Properly run window animations at vsync-sf (1/2)

- Add new Choreographer instance that runs on vsync-sf
- Use this new Choreographer for WindowAnimator, and remove all
the hacks around it

Test: Open apps and close apps, notice no stutter
Test: Screen zoom animations
Test: go/wm-smoke
Bug: 36631902
Change-Id: I988ae25645effc3ac20efa7cb9b68f23444da0d0

1 files changed, 3 insertions, 2 deletions

diff --git a/libs/androidfw/DisplayEventDispatcher.cpp b/libs/androidfw/DisplayEventDispatcher.cpp
index b8ef9ea49293..7708e4340397 100644
--- a/libs/androidfw/DisplayEventDispatcher.cpp
+++ b/libs/androidfw/DisplayEventDispatcher.cpp
@@ -33,8 +33,9 @@ namespace android {
 // using just a few large reads.
 static const size_t EVENT_BUFFER_SIZE = 100;
 
-DisplayEventDispatcher::DisplayEventDispatcher(const sp<Looper>& looper) :
-        mLooper(looper), mWaitingForVsync(false) {
+DisplayEventDispatcher::DisplayEventDispatcher(const sp<Looper>& looper,
+        ISurfaceComposer::VsyncSource vsyncSource) :
+        mLooper(looper), mReceiver(vsyncSource), mWaitingForVsync(false) {
     ALOGV("dispatcher %p ~ Initializing display event dispatcher.", this);
 }