| // 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 "base/stl_util.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/geometry_test_utils.h" |
| #include "cc/test/layer_tree_impl_test_base.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->LayerPropertyChanged()); \ |
| EXPECT_FALSE(child->LayerPropertyChanged()); \ |
| EXPECT_FALSE(grand_child->LayerPropertyChanged()); |
| |
| #define EXECUTE_AND_VERIFY_SUBTREE_CHANGED(code_to_test) \ |
| root->layer_tree_impl()->ResetAllChangeTracking(); \ |
| code_to_test; \ |
| 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->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()); |
| } |
| |
| class LayerImplTest : public LayerTreeImplTestBase, public ::testing::Test { |
| public: |
| using LayerTreeImplTestBase::LayerTreeImplTestBase; |
| }; |
| |
| TEST_F(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: |
| host_impl()->CreatePendingTree(); |
| LayerImpl* root = EnsureRootLayerInPendingTree(); |
| CreateClipNode(root); |
| root->layer_tree_impl()->ResetAllChangeTracking(); |
| |
| LayerImpl* child = AddLayerInPendingTree<LayerImpl>(); |
| CopyProperties(root, child); |
| LayerImpl* grand_child = AddLayerInPendingTree<LayerImpl>(); |
| CopyProperties(child, grand_child); |
| |
| UpdatePendingTreeDrawProperties(); |
| |
| // Creating 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()); |
| |
| 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_SUBTREE_DID_NOT_CHANGE( |
| root->UnionUpdateRect(arbitrary_rect)); |
| EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(arbitrary_size)); |
| UpdatePendingTreeDrawProperties(); |
| |
| // Changing these properties affects the entire subtree of layers. |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED( |
| host_impl()->pending_tree()->SetFilterMutated(root->element_id(), |
| arbitrary_filters)); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED( |
| host_impl()->pending_tree()->SetFilterMutated(root->element_id(), |
| FilterOperations())); |
| EXECUTE_AND_VERIFY_SUBTREE_CHANGED( |
| host_impl()->pending_tree()->SetOpacityMutated(root->element_id(), |
| arbitrary_number)); |
| EXECUTE_AND_VERIFY_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_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->SetContentsOpaque(true)); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetDrawsContent(true)); |
| EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetBounds(root->bounds())); |
| } |
| |
| TEST_F(LayerImplTest, VerifyNeedsUpdateDrawProperties) { |
| LayerImpl* root = root_layer(); |
| LayerImpl* layer = AddLayer<LayerImpl>(); |
| layer->SetBounds(gfx::Size(100, 100)); |
| LayerImpl* layer2 = AddLayer<LayerImpl>(); |
| SetElementIdsForTesting(); |
| |
| CopyProperties(root, layer); |
| CreateTransformNode(layer); |
| CreateScrollNode(layer, gfx::Size(1, 1)); |
| CopyProperties(root, layer2); |
| |
| DCHECK(host_impl()->CanDraw()); |
| UpdateActiveTreeDrawProperties(); |
| |
| 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. |
| CreateEffectNode(layer).render_surface_reason = RenderSurfaceReason::kTest; |
| UpdateActiveTreeDrawProperties(); |
| |
| // 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()->set_needs_update_draw_properties(); |
| UpdateActiveTreeDrawProperties(); |
| |
| 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()->set_needs_update_draw_properties(); |
| UpdateActiveTreeDrawProperties(); |
| CreateClipNode(layer); |
| VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true); |
| 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. |
| GetEffectNode(layer)->filters = arbitrary_filters; |
| UpdateActiveTreeDrawProperties(); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES( |
| host_impl()->active_tree()->SetFilterMutated(layer->element_id(), |
| arbitrary_filters)); |
| VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true)); |
| 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_F(LayerImplTest, PerspectiveTransformHasReasonableScale) { |
| LayerImpl* layer = root_layer(); |
| layer->SetBounds(gfx::Size(10, 10)); |
| layer->set_contributes_to_drawn_render_surface(true); |
| |
| // 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 LayerImplTest { |
| public: |
| LayerImplScrollTest() : LayerImplScrollTest(LayerListSettings()) {} |
| |
| explicit LayerImplScrollTest(const LayerTreeSettings& settings) |
| : LayerImplTest(settings) { |
| LayerImpl* root = root_layer(); |
| root->SetBounds(gfx::Size(1, 1)); |
| |
| layer_ = AddLayer<LayerImpl>(); |
| SetElementIdsForTesting(); |
| // 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. |
| layer_->SetBounds(gfx::Size(51, 81)); |
| CopyProperties(root, layer_); |
| CreateTransformNode(layer_); |
| CreateScrollNode(layer_, gfx::Size(1, 1)); |
| UpdateActiveTreeDrawProperties(); |
| } |
| |
| LayerImpl* layer() { return layer_; } |
| |
| ScrollTree* scroll_tree(LayerImpl* layer_impl) { |
| return &layer_impl->layer_tree_impl()->property_trees()->scroll_tree; |
| } |
| |
| private: |
| LayerImpl* layer_; |
| }; |
| |
| class CommitToPendingTreeLayerImplScrollTest : public LayerImplScrollTest { |
| public: |
| CommitToPendingTreeLayerImplScrollTest() : LayerImplScrollTest(settings()) {} |
| |
| LayerTreeSettings settings() { |
| LayerListSettings settings; |
| settings.commit_to_active_tree = false; |
