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Merge "Drop sync buffers for subsequent sync requests" into tm-qpr-dev

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This commit is contained in:
Evan Rosky
2022-06-27 23:12:41 +00:00
committed by Android (Google) Code Review
parent 9c8a2793d5 b987697042
commit 813c1e83a3
3 changed files with 65 additions and 27 deletions
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24
data/etc/services.core.protolog.json
View File

@@ -475,12 +475,6 @@
"group": "WM_DEBUG_ADD_REMOVE",
"at": "com\/android\/server\/wm\/ResetTargetTaskHelper.java"
},
"-1635750891": {
"message": "Received remote change for Display[%d], applied: [%dx%d, rot = %d]",
"level": "VERBOSE",
"group": "WM_DEBUG_CONFIGURATION",
"at": "com\/android\/server\/wm\/RemoteDisplayChangeController.java"
},
"-1633115609": {
"message": "Key dispatch not paused for screen off",
"level": "VERBOSE",
@@ -1711,6 +1705,12 @@
"group": "WM_DEBUG_STATES",
"at": "com\/android\/server\/wm\/RootWindowContainer.java"
},
"-417730399": {
"message": "Preparing to sync a window that was already in the sync, so try dropping buffer. win=%s",
"level": "DEBUG",
"group": "WM_DEBUG_SYNC_ENGINE",
"at": "com\/android\/server\/wm\/WindowState.java"
},
"-415865166": {
"message": "findFocusedWindow: Found new focus @ %s",
"level": "VERBOSE",
@@ -2137,6 +2137,12 @@
"group": "WM_DEBUG_RECENTS_ANIMATIONS",
"at": "com\/android\/server\/wm\/RecentsAnimation.java"
},
"-4263657": {
"message": "Got a buffer for request id=%d but latest request is id=%d. Since the buffer is out-of-date, drop it. win=%s",
"level": "DEBUG",
"group": "WM_DEBUG_SYNC_ENGINE",
"at": "com\/android\/server\/wm\/WindowState.java"
},
"3593205": {
"message": "commitVisibility: %s: visible=%b mVisibleRequested=%b",
"level": "VERBOSE",
@@ -3877,12 +3883,6 @@
"group": "WM_DEBUG_ORIENTATION",
"at": "com\/android\/server\/wm\/WindowStateAnimator.java"
},
"1764619787": {
"message": "Remote change for Display[%d]: timeout reached",
"level": "VERBOSE",
"group": "WM_DEBUG_CONFIGURATION",
"at": "com\/android\/server\/wm\/RemoteDisplayChangeController.java"
},
"1774661765": {
"message": "Devices still not ready after waiting %d milliseconds before attempting to detect safe mode.",
"level": "WARN",

8
services/core/java/com/android/server/wm/WindowManagerService.java
View File

@@ -122,7 +122,6 @@ import static com.android.server.wm.SurfaceAnimator.ANIMATION_TYPE_ALL;
import static com.android.server.wm.SurfaceAnimator.ANIMATION_TYPE_APP_TRANSITION;
import static com.android.server.wm.WindowContainer.AnimationFlags.CHILDREN;
import static com.android.server.wm.WindowContainer.AnimationFlags.TRANSITION;
import static com.android.server.wm.WindowContainer.SYNC_STATE_NONE;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_DISPLAY;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_INPUT_METHOD;
@@ -2252,7 +2251,7 @@ public class WindowManagerService extends IWindowManager.Stub
return 0;
}
if (win.cancelAndRedraw()) {
if (win.cancelAndRedraw() && win.mPrepareSyncSeqId <= win.mLastSeqIdSentToRelayout) {
result |= RELAYOUT_RES_CANCEL_AND_REDRAW;
}
@@ -2558,11 +2557,6 @@ public class WindowManagerService extends IWindowManager.Stub
win.mLastSeqIdSentToRelayout = win.mSyncSeqId;
outSyncIdBundle.putInt("seqid", win.mSyncSeqId);
// Only mark mAlreadyRequestedSync if there's an explicit sync request, and not if
// we're syncing due to mDrawHandlers
if (win.mSyncState != SYNC_STATE_NONE) {
win.mAlreadyRequestedSync = true;
}
} else {
outSyncIdBundle.putInt("seqid", -1);
}

