// 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_impl.h" #include "cc/layers/painted_scrollbar_layer_impl.h" #include "cc/layers/solid_color_scrollbar_layer_impl.h" #include "cc/paint/filter_operation.h" #include "cc/paint/filter_operations.h" #include "cc/test/animation_test_common.h" #include "cc/test/fake_impl_task_runner_provider.h" #include "cc/test/fake_layer_tree_frame_sink.h" #include "cc/test/fake_layer_tree_host_impl.h" #include "cc/test/geometry_test_utils.h" #include "cc/test/test_task_graph_runner.h" #include "cc/trees/layer_tree_impl.h" #include "cc/trees/single_thread_proxy.h" #include "cc/trees/tree_synchronizer.h" #include "testing/gmock/include/gmock/gmock.h" #include "testing/gtest/include/gtest/gtest.h" #include "third_party/skia/include/effects/SkBlurImageFilter.h" namespace cc { namespace { #define EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(code_to_test) \ root->layer_tree_impl()->ResetAllChangeTracking(); \ code_to_test; \ EXPECT_FALSE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(root)); \ EXPECT_FALSE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(child)); \ EXPECT_FALSE(root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting( \ grand_child)); \ EXPECT_FALSE(root->LayerPropertyChanged()); \ EXPECT_FALSE(child->LayerPropertyChanged()); \ EXPECT_FALSE(grand_child->LayerPropertyChanged()); #define EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( \ code_to_test) \ root->layer_tree_impl()->ResetAllChangeTracking(); \ code_to_test; \ EXPECT_TRUE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(root)); \ EXPECT_FALSE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(child)); \ EXPECT_FALSE(root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting( \ grand_child)); \ EXPECT_FALSE(root->LayerPropertyChanged()); \ EXPECT_FALSE(child->LayerPropertyChanged()); \ EXPECT_FALSE(grand_child->LayerPropertyChanged()); #define EXECUTE_AND_VERIFY_NO_NEED_TO_PUSH_PROPERTIES_AND_SUBTREE_CHANGED( \ code_to_test) \ root->layer_tree_impl()->ResetAllChangeTracking(); \ code_to_test; \ EXPECT_FALSE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(root)); \ EXPECT_FALSE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(child)); \ EXPECT_FALSE(root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting( \ grand_child)); \ EXPECT_TRUE(root->LayerPropertyChanged()); \ EXPECT_TRUE(root->LayerPropertyChangedFromPropertyTrees()); \ EXPECT_FALSE(root->LayerPropertyChangedNotFromPropertyTrees()); \ EXPECT_TRUE(child->LayerPropertyChanged()); \ EXPECT_TRUE(child->LayerPropertyChangedFromPropertyTrees()); \ EXPECT_FALSE(child->LayerPropertyChangedNotFromPropertyTrees()); \ EXPECT_TRUE(grand_child->LayerPropertyChanged()); \ EXPECT_TRUE(grand_child->LayerPropertyChangedFromPropertyTrees()); \ EXPECT_FALSE(grand_child->LayerPropertyChangedNotFromPropertyTrees()); #define EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(code_to_test) \ root->layer_tree_impl()->ResetAllChangeTracking(); \ root->layer_tree_impl()->property_trees()->full_tree_damaged = false; \ code_to_test; \ EXPECT_TRUE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(root)); \ EXPECT_FALSE( \ root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting(child)); \ EXPECT_FALSE(root->layer_tree_impl()->LayerNeedsPushPropertiesForTesting( \ grand_child)); \ EXPECT_TRUE(root->LayerPropertyChanged()); \ EXPECT_FALSE(root->LayerPropertyChangedFromPropertyTrees()); \ EXPECT_TRUE(root->LayerPropertyChangedNotFromPropertyTrees()); \ EXPECT_FALSE(child->LayerPropertyChanged()); \ EXPECT_FALSE(grand_child->LayerPropertyChanged()); #define VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(code_to_test) \ root->layer_tree_impl()->ResetAllChangeTracking(); \ host_impl.ForcePrepareToDraw(); \ EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); \ code_to_test; \ EXPECT_TRUE(host_impl.active_tree()->needs_update_draw_properties()); #define VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(code_to_test) \ root->layer_tree_impl()->ResetAllChangeTracking(); \ host_impl.ForcePrepareToDraw(); \ EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); \ code_to_test; \ EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); static gfx::Vector2dF ScrollDelta(LayerImpl* layer_impl) { gfx::ScrollOffset delta = layer_impl->layer_tree_impl() ->property_trees() ->scroll_tree.GetScrollOffsetDeltaForTesting( layer_impl->element_id()); return gfx::Vector2dF(delta.x(), delta.y()); } TEST(LayerImplTest, VerifyPendingLayerChangesAreTrackedProperly) { // // This test checks that LayerPropertyChanged() has the correct behavior. // // The constructor on this will fake that we are on the correct thread. // Create a simple LayerImpl tree: FakeImplTaskRunnerProvider task_runner_provider; TestTaskGraphRunner task_graph_runner; std::unique_ptr layer_tree_frame_sink = FakeLayerTreeFrameSink::Create3d(); FakeLayerTreeHostImpl host_impl(&task_runner_provider, &task_graph_runner); host_impl.SetVisible(true); EXPECT_TRUE(host_impl.InitializeFrameSink(layer_tree_frame_sink.get())); host_impl.CreatePendingTree(); std::unique_ptr root_ptr = LayerImpl::Create(host_impl.pending_tree(), 2); LayerImpl* root = root_ptr.get(); host_impl.pending_tree()->SetRootLayerForTesting(std::move(root_ptr)); root->test_properties()->force_render_surface = true; root->SetMasksToBounds(true); root->layer_tree_impl()->ResetAllChangeTracking(); root->test_properties()->AddChild( LayerImpl::Create(host_impl.pending_tree(), 7)); LayerImpl* child = root->test_properties()->children[0]; child->test_properties()->AddChild( LayerImpl::Create(host_impl.pending_tree(), 8)); LayerImpl* grand_child = child->test_properties()->children[0]; host_impl.pending_tree()->BuildLayerListAndPropertyTreesForTesting(); // Adding children is an internal operation and should not mark layers as // changed. EXPECT_FALSE(root->LayerPropertyChanged()); EXPECT_FALSE(child->LayerPropertyChanged()); EXPECT_FALSE(grand_child->LayerPropertyChanged()); gfx::PointF arbitrary_point_f = gfx::PointF(0.125f, 0.25f); float arbitrary_number = 0.352f; gfx::Size arbitrary_size = gfx::Size(111, 222); gfx::Point arbitrary_point = gfx::Point(333, 444); gfx::Rect arbitrary_rect = gfx::Rect(arbitrary_point, arbitrary_size); SkColor arbitrary_color = SkColorSetRGB(10, 20, 30); gfx::Transform arbitrary_transform; arbitrary_transform.Scale3d(0.1f, 0.2f, 0.3f); FilterOperations arbitrary_filters; arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f)); // These properties are internal, and should not be considered "change" when // they are used. EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( root->SetUpdateRect(arbitrary_rect)); EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(arbitrary_size)); host_impl.pending_tree()->property_trees()->needs_rebuild = true; host_impl.pending_tree()->BuildLayerListAndPropertyTreesForTesting(); // Changing these properties affects the entire subtree of layers. EXECUTE_AND_VERIFY_NO_NEED_TO_PUSH_PROPERTIES_AND_SUBTREE_CHANGED( host_impl.pending_tree()->SetFilterMutated(root->element_id(), arbitrary_filters)); EXECUTE_AND_VERIFY_NO_NEED_TO_PUSH_PROPERTIES_AND_SUBTREE_CHANGED( host_impl.pending_tree()->SetFilterMutated(root->element_id(), FilterOperations())); EXECUTE_AND_VERIFY_NO_NEED_TO_PUSH_PROPERTIES_AND_SUBTREE_CHANGED( host_impl.pending_tree()->SetOpacityMutated(root->element_id(), arbitrary_number)); EXECUTE_AND_VERIFY_NO_NEED_TO_PUSH_PROPERTIES_AND_SUBTREE_CHANGED( host_impl.pending_tree()->SetTransformMutated(root->element_id(), arbitrary_transform)); // Changing these properties only affects the layer itself. EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetDrawsContent(true)); EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED( root->SetBackgroundColor(arbitrary_color)); // Changing these properties does not cause the layer to be marked as changed // but does cause the layer to need to push