Backed out changeset b5705fbed44f (bug 1070722) for reftest orange on a CLOSED TREE

gfx/2d/DrawTargetCG.cpp

@@ -136,7 +136,7 @@ InterpolationQualityFromFilter(Filter aFilter)
     case Filter::POINT:
       return kCGInterpolationNone;
     case Filter::GOOD:
-      return kCGInterpolationLow;
+      return kCGInterpolationDefault;
   }
 }
 

modules/libpref/init/all.js

@@ -3669,7 +3669,13 @@ pref("image.cache.timeweight", 500);
 // The default Accept header sent for images loaded over HTTP(S)
 pref("image.http.accept", "image/png,image/*;q=0.8,*/*;q=0.5");
 
+// Whether we do high-quality image downscaling. OS X natively supports
+// high-quality image scaling.
+#ifdef XP_MACOSX
+pref("image.high_quality_downscaling.enabled", false);
+#else
 pref("image.high_quality_downscaling.enabled", true);
+#endif
 
 // The minimum percent downscaling we'll use high-quality downscaling on,
 // interpreted as a floating-point number / 1000.