From 2d5b8d73929a38b019c6b6276d4a19542b990f0c Mon Sep 17 00:00:00 2001
From: John Reck <jreck@google.com>
Date: Thu, 28 Jul 2016 15:36:11 -0700
Subject: Teach JankTracker about new swap behaviors

Bug: 30440166

If we are using HWC2, there's a change in timing
when in triple buffering with the pipelined offsets.
This changes JankTracker to recognize that and silently
erase that from the total duration

Change-Id: Ib1fd4209070f17dbd2baed707c8cf73fb11c3cf2
---
 libs/hwui/FrameInfo.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'libs/hwui/FrameInfo.cpp')

diff --git a/libs/hwui/FrameInfo.cpp b/libs/hwui/FrameInfo.cpp
index 41e22332d8ed..09b3945c7f55 100644
--- a/libs/hwui/FrameInfo.cpp
+++ b/libs/hwui/FrameInfo.cpp
@@ -35,8 +35,14 @@ const std::string FrameInfoNames[] = {
     "IssueDrawCommandsStart",
     "SwapBuffers",
     "FrameCompleted",
+    "DequeueBufferDuration",
+    "QueueBufferDuration",
 };
 
+static_assert((sizeof(FrameInfoNames)/sizeof(FrameInfoNames[0]))
+        == static_cast<int>(FrameInfoIndex::NumIndexes),
+        "size mismatch: FrameInfoNames doesn't match the enum!");
+
 void FrameInfo::importUiThreadInfo(int64_t* info) {
     memcpy(mFrameInfo, info, UI_THREAD_FRAME_INFO_SIZE * sizeof(int64_t));
 }
-- 
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