Framework code for Attached Choreographer.
Allows a direct association of a Layer (via LayerHistory) to attached
choreographer.
The EventThread checks whether the vsync is in phase for a
choreographer.
Bug: 255838011
Test: atest AttachedChoreographerNativeTest
Change-Id: I9cb35bced5e6d4509609ad7698ab2902a31d5b98
diff --git a/libs/gui/DisplayEventReceiver.cpp b/libs/gui/DisplayEventReceiver.cpp
index c52fb6b..6849a95 100644
--- a/libs/gui/DisplayEventReceiver.cpp
+++ b/libs/gui/DisplayEventReceiver.cpp
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+#define LOG_TAG "DisplayEventReceiver"
+
#include <string.h>
#include <utils/Errors.h>
@@ -32,7 +34,8 @@
// ---------------------------------------------------------------------------
DisplayEventReceiver::DisplayEventReceiver(gui::ISurfaceComposer::VsyncSource vsyncSource,
- EventRegistrationFlags eventRegistration) {
+ EventRegistrationFlags eventRegistration,
+ const sp<IBinder>& layerHandle) {
sp<gui::ISurfaceComposer> sf(ComposerServiceAIDL::getComposerService());
if (sf != nullptr) {
mEventConnection = nullptr;
@@ -41,8 +44,8 @@
static_cast<
gui::ISurfaceComposer::EventRegistration>(
eventRegistration.get()),
- &mEventConnection);
- if (mEventConnection != nullptr) {
+ layerHandle, &mEventConnection);
+ if (status.isOk() && mEventConnection != nullptr) {
mDataChannel = std::make_unique<gui::BitTube>();
status = mEventConnection->stealReceiveChannel(mDataChannel.get());
if (!status.isOk()) {
@@ -51,6 +54,8 @@
mDataChannel.reset();
mEventConnection.clear();
}
+ } else {
+ ALOGE("DisplayEventConnection creation failed: status=%s", status.toString8().c_str());
}
}
}