_DEDICATEDFRAME_QUIRK_SIZE      ( 1 << 0 )
+
+/** 
+ * CALayer position needs to be set to zero.
+ * See detailed description in JAWTUtil.java and sync w/ changed. 
+ */
+#define NW_DEDICATEDFRAME_QUIRK_POSITION  ( 1 << 1 )
+
 #import <Foundation/NSGeometry.h>
 
-@protocol NWDedicatedSize
-- (void)setDedicatedSize:(CGSize)size;
+@protocol NWDedicatedFrame
+- (void)setDedicatedFrame:(CGRect)dFrame quirks:(int)quirks;
 @end
 
+#endif /* NATIVEWINDOWPROTOCOLS_H_ */
+
diff --git a/src/nativewindow/native/macosx/OSXmisc.m b/src/nativewindow/native/macosx/OSXmisc.m
index 688ef79b8..afe3b3868 100644
--- a/src/nativewindow/native/macosx/OSXmisc.m
+++ b/src/nativewindow/native/macosx/OSXmisc.m
@@ -395,23 +395,23 @@ JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_GetNSWindow0
 /*
  * Class:     Java_jogamp_nativewindow_macosx_OSXUtil
  * Method:    CreateCALayer0
- * Signature: (IIII)J
+ * Signature: (II)J
  */
 JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_CreateCALayer0
-  (JNIEnv *env, jclass unused, jint x, jint y, jint width, jint height)
+  (JNIEnv *env, jclass unused, jint width, jint height)
 {
     NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
 
     MyCALayer* layer = [[MyCALayer alloc] init];
-    DBG_PRINT("CALayer::CreateCALayer.0: root %p %d/%d %dx%d (refcnt %d)\n", layer, (int)x, (int)y, (int)width, (int)height, (int)[layer retainCount]);
+    DBG_PRINT("CALayer::CreateCALayer.0: root %p 0/0 %dx%d (refcnt %d)\n", layer, (int)width, (int)height, (int)[layer retainCount]);
     // avoid zero size
     if(0 == width) { width = 32; }
     if(0 == height) { height = 32; }
 
     // initial dummy size !
     CGRect lRect = [layer frame];
-    lRect.origin.x = x;
-    lRect.origin.y = y;
+    lRect.origin.x = 0;
+    lRect.origin.y = 0;
     lRect.size.width = width;
     lRect.size.height = height;
     [layer setFrame: lRect];
@@ -428,45 +428,79 @@ JNIEXPORT jlong JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_CreateCALayer0
     return (jlong) ((intptr_t) layer);
 }
 
