| // 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/trees/tree_synchronizer.h" |
| |
| #include <stddef.h> |
| |
| #include <algorithm> |
| #include <set> |
| #include <vector> |
| |
| #include "base/format_macros.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/strings/stringprintf.h" |
| #include "cc/animation/animation_host.h" |
| #include "cc/layers/layer.h" |
| #include "cc/layers/layer_impl.h" |
| #include "cc/test/animation_test_common.h" |
| #include "cc/test/fake_impl_task_runner_provider.h" |
| #include "cc/test/fake_layer_tree_host.h" |
| #include "cc/test/fake_rendering_stats_instrumentation.h" |
| #include "cc/test/stub_layer_tree_host_single_thread_client.h" |
| #include "cc/test/test_task_graph_runner.h" |
| #include "cc/trees/effect_node.h" |
| #include "cc/trees/layer_tree_host_common.h" |
| #include "cc/trees/single_thread_proxy.h" |
| #include "cc/trees/task_runner_provider.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace cc { |
| namespace { |
| |
| class MockLayerImpl : public LayerImpl { |
| public: |
| static std::unique_ptr<MockLayerImpl> Create(LayerTreeImpl* tree_impl, |
| int layer_id) { |
| return base::WrapUnique(new MockLayerImpl(tree_impl, layer_id)); |
| } |
| ~MockLayerImpl() override { |
| if (layer_impl_destruction_list_) |
| layer_impl_destruction_list_->push_back(id()); |
| } |
| |
| void SetLayerImplDestructionList(std::vector<int>* list) { |
| layer_impl_destruction_list_ = list; |
| } |
| |
| private: |
| MockLayerImpl(LayerTreeImpl* tree_impl, int layer_id) |
| : LayerImpl(tree_impl, layer_id), layer_impl_destruction_list_(NULL) {} |
| |
| std::vector<int>* layer_impl_destruction_list_; |
| }; |
| |
| class MockLayer : public Layer { |
| public: |
| static scoped_refptr<MockLayer> Create( |
| std::vector<int>* layer_impl_destruction_list) { |
| return make_scoped_refptr(new MockLayer(layer_impl_destruction_list)); |
| } |
| |
| std::unique_ptr<LayerImpl> CreateLayerImpl( |
| LayerTreeImpl* tree_impl) override { |
| return MockLayerImpl::Create(tree_impl, id()); |
| } |
| |
| void PushPropertiesTo(LayerImpl* layer_impl) override { |
| Layer::PushPropertiesTo(layer_impl); |
| |
| MockLayerImpl* mock_layer_impl = static_cast<MockLayerImpl*>(layer_impl); |
| mock_layer_impl->SetLayerImplDestructionList(layer_impl_destruction_list_); |
| } |
| |
| private: |
| explicit MockLayer(std::vector<int>* layer_impl_destruction_list) |
| : layer_impl_destruction_list_(layer_impl_destruction_list) {} |
| ~MockLayer() override {} |
| |
| std::vector<int>* layer_impl_destruction_list_; |
| }; |
| |
| void ExpectTreesAreIdentical(Layer* root_layer, |
| LayerImpl* root_layer_impl, |
| LayerTreeImpl* tree_impl) { |
| auto layer_iter = root_layer->GetLayerTree()->begin(); |
| auto layer_impl_iter = tree_impl->begin(); |
| for (; layer_iter != root_layer->GetLayerTree()->end(); |
| ++layer_iter, ++layer_impl_iter) { |
| Layer* layer = *layer_iter; |
| LayerImpl* layer_impl = *layer_impl_iter; |
| ASSERT_TRUE(layer); |
| ASSERT_TRUE(layer_impl); |
| |
| EXPECT_EQ(layer->id(), layer_impl->id()); |
| EXPECT_EQ(layer_impl->layer_tree_impl(), tree_impl); |
| |
| EXPECT_EQ(layer->non_fast_scrollable_region(), |
| layer_impl->non_fast_scrollable_region()); |
| |
| const EffectTree& effect_tree = tree_impl->property_trees()->effect_tree; |
