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Fixed screendecorations flickering while resolution change

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If the ScreenRotationAnimation is caused by resolution change:
1. Include screen decor layers in the screenshot of the
   ScreenRotationAnimation.
2. Hide the screen decor layers while the animation is running and
   resotre back to visible when the animation ends.

Bug:228284551
Test: 1. go Settings > Display > Screen resolution
      2. swithc between FHD & QHD and no flickering

Change-Id: Ib6be8e1ce5a99163625e0276c7c3c164a35d420f
This commit is contained in:
Shawn Lin
2022-05-27 17:02:42 +08:00
parent f6743c032c
commit 069ff5c01c
2 changed files with 37 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
services/core/java/com/android/server/wm/DisplayContent.java
View File

@@ -5395,7 +5395,7 @@ class DisplayContent extends RootDisplayArea implements WindowManagerPolicy.Disp
SurfaceControl[] findRoundedCornerOverlays() {
List<SurfaceControl> roundedCornerOverlays = new ArrayList<>();
for (WindowToken token : mTokenMap.values()) {
if (token.mRoundedCornerOverlay) {
if (token.mRoundedCornerOverlay && token.isVisible()) {
roundedCornerOverlays.add(token.mSurfaceControl);
}
}

48
services/core/java/com/android/server/wm/ScreenRotationAnimation.java
View File

@@ -102,6 +102,7 @@ class ScreenRotationAnimation {
private SurfaceControl mEnterBlackFrameLayer;
/** This layer contains the actual screenshot that is to be faded out. */
private SurfaceControl mScreenshotLayer;
private SurfaceControl[] mRoundedCornerOverlay;
/**
* Only used for screen rotation and not custom animations. Layered behind all other layers
* to avoid showing any "empty" spots
@@ -151,6 +152,11 @@ class ScreenRotationAnimation {
final boolean flipped = delta == Surface.ROTATION_90 || delta == Surface.ROTATION_270;
mOriginalWidth = flipped ? height : width;
mOriginalHeight = flipped ? width : height;
final int logicalWidth = displayInfo.logicalWidth;
final int logicalHeight = displayInfo.logicalHeight;
final boolean isSizeChanged =
logicalWidth > mOriginalWidth == logicalHeight > mOriginalHeight
&& (logicalWidth != mOriginalWidth || logicalHeight != mOriginalHeight);
mSurfaceRotationAnimationController = new SurfaceRotationAnimationController();
// Check whether the current screen contains any secure content.
@@ -159,18 +165,23 @@ class ScreenRotationAnimation {
final SurfaceControl.Transaction t = mService.mTransactionFactory.get();
try {
SurfaceControl.LayerCaptureArgs args =
SurfaceControl.LayerCaptureArgs.Builder builder =
new SurfaceControl.LayerCaptureArgs.Builder(displayContent.getSurfaceControl())
.setCaptureSecureLayers(true)
.setAllowProtected(true)
.setSourceCrop(new Rect(0, 0, width, height))
// Exclude rounded corner overlay from screenshot buffer. Rounded
// corner overlay windows are un-rotated during rotation animation
// for a seamless transition.
.setExcludeLayers(displayContent.findRoundedCornerOverlays())
.build();
.setSourceCrop(new Rect(0, 0, width, height));
if (isSizeChanged) {
mRoundedCornerOverlay = displayContent.findRoundedCornerOverlays();
} else {
// Exclude rounded corner overlay from screenshot buffer. Rounded
// corner overlay windows are un-rotated during rotation animation
// for a seamless transition.
builder.setExcludeLayers(displayContent.findRoundedCornerOverlays());
}
SurfaceControl.ScreenshotHardwareBuffer screenshotBuffer =
SurfaceControl.captureLayers(args);
SurfaceControl.captureLayers(builder.build());
if (screenshotBuffer == null) {
Slog.w(TAG, "Unable to take screenshot of display " + displayId);
return;
@@ -232,6 +243,14 @@ class ScreenRotationAnimation {
t.show(mScreenshotLayer);
t.show(mBackColorSurface);
if (mRoundedCornerOverlay != null) {
for (SurfaceControl sc : mRoundedCornerOverlay) {
if (sc.isValid()) {
t.hide(sc);
}
}
}
} catch (OutOfResourcesException e) {
Slog.w(TAG, "Unable to allocate freeze surface", e);
}
@@ -240,10 +259,7 @@ class ScreenRotationAnimation {
// the new logical display size. Currently pending transaction and RWC#mDisplayTransaction
// are merged to global transaction, so it can be synced with display change when calling
// DisplayManagerInternal#performTraversal(transaction).
final int logicalWidth = displayInfo.logicalWidth;
final int logicalHeight = displayInfo.logicalHeight;
if (logicalWidth > mOriginalWidth == logicalHeight > mOriginalHeight
&& (logicalWidth != mOriginalWidth || logicalHeight != mOriginalHeight)) {
if (mScreenshotLayer != null && isSizeChanged) {
displayContent.getPendingTransaction().setGeometry(mScreenshotLayer,
new Rect(0, 0, mOriginalWidth, mOriginalHeight),
new Rect(0, 0, logicalWidth, logicalHeight), Surface.ROTATION_0);
@@ -472,6 +488,14 @@ class ScreenRotationAnimation {
}
mBackColorSurface = null;
}
if (mRoundedCornerOverlay != null) {
for (SurfaceControl sc : mRoundedCornerOverlay) {
if (sc.isValid()) {
t.show(sc);
}
}
mRoundedCornerOverlay = null;
}
t.apply();
}