From 3f2fdd1915642331998700711476508f837ddf8a Mon Sep 17 00:00:00 2001
From: Brad Davis <bdavis@saintandreas.org>
Date: Wed, 4 Jan 2017 13:20:49 -0800
Subject: [PATCH] Expose dropped frames count to stats UI

---
 interface/resources/qml/Stats.qml | 4 ++++
 interface/src/ui/Stats.cpp        | 2 ++
 interface/src/ui/Stats.h          | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/interface/resources/qml/Stats.qml b/interface/resources/qml/Stats.qml
index 6be114694d..895055618b 100644
--- a/interface/resources/qml/Stats.qml
+++ b/interface/resources/qml/Stats.qml
@@ -79,6 +79,10 @@ Item {
                     StatText {
                         text: "Avatar Simrate: " + root.avatarSimrate
                     }
+                    StatText {
+                        text: "Missed Frame Count: " + root.appdropped;
+                        visible: root.appdropped > 0;
+                    }
                     StatText {
                         text: "Packets In/Out: " + root.packetInCount + "/" + root.packetOutCount
                     }
diff --git a/interface/src/ui/Stats.cpp b/interface/src/ui/Stats.cpp
index 07a99d9991..95f31283d0 100644
--- a/interface/src/ui/Stats.cpp
+++ b/interface/src/ui/Stats.cpp
@@ -125,6 +125,8 @@ void Stats::updateStats(bool force) {
     STAT_UPDATE(framerate, qApp->getFps());
     if (qApp->getActiveDisplayPlugin()) {
         auto displayPlugin = qApp->getActiveDisplayPlugin();
+        auto stats = displayPlugin->getHardwareStats();
+        STAT_UPDATE(appdropped, stats["app_dropped_frame_count"].toInt());
         STAT_UPDATE(renderrate, displayPlugin->renderRate());
         STAT_UPDATE(presentrate, displayPlugin->presentRate());
         STAT_UPDATE(presentnewrate, displayPlugin->newFramePresentRate());
diff --git a/interface/src/ui/Stats.h b/interface/src/ui/Stats.h
index 79d522b44e..f0bd1f8ab7 100644
--- a/interface/src/ui/Stats.h
+++ b/interface/src/ui/Stats.h
@@ -39,6 +39,8 @@ class Stats : public QQuickItem {
     // How often the display device reprojecting old frames
     STATS_PROPERTY(float, stutterrate, 0)
 
+    STATS_PROPERTY(int, appdropped, 0)
+
     STATS_PROPERTY(float, presentnewrate, 0)
     STATS_PROPERTY(float, presentdroprate, 0)
     STATS_PROPERTY(int, simrate, 0)
@@ -135,6 +137,7 @@ public slots:
     void forceUpdateStats() { updateStats(true); }
 
 signals:
+    void appdroppedChanged();
     void framerateChanged();
     void expandedChanged();
     void timingExpandedChanged();