| if (layer->mask_layer()) { |
| SCOPED_TRACE("mask_layer"); |
| int mask_layer_id = layer->mask_layer()->id(); |
| EXPECT_TRUE(tree_impl->LayerById(mask_layer_id)); |
| EXPECT_EQ( |
| mask_layer_id, |
| effect_tree.Node(layer_impl->effect_tree_index())->mask_layer_id); |
| } |
| |
| const Layer* layer_scroll_parent = layer->scroll_parent(); |
| |
| if (layer_scroll_parent) { |
| ASSERT_TRUE(layer_scroll_parent->scroll_children()->find(layer) != |
| layer_scroll_parent->scroll_children()->end()); |
| } |
| |
| const Layer* layer_clip_parent = layer->clip_parent(); |
| |
| if (layer_clip_parent) { |
| const std::set<Layer*>* clip_children = |
| layer_clip_parent->clip_children(); |
| ASSERT_TRUE(clip_children->find(layer) != clip_children->end()); |
| } |
| } |
| } |
| |
| class TreeSynchronizerTest : public testing::Test { |
| protected: |
| TreeSynchronizerTest() |
| : animation_host_(AnimationHost::CreateForTesting(ThreadInstance::MAIN)), |
| host_(FakeLayerTreeHost::Create(&client_, |
| &task_graph_runner_, |
| animation_host_.get())) {} |
| |
| bool is_equal(ScrollTree::ScrollOffsetMap map, |
| ScrollTree::ScrollOffsetMap other) { |
| if (map.size() != other.size()) |
| return false; |
| for (auto& map_entry : map) { |
| if (other.find(map_entry.first) == other.end()) |
| return false; |
| SyncedScrollOffset& from_map = *map_entry.second.get(); |
| SyncedScrollOffset& from_other = *other[map_entry.first].get(); |
| if (from_map.PendingBase() != from_other.PendingBase() || |
| from_map.ActiveBase() != from_other.ActiveBase() || |
| from_map.Delta() != from_other.Delta() || |
| from_map.PendingDelta().get() != from_other.PendingDelta().get()) |
| return false; |
| } |
| return true; |
| } |
| |
| FakeLayerTreeHostClient client_; |
| StubLayerTreeHostSingleThreadClient single_thread_client_; |
| TestTaskGraphRunner task_graph_runner_; |
| std::unique_ptr<AnimationHost> animation_host_; |
| std::unique_ptr<FakeLayerTreeHost> host_; |
| }; |
| |
| // Attempts to synchronizes a null tree. This should not crash, and should |
| // return a null tree. |
| TEST_F(TreeSynchronizerTest, SyncNullTree) { |
| TreeSynchronizer::SynchronizeTrees(static_cast<Layer*>(NULL), |
| host_->active_tree()); |
| EXPECT_TRUE(!host_->active_tree()->root_layer_for_testing()); |
| } |
| |
| // Constructs a very simple tree and synchronizes it without trying to reuse any |
| // preexisting layers. |
| TEST_F(TreeSynchronizerTest, SyncSimpleTreeFromEmpty) { |
| scoped_refptr<Layer> layer_tree_root = Layer::Create(); |
| layer_tree_root->AddChild(Layer::Create()); |
| layer_tree_root->AddChild(Layer::Create()); |
| |
| host_->SetRootLayer(layer_tree_root); |
| |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| host_->active_tree()); |
| |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| host_->active_tree()->root_layer_for_testing(), |
| host_->active_tree()); |
| } |
| |
| // Constructs a very simple tree and synchronizes it attempting to reuse some |
| // layers |
| TEST_F(TreeSynchronizerTest, SyncSimpleTreeReusingLayers) { |
| std::vector<int> layer_impl_destruction_list; |
| |
| scoped_refptr<Layer> layer_tree_root = |
| MockLayer::Create(&layer_impl_destruction_list); |