properties. EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( root->SetElementId(ElementId(2))); // After setting all these properties already, setting to the exact same // values again should not cause any change. EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetMasksToBounds(true)); EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE( root->SetPosition(arbitrary_point_f)); EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetContentsOpaque(true)); EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetDrawsContent(true)); EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetBounds(root->bounds())); } TEST(LayerImplTest, VerifyActiveLayerChangesAreTrackedProperly) { FakeImplTaskRunnerProvider task_runner_provider; TestTaskGraphRunner task_graph_runner; std::unique_ptr layer_tree_frame_sink = FakeLayerTreeFrameSink::Create3d(); FakeLayerTreeHostImpl host_impl(&task_runner_provider, &task_graph_runner); host_impl.SetVisible(true); EXPECT_TRUE(host_impl.InitializeFrameSink(layer_tree_frame_sink.get())); std::unique_ptr root_ptr = LayerImpl::Create(host_impl.active_tree(), 2); LayerImpl* root = root_ptr.get(); host_impl.active_tree()->SetRootLayerForTesting(std::move(root_ptr)); root->test_properties()->AddChild( LayerImpl::Create(host_impl.active_tree(), 7)); LayerImpl* child = root->test_properties()->children[0]; root->SetScrollable(gfx::Size(100, 100)); host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); // Make root the outer viewport container layer. This ensures the later call // to |SetViewportBoundsDelta| will be on a viewport layer. LayerTreeImpl::ViewportLayerIds viewport_ids; viewport_ids.outer_viewport_container = root->id(); host_impl.active_tree()->SetViewportLayersFromIds(viewport_ids); root->SetMasksToBounds(true); host_impl.active_tree()->property_trees()->needs_rebuild = true; host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); root->layer_tree_impl()->ResetAllChangeTracking(); // SetViewportBoundsDelta changes subtree only when masks_to_bounds is true. root->SetViewportBoundsDelta(gfx::Vector2d(222, 333)); EXPECT_TRUE(root->LayerPropertyChanged()); EXPECT_TRUE(root->LayerPropertyChangedFromPropertyTrees()); EXPECT_FALSE(root->LayerPropertyChangedNotFromPropertyTrees()); EXPECT_TRUE(host_impl.active_tree()->property_trees()->full_tree_damaged); root->SetMasksToBounds(false); host_impl.active_tree()->property_trees()->needs_rebuild = true; host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); root->layer_tree_impl()->ResetAllChangeTracking(); // SetViewportBoundsDelta does not change the subtree without masks_to_bounds. root->SetViewportBoundsDelta(gfx::Vector2d(333, 444)); EXPECT_TRUE(root->LayerPropertyChanged()); EXPECT_FALSE(root->LayerPropertyChangedFromPropertyTrees()); EXPECT_TRUE(root->LayerPropertyChangedNotFromPropertyTrees()); EXPECT_FALSE(host_impl.active_tree()->property_trees()->full_tree_damaged); host_impl.active_tree()->property_trees()->needs_rebuild = true; host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); root->layer_tree_impl()->ResetAllChangeTracking(); // Ensure some node is affected by the outer viewport bounds delta. This // ensures the later call to |SetViewportBoundsDelta| will require a // transform tree update. TransformTree& transform_tree = host_impl.active_tree()->property_trees()->transform_tree; transform_tree.AddNodeAffectedByOuterViewportBoundsDelta( child->transform_tree_index()); EXPECT_FALSE(transform_tree.needs_update()); root->SetViewportBoundsDelta(gfx::Vector2d(111, 222)); EXPECT_TRUE(transform_tree.needs_update()); host_impl.active_tree()->property_trees()->needs_rebuild = true; host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); root->layer_tree_impl()->ResetAllChangeTracking(); // Ensure scrolling changes the transform tree but does not damage all trees. root->ScrollBy(gfx::Vector2d(7, 