Compute if a layer is clipped outside CalcDrawProps

cc/layers/layer.cc

 // Copyright 2010 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.
 
 #include "cc/layers/layer.h"
 
 #include <algorithm>
 
 #include "base/atomic_sequence_num.h"
 #include "base/location.h"
@@ skipping 40 matching lines @@
       scroll_clip_layer_id_(INVALID_ID),
       num_descendants_that_draw_content_(0),
       transform_tree_index_(-1),
       opacity_tree_index_(-1),
       clip_tree_index_(-1),
       property_tree_sequence_number_(-1),
       num_layer_or_descendants_with_copy_request_(0),
       num_layer_or_descendants_with_input_handler_(0),
       num_children_with_scroll_parent_(0),
       should_flatten_transform_from_property_tree_(false),
+      is_clipped_(false),
       should_scroll_on_main_thread_(false),
       have_wheel_event_handlers_(false),
       have_scroll_event_handlers_(false),
       user_scrollable_horizontal_(true),
       user_scrollable_vertical_(true),
       is_root_for_isolated_group_(false),
       is_container_for_fixed_position_layers_(false),
       is_drawable_(false),
       draws_content_(false),
       hide_layer_and_subtree_(false),
@@ skipping 1137 matching lines @@
   DCHECK(!(OpacityIsAnimating() && layer->OpacityIsAnimatingOnImplOnly()));
   layer->SetBlendMode(blend_mode_);
   layer->SetIsRootForIsolatedGroup(is_root_for_isolated_group_);
   layer->SetPosition(position_);
   layer->SetIsContainerForFixedPositionLayers(
       IsContainerForFixedPositionLayers());
   layer->SetPositionConstraint(position_constraint_);
   layer->SetShouldFlattenTransform(should_flatten_transform_);
   layer->set_should_flatten_transform_from_property_tree(
       should_flatten_transform_from_property_tree_);
+  layer->set_is_clipped(is_clipped_);
   layer->SetUseParentBackfaceVisibility(use_parent_backface_visibility_);
   if (!layer->TransformIsAnimatingOnImplOnly() && !TransformIsAnimating())
     layer->SetTransformAndInvertibility(transform_, transform_is_invertible_);
   DCHECK(!(TransformIsAnimating() && layer->TransformIsAnimatingOnImplOnly()));
   layer->Set3dSortingContextId(sorting_context_id_);
   layer->SetNumDescendantsThatDrawContent(num_descendants_that_draw_content_);
 
   layer->SetScrollClipLayer(scroll_clip_layer_id_);
   layer->set_user_scrollable_horizontal(user_scrollable_horizontal_);
   layer->set_user_scrollable_vertical(user_scrollable_vertical_);
@@ skipping 181 matching lines @@
     return nullptr;
 }
 
 void Layer::SetHasRenderSurface(bool has_render_surface) {
   if (has_render_surface_ == has_render_surface)
     return;
   has_render_surface_ = has_render_surface;
   // We do not need SetNeedsCommit here, since this is only ever called
   // during a commit, from CalculateDrawProperties.
   SetNeedsPushProperties();
+  layer_tree_host_->property_trees()->needs_rebuild = true;
 }
 
 void Layer::CreateRenderSurface() {
   DCHECK(!render_surface_);
   render_surface_ = make_scoped_ptr(new RenderSurface(this));
 }
 
 void Layer::ClearRenderSurface() {
   render_surface_ = nullptr;
 }
@@ skipping 230 matching lines @@
           ? layer_tree_host()->meta_information_sequence_number()
           : 0;
 }
 
 bool Layer::sorted_for_recursion() {
   return sorted_for_recursion_tracker_ ==
          layer_tree_host()->meta_information_sequence_number();
 }
 
 }  // namespace cc