| layer_tree_root->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| layer_tree_root->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| int second_layer_impl_id = layer_tree_root->children()[1]->id(); |
| |
| host_->SetRootLayer(layer_tree_root); |
| |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| host_->active_tree()); |
| LayerImpl* layer_impl_tree_root = |
| host_->active_tree()->root_layer_for_testing(); |
| ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root, |
| host_->active_tree()); |
| |
| // We have to push properties to pick up the destruction list pointer. |
| TreeSynchronizer::PushLayerProperties(layer_tree_root->GetLayerTree(), |
| host_->active_tree()); |
| |
| // Add a new layer to the Layer side |
| layer_tree_root->children()[0]->AddChild( |
| MockLayer::Create(&layer_impl_destruction_list)); |
| // Remove one. |
| layer_tree_root->children()[1]->RemoveFromParent(); |
| |
| // Synchronize again. After the sync the trees should be equivalent and we |
| // should have created and destroyed one LayerImpl. |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| host_->active_tree()); |
| layer_impl_tree_root = host_->active_tree()->root_layer_for_testing(); |
| |
| ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root, |
| host_->active_tree()); |
| |
| ASSERT_EQ(1u, layer_impl_destruction_list.size()); |
| EXPECT_EQ(second_layer_impl_id, layer_impl_destruction_list[0]); |
| |
| host_->active_tree()->DetachLayers(); |
| } |
| |
| // Constructs a very simple tree and checks that a stacking-order change is |
| // tracked properly. |
| TEST_F(TreeSynchronizerTest, SyncSimpleTreeAndTrackStackingOrderChange) { |
| std::vector<int> layer_impl_destruction_list; |
| |
| // Set up the tree and sync once. child2 needs to be synced here, too, even |
| // though we remove it to set up the intended scenario. |
| scoped_refptr<Layer> layer_tree_root = |
| MockLayer::Create(&layer_impl_destruction_list); |
| scoped_refptr<Layer> child2 = MockLayer::Create(&layer_impl_destruction_list); |
| layer_tree_root->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| layer_tree_root->AddChild(child2); |
| int child1_id = layer_tree_root->children()[0]->id(); |
| int child2_id = layer_tree_root->children()[1]->id(); |
| |
| host_->SetRootLayer(layer_tree_root); |
| |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| host_->active_tree()); |
| LayerImpl* layer_impl_tree_root = |
| host_->active_tree()->root_layer_for_testing(); |
| ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root, |
| host_->active_tree()); |
| |
| // We have to push properties to pick up the destruction list pointer. |
| TreeSynchronizer::PushLayerProperties(layer_tree_root->GetLayerTree(), |
| host_->active_tree()); |
| |
| host_->active_tree()->ResetAllChangeTracking(); |
| |
| // re-insert the layer and sync again. |
| child2->RemoveFromParent(); |
| layer_tree_root->AddChild(child2); |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| host_->active_tree()); |
| layer_impl_tree_root = host_->active_tree()->root_layer_for_testing(); |
| ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root, |
| host_->active_tree()); |
| |
| TreeSynchronizer::PushLayerProperties(layer_tree_root->GetLayerTree(), |
| host_->active_tree()); |
| |
| // Check that the impl thread properly tracked the change. |
| EXPECT_FALSE(layer_impl_tree_root->LayerPropertyChanged()); |
