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Merge "SyncRtSurfaceTransactionApplier: Improve thread safety" into sc-dev

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This commit is contained in:
Rob Carr
2021-05-07 22:11:00 +00:00
committed by Android (Google) Code Review
parent 969f4ec61b e9ea91f47d
commit 84c2f5bf21
2 changed files with 13 additions and 8 deletions
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17
core/java/android/view/SyncRtSurfaceTransactionApplier.java
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@@ -54,20 +54,21 @@ public class SyncRtSurfaceTransactionApplier {
/**
* Schedules applying surface parameters on the next frame.
*
* @param params The surface parameters to apply. DO NOT MODIFY the list after passing into
* this method to avoid synchronization issues.
* @param params The surface parameters to apply.
*/
public void scheduleApply(final SurfaceParams... params) {
if (mTargetViewRootImpl == null) {
return;
}
mTargetSc = mTargetViewRootImpl.getSurfaceControl();
final Transaction t = new Transaction();
applyParams(t, params);
mTargetViewRootImpl.registerRtFrameCallback(frame -> {
if (mTargetSc == null || !mTargetSc.isValid()) {
return;
}
Transaction t = new Transaction();
applyParams(t, frame, params);
applyTransaction(t, frame);
});
// Make sure a frame gets scheduled.
@@ -78,15 +79,17 @@ public class SyncRtSurfaceTransactionApplier {
* Applies surface parameters on the next frame.
* @param t transaction to apply all parameters in.
* @param frame frame to synchronize to. Set -1 when sync is not required.
* @param params The surface parameters to apply. DO NOT MODIFY the list after passing into
* this method to avoid synchronization issues.
* @param params The surface parameters to apply.
*/
void applyParams(Transaction t, long frame, final SurfaceParams... params) {
void applyParams(Transaction t, final SurfaceParams... params) {
for (int i = params.length - 1; i >= 0; i--) {
SurfaceParams surfaceParams = params[i];
SurfaceControl surface = surfaceParams.surface;
applyParams(t, surfaceParams, mTmpFloat9);
}
}
void applyTransaction(Transaction t, long frame) {
if (mTargetViewRootImpl != null) {
mTargetViewRootImpl.mergeWithNextTransaction(t, frame);
} else {

4
core/java/android/view/ViewRootInsetsControllerHost.java
View File

@@ -127,7 +127,9 @@ public class ViewRootInsetsControllerHost implements InsetsController.Host {
// Window doesn't support hardware acceleration, no synchronization for now.
// TODO(b/149342281): use mViewRoot.mSurface.getNextFrameNumber() to sync on every
// frame instead.
mApplier.applyParams(new SurfaceControl.Transaction(), -1 /* frame */, params);
final SurfaceControl.Transaction t = new SurfaceControl.Transaction();
mApplier.applyParams(t, params);
mApplier.applyTransaction(t, -1);
}
}