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

public/platform/WebCompositingReasons.h

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 54 matching lines @@
 const uint64_t CompositingReasonReflectionOfCompositedParent           = static_cast<uint64_t>(1) << 24;
 const uint64_t CompositingReasonRoot                                   = static_cast<uint64_t>(1) << 25;
 const uint64_t CompositingReasonLayerForClip                           = static_cast<uint64_t>(1) << 26;
 const uint64_t CompositingReasonLayerForScrollbar                      = static_cast<uint64_t>(1) << 27;
 const uint64_t CompositingReasonLayerForScrollingContainer             = static_cast<uint64_t>(1) << 28;
 const uint64_t CompositingReasonLayerForForeground                     = static_cast<uint64_t>(1) << 29;
 const uint64_t CompositingReasonLayerForBackground                     = static_cast<uint64_t>(1) << 30;
 const uint64_t CompositingReasonLayerForMask                           = static_cast<uint64_t>(1) << 31;
 const uint64_t CompositingReasonOverflowScrollingParent                = static_cast<uint64_t>(1) << 32;
 const uint64_t CompositingReasonOutOfFlowClipping                      = static_cast<uint64_t>(1) << 33;
+const uint64_t CompositingReasonIsolateCompositedDescendants           = static_cast<uint64_t>(1) << 35;

[jamesr, 2013/08/28 22:24:49]

why does this go from << 33 to << 35?

[rosca, 2013/08/29 15:04:41]

<< 34 is used by CompositingReasonLayerForVideoOverlay in
Source/core/rendering/CompositingReasons.h

 
 typedef uint64_t WebCompositingReasons;
 
 } // namespace WebKit
 
 #endif // WebCompositingReasons_h