| EXPECT_FALSE( |
| host_->active_tree()->LayerById(child1_id)->LayerPropertyChanged()); |
| EXPECT_TRUE( |
| host_->active_tree()->LayerById(child2_id)->LayerPropertyChanged()); |
| host_->active_tree()->DetachLayers(); |
| } |
| |
| TEST_F(TreeSynchronizerTest, SyncSimpleTreeAndProperties) { |
| scoped_refptr<Layer> layer_tree_root = Layer::Create(); |
| layer_tree_root->AddChild(Layer::Create()); |
| layer_tree_root->AddChild(Layer::Create()); |
| |
| host_->SetRootLayer(layer_tree_root); |
| |
| // Pick some random properties to set. The values are not important, we're |
| // just testing that at least some properties are making it through. |
| gfx::PointF root_position = gfx::PointF(2.3f, 7.4f); |
| layer_tree_root->SetPosition(root_position); |
| |
| gfx::Size second_child_bounds = gfx::Size(25, 53); |
| layer_tree_root->children()[1]->SetBounds(second_child_bounds); |
| layer_tree_root->children()[1]->SavePaintProperties(); |
| int second_child_id = layer_tree_root->children()[1]->id(); |
| |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| host_->active_tree()); |
| LayerImpl* layer_impl_tree_root = |
| host_->active_tree()->root_layer_for_testing(); |
| ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root, |
| host_->active_tree()); |
| |
| TreeSynchronizer::PushLayerProperties(layer_tree_root->GetLayerTree(), |
| host_->active_tree()); |
| |
| // Check that the property values we set on the Layer tree are reflected in |
| // the LayerImpl tree. |
| gfx::PointF root_layer_impl_position = layer_impl_tree_root->position(); |
| EXPECT_EQ(root_position.x(), root_layer_impl_position.x()); |
| EXPECT_EQ(root_position.y(), root_layer_impl_position.y()); |
| |
| gfx::Size second_layer_impl_child_bounds = |
| layer_impl_tree_root->layer_tree_impl() |
| ->LayerById(second_child_id) |
| ->bounds(); |
| EXPECT_EQ(second_child_bounds.width(), |
| second_layer_impl_child_bounds.width()); |
| EXPECT_EQ(second_child_bounds.height(), |
| second_layer_impl_child_bounds.height()); |
| } |
| |
| TEST_F(TreeSynchronizerTest, ReuseLayerImplsAfterStructuralChange) { |
| std::vector<int> layer_impl_destruction_list; |
| |
| // Set up a tree with this sort of structure: |
| // root --- A --- B ---+--- C |
| // | |
| // +--- D |
| scoped_refptr<Layer> layer_tree_root = |
| MockLayer::Create(&layer_impl_destruction_list); |
| layer_tree_root->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| |
| scoped_refptr<Layer> layer_a = layer_tree_root->children()[0]; |
| layer_a->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| |
| scoped_refptr<Layer> layer_b = layer_a->children()[0]; |
| layer_b->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| |
| scoped_refptr<Layer> layer_c = layer_b->children()[0]; |
| layer_b->AddChild(MockLayer::Create(&layer_impl_destruction_list)); |
| scoped_refptr<Layer> layer_d = layer_b->children()[1]; |
| |
| host_->SetRootLayer(layer_tree_root); |
| |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| host_->active_tree()); |
| LayerImpl* layer_impl_tree_root = |
| host_->active_tree()->root_layer_for_testing(); |
| ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root, |
| host_->active_tree()); |
| |
| // We have to push properties to pick up the destruction list pointer. |
| TreeSynchronizer::PushLayerProperties(layer_tree_root->GetLayerTree(), |
