DO NOT MERGE Fix display freezing when screen size mismatches

If we have a display size change, make sure to set different
scaling mode such that we can show the buffer even if there is
a size mismatch.

Test: Rotate screen
Test: Change cutout type
Bug: 112876936
Change-Id: Iedc7774d69730a95b98ba46d4f274bc3b7e66bd1
(cherry picked from commit da4997312c79bfb5b5c6fb31833fc2ce401c4457)

diff --git a/services/core/java/com/android/server/wm/ScreenRotationAnimation.java b/services/core/java/com/android/server/wm/ScreenRotationAnimation.java
index 1ff8ab5..95051de 100644 (file)
--- a/services/core/java/com/android/server/wm/ScreenRotationAnimation.java
+++ b/services/core/java/com/android/server/wm/ScreenRotationAnimation.java
@@ -38,6 +38,7 @@ import android.view.DisplayInfo;
 import android.view.Surface;
 import android.view.Surface.OutOfResourcesException;
 import android.view.SurfaceControl;
+import android.view.SurfaceControl.Transaction;
 import android.view.SurfaceSession;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
@@ -269,6 +270,12 @@ class ScreenRotationAnimation {
                     .setSecure(isSecure)
                     .build();
 
+            // In case display bounds change, screenshot buffer and surface may mismatch so set a
+            // scaling mode.
+            Transaction t2 = new Transaction();
+            t2.setOverrideScalingMode(mSurfaceControl, Surface.SCALING_MODE_SCALE_TO_WINDOW);
+            t2.apply(true /* sync */);
+
             // capture a screenshot into the surface we just created
             // TODO(multidisplay): we should use the proper display
             final int displayId = SurfaceControl.BUILT_IN_DISPLAY_ID_MAIN;