commit 62f216c62edbe4c997e959cfb28c8609664978df
author Ady Abraham <adyabr@google.com> Tue Oct 13 19:07:23 2020 -0700
committer Ady Abraham <adyabr@google.com> Wed Nov 18 13:30:27 2020 -0800
tree a5f22b610a460033ef656e58df3f3575ffa69d85
parent 939739b86288069814cf73b37133119983779278

SurfaceFlinger: Add DISPLAY_EVENT_FRAME_RATE_OVERRIDE

Add a new event to DisplayEventReceiver that conveys a list
of apps whose frame rates have been overriden.
This event is processed by the DisplayManager to advertise the
new frame rate to the overridden app.

Change-Id: I89fce8b5b4d9db65ec5db7dd2393c384c0fcfd82
Bug: 169271059
Bug: 169271062
Bug: 170503758
Test: manual test using SF backdoor

services/surfaceflinger/Scheduler/Scheduler.h

diff --git a/services/surfaceflinger/Scheduler/Scheduler.h b/services/surfaceflinger/Scheduler/Scheduler.h
index 4c86d26..76e8f57 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.h
+++ b/services/surfaceflinger/Scheduler/Scheduler.h
@@ -79,8 +79,8 @@
                                       std::chrono::nanoseconds readyDuration,
                                       impl::EventThread::InterceptVSyncsCallback);
 
-    sp<IDisplayEventConnection> createDisplayEventConnection(ConnectionHandle,
-                                                             ISurfaceComposer::ConfigChanged);
+    sp<IDisplayEventConnection> createDisplayEventConnection(
+            ConnectionHandle, ISurfaceComposer::EventRegistrationFlags eventRegistration = {});
 
     sp<EventThreadConnection> getEventConnection(ConnectionHandle);
 
@@ -93,6 +93,9 @@
     void onScreenAcquired(ConnectionHandle);
     void onScreenReleased(ConnectionHandle);
 
+    void onFrameRateOverridesChanged(ConnectionHandle, PhysicalDisplayId,
+                                     std::vector<FrameRateOverride>);
+
     // Modifies work duration in the event thread.
     void setDuration(ConnectionHandle, std::chrono::nanoseconds workDuration,
                      std::chrono::nanoseconds readyDuration);
@@ -203,8 +206,8 @@
 
     // Create a connection on the given EventThread.
     ConnectionHandle createConnection(std::unique_ptr<EventThread>);
-    sp<EventThreadConnection> createConnectionInternal(EventThread*,
-                                                       ISurfaceComposer::ConfigChanged);
+    sp<EventThreadConnection> createConnectionInternal(
+            EventThread*, ISurfaceComposer::EventRegistrationFlags eventRegistration = {});
 
     // Update feature state machine to given state when corresponding timer resets or expires.
     void kernelIdleTimerCallback(TimerState);