| host_->active_tree()); |
| |
| // Now restructure the tree to look like this: |
| // root --- D ---+--- A |
| // | |
| // +--- C --- B |
| layer_tree_root->RemoveAllChildren(); |
| layer_d->RemoveAllChildren(); |
| layer_tree_root->AddChild(layer_d); |
| layer_a->RemoveAllChildren(); |
| layer_d->AddChild(layer_a); |
| layer_c->RemoveAllChildren(); |
| layer_d->AddChild(layer_c); |
| layer_b->RemoveAllChildren(); |
| layer_c->AddChild(layer_b); |
| |
| // After another synchronize our trees should match and we should not have |
| // destroyed any LayerImpls |
| TreeSynchronizer::SynchronizeTrees(layer_tree_root.get(), |
| host_->active_tree()); |
| layer_impl_tree_root = host_->active_tree()->root_layer_for_testing(); |
| ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root, |
| host_->active_tree()); |
| |
| EXPECT_EQ(0u, layer_impl_destruction_list.size()); |
| |
| host_->active_tree()->DetachLayers(); |
| } |
| |
| // Constructs a very simple tree, synchronizes it, then synchronizes to a |
| // totally new tree. All layers from the old tree should be deleted. |
| TEST_F(TreeSynchronizerTest, SyncSimpleTreeThenDestroy) { |
| std::vector<int> layer_impl_destruction_list; |
| |
| scoped_refptr<Layer> old_layer_tree_root = |
| MockLayer::Create(&layer_impl_destruction_list); |
| old_layer_tree_root->AddChild( |
| MockLayer::Create(&layer_impl_destruction_list)); |
| old_layer_tree_root->AddChild( |
| MockLayer::Create(&layer_impl_destruction_list)); |
| |
| host_->SetRootLayer(old_layer_tree_root); |
| |
| int old_tree_root_layer_id = old_layer_tree_root->id(); |
| int old_tree_first_child_layer_id = old_layer_tree_root->children()[0]->id(); |
| int old_tree_second_child_layer_id = old_layer_tree_root->children()[1]->id(); |
| |
| TreeSynchronizer::SynchronizeTrees(old_layer_tree_root.get(), |
| host_->active_tree()); |
| LayerImpl* layer_impl_tree_root = |
| host_->active_tree()->root_layer_for_testing(); |
| ExpectTreesAreIdentical(old_layer_tree_root.get(), layer_impl_tree_root, |
| host_->active_tree()); |
| |
| // We have to push properties to pick up the destruction list pointer. |
| TreeSynchronizer::PushLayerProperties(old_layer_tree_root->GetLayerTree(), |
| host_->active_tree()); |
| |
| // Remove all children on the Layer side. |
| old_layer_tree_root->RemoveAllChildren(); |
| |
| // Synchronize again. After the sync all LayerImpls from the old tree should |
| // be deleted. |
| scoped_refptr<Layer> new_layer_tree_root = Layer::Create(); |
| host_->SetRootLayer(new_layer_tree_root); |
| |
| TreeSynchronizer::SynchronizeTrees(new_layer_tree_root.get(), |
| host_->active_tree()); |
| layer_impl_tree_root = host_->active_tree()->root_layer_for_testing(); |
| ExpectTreesAreIdentical(new_layer_tree_root.get(), layer_impl_tree_root, |
| host_->active_tree()); |
| |
| ASSERT_EQ(3u, layer_impl_destruction_list.size()); |
| |
| EXPECT_TRUE(std::find(layer_impl_destruction_list.begin(), |
| layer_impl_destruction_list.end(), |
| old_tree_root_layer_id) != |
| layer_impl_destruction_list.end()); |
| EXPECT_TRUE(std::find(layer_impl_destruction_list.begin(), |
| layer_impl_destruction_list.end(), |
| old_tree_first_child_layer_id) != |
| layer_impl_destruction_list.end()); |
| EXPECT_TRUE(std::find(layer_impl_destruction_list.begin(), |
