diff --git a/services/core/java/com/android/server/wm/Transition.java b/services/core/java/com/android/server/wm/Transition.java index 5b3bbd50cb2d9..1b27bb17f5994 100644 --- a/services/core/java/com/android/server/wm/Transition.java +++ b/services/core/java/com/android/server/wm/Transition.java @@ -2270,7 +2270,7 @@ class Transition implements BLASTSyncEngine.TransactionReadyListener { // transitions anyways). return wc.getParent().asDisplayContent().getWindowingLayer(); } - return wc.getParent().getSurfaceControl(); + return wc.getParentSurfaceControl(); } /** diff --git a/services/core/java/com/android/server/wm/WindowToken.java b/services/core/java/com/android/server/wm/WindowToken.java index 31afcbf262203..9806be85467b5 100644 --- a/services/core/java/com/android/server/wm/WindowToken.java +++ b/services/core/java/com/android/server/wm/WindowToken.java @@ -388,12 +388,23 @@ class WindowToken extends WindowContainer { @Override SurfaceControl.Builder makeSurface() { final SurfaceControl.Builder builder = super.makeSurface(); + // The overlay may use COLOR_MODE_A8 that needs to be at the top of the display to avoid + // additional memory usage, see b/235601833. Note that getParentSurfaceControl() must use + // the same parent. if (mRoundedCornerOverlay) { builder.setParent(null); } return builder; } + @Override + public SurfaceControl getParentSurfaceControl() { + if (mRoundedCornerOverlay) { + return null; + } + return super.getParentSurfaceControl(); + } + boolean isClientVisible() { return mClientVisible; }