mix-blend-mode implementation for accelerated layers - blink part

Source/core/rendering/RenderLayerBacking.h

 /*
  * Copyright (C) 2009, 2010, 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 196 matching lines @@
 
     IntSize contentOffsetInCompostingLayer() const;
     // Result is transform origin in pixels.
     FloatPoint3D computeTransformOrigin(const IntRect& borderBox) const;
     // Result is perspective origin in pixels.
     FloatPoint computePerspectiveOrigin(const IntRect& borderBox) const;
 
     void updateOpacity(const RenderStyle*);
     void updateTransform(const RenderStyle*);
     void updateLayerBlendMode(const RenderStyle*);
+    void updateRootForIsolatedGroup();

[shawnsingh, 2013/09/13 10:22:59]

In my opinion this should be called updateIsRootForIsolatedGroup()  (i.e. insert
"Is").

[rosca, 2013/09/19 14:26:54]

Done.

     // Return the opacity value that this layer should use for compositing.
     float compositingOpacity(float rendererOpacity) const;
 
     bool isMainFrameRenderViewLayer() const;
 
     bool paintsBoxDecorations() const;
     bool paintsChildren() const;
 
     // Returns true if this compositing layer has no visible content.
     bool isSimpleContainerCompositingLayer() const;
@@ skipping 42 matching lines @@
     bool m_boundsConstrainedByClipping;
     bool m_isMainFrameRenderViewLayer;
     bool m_requiresOwnBackingStore;
     bool m_canCompositeFilters;
     bool m_backgroundLayerPaintsFixedRootBackground;
 };
 
 } // namespace WebCore
 
 #endif // RenderLayerBacking_h