| layer_impl_destruction_list.end(), |
| old_tree_second_child_layer_id) != |
| layer_impl_destruction_list.end()); |
| } |
| |
| // Constructs+syncs a tree with mask layer. |
| TEST_F(TreeSynchronizerTest, SyncMaskLayer) { |
| scoped_refptr<Layer> layer_tree_root = Layer::Create(); |
| layer_tree_root->AddChild(Layer::Create()); |
| layer_tree_root->AddChild(Layer::Create()); |
| layer_tree_root->AddChild(Layer::Create()); |
| |
| // First child gets a mask layer. |
| scoped_refptr<Layer> mask_layer = Layer::Create(); |
| layer_tree_root->children()[0]->SetMaskLayer(mask_layer.get()); |
| |
| host_->SetRootLayer(layer_tree_root); |
| host_->BuildPropertyTreesForTesting(); |
| host_->CommitAndCreateLayerImplTree(); |
| |
| LayerImpl* layer_impl_tree_root = |
| host_->active_tree()->root_layer_for_testing(); |
| ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root, |
| host_->active_tree()); |
| |
| // Remove the mask layer. |
| layer_tree_root->children()[0]->SetMaskLayer(NULL); |
| host_->BuildPropertyTreesForTesting(); |
| host_->CommitAndCreateLayerImplTree(); |
| |
| layer_impl_tree_root = host_->active_tree()->root_layer_for_testing(); |
| ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root, |
| host_->active_tree()); |
| |
| layer_impl_tree_root = host_->active_tree()->root_layer_for_testing(); |
| ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root, |
| host_->active_tree()); |
| |
| layer_impl_tree_root = host_->active_tree()->root_layer_for_testing(); |
| ExpectTreesAreIdentical(layer_tree_root.get(), layer_impl_tree_root, |
| host_->active_tree()); |
| |
| host_->active_tree()->DetachLayers(); |
| } |
| |
| TEST_F(TreeSynchronizerTest, SynchronizeCurrentlyScrollingNode) { |
| LayerTreeSettings settings; |
| FakeLayerTreeHostImplClient client; |
| FakeImplTaskRunnerProvider task_runner_provider; |
| FakeRenderingStatsInstrumentation stats_instrumentation; |
| TestTaskGraphRunner task_graph_runner; |
| FakeLayerTreeHostImpl* host_impl = host_->host_impl(); |
| host_impl->CreatePendingTree(); |
| |
| scoped_refptr<Layer> layer_tree_root = Layer::Create(); |
| scoped_refptr<Layer> scroll_clip_layer = Layer::Create(); |
| scoped_refptr<Layer> scroll_layer = Layer::Create(); |
| scoped_refptr<Layer> transient_scroll_clip_layer = Layer::Create(); |
| scoped_refptr<Layer> transient_scroll_layer = Layer::Create(); |
| |
| layer_tree_root->AddChild(transient_scroll_clip_layer); |
| transient_scroll_clip_layer->AddChild(transient_scroll_layer); |
| transient_scroll_layer->AddChild(scroll_clip_layer); |
| scroll_clip_layer->AddChild(scroll_layer); |
| |
| transient_scroll_layer->SetScrollClipLayerId( |
| transient_scroll_clip_layer->id()); |
| scroll_layer->SetScrollClipLayerId(scroll_clip_layer->id()); |
| host_->SetRootLayer(layer_tree_root); |
| host_->BuildPropertyTreesForTesting(); |
| host_->CommitAndCreatePendingTree(); |
| host_impl->ActivateSyncTree(); |
| |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| host_impl->active_tree()->root_layer_for_testing(), |
| host_impl->active_tree()); |
| |
| host_impl->active_tree()->SetCurrentlyScrollingLayer( |
| host_impl->active_tree()->LayerById(scroll_layer->id())); |
| transient_scroll_layer->SetScrollClipLayerId(Layer::INVALID_ID); |
| host_->BuildPropertyTreesForTesting(); |
| |
