Bug 1207734 - Part 4.c. Temporary disable async-transform for individual-transform. r=birtles

Since we do not support async-transform for individual-transform yet.

MozReview-Commit-ID: gfOzHpjOnQ

--HG--
extra : source : e7c6e73fa4215ff49194b5dc89de7f3472259f1b
extra : histedit_source : 7526bb5d88ca6cf2bd9cbe5298527d77cfe7d9c1

dom/animation/KeyframeEffectReadOnly.cpp

@@ -1670,6 +1670,12 @@ KeyframeEffectReadOnly::ShouldBlockAsyncTransformAnimations(
     }
   }
 
+  // XXX cku temporarily disable async-animation when this frame has any
+  // individual transforms before bug 1425837 been fixed.
+  if (aFrame->StyleDisplay()->HasIndividualTransform()) {
+    return true;
+  }
+
   return false;
 }
 

layout/style/nsStyleStruct.h

@@ -2803,6 +2803,10 @@ struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleDisplay
            (mWillChangeBitField & NS_STYLE_WILL_CHANGE_TRANSFORM);
   }
 
+  bool HasIndividualTransform() const {
+    return mSpecifiedRotate || mSpecifiedTranslate || mSpecifiedScale;
+  }
+
   bool HasPerspectiveStyle() const {
     return mChildPerspective.GetUnit() == eStyleUnit_Coord;
   }