9)); EXPECT_TRUE(transform_tree.needs_update()); EXPECT_TRUE(root->LayerPropertyChanged()); EXPECT_TRUE(root->LayerPropertyChangedFromPropertyTrees()); EXPECT_FALSE(root->LayerPropertyChangedNotFromPropertyTrees()); EXPECT_FALSE(host_impl.active_tree()->property_trees()->full_tree_damaged); } TEST(LayerImplTest, VerifyNeedsUpdateDrawProperties) { FakeImplTaskRunnerProvider task_runner_provider; TestTaskGraphRunner task_graph_runner; std::unique_ptr layer_tree_frame_sink = FakeLayerTreeFrameSink::Create3d(); FakeLayerTreeHostImpl host_impl(&task_runner_provider, &task_graph_runner); host_impl.SetVisible(true); EXPECT_TRUE(host_impl.InitializeFrameSink(layer_tree_frame_sink.get())); host_impl.active_tree()->SetRootLayerForTesting( LayerImpl::Create(host_impl.active_tree(), 1)); LayerImpl* root = host_impl.active_tree()->root_layer_for_testing(); std::unique_ptr layer_ptr = LayerImpl::Create(host_impl.active_tree(), 2); LayerImpl* layer = layer_ptr.get(); root->test_properties()->AddChild(std::move(layer_ptr)); layer->SetScrollable(gfx::Size(1, 1)); std::unique_ptr layer2_ptr = LayerImpl::Create(host_impl.active_tree(), 3); LayerImpl* layer2 = layer2_ptr.get(); root->test_properties()->AddChild(std::move(layer2_ptr)); host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); DCHECK(host_impl.CanDraw()); gfx::PointF arbitrary_point_f = gfx::PointF(0.125f, 0.25f); float arbitrary_number = 0.352f; gfx::Size arbitrary_size = gfx::Size(111, 222); gfx::Vector2d arbitrary_vector2d = gfx::Vector2d(111, 222); gfx::Size large_size = gfx::Size(1000, 1000); SkColor arbitrary_color = SkColorSetRGB(10, 20, 30); gfx::Transform arbitrary_transform; arbitrary_transform.Scale3d(0.1f, 0.2f, 0.3f); FilterOperations arbitrary_filters; arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f)); // Set layer to draw content so that their draw property by property trees is // verified. VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetDrawsContent(true)); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer2->SetDrawsContent(true)); // Create a render surface, because we must have a render surface if we have // filters. layer->test_properties()->force_render_surface = true; host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); // Related filter functions. VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(host_impl.active_tree()->SetFilterMutated( root->element_id(), arbitrary_filters)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( host_impl.active_tree()->SetFilterMutated(root->element_id(), arbitrary_filters)); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(host_impl.active_tree()->SetFilterMutated( root->element_id(), FilterOperations())); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(host_impl.active_tree()->SetFilterMutated( root->element_id(), arbitrary_filters)); // Related scrolling functions. VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(large_size)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(large_size)); host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); host_impl.active_tree()->set_needs_update_draw_properties(); host_impl.active_tree()->UpdateDrawProperties(); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->ScrollBy(arbitrary_vector2d)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->ScrollBy(gfx::Vector2d())); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( layer->layer_tree_impl()->DidUpdateScrollOffset(layer->element_id())); layer->layer_tree_impl() ->property_trees() ->scroll_tree.SetScrollOffsetDeltaForTesting(layer->element_id(), gfx::Vector2dF()); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetCurrentScrollOffset( gfx::ScrollOffset(arbitrary_vector2d.x(), arbitrary_vector2d.y()))); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetCurrentScrollOffset( gfx::ScrollOffset(arbitrary_vector2d.x(), arbitrary_vector2d.y()))); // Unrelated functions, always set to new values, always set needs