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Remove synchronization around `damageRegion'

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* java/org/gnu/emacs/EmacsView.java (EmacsView, swapBuffers):
Remove unnecessary documentation.  `damageRegion' is only
changed from the Emacs thread.
This commit is contained in:
Po Lu 2023-05-27 15:19:02 +08:00
parent cdca0fddcc
commit d33bf0a0af
1 changed files with 10 additions and 16 deletions
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26
java/org/gnu/emacs/EmacsView.java
View file

@ -338,10 +338,7 @@ public final class EmacsView extends ViewGroup
public void
damageRect (Rect damageRect)
{
synchronized (damageRegion)
{
damageRegion.union (damageRect);
}
damageRegion.union (damageRect);
}
/* This method is called from both the UI thread and the Emacs
@ -358,22 +355,19 @@ public final class EmacsView extends ViewGroup
/* Now see if there is a damage region. */
synchronized (damageRegion)
{
if (damageRegion.isEmpty ())
return;
if (damageRegion.isEmpty ())
return;
/* And extract and clear the damage region. */
/* And extract and clear the damage region. */
damageRect = damageRegion.getBounds ();
damageRegion.setEmpty ();
damageRect = damageRegion.getBounds ();
damageRegion.setEmpty ();
bitmap = getBitmap ();
bitmap = getBitmap ();
/* Transfer the bitmap to the surface view, then invalidate
it. */
surfaceView.setBitmap (bitmap, damageRect);
}
/* Transfer the bitmap to the surface view, then invalidate
it. */
surfaceView.setBitmap (bitmap, damageRect);
}
@Override