60
services/core/java/com/android/server/wm/WindowState.java
View File

@@ -115,6 +115,7 @@ import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_FOCUS_LIGHT;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_ORIENTATION;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_RESIZE;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_STARTING_WINDOW;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_SYNC_ENGINE;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_WINDOW_INSETS;
import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
import static com.android.server.policy.WindowManagerPolicy.TRANSIT_ENTER;
@@ -391,7 +392,9 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
*/
int mSyncSeqId = 0;
int mLastSeqIdSentToRelayout = 0;
boolean mAlreadyRequestedSync;
/** The last syncId associated with a prepareSync or 0 when no sync is active. */
int mPrepareSyncSeqId = 0;
/**
* {@code true} when the client was still drawing for sync when the sync-set was finished or
@@ -4421,7 +4424,7 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
}
}
pw.println(prefix + "mAlreadyRequestedSync=" + mAlreadyRequestedSync);
pw.println(prefix + "mPrepareSyncSeqId=" + mPrepareSyncSeqId);
}
@Override
@@ -5913,6 +5916,13 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
return mWinAnimator.getSurfaceControl();
}
/** Drops a buffer for this window's view-root from a transaction */
private void dropBufferFrom(Transaction t) {
SurfaceControl viewSurface = getClientViewRootSurface();
if (viewSurface == null) return;
t.setBuffer(viewSurface, (android.hardware.HardwareBuffer) null);
}
@Override
boolean prepareSync() {
if (!mDrawHandlers.isEmpty()) {
@@ -5928,7 +5938,18 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
// to draw even if the children draw first or don't need to sync, so we start
// in WAITING state rather than READY.
mSyncState = SYNC_STATE_WAITING_FOR_DRAW;
if (mPrepareSyncSeqId > 0) {
// another prepareSync during existing sync (eg. reparented), so pre-emptively
// drop buffer (if exists). If the buffer hasn't been received yet, it will be
// dropped in finishDrawing.
ProtoLog.d(WM_DEBUG_SYNC_ENGINE, "Preparing to sync a window that was already in the"
+ " sync, so try dropping buffer. win=%s", this);
dropBufferFrom(mSyncTransaction);
}
mSyncSeqId++;
mPrepareSyncSeqId = mSyncSeqId;
requestRedrawForSync();
return true;
}
@@ -5949,7 +5970,13 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
if (mSyncState == SYNC_STATE_WAITING_FOR_DRAW && mRedrawForSyncReported) {
mClientWasDrawingForSync = true;
}
mAlreadyRequestedSync = false;
mPrepareSyncSeqId = 0;
if (cancel) {
// This is leaving sync so any buffers left in the sync have a chance of
// being applied out-of-order and can also block the buffer queue for this
// window. To prevent this, drop the buffer.
dropBufferFrom(mSyncTransaction);
}
super.finishSync(outMergedTransaction, cancel);
}
@@ -5971,6 +5998,17 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
.notifyStartingWindowDrawn(mActivityRecord);
}
final boolean syncActive = mPrepareSyncSeqId > 0;
final boolean syncStillPending = syncActive && mPrepareSyncSeqId > syncSeqId;
if (syncStillPending && postDrawTransaction != null) {
ProtoLog.d(WM_DEBUG_SYNC_ENGINE, "Got a buffer for request id=%d but latest request is"
+ " id=%d. Since the buffer is out-of-date, drop it. win=%s", syncSeqId,
mPrepareSyncSeqId, this);
// sync is waiting for a newer seqId, so this buffer is obsolete and can be dropped
// to free up the buffer queue.
dropBufferFrom(postDrawTransaction);
}
final boolean hasSyncHandlers = executeDrawHandlers(postDrawTransaction, syncSeqId);
boolean skipLayout = false;
@@ -5983,10 +6021,15 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
// Layout is not needed because the window will be hidden by the fade leash.
postDrawTransaction = null;
skipLayout = true;
} else if (onSyncFinishedDrawing() && postDrawTransaction != null) {
mSyncTransaction.merge(postDrawTransaction);
// Consume the transaction because the sync group will merge it.
postDrawTransaction = null;
} else if (syncActive) {
if (!syncStillPending) {
onSyncFinishedDrawing();
}
if (postDrawTransaction != null) {
mSyncTransaction.merge(postDrawTransaction);
// Consume the transaction because the sync group will merge it.
postDrawTransaction = null;
}
}
final boolean layoutNeeded =
@@ -6218,6 +6261,7 @@ class WindowState extends WindowContainer<WindowState> implements WindowManagerP
}
public boolean cancelAndRedraw() {
return mSyncState != SYNC_STATE_NONE && mAlreadyRequestedSync;
// Cancel any draw requests during a sync.
return mPrepareSyncSeqId > 0;
}
}