| host_impl->CreatePendingTree(); |
| host_->CommitAndCreatePendingTree(); |
| host_impl->ActivateSyncTree(); |
| |
| EXPECT_EQ(scroll_layer->id(), |
| host_impl->active_tree()->CurrentlyScrollingLayer()->id()); |
| } |
| |
| TEST_F(TreeSynchronizerTest, SynchronizeScrollTreeScrollOffsetMap) { |
| host_->InitializeSingleThreaded(&single_thread_client_, |
| base::ThreadTaskRunnerHandle::Get()); |
| LayerTreeSettings settings; |
| FakeLayerTreeHostImplClient client; |
| FakeImplTaskRunnerProvider task_runner_provider; |
| FakeRenderingStatsInstrumentation stats_instrumentation; |
| TestTaskGraphRunner task_graph_runner; |
| FakeLayerTreeHostImpl* host_impl = host_->host_impl(); |
| host_impl->CreatePendingTree(); |
| |
| scoped_refptr<Layer> layer_tree_root = Layer::Create(); |
| scoped_refptr<Layer> scroll_clip_layer = Layer::Create(); |
| scoped_refptr<Layer> scroll_layer = Layer::Create(); |
| scoped_refptr<Layer> transient_scroll_clip_layer = Layer::Create(); |
| scoped_refptr<Layer> transient_scroll_layer = Layer::Create(); |
| |
| layer_tree_root->AddChild(transient_scroll_clip_layer); |
| transient_scroll_clip_layer->AddChild(transient_scroll_layer); |
| transient_scroll_layer->AddChild(scroll_clip_layer); |
| scroll_clip_layer->AddChild(scroll_layer); |
| |
| transient_scroll_layer->SetScrollClipLayerId( |
| transient_scroll_clip_layer->id()); |
| scroll_layer->SetScrollClipLayerId(scroll_clip_layer->id()); |
| transient_scroll_layer->SetScrollOffset(gfx::ScrollOffset(1, 2)); |
| scroll_layer->SetScrollOffset(gfx::ScrollOffset(10, 20)); |
| |
| host_->SetRootLayer(layer_tree_root); |
| host_->BuildPropertyTreesForTesting(); |
| host_->CommitAndCreatePendingTree(); |
| host_impl->ActivateSyncTree(); |
| |
| ExpectTreesAreIdentical(layer_tree_root.get(), |
| host_impl->active_tree()->root_layer_for_testing(), |
| host_impl->active_tree()); |
| |
| // After the initial commit, scroll_offset_map in scroll_tree is expected to |
| // have one entry for scroll_layer and one entry for transient_scroll_layer, |
| // the pending base and active base must be the same at this stage. |
| ScrollTree::ScrollOffsetMap scroll_offset_map; |
| scroll_offset_map[scroll_layer->id()] = new SyncedScrollOffset; |
| scroll_offset_map[transient_scroll_layer->id()] = new SyncedScrollOffset; |
| scroll_offset_map[scroll_layer->id()]->PushFromMainThread( |
| scroll_layer->scroll_offset()); |
| scroll_offset_map[scroll_layer->id()]->PushPendingToActive(); |
| scroll_offset_map[transient_scroll_layer->id()]->PushFromMainThread( |
| transient_scroll_layer->scroll_offset()); |
| scroll_offset_map[transient_scroll_layer->id()]->PushPendingToActive(); |
| EXPECT_TRUE( |
| is_equal(scroll_offset_map, host_impl->active_tree() |
| ->property_trees() |
| ->scroll_tree.scroll_offset_map())); |
| |
| // Set ScrollOffset active delta: gfx::ScrollOffset(10, 10) |
| LayerImpl* scroll_layer_impl = |
| host_impl->active_tree()->LayerById(scroll_layer->id()); |
| ScrollTree& scroll_tree = |
| host_impl->active_tree()->property_trees()->scroll_tree; |
| scroll_tree.SetScrollOffset(scroll_layer_impl->id(), |
| gfx::ScrollOffset(20, 30)); |
| |
| // Pull ScrollOffset delta for main thread, and change offset on main thread |
| std::unique_ptr<ScrollAndScaleSet> scroll_info(new ScrollAndScaleSet()); |
