Receive refresh rate callbacks from DMS
AChoreographer will use DMS as the source of truth for these callbacks
instead of SurfaceFlinger.
Bug: 154874011
Test: ChoreographerNativeTest
Tes: Manually verify that HWUI is processing refresh rate callbacks
Change-Id: I961a7d1ab335800d3e260ba7564ddca9c0595cfc
diff --git a/libs/gui/DisplayEventDispatcher.cpp b/libs/gui/DisplayEventDispatcher.cpp
index 15f966d..b33bc9e 100644
--- a/libs/gui/DisplayEventDispatcher.cpp
+++ b/libs/gui/DisplayEventDispatcher.cpp
@@ -36,10 +36,7 @@
DisplayEventDispatcher::DisplayEventDispatcher(const sp<Looper>& looper,
ISurfaceComposer::VsyncSource vsyncSource,
ISurfaceComposer::ConfigChanged configChanged)
- : mLooper(looper),
- mReceiver(vsyncSource, configChanged),
- mWaitingForVsync(false),
- mConfigChangeFlag(configChanged) {
+ : mLooper(looper), mReceiver(vsyncSource, configChanged), mWaitingForVsync(false) {
ALOGV("dispatcher %p ~ Initializing display event dispatcher.", this);
}
@@ -92,16 +89,12 @@
return OK;
}
-void DisplayEventDispatcher::toggleConfigEvents(ISurfaceComposer::ConfigChanged configChangeFlag) {
- if (mConfigChangeFlag == configChangeFlag) {
- return;
- }
- status_t status = mReceiver.toggleConfigEvents(configChangeFlag);
+void DisplayEventDispatcher::requestLatestConfig() {
+ status_t status = mReceiver.requestLatestConfig();
if (status) {
ALOGW("Failed enable config events, status=%d", status);
return;
}
- mConfigChangeFlag = configChangeFlag;
}
int DisplayEventDispatcher::getFd() const {
diff --git a/libs/gui/DisplayEventReceiver.cpp b/libs/gui/DisplayEventReceiver.cpp
index fd6aaf8..1fed509 100644
--- a/libs/gui/DisplayEventReceiver.cpp
+++ b/libs/gui/DisplayEventReceiver.cpp
@@ -79,10 +79,9 @@
return NO_INIT;
}
-status_t DisplayEventReceiver::toggleConfigEvents(
- ISurfaceComposer::ConfigChanged configChangeFlag) {
+status_t DisplayEventReceiver::requestLatestConfig() {
if (mEventConnection != nullptr) {
- mEventConnection->toggleConfigEvents(configChangeFlag);
+ mEventConnection->requestLatestConfig();
return NO_ERROR;
}
return NO_INIT;
diff --git a/libs/gui/IDisplayEventConnection.cpp b/libs/gui/IDisplayEventConnection.cpp
index dda5acf..aa74bfd 100644
--- a/libs/gui/IDisplayEventConnection.cpp
+++ b/libs/gui/IDisplayEventConnection.cpp
@@ -26,8 +26,8 @@
STEAL_RECEIVE_CHANNEL = IBinder::FIRST_CALL_TRANSACTION,
SET_VSYNC_RATE,
REQUEST_NEXT_VSYNC,
- TOGGLE_CONFIG_EVENTS,
- LAST = TOGGLE_CONFIG_EVENTS,
+ REQUEST_LATEST_CONFIG,
+ LAST = REQUEST_LATEST_CONFIG,
};
} // Anonymous namespace
@@ -55,10 +55,9 @@
Tag::REQUEST_NEXT_VSYNC);
}
- void toggleConfigEvents(ISurfaceComposer::ConfigChanged configChangeFlag) override {
- callRemoteAsync<decltype(
- &IDisplayEventConnection::toggleConfigEvents)>(Tag::TOGGLE_CONFIG_EVENTS,
- configChangeFlag);
+ void requestLatestConfig() override {
+ callRemoteAsync<decltype(&IDisplayEventConnection::requestLatestConfig)>(
+ Tag::REQUEST_LATEST_CONFIG);
}
};
@@ -81,8 +80,8 @@
return callLocal(data, reply, &IDisplayEventConnection::setVsyncRate);
case Tag::REQUEST_NEXT_VSYNC:
return callLocalAsync(data, reply, &IDisplayEventConnection::requestNextVsync);
- case Tag::TOGGLE_CONFIG_EVENTS:
- return callLocalAsync(data, reply, &IDisplayEventConnection::toggleConfigEvents);
+ case Tag::REQUEST_LATEST_CONFIG:
+ return callLocalAsync(data, reply, &IDisplayEventConnection::requestLatestConfig);
}
}
diff --git a/libs/gui/include/gui/DisplayEventDispatcher.h b/libs/gui/include/gui/DisplayEventDispatcher.h
index fcdf6bf..f210c34 100644
--- a/libs/gui/include/gui/DisplayEventDispatcher.h
+++ b/libs/gui/include/gui/DisplayEventDispatcher.h
@@ -31,7 +31,7 @@
status_t initialize();
void dispose();
status_t scheduleVsync();
- void toggleConfigEvents(ISurfaceComposer::ConfigChanged configChangeFlag);
+ void requestLatestConfig();
int getFd() const;
virtual int handleEvent(int receiveFd, int events, void* data);
@@ -42,7 +42,6 @@
sp<Looper> mLooper;
DisplayEventReceiver mReceiver;
bool mWaitingForVsync;
- ISurfaceComposer::ConfigChanged mConfigChangeFlag;
virtual void dispatchVsync(nsecs_t timestamp, PhysicalDisplayId displayId, uint32_t count) = 0;
virtual void dispatchHotplug(nsecs_t timestamp, PhysicalDisplayId displayId,
diff --git a/libs/gui/include/gui/DisplayEventReceiver.h b/libs/gui/include/gui/DisplayEventReceiver.h
index d9a0253..8d49184 100644
--- a/libs/gui/include/gui/DisplayEventReceiver.h
+++ b/libs/gui/include/gui/DisplayEventReceiver.h
@@ -147,9 +147,10 @@
status_t requestNextVsync();
/*
- * toggleConfigEvents() toggles delivery of config change events.
+ * requestLatestConfig() force-requests the current config for the primary
+ * display.
*/
- status_t toggleConfigEvents(ISurfaceComposer::ConfigChanged configChangeFlag);
+ status_t requestLatestConfig();
private:
sp<IDisplayEventConnection> mEventConnection;
diff --git a/libs/gui/include/gui/IDisplayEventConnection.h b/libs/gui/include/gui/IDisplayEventConnection.h
index 8b35ef6..674aafd 100644
--- a/libs/gui/include/gui/IDisplayEventConnection.h
+++ b/libs/gui/include/gui/IDisplayEventConnection.h
@@ -53,11 +53,9 @@
virtual void requestNextVsync() = 0; // Asynchronous
/*
- * togglesConfigEvents() configures whether or not display config changes
- * should be propagated.
+ * requestLatestConfig() requests the config for the primary display.
*/
- virtual void toggleConfigEvents(
- ISurfaceComposer::ConfigChanged configChangeFlag) = 0; // Asynchronous
+ virtual void requestLatestConfig() = 0; // Asynchronous
};
class BnDisplayEventConnection : public SafeBnInterface<IDisplayEventConnection> {