--- a/gfx/2d/DrawTargetTiled.cpp
+++ b/gfx/2d/DrawTargetTiled.cpp
@@ -343,16 +343,39 @@ DrawTargetTiled::PushLayer(bool aOpaque,
   }
 
   PushedLayer layer(GetPermitSubpixelAA());
   mPushedLayers.push_back(layer);
   SetPermitSubpixelAA(aOpaque);
 }
 
 void
+DrawTargetTiled::PushLayerWithBlend(bool aOpaque, Float aOpacity,
+                                    SourceSurface* aMask,
+                                    const Matrix& aMaskTransform,
+                                    const IntRect& aBounds,
+                                    bool aCopyBackground,
+                                    CompositionOp aOp)
+{
+  // XXX - not sure this is what we want or whether we want to continue drawing to a larger
+  // intermediate surface, that would require tweaking the code in here a little though.
+  for (size_t i = 0; i < mTiles.size(); i++) {
+    if (!mTiles[i].mClippedOut) {
+      IntRect bounds = aBounds;
+      bounds.MoveBy(-mTiles[i].mTileOrigin);
+      mTiles[i].mDrawTarget->PushLayerWithBlend(aOpaque, aOpacity, aMask, aMaskTransform, bounds, aCopyBackground, aOp);
+    }
+  }
+
+  PushedLayer layer(GetPermitSubpixelAA());
+  mPushedLayers.push_back(layer);
+  SetPermitSubpixelAA(aOpaque);
+}
+
+void
 DrawTargetTiled::PopLayer()
 {
   // XXX - not sure this is what we want or whether we want to continue drawing to a larger
   // intermediate surface, that would require tweaking the code in here a little though.
   for (size_t i = 0; i < mTiles.size(); i++) {
     if (!mTiles[i].mClippedOut) {
       mTiles[i].mDrawTarget->PopLayer();
     }

--- a/gfx/2d/DrawTargetTiled.h
+++ b/gfx/2d/DrawTargetTiled.h
@@ -111,16 +111,22 @@ public:
   virtual void PushClip(const Path *aPath) override;
   virtual void PushClipRect(const Rect &aRect) override;
   virtual void PopClip() override;
   virtual void PushLayer(bool aOpaque, Float aOpacity,
                          SourceSurface* aMask,
                          const Matrix& aMaskTransform,
                          const IntRect& aBounds = IntRect(),
                          bool aCopyBackground = false) override;
+  virtual void PushLayerWithBlend(bool aOpaque, Float aOpacity,
+                         SourceSurface* aMask,
+                         const Matrix& aMaskTransform,
+                         const IntRect& aBounds = IntRect(),
+                         bool aCopyBackground = false,
+                         CompositionOp = CompositionOp::OP_OVER) override;
   virtual void PopLayer() override;
 
 
   virtual void SetTransform(const Matrix &aTransform) override;
 
   virtual void SetPermitSubpixelAA(bool aPermitSubpixelAA) override;
 
   virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,