update. host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); host_impl.active_tree()->set_needs_update_draw_properties(); host_impl.active_tree()->UpdateDrawProperties(); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetMasksToBounds(true); layer->NoteLayerPropertyChanged()); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true); layer->NoteLayerPropertyChanged()); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer2->SetPosition(arbitrary_point_f); layer->NoteLayerPropertyChanged()); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( layer->SetBackgroundColor(arbitrary_color)); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( host_impl.active_tree()->SetOpacityMutated(layer->element_id(), arbitrary_number)); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES( host_impl.active_tree()->SetTransformMutated(layer->element_id(), arbitrary_transform)); VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(arbitrary_size); layer->NoteLayerPropertyChanged()); // Unrelated functions, set to the same values, no needs update. layer->test_properties()->filters = arbitrary_filters; host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( host_impl.active_tree()->SetFilterMutated(layer->element_id(), arbitrary_filters)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetMasksToBounds(true)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( layer2->SetPosition(arbitrary_point_f)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetDrawsContent(true)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( layer->SetBackgroundColor(arbitrary_color)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(arbitrary_size)); VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetElementId(ElementId(2))); } TEST(LayerImplTest, SafeOpaqueBackgroundColor) { FakeImplTaskRunnerProvider task_runner_provider; TestTaskGraphRunner task_graph_runner; std::unique_ptr layer_tree_frame_sink = FakeLayerTreeFrameSink::Create3d(); FakeLayerTreeHostImpl host_impl(&task_runner_provider, &task_graph_runner); host_impl.SetVisible(true); EXPECT_TRUE(host_impl.InitializeFrameSink(layer_tree_frame_sink.get())); host_impl.active_tree()->SetRootLayerForTesting( LayerImpl::Create(host_impl.active_tree(), 1)); LayerImpl* layer = host_impl.active_tree()->root_layer_for_testing(); for (int contents_opaque = 0; contents_opaque < 2; ++contents_opaque) { for (int layer_opaque = 0; layer_opaque < 2; ++layer_opaque) { for (int host_opaque = 0; host_opaque < 2; ++host_opaque) { layer->SetContentsOpaque(!!contents_opaque); layer->SetBackgroundColor(layer_opaque ? SK_ColorRED : SK_ColorTRANSPARENT); host_impl.active_tree()->set_background_color( host_opaque ? SK_ColorRED : SK_ColorTRANSPARENT); host_impl.active_tree()->property_trees()->needs_rebuild = true; host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); SkColor safe_color = layer->SafeOpaqueBackgroundColor(); if (contents_opaque) { EXPECT_EQ(SkColorGetA(safe_color), 255u) << "Flags: " << contents_opaque << ", " << layer_opaque << ", " << host_opaque << "\n"; } else { EXPECT_NE(SkColorGetA(safe_color), 255u) << "Flags: " << contents_opaque << ", " << layer_opaque << ", " << host_opaque << "\n"; } } } } } TEST(LayerImplTest, PerspectiveTransformHasReasonableScale) { FakeImplTaskRunnerProvider task_runner_provider; TestTaskGraphRunner task_graph_runner; std::unique_ptr layer_tree_frame_sink = FakeLayerTreeFrameSink::Create3d(); LayerTreeSettings settings; settings.layer_transforms_should_scale_layer_contents = true; FakeLayerTreeHostImpl host_impl(settings, &task_runner_provider, &task_graph_runner); auto owned_layer = LayerImpl::Create(host_impl.active_tree(), 1); LayerImpl* layer = owned_layer.get(); layer->SetBounds(gfx::Size(10, 10)); layer->set_contributes_to_drawn_render_surface(true); host_impl.active_tree()->SetRootLayerForTesting(std::move(owned_layer)); host_impl.active_tree()->BuildLayerListAndPropertyTreesForTesting(); // Ensure that we are close to the maximum scale for the matrix. { gfx::Transform transform; transform.Scale(10.2f, 15.1f); transform.ApplyPerspectiveDepth(10); layer->draw_properties().screen_space_transform = transform; ASSERT_TRUE(layer->ScreenSpaceTransform().HasPerspective()); EXPECT_FLOAT_EQ(15.f, layer->GetIdealContentsScale()); } // Ensure that we don't fall below the device scale factor. { gfx::Transform transform; transform.Scale(0.1f, 0.2f); transform.ApplyPerspectiveDepth(10); layer->draw_properties().screen_space_transform = transform; ASSERT_TRUE(layer->ScreenSpaceTransform().HasPerspective()); EXPECT_FLOAT_EQ(1.f, layer->GetIdealContentsScale()); } // Ensure that large scales don't end up extremely large. { gfx::Transform transform; transform.Scale(10000.1f, 10000.2f); transform.ApplyPerspectiveDepth(10); layer->draw_properties().screen_space_transform = transform; ASSERT_TRUE(layer->ScreenSpaceTransform().HasPerspective()); EXPECT_FLOAT_EQ(127.f, layer->GetIdealContentsScale()); } // Test case from crbug.com/766021. { gfx::Transform transform(-0.9397f, -0.7019f, 0.2796f, 2383.4521f, // row 1 -0.0038f, 0.0785f, 1.0613f, 1876.4553f, // row 2 -0.0835f, 0.9081f, -0.4105f, -2208.3035f, // row 3 0.0001f, -0.0008f, 0.0003f, 2.8435f); // row 4 layer->draw_properties().screen_space_transform = transform; ASSERT_TRUE(layer->ScreenSpaceTransform().HasPerspective()); EXPECT_FLOAT_EQ(1.f, layer->GetIdealContentsScale()); } } class LayerImplScrollTest : public testing::Test { public: LayerImplScrollTest() : LayerImplScrollTest(LayerTreeSettings()) {} explicit LayerImplScrollTest(const LayerTreeSettings& settings) : host_impl_(settings, &task_runner_provider_, &task_graph_runner_), root_id_(7) { host_impl_.active_tree()->SetRootLayerForTesting( LayerImpl::Create(host_impl_.active_tree(), root_id_)); host_impl_.active_tree() ->root_layer_for_testing() ->test_properties() ->AddChild(LayerImpl::Create(host_impl_.active_tree(), root_id_ + 1)); // Set the max scroll offset by noting that the root layer has bounds (1,1), // thus whatever bounds are set for the layer will be the max scroll // offset plus 1 in each direction. host_impl_.active_tree()->root_layer_for_testing()->SetBounds( gfx::Size(1, 1)); layer()->SetScrollable(gfx::Size(1, 1)); gfx::Vector2d max_scroll_offset(51, 81); layer()->SetBounds(gfx::Size(max_scroll_offset.x(), max_scroll_offset.y())); host_impl_.active_tree()->BuildLayerListAndPropertyTreesForTesting(); } LayerImpl* layer() { return host_impl_.active_tree() ->root_layer_for_testing() ->test_properties() ->children[0]; } ScrollTree* scroll_tree(LayerImpl* layer_impl) { return &layer_impl->layer_tree_impl()->property_trees()->scroll_tree; } LayerTreeHostImpl& host_impl() { return host_impl_; } LayerTreeImpl* tree() { return host_impl_.active_tree(); } private: FakeImplTaskRunnerProvider task_runner_provider_; TestTaskGraphRunner task_graph_runner_; FakeLayerTreeHostImpl host_impl_; int root_id_; }; class CommitToPendingTreeLayerImplScrollTest : public LayerImplScrollTest { public: CommitToPendingTreeLayerImplScrollTest() : LayerImplScrollTest(settings()) {} LayerTreeSettings settings() { LayerTreeSettings tree_settings; tree_settings.commit_to_active_tree = false; return tree_settings; } }; TEST_F(LayerImplScrollTest, ScrollByWithZeroOffset) { // Test that LayerImpl::ScrollBy only affects ScrollDelta and total scroll // offset is bounded by the range [0, max scroll offset]. EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(gfx::Vector2dF(), scroll_tree(layer())->GetScrollOffsetBaseForTesting( layer()->element_id())); EXPECT_VECTOR_EQ(gfx::Vector2dF(), ScrollDelta(layer())); layer()->ScrollBy(gfx::Vector2dF(-100, 100)); EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(ScrollDelta(layer()), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(gfx::Vector2dF(), scroll_tree(layer())->GetScrollOffsetBaseForTesting( layer()->element_id())); layer()->ScrollBy(gfx::Vector2dF(100, -100)); EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(ScrollDelta(layer()), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(gfx::Vector2dF(), scroll_tree(layer())->GetScrollOffsetBaseForTesting( layer()->element_id())); } TEST_F(LayerImplScrollTest, ScrollByWithNonZeroOffset) { gfx::ScrollOffset