| scroll_tree.CollectScrollDeltas(scroll_info.get(), Layer::INVALID_ID); |
| host_->proxy()->SetNeedsCommit(); |
| host_->ApplyScrollAndScale(scroll_info.get()); |
| EXPECT_EQ(gfx::ScrollOffset(20, 30), scroll_layer->scroll_offset()); |
| scroll_layer->SetScrollOffset(gfx::ScrollOffset(100, 100)); |
| |
| // More update to ScrollOffset active delta: gfx::ScrollOffset(20, 20) |
| scroll_tree.SetScrollOffset(scroll_layer_impl->id(), |
| gfx::ScrollOffset(40, 50)); |
| host_impl->active_tree()->SetCurrentlyScrollingLayer(scroll_layer_impl); |
| |
| // Make one layer unscrollable so that scroll tree topology changes |
| transient_scroll_layer->SetScrollClipLayerId(Layer::INVALID_ID); |
| host_->BuildPropertyTreesForTesting(); |
| |
| host_impl->CreatePendingTree(); |
| host_->CommitAndCreatePendingTree(); |
| host_impl->ActivateSyncTree(); |
| |
| EXPECT_EQ(scroll_layer->id(), |
| host_impl->active_tree()->CurrentlyScrollingLayer()->id()); |
| scroll_offset_map.erase(transient_scroll_layer->id()); |
| scroll_offset_map[scroll_layer->id()]->SetCurrent(gfx::ScrollOffset(20, 30)); |
| scroll_offset_map[scroll_layer->id()]->PullDeltaForMainThread(); |
| scroll_offset_map[scroll_layer->id()]->SetCurrent(gfx::ScrollOffset(40, 50)); |
| scroll_offset_map[scroll_layer->id()]->PushFromMainThread( |
| gfx::ScrollOffset(100, 100)); |
| scroll_offset_map[scroll_layer->id()]->PushPendingToActive(); |
| EXPECT_TRUE(is_equal(scroll_offset_map, scroll_tree.scroll_offset_map())); |
| } |
| |
| TEST_F(TreeSynchronizerTest, RefreshPropertyTreesCachedData) { |
| host_->InitializeSingleThreaded(&single_thread_client_, |
| base::ThreadTaskRunnerHandle::Get()); |
| LayerTreeSettings settings; |
| FakeLayerTreeHostImplClient client; |
| FakeImplTaskRunnerProvider task_runner_provider; |
| FakeRenderingStatsInstrumentation stats_instrumentation; |
| TestTaskGraphRunner task_graph_runner; |
| FakeLayerTreeHostImpl* host_impl = host_->host_impl(); |
| host_impl->CreatePendingTree(); |
| |
| scoped_refptr<Layer> layer_tree_root = Layer::Create(); |
| scoped_refptr<Layer> transform_layer = Layer::Create(); |
| |
| gfx::Transform scale_transform; |
| scale_transform.Scale3d(2.f, 2.f, 2.f); |
| // Force adding a transform node for the layer. |
| transform_layer->SetTransform(scale_transform); |
| |
| layer_tree_root->AddChild(transform_layer); |
| |
| host_->SetRootLayer(layer_tree_root); |
| host_->BuildPropertyTreesForTesting(); |
| host_->CommitAndCreatePendingTree(); |
| host_impl->ActivateSyncTree(); |
| |
| // This arbitrarily set the animation scale for transform_layer and see if it |
| // is |
| // refreshed when pushing layer trees. |
| host_impl->active_tree()->property_trees()->SetAnimationScalesForTesting( |
| transform_layer->transform_tree_index(), 10.f, 10.f); |
| EXPECT_EQ( |
| CombinedAnimationScale(10.f, 10.f), |
| host_impl->active_tree()->property_trees()->GetAnimationScales( |
| transform_layer->transform_tree_index(), host_impl->active_tree())); |
| |
| host_impl->CreatePendingTree(); |
| host_->CommitAndCreatePendingTree(); |
| host_impl->ActivateSyncTree(); |
| EXPECT_EQ( |
| CombinedAnimationScale(0.f, 0.f), |
| host_impl->active_tree()->property_trees()->GetAnimationScales( |
| transform_layer->transform_tree_index(), host_impl->active_tree())); |
| } |
| |
| } // namespace |
| } // namespace cc |
