Android/frameworks_base
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DO NOT MERGE Fix display freezing when screen size mismatches

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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
This commit is contained in:
Jorim Jaggi
2018-08-22 15:43:17 +02:00
parent 2bd9a25007
commit da4997312c
1 changed files with 7 additions and 0 deletions
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7
services/core/java/com/android/server/wm/ScreenRotationAnimation.java
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@@ -37,6 +37,7 @@ 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;
@@ -268,6 +269,12 @@ 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;