-static void FixCALayerLayout0(MyCALayer* rootLayer, CALayer* subLayer, jint width, jint height) {
+static void FixCALayerLayout0(MyCALayer* rootLayer, CALayer* subLayer, jint width, jint height, jint caLayerQuirks, jboolean force) {
     if( NULL != rootLayer ) {
         CGRect lRect = [rootLayer frame];
-        if(lRect.origin.x!=0 || lRect.origin.y!=0 || lRect.size.width!=width || lRect.size.height!=height) {
-            DBG_PRINT("CALayer::FixCALayerLayout0.0: Root %p frame %lf/%lf %lfx%lf -> 0/0 %dx%d\n",
-                rootLayer, lRect.origin.x, lRect.origin.y, lRect.size.width, lRect.size.height, (int)width, (int)height);
-            lRect.origin.x = 0;
-            lRect.origin.y = 0;
-            lRect.size.width = width;
-            lRect.size.height = height;
+        int posQuirk  = 0 != ( NW_DEDICATEDFRAME_QUIRK_POSITION & caLayerQuirks ) && ( lRect.origin.x!=0 || lRect.origin.y!=0 );
+        int sizeQuirk = 0 != ( NW_DEDICATEDFRAME_QUIRK_SIZE & caLayerQuirks ) && ( lRect.size.width!=width || lRect.size.height!=height );
+        CGFloat _x, _y, _w, _h;
+        // force root -> 0/0
+        _x = 0;
+        _y = 0;
+        posQuirk |= 8;
+        if( sizeQuirk ) {
+            _w = width;
+            _h = height;
+        } else {
+            _w = lRect.size.width;
+            _h = lRect.size.height;
+        }
+        DBG_PRINT("CALayer::FixCALayerLayout0.0: Quirks [%d, pos %d, size %d], Root %p frame %lf/%lf %lfx%lf, usr %dx%d -> %lf/%lf %lfx%lf\n",
+            caLayerQuirks, posQuirk, sizeQuirk, rootLayer, lRect.origin.x, lRect.origin.y, lRect.size.width, lRect.size.height, 
+            width, height, _x, _y, _w, _h);
+        if( posQuirk || sizeQuirk ) {
+            lRect.origin.x = _x;
+            lRect.origin.y = _y;
+            lRect.size.width = _w;
+            lRect.size.height = _h;
             [rootLayer setFrame: lRect];
         }
     }
     if( NULL != subLayer ) {
         CGRect lRect = [subLayer frame];
-        if(lRect.origin.x!=0 || lRect.origin.y!=0 || lRect.size.width!=width || lRect.size.height!=height) {
-            DBG_PRINT("CALayer::FixCALayerLayout0.0: SubL %p frame %lf/%lf %lfx%lf -> 0/0 %dx%d\n",
-                subLayer, lRect.origin.x, lRect.origin.y, lRect.size.width, lRect.size.height, (int)width, (int)height);
-            lRect.origin.x = 0;
-            lRect.origin.y = 0;
-            lRect.size.width = width;
-            lRect.size.height = height;
-            if( [subLayer conformsToProtocol:@protocol(NWDedicatedSize)] ) {
-                CALayer <NWDedicatedSize> * subLayerDS = (CALayer <NWDedicatedSize> *) subLayer;
-                [subLayerDS setDedicatedSize: lRect.size];
+        int sizeQuirk = 0 != ( NW_DEDICATEDFRAME_QUIRK_SIZE & caLayerQuirks ) && ( lRect.size.width!=width || lRect.size.height!=height );
+        CGFloat _x, _y, _w, _h;
+        int posQuirk  = 0 != ( NW_DEDICATEDFRAME_QUIRK_POSITION & caLayerQuirks ) && ( lRect.origin.x!=0 || lRect.origin.y!=0 );
+        if( posQuirk ) {
+            _x = 0;
+            _y = 0;
+        } else {
+            // sub always rel to root
+            _x = lRect.origin.x;
+            _y = lRect.origin.y;
+        }
+        if( sizeQuirk ) {
+            _w = width;
+            _h = height;
+        } else {
+            _w = lRect.size.width;
+            _h = lRect.size.height;
+        }
+        DBG_PRINT("CALayer::FixCALayerLayout1.0: Quirks [%d, pos %d, size %d], SubL %p frame %lf/%lf %lfx%lf, usr %dx%d -> %lf/%lf %lfx%lf\n",
+            caLayerQuirks, posQuirk, sizeQuirk, subLayer, lRect.origin.x, lRect.origin.y, lRect.size.width, lRect.size.height,
+            width, height, _x, _y, _w, _h);
+        if( force || posQuirk || sizeQuirk ) {
+            lRect.origin.x = _x;
+            lRect.origin.y = _y;
+            lRect.size.width = _w;
+            lRect.size.height = _h;
+            if( [subLayer conformsToProtocol:@protocol(NWDedicatedFrame)] ) {
+                CALayer <NWDedicatedFrame> * subLayerDS = (CALayer <NWDedicatedFrame> *) subLayer;
+                [subLayerDS setDedicatedFrame: lRect quirks: caLayerQuirks];
             } else {
                 [subLayer setFrame: lRect];
             }
-        } 
+        }
     }
 }
 
 /*
  * Class:     Java_jogamp_nativewindow_macosx_OSXUtil
  * Method:    AddCASublayer0
- * Signature: (JJII)V
+ * Signature: (JJIIIII)V
  */
 JNIEXPORT void JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_AddCASublayer0
-  (JNIEnv *env, jclass unused, jlong rootCALayer, jlong subCALayer, jint width, jint height)
+  (JNIEnv *env, jclass unused, jlong rootCALayer, jlong subCALayer, jint width, jint height, jint caLayerQuirks)
 {
     NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
     MyCALayer* rootLayer = (MyCALayer*) ((intptr_t) rootCALayer);
@@ -479,20 +513,23 @@ JNIEXPORT void JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_AddCASublayer0
     [subLayer retain]; // Pairs w/ RemoveCASublayer
 
