diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java index 4d1c666198194..bf8785adc79d4 100644 --- a/core/java/android/view/ViewRootImpl.java +++ b/core/java/android/view/ViewRootImpl.java @@ -1356,6 +1356,11 @@ public final class ViewRootImpl implements ViewParent, } } + /** + * Register a callback to be executed when Webview overlay needs to merge a transaction. + * This callback will be executed on RenderThread worker thread, and released inside native code + * when CanvasContext is destroyed. + */ private void addASurfaceTransactionCallback() { HardwareRenderer.ASurfaceTransactionCallback callback = (nativeTransactionObj, nativeSurfaceControlObj, @@ -7710,6 +7715,7 @@ public final class ViewRootImpl implements ViewParent, } } if (mAttachInfo.mThreadedRenderer != null) { + addASurfaceTransactionCallback(); mAttachInfo.mThreadedRenderer.setSurfaceControl(mSurfaceControl); } } else { diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp index bae1ab5bab44c..891a99489fcf5 100644 --- a/libs/hwui/renderthread/CanvasContext.cpp +++ b/libs/hwui/renderthread/CanvasContext.cpp @@ -195,6 +195,10 @@ void CanvasContext::setSurfaceControl(ASurfaceControl* surfaceControl) { auto funcs = mRenderThread.getASurfaceControlFunctions(); + if (surfaceControl == nullptr) { + setASurfaceTransactionCallback(nullptr); + } + if (mSurfaceControl != nullptr) { funcs.unregisterListenerFunc(this, &onSurfaceStatsAvailable); funcs.releaseFunc(mSurfaceControl);