cc : Delete LayerImpl::NoteLayerPropertyChangedForSubtree

cc/trees/property_tree.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_TREES_PROPERTY_TREE_H_
 #define CC_TREES_PROPERTY_TREE_H_
 
 #include <stddef.h>
 
 #include <vector>
@@ skipping 240 matching lines @@
   EffectNodeData(const EffectNodeData& other);
 
   float opacity;
   float screen_space_opacity;
 
   bool has_render_surface;
   bool has_copy_request;
   bool has_background_filters;
   bool is_drawn;
   bool has_animated_opacity;
-  // We need to track changes to opacity on the compositor to compute damage
+  // We need to track changes to effects on the compositor to compute damage
   // rect.
-  bool opacity_changed;
+  bool effect_changed;
   int num_copy_requests_in_subtree;
   int transform_id;
   int clip_id;
 
   bool operator==(const EffectNodeData& other) const;
 
   void ToProtobuf(proto::TreeNode* proto) const;
   void FromProtobuf(const proto::TreeNode& proto);
 };
 
@@ skipping 247 matching lines @@
   void ToProtobuf(proto::PropertyTree* proto) const;
   void FromProtobuf(const proto::PropertyTree& proto);
 };
 
 class CC_EXPORT EffectTree final : public PropertyTree<EffectNode> {
  public:
   bool operator==(const EffectTree& other) const;
 
   void UpdateEffects(int id);
 
-  void UpdateOpacityChanged(EffectNode* node, EffectNode* parent_node);
+  void UpdateEffectChanged(EffectNode* node, EffectNode* parent_node);
 
   void ClearCopyRequests();
 
   bool ContributesToDrawnSurface(int id);
 
   void ResetChangeTracking();
 
   void ToProtobuf(proto::PropertyTree* proto) const;
   void FromProtobuf(const proto::PropertyTree& proto);
 
@@ skipping 38 matching lines @@
   EffectTree effect_tree;
   ClipTree clip_tree;
   ScrollTree scroll_tree;
   bool needs_rebuild;
   bool non_root_surfaces_enabled;
   // Change tracking done on property trees needs to be preserved across commits
   // (when they are not rebuild). We cache a global bool which stores whether
   // we did any change tracking so that we can skip copying the change status
   // between property trees when this bool is false.
   bool changed;
+  // We cache a global bool for full tree damages to avoid walking the entire
+  // tree.
+  // TODO(jaydasika): Changes to transform and effects that damage the entire
+  // tree should be tracked by this bool. Currently, they are tracked by the
+  // individual nodes.
+  bool full_tree_damaged;
   int sequence_number;
+  enum ResetFlags { EFFECT_TREE, TRANSFORM_TREE, ALL_TREES };
 
   void SetInnerViewportContainerBoundsDelta(gfx::Vector2dF bounds_delta);
   void SetOuterViewportContainerBoundsDelta(gfx::Vector2dF bounds_delta);
   void SetInnerViewportScrollBoundsDelta(gfx::Vector2dF bounds_delta);
   void PushChangeTrackingTo(PropertyTrees* tree);
+  void ResetAllChangeTracking(ResetFlags flag);
 
   gfx::Vector2dF inner_viewport_container_bounds_delta() const {
     return inner_viewport_container_bounds_delta_;
   }
 
   gfx::Vector2dF outer_viewport_container_bounds_delta() const {
     return outer_viewport_container_bounds_delta_;
   }
 
   gfx::Vector2dF inner_viewport_scroll_bounds_delta() const {
     return inner_viewport_scroll_bounds_delta_;
   }
 
  private:
   gfx::Vector2dF inner_viewport_container_bounds_delta_;
   gfx::Vector2dF outer_viewport_container_bounds_delta_;
   gfx::Vector2dF inner_viewport_scroll_bounds_delta_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_PROPERTY_TREE_H_