From a8a845cc0c8992745bcf9e93d99ea174de82fe31 Mon Sep 17 00:00:00 2001
From: Seth Fowler <mark.seth.fowler@gmail.com>
Date: Thu, 30 Jul 2015 19:48:22 -0700
Subject: [PATCH] Bug 1189593 - Only use SSE2 in image::Downscaler if we're
 running on an SSE2-capable machine. r=tn

---
 image/Downscaler.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/image/Downscaler.cpp b/image/Downscaler.cpp
index 986f62158ad..d1fc0512fe9 100644
--- a/image/Downscaler.cpp
+++ b/image/Downscaler.cpp
@@ -10,6 +10,7 @@
 #include <ctime>
 #include "gfxPrefs.h"
 #include "image_operations.h"
+#include "mozilla/SSE.h"
 #include "convolver.h"
 #include "skia/include/core/SkTypes.h"
 
@@ -159,7 +160,7 @@ Downscaler::CommitRow()
   if (mCurrentInLine == inLineToRead) {
     skia::ConvolveHorizontally(mRowBuffer.get(), *mXFilter,
                                mWindow[mLinesInBuffer++], mHasAlpha,
-                               /* use_sse2 = */ true);
+                               supports_sse2());
   }
 
   MOZ_ASSERT(mCurrentOutLine < mTargetSize.height,
@@ -226,7 +227,7 @@ Downscaler::DownscaleInputLine()
     &mOutputBuffer[mCurrentOutLine * mTargetSize.width * sizeof(uint32_t)];
   skia::ConvolveVertically(static_cast<const FilterValue*>(filterValues),
                            filterLength, mWindow.get(), mXFilter->num_values(),
-                           outputLine, mHasAlpha, /* use_sse2 = */ true);
+                           outputLine, mHasAlpha, supports_sse2());
 
   mCurrentOutLine += 1;