From 3995c4476d498d44607224b8382b29f059488497 Mon Sep 17 00:00:00 2001
From: David Rowe <david@ctrlaltstudio.com>
Date: Fri, 7 Aug 2015 14:38:43 -0700
Subject: [PATCH] Add temporary debug info for tracking down invalid scale
 value assert

---
 interface/src/avatar/Avatar.cpp | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/interface/src/avatar/Avatar.cpp b/interface/src/avatar/Avatar.cpp
index b25eaa4030..a5388208c6 100644
--- a/interface/src/avatar/Avatar.cpp
+++ b/interface/src/avatar/Avatar.cpp
@@ -717,6 +717,29 @@ Transform Avatar::calculateDisplayNameTransform(const ViewFrustum& frustum, floa
     
     // Compute correct scale to apply
     float scale = DESIRED_HIGHT_ON_SCREEN / (fontSize * pixelHeight) * devicePixelRatio;
+#ifdef DEBUG
+    // TODO: Temporary logging to track cause of invalid scale vale; remove once cause has been fixed.
+    if (scale == 0.0f || glm::isnan(scale) || glm::isinf(scale)) {
+        if (scale == 0.0f) {
+            qDebug() << "ASSERT because scale == 0.0f";
+        }
+        if (glm::isnan(scale)) {
+            qDebug() << "ASSERT because isnan(scale)";
+        }
+        if (glm::isinf(scale)) {
+            qDebug() << "ASSERT because isinf(scale)";
+        }
+        qDebug() << "windowSizeY =" << windowSizeY;
+        qDebug() << "p1.y =" << p1.y;
+        qDebug() << "p1.w =" << p1.w;
+        qDebug() << "p0.y =" << p0.y;
+        qDebug() << "p0.w =" << p0.w;
+        qDebug() << "qApp->getDevicePixelRatio() =" << qApp->getDevicePixelRatio();
+        qDebug() << "fontSize =" << fontSize;
+        qDebug() << "pixelHeight =" << pixelHeight;
+        qDebug() << "devicePixelRatio =" << devicePixelRatio;
+    }
+#endif
     
     // Compute pixel alignment offset
     float clipToPix = 0.5f * windowSizeY / p1.w; // Got from clip to pixel coordinates