     CGRect lRectRoot = [rootLayer frame];
-    DBG_PRINT("CALayer::AddCASublayer0.0: Origin %p frame0: %lf/%lf %lfx%lf\n",
-        rootLayer, lRectRoot.origin.x, lRectRoot.origin.y, lRectRoot.size.width, lRectRoot.size.height);
-    if(lRectRoot.origin.x!=0 || lRectRoot.origin.y!=0) {
-        lRectRoot.origin.x = 0;
-        lRectRoot.origin.y = 0;
-        [rootLayer setFrame: lRectRoot];
-        DBG_PRINT("CALayer::AddCASublayer0.1: Origin %p frame*: %lf/%lf %lfx%lf\n", 
-            rootLayer, lRectRoot.origin.x, lRectRoot.origin.y, lRectRoot.size.width, lRectRoot.size.height);
+    int posQuirk  = 0 != ( NW_DEDICATEDFRAME_QUIRK_POSITION & caLayerQuirks );
+    int sizeQuirk = 0 != ( NW_DEDICATEDFRAME_QUIRK_SIZE & caLayerQuirks );
+
+    DBG_PRINT("CALayer::AddCASublayer0.0: Quirks [%d, pos %d, size %d], Root %p (refcnt %d), Sub %p (refcnt %d), frame0: %lf/%lf %lfx%lf\n",
+        caLayerQuirks, posQuirk, sizeQuirk, rootLayer, (int)[rootLayer retainCount], subLayer, (int)[subLayer retainCount],
+        lRectRoot.origin.x, lRectRoot.origin.y, lRectRoot.size.width, lRectRoot.size.height);
+
+    CGPoint origin = lRectRoot.origin; // save
+    // force root to 0/0
+    lRectRoot.origin.x = 0;
+    lRectRoot.origin.y = 0;
+    [rootLayer setFrame: lRectRoot];
+
+    // simple 1:1 layout rel. to root-layer !
+    if( !posQuirk ) {
+        lRectRoot.origin = origin;
     }
-    DBG_PRINT("CALayer::AddCASublayer0.2: root %p (refcnt %d) .sub %p %lf/%lf %lfx%lf (refcnt %d)\n", 
-        rootLayer, (int)[rootLayer retainCount],
-        subLayer, lRectRoot.origin.x, lRectRoot.origin.y, lRectRoot.size.width, lRectRoot.size.height, (int)[subLayer retainCount]);
-
-    // simple 1:1 layout !
     [subLayer setFrame:lRectRoot];
     [rootLayer addSublayer:subLayer];
 
@@ -507,7 +544,9 @@ JNIEXPORT void JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_AddCASublayer0
     [subLayer setAutoresizingMask: (kCALayerWidthSizable|kCALayerHeightSizable)];
     [subLayer setNeedsDisplayOnBoundsChange: YES];
 
-    FixCALayerLayout0(rootLayer, subLayer, width, height);
+    if( 0 != caLayerQuirks ) {
+        FixCALayerLayout0(rootLayer, subLayer, width, height, caLayerQuirks, JNI_TRUE);
+    }
 
     [CATransaction commit];
 
@@ -519,23 +558,25 @@ JNIEXPORT void JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_AddCASublayer0
 /*
  * Class:     Java_jogamp_nativewindow_macosx_OSXUtil
  * Method:    FixCALayerLayout0
- * Signature: (JJII)V
+ * Signature: (JJIIIII)V
  */
 JNIEXPORT void JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_FixCALayerLayout0
-  (JNIEnv *env, jclass unused, jlong rootCALayer, jlong subCALayer, jint width, jint height)
+  (JNIEnv *env, jclass unused, jlong rootCALayer, jlong subCALayer, jint width, jint height, int caLayerQuirks)
 {
-    NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
-    MyCALayer* rootLayer = (MyCALayer*) ((intptr_t) rootCALayer);
-    CALayer* subLayer = (CALayer*) ((intptr_t) subCALayer);
+    if( 0 != caLayerQuirks ) {
+        NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
+        MyCALayer* rootLayer = (MyCALayer*) ((intptr_t) rootCALayer);
+        CALayer* subLayer = (CALayer*) ((intptr_t) subCALayer);
 
-    [CATransaction begin];
-    [CATransaction setValue:(id)kCFBooleanTrue forKey:kCATransactionDisableActions];
+        [CATransaction begin];
+        [CATransaction setValue:(id)kCFBooleanTrue forKey:kCATransactionDisableActions];
 
-    FixCALayerLayout0(rootLayer, subLayer, width, height);
+        FixCALayerLayout0(rootLayer, subLayer, width, height, caLayerQuirks, JNI_FALSE);
 
-    [CATransaction commit];
+        [CATransaction commit];
 
-    [pool release];
+        [pool release];
+    }
 }
 
 /*
@@ -807,7 +848,7 @@ JNIEXPORT void JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_RunLater0
 /*
  * Class:     Java_jogamp_nativewindow_macosx_OSXUtil
  * Method:    IsMainThread0
- * Signature: (V)V
+ * Signature: (V)Z
  */
 JNIEXPORT jboolean JNICALL Java_jogamp_nativewindow_macosx_OSXUtil_IsMainThread0
   (JNIEnv *env, jclass unused)