Compute if a layer is drawn without LayerTree hierarchy

cc/layers/layer_unittest.cc

 // Copyright 2011 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 <stddef.h>
 
 #include "base/thread_task_runner_handle.h"
 #include "cc/animation/animation_host.h"
@@ skipping 110 matching lines @@
     EXPECT_EQ(src->transform_origin_, dest->transform_origin_);
     EXPECT_EQ(src->background_color_, dest->background_color_);
     EXPECT_EQ(src->bounds_, dest->bounds_);
     EXPECT_EQ(src->transform_tree_index_, dest->transform_tree_index_);
     EXPECT_EQ(src->effect_tree_index_, dest->effect_tree_index_);
     EXPECT_EQ(src->clip_tree_index_, dest->clip_tree_index_);
     EXPECT_EQ(src->offset_to_transform_parent_,
               dest->offset_to_transform_parent_);
     EXPECT_EQ(src->double_sided_, dest->double_sided_);
     EXPECT_EQ(src->draws_content_, dest->draws_content_);
-    EXPECT_EQ(src->hide_layer_and_subtree_, dest->hide_layer_and_subtree_);
     EXPECT_EQ(src->has_render_surface_, dest->has_render_surface_);
     EXPECT_EQ(src->masks_to_bounds_, dest->masks_to_bounds_);
     EXPECT_EQ(src->should_scroll_on_main_thread_,
               dest->should_scroll_on_main_thread_);
     EXPECT_EQ(src->have_wheel_event_handlers_,
               dest->have_wheel_event_handlers_);
     EXPECT_EQ(src->have_scroll_event_handlers_,
               dest->have_scroll_event_handlers_);
     EXPECT_EQ(src->non_fast_scrollable_region_,
               dest->non_fast_scrollable_region_);
@@ skipping 97 matching lines @@
     scoped_refptr<Layer> layer = Layer::Create(LayerSettings());
     layer->transform_origin_ = gfx::Point3F(3.0f, 1.0f, 4.0f);
     layer->background_color_ = SK_ColorRED;
     layer->bounds_ = gfx::Size(3, 14);
     layer->transform_tree_index_ = -1;
     layer->effect_tree_index_ = -1;
     layer->clip_tree_index_ = 71;
     layer->offset_to_transform_parent_ = gfx::Vector2dF(3.14f, 1.618f);
     layer->double_sided_ = true;
     layer->draws_content_ = true;
-    layer->hide_layer_and_subtree_ = false;
     layer->has_render_surface_ = false;
     layer->masks_to_bounds_ = true;
     layer->should_scroll_on_main_thread_ = false;
     layer->have_wheel_event_handlers_ = true;
     layer->have_scroll_event_handlers_ = false;
     layer->non_fast_scrollable_region_ = Region(gfx::Rect(5, 1, 14, 3));
     layer->touch_event_handler_region_ = Region(gfx::Rect(3, 14, 1, 5));
     layer->scroll_blocks_on_ = SCROLL_BLOCKS_ON_NONE;
     layer->contents_opaque_ = true;
     layer->opacity_ = 1.f;
@@ skipping 29 matching lines @@
     scoped_refptr<Layer> layer = Layer::Create(LayerSettings());
     layer->transform_origin_ = gfx::Point3F(3.0f, 1.0f, 4.0f);
     layer->background_color_ = SK_ColorRED;
     layer->bounds_ = gfx::Size(3, 14);
     layer->transform_tree_index_ = 39;
     layer->effect_tree_index_ = 17;
     layer->clip_tree_index_ = 71;
     layer->offset_to_transform_parent_ = gfx::Vector2dF(3.14f, 1.618f);
     layer->double_sided_ = !layer->double_sided_;
     layer->draws_content_ = !layer->draws_content_;
-    layer->hide_layer_and_subtree_ = !layer->hide_layer_and_subtree_;
     layer->has_render_surface_ = !layer->has_render_surface_;
     layer->masks_to_bounds_ = !layer->masks_to_bounds_;
     layer->should_scroll_on_main_thread_ =
         !layer->should_scroll_on_main_thread_;
     layer->have_wheel_event_handlers_ = !layer->have_wheel_event_handlers_;
     layer->have_scroll_event_handlers_ = !layer->have_scroll_event_handlers_;
     layer->non_fast_scrollable_region_ = Region(gfx::Rect(5, 1, 14, 3));
     layer->touch_event_handler_region_ = Region(gfx::Rect(3, 14, 1, 5));
     layer->scroll_blocks_on_ = SCROLL_BLOCKS_ON_WHEEL_EVENT;
     layer->contents_opaque_ = !layer->contents_opaque_;
@@ skipping 661 matching lines @@
   EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetNonFastScrollableRegion(
       Region(gfx::Rect(1, 1, 2, 2))));
   EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetHaveWheelEventHandlers(true));
   EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetHaveScrollEventHandlers(true));
   EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetTransform(
       gfx::Transform(0.0, 0.0, 0.0, 0.0, 0.0, 0.0)));
   EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetDoubleSided(false));
   EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetTouchEventHandlerRegion(
       gfx::Rect(10, 10)));
   EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetForceRenderSurface(true));
-  EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetHideLayerAndSubtree(true));
   EXPECT_SET_NEEDS_COMMIT(1, test_layer->SetElementId(2));
   EXPECT_SET_NEEDS_COMMIT(
       1, test_layer->SetMutableProperties(kMutablePropertyTransform));
 
   EXPECT_SET_NEEDS_FULL_TREE_SYNC(1, test_layer->SetMaskLayer(
       dummy_layer1.get()));
   EXPECT_SET_NEEDS_FULL_TREE_SYNC(1, test_layer->SetReplicaLayer(
       dummy_layer2.get()));
 
   // The above tests should not have caused a change to the needs_display flag.
@@ skipping 1136 matching lines @@
   EXPECT_EQ(kMutablePropertyNone, impl_layer->mutable_properties());
 
   test_layer->PushPropertiesTo(impl_layer.get());
 
   EXPECT_EQ(2lu, impl_layer->element_id());
   EXPECT_EQ(kMutablePropertyTransform, impl_layer->mutable_properties());
 }
 
 }  // namespace
 }  // namespace cc