scroll_offset(10, 5); scroll_tree(layer())->UpdateScrollOffsetBaseForTesting(layer()->element_id(), scroll_offset); EXPECT_VECTOR_EQ(scroll_offset, layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(scroll_offset, scroll_tree(layer())->GetScrollOffsetBaseForTesting( layer()->element_id())); EXPECT_VECTOR_EQ(gfx::Vector2dF(), ScrollDelta(layer())); layer()->ScrollBy(gfx::Vector2dF(-100, 100)); EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ( gfx::ScrollOffsetWithDelta(scroll_offset, ScrollDelta(layer())), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(scroll_offset, scroll_tree(layer())->GetScrollOffsetBaseForTesting( layer()->element_id())); layer()->ScrollBy(gfx::Vector2dF(100, -100)); EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ( gfx::ScrollOffsetWithDelta(scroll_offset, ScrollDelta(layer())), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(scroll_offset, scroll_tree(layer())->GetScrollOffsetBaseForTesting( layer()->element_id())); } TEST_F(LayerImplScrollTest, ApplySentScrollsNoListener) { gfx::ScrollOffset scroll_offset(10, 5); gfx::Vector2dF scroll_delta(20.5f, 8.5f); gfx::Vector2d sent_scroll_delta(12, -3); scroll_tree(layer())->UpdateScrollOffsetBaseForTesting(layer()->element_id(), scroll_offset); layer()->ScrollBy(sent_scroll_delta); scroll_tree(layer())->CollectScrollDeltasForTesting(); layer()->SetCurrentScrollOffset(scroll_offset + gfx::ScrollOffset(scroll_delta)); EXPECT_VECTOR_EQ(gfx::ScrollOffsetWithDelta(scroll_offset, scroll_delta), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(scroll_delta, ScrollDelta(layer())); EXPECT_VECTOR_EQ(scroll_offset, scroll_tree(layer())->GetScrollOffsetBaseForTesting( layer()->element_id())); scroll_tree(layer())->ApplySentScrollDeltasFromAbortedCommit(); EXPECT_VECTOR_EQ(gfx::ScrollOffsetWithDelta(scroll_offset, scroll_delta), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(scroll_delta - sent_scroll_delta, ScrollDelta(layer())); EXPECT_VECTOR_EQ(gfx::ScrollOffsetWithDelta(scroll_offset, sent_scroll_delta), scroll_tree(layer())->GetScrollOffsetBaseForTesting( layer()->element_id())); } TEST_F(LayerImplScrollTest, ScrollUserUnscrollableLayer) { gfx::ScrollOffset scroll_offset(10, 5); gfx::Vector2dF scroll_delta(20.5f, 8.5f); layer()->test_properties()->user_scrollable_vertical = false; layer()->layer_tree_impl()->property_trees()->needs_rebuild = true; layer()->layer_tree_impl()->BuildLayerListAndPropertyTreesForTesting(); scroll_tree(layer())->UpdateScrollOffsetBaseForTesting(layer()->element_id(), scroll_offset); gfx::Vector2dF unscrolled = layer()->ScrollBy(scroll_delta); EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 8.5f), unscrolled); EXPECT_VECTOR_EQ(gfx::Vector2dF(30.5f, 5), layer()->CurrentScrollOffset()); } TEST_F(CommitToPendingTreeLayerImplScrollTest, PushPropertiesToMirrorsCurrentScrollOffset) { gfx::ScrollOffset scroll_offset(10, 5); gfx::Vector2dF scroll_delta(12, 18); host_impl().CreatePendingTree(); scroll_tree(layer())->UpdateScrollOffsetBaseForTesting(layer()->element_id(), scroll_offset); gfx::Vector2dF unscrolled = layer()->ScrollBy(scroll_delta); EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 0), unscrolled); EXPECT_VECTOR_EQ(gfx::Vector2dF(22, 23), layer()->CurrentScrollOffset()); scroll_tree(layer())->CollectScrollDeltasForTesting(); std::unique_ptr pending_layer = LayerImpl::Create(host_impl().sync_tree(), layer()->id()); pending_layer->SetElementId( LayerIdToElementIdForTesting(pending_layer->id())); scroll_tree(pending_layer.get()) ->UpdateScrollOffsetBaseForTesting(pending_layer->element_id(), layer()->CurrentScrollOffset()); pending_layer->PushPropertiesTo(layer()); EXPECT_VECTOR_EQ(gfx::Vector2dF(22, 23), layer()->CurrentScrollOffset()); EXPECT_VECTOR_EQ(layer()->CurrentScrollOffset(), pending_layer->CurrentScrollOffset()); } } // namespace } // namespace cc