diff options
Diffstat (limited to 'src/nativewindow')
| -rw-r--r-- | src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTWindow.java | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTWindow.java b/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTWindow.java index c8ce13b40..41f79c98f 100644 --- a/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTWindow.java +++ b/src/nativewindow/classes/jogamp/nativewindow/jawt/JAWTWindow.java @@ -102,6 +102,16 @@ public abstract class JAWTWindow implements NativeWindow { } validateNative(); } + + /** + * Implementors shall ensure that all native handles are valid, eg. the {@link javax.media.nativewindow.awt.AWTGraphicsDevice AWTGraphicsDevice}'s + * subtype via {@link javax.media.nativewindow.awt.AWTGraphicsDevice#setSubType(String, long) awtGraphicsDevice.setSubType(NativeWindowFactory.TYPE_X11, displayHandle)}. + * <p> + * This method may be called several times, + * hence the implementation shall check for valid values 1st and bail out early if satisfied. + * </p> + * @throws NativeWindowException + */ protected abstract void validateNative() throws NativeWindowException; protected synchronized void invalidate() { @@ -164,6 +174,7 @@ public abstract class JAWTWindow implements NativeWindow { protected abstract int lockSurfaceImpl() throws NativeWindowException; public final int lockSurface() throws NativeWindowException { + validateNative(); surfaceLock.lock(); int res = surfaceLock.getHoldCount() == 1 ? LOCK_SURFACE_NOT_READY : LOCK_SUCCESS; // new lock ? |