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Merge "Use blast sync only for overlay decor when resizing display" into udc-dev

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This commit is contained in:
Riddle Hsu
2023-04-11 08:06:32 +00:00
committed by Android (Google) Code Review
parent e13fe5cca8 c55dbcd4ec
commit 19157f2e92
1 changed files with 20 additions and 10 deletions
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30
services/core/java/com/android/server/wm/TransitionController.java
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@@ -443,26 +443,36 @@ class TransitionController {
return type == TRANSIT_OPEN || type == TRANSIT_CLOSE;
}
/** Whether the display change should run with blast sync. */
private static boolean shouldSync(@NonNull TransitionRequestInfo.DisplayChange displayChange) {
if ((displayChange.getStartRotation() + displayChange.getEndRotation()) % 2 == 0) {
/** Sets the sync method for the display change. */
private void setDisplaySyncMethod(@NonNull TransitionRequestInfo.DisplayChange displayChange,
@NonNull Transition displayTransition, @NonNull DisplayContent displayContent) {
final int startRotation = displayChange.getStartRotation();
final int endRotation = displayChange.getEndRotation();
if (startRotation != endRotation && (startRotation + endRotation) % 2 == 0) {
// 180 degrees rotation change may not change screen size. So the clients may draw
// some frames before and after the display projection transaction is applied by the
// remote player. That may cause some buffers to show in different rotation. So use
// sync method to pause clients drawing until the projection transaction is applied.
return true;
mAtm.mWindowManager.mSyncEngine.setSyncMethod(displayTransition.getSyncId(),
BLASTSyncEngine.METHOD_BLAST);
}
final Rect startBounds = displayChange.getStartAbsBounds();
final Rect endBounds = displayChange.getEndAbsBounds();
if (startBounds == null || endBounds == null) return false;
if (startBounds == null || endBounds == null) return;
final int startWidth = startBounds.width();
final int startHeight = startBounds.height();
final int endWidth = endBounds.width();
final int endHeight = endBounds.height();
// This is changing screen resolution. Because the screen decor layers are excluded from
// screenshot, their draw transactions need to run with the start transaction.
return (endWidth > startWidth) == (endHeight > startHeight)
&& (endWidth != startWidth || endHeight != startHeight);
if ((endWidth > startWidth) == (endHeight > startHeight)
&& (endWidth != startWidth || endHeight != startHeight)) {
displayContent.forAllWindows(w -> {
if (w.mToken.mRoundedCornerOverlay && w.mHasSurface) {
w.mSyncMethodOverride = BLASTSyncEngine.METHOD_BLAST;
}
}, true /* traverseTopToBottom */);
}
}
/**
@@ -494,9 +504,9 @@ class TransitionController {
} else {
newTransition = requestStartTransition(createTransition(type, flags),
trigger != null ? trigger.asTask() : null, remoteTransition, displayChange);
if (newTransition != null && displayChange != null && shouldSync(displayChange)) {
mAtm.mWindowManager.mSyncEngine.setSyncMethod(newTransition.getSyncId(),
BLASTSyncEngine.METHOD_BLAST);
if (newTransition != null && displayChange != null && trigger != null
&& trigger.asDisplayContent() != null) {
setDisplaySyncMethod(displayChange, newTransition, trigger.asDisplayContent());
}
}
if (trigger != null) {