SF: omit vsync callbacks when screen is OFF
This CL is submitted behind a flag and in still in development.
The flag should not be enabled just yet.
Test: manual
Bug: 331636736
Flag: com.android.graphics.surfaceflinger.flags.no_vsyncs_on_screen_off
Change-Id: Iec9cde3bafb9c112c9ce9beebe6dded4727fc99c
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 31218ed..b9c4368 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -1423,6 +1423,11 @@
// Whether a display should be turned on when initialized
bool mSkipPowerOnForQuiescent;
+ // used for omitting vsync callbacks to apps when the display is not updatable
+ int mRefreshableDisplays GUARDED_BY(mStateLock) = 0;
+ void incRefreshableDisplays() REQUIRES(mStateLock);
+ void decRefreshableDisplays() REQUIRES(mStateLock);
+
frontend::LayerLifecycleManager mLayerLifecycleManager GUARDED_BY(kMainThreadContext);
frontend::LayerHierarchyBuilder mLayerHierarchyBuilder GUARDED_BY(kMainThreadContext);
frontend::LayerSnapshotBuilder mLayerSnapshotBuilder GUARDED_BY(kMainThreadContext);