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Commit 92529363 authored by Chris Craik's avatar Chris Craik Committed by android-build-merger
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Merge "Reset transparent region when saving a surface" into nyc-dev 

am: 52b952a2

* commit '52b952a2':
  Reset transparent region when saving a surface

Change-Id: Ida763eab76b258a5f454aa4249cbd7ce3a02c81a
parents 87d20317 52b952a2

services/core/java/com/android/server/wm/WindowState.java

+5 −0
Original line number Diff line number Diff line
@@ -1995,12 +1995,17 @@ final class WindowState implements WindowManagerPolicy.WindowState { 
        return mAppToken.shouldSaveSurface();

    }



    static final Region sEmptyRegion = new Region();



    void destroyOrSaveSurface() {

        mSurfaceSaved = shouldSaveSurface();

        if (mSurfaceSaved) {

            if (DEBUG_APP_TRANSITIONS || DEBUG_ANIM) {

                Slog.v(TAG, "Saving surface: " + this);

            }

            // Previous user of the surface may have set a transparent region signaling a portion

            // doesn't need to be composited, so reset to default empty state.

            mSession.setTransparentRegion(mClient, sEmptyRegion);



            mWinAnimator.hide("saved surface");

            mWinAnimator.mDrawState = WindowStateAnimator.NO_SURFACE;