| return 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(), CurrentScrollOffset(layer())); |
| 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), CurrentScrollOffset(layer())); |
| |
| EXPECT_VECTOR_EQ(ScrollDelta(layer()), CurrentScrollOffset(layer())); |
| 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), CurrentScrollOffset(layer())); |
| |
| EXPECT_VECTOR_EQ(ScrollDelta(layer()), CurrentScrollOffset(layer())); |
| 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, CurrentScrollOffset(layer())); |
| 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), CurrentScrollOffset(layer())); |
| |
| EXPECT_VECTOR_EQ( |
| gfx::ScrollOffsetWithDelta(scroll_offset, ScrollDelta(layer())), |
| CurrentScrollOffset(layer())); |
| 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), CurrentScrollOffset(layer())); |
| |
| EXPECT_VECTOR_EQ( |
| gfx::ScrollOffsetWithDelta(scroll_offset, ScrollDelta(layer())), |
| CurrentScrollOffset(layer())); |
| 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), |
| CurrentScrollOffset(layer())); |
| 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), |
| CurrentScrollOffset(layer())); |
| 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); |
| |
| GetScrollNode(layer())->user_scrollable_vertical = false; |
| UpdateDrawProperties(layer()->layer_tree_impl()); |
| 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), CurrentScrollOffset(layer())); |
| } |
| |
| // |LayerImpl::all_touch_action_regions_| is a cache of all regions on |
| // |LayerImpl::touch_action_region_| and must be invalidated on changes. |
| TEST_F(LayerImplScrollTest, TouchActionRegionCacheInvalidation) { |
| host_impl()->CreatePendingTree(); |
| std::unique_ptr<LayerImpl> pending_layer = |
| LayerImpl::Create(host_impl()->pending_tree(), 2); |
| |
| TouchActionRegion region; |
| region.Union(TouchAction::kNone, gfx::Rect(0, 0, 50, 50)); |
| pending_layer->SetTouchActionRegion(region); |
| |
| // The values for GetAllTouchActionRegions should be correct on both layers. |
| // Note that querying GetAllTouchActionRegions will update the cached value |
| // in |LayerImpl::all_touch_action_regions_|. |
| EXPECT_EQ(pending_layer->GetAllTouchActionRegions(), region.GetAllRegions()); |
| EXPECT_EQ(layer()->GetAllTouchActionRegions(), Region()); |
| |
| pending_layer->PushPropertiesTo(layer()); |
| |
| // After pushing properties, the value for GetAllTouchActionRegions should |
| // not be stale. |
| EXPECT_EQ(pending_layer->GetAllTouchActionRegions(), region.GetAllRegions()); |
| EXPECT_EQ(layer()->GetAllTouchActionRegions(), region.GetAllRegions()); |
| } |
| |
| 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), CurrentScrollOffset(layer())); |
| |
| scroll_tree(layer())->CollectScrollDeltasForTesting(); |
| |
| std::unique_ptr<LayerImpl> 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(), |
| CurrentScrollOffset(layer())); |
| |
| pending_layer->PushPropertiesTo(layer()); |
| |
| EXPECT_VECTOR_EQ(gfx::Vector2dF(22, 23), CurrentScrollOffset(layer())); |
| EXPECT_VECTOR_EQ(CurrentScrollOffset(layer()), |
| CurrentScrollOffset(pending_layer.get())); |
| } |
| |
| TEST_F(LayerImplTest, JitterTest) { |
| host_impl()->CreatePendingTree(); |
| auto* root_layer = EnsureRootLayerInPendingTree(); |
| root_layer->SetBounds(gfx::Size(50, 50)); |
| SetupViewport(root_layer, gfx::Size(100, 100), gfx::Size(100, 100)); |
| auto* scroll_layer = |
| host_impl()->pending_tree()->InnerViewportScrollLayerForTesting(); |
| auto* content_layer = AddLayerInPendingTree<LayerImpl>(); |
| content_layer->SetBounds(gfx::Size(100, 100)); |
| content_layer->SetDrawsContent(true); |
| CopyProperties( |
| host_impl()->pending_tree()->OuterViewportScrollLayerForTesting(), |
| content_layer); |
| UpdatePendingTreeDrawProperties(); |
| |
| host_impl()->pending_tree()->PushPageScaleFromMainThread(1.f, 1.f, 1.f); |
| const int scroll = 5; |
| int accumulated_scroll = 0; |
| for (int i = 0; i < LayerTreeImpl::kFixedPointHitsThreshold + 1; ++i) { |
| host_impl()->ActivateSyncTree(); |
| accumulated_scroll += scroll; |
| SetScrollOffset( |
| host_impl()->active_tree()->InnerViewportScrollLayerForTesting(), |
| gfx::ScrollOffset(0, accumulated_scroll)); |
| UpdateActiveTreeDrawProperties(); |
| |
| host_impl()->CreatePendingTree(); |
| LayerTreeImpl* pending_tree = host_impl()->pending_tree(); |
| pending_tree->set_source_frame_number(i + 1); |
| pending_tree->PushPageScaleFromMainThread(1.f, 1.f, 1.f); |
| // Simulate scroll offset pushed from the main thread. |
| SetScrollOffset(scroll_layer, gfx::ScrollOffset(0, accumulated_scroll)); |
| // The scroll done on the active tree is undone on the pending tree. |
| content_layer->SetOffsetToTransformParent( |
| gfx::Vector2dF(0, accumulated_scroll)); |
| content_layer->SetNeedsPushProperties(); |
| UpdateDrawProperties(pending_tree); |
| |
| float jitter = content_layer->CalculateJitter(); |
| // There should not be any jitter measured till we hit the fixed point hits |
| // threshold. 250 is sqrt(50 * 50) * 5. 50x50 is the visible bounds of |
| // content (clipped by the viewport). 5 is the distance between the |
| // locations of the content in the pending tree and the active tree. |
| float expected_jitter = |
| (i == pending_tree->kFixedPointHitsThreshold) ? 250 : 0; |
| EXPECT_EQ(jitter, expected_jitter); |
| } |
| } |
| |
| } // namespace |
| } // namespace cc |
