From 78b0944e4bf0be0605dfdc4c11ae903111d5112f Mon Sep 17 00:00:00 2001
From: Markus Stange <mstange@themasta.com>
Date: Mon, 12 May 2014 21:37:21 +0200
Subject: [PATCH] Bug 1008301 - Add invalidation logging for layer scale change
 invalidations. r=roc

---
 layout/base/FrameLayerBuilder.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/layout/base/FrameLayerBuilder.cpp b/layout/base/FrameLayerBuilder.cpp
index 431d63753fac..eed0cea77f1b 100644
--- a/layout/base/FrameLayerBuilder.cpp
+++ b/layout/base/FrameLayerBuilder.cpp
@@ -1472,6 +1472,11 @@ ContainerState::CreateOrRecycleThebesLayer(const nsIFrame* aAnimatedGeometryRoot
     if (!FuzzyEqual(data->mXScale, mParameters.mXScale, 0.00001f) ||
         !FuzzyEqual(data->mYScale, mParameters.mYScale, 0.00001f) ||
         data->mAppUnitsPerDevPixel != mAppUnitsPerDevPixel) {
+#ifdef MOZ_DUMP_PAINTING
+    if (nsLayoutUtils::InvalidationDebuggingIsEnabled()) {
+      printf_stderr("Recycled layer %p changed scale\n", layer.get());
+    }
+#endif
       InvalidateEntireThebesLayer(layer, aAnimatedGeometryRoot);
 #ifndef MOZ_ANDROID_OMTC
       didResetScrollPositionForLayerPixelAlignment = true;