// 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 #include #include #include #include #include #include "base/memory/ptr_util.h" #include "base/stl_util.h" #include "base/test/scoped_feature_list.h" #include "cc/animation/animation.h" #include "cc/animation/animation_host.h" #include "cc/animation/animation_id_provider.h" #include "cc/animation/keyframed_animation_curve.h" #include "cc/animation/transform_operations.h" #include "cc/base/math_util.h" #include "cc/layers/content_layer_client.h" #include "cc/layers/effect_tree_layer_list_iterator.h" #include "cc/layers/layer.h" #include "cc/layers/layer_impl.h" #include "cc/layers/render_surface_impl.h" #include "cc/test/animation_test_common.h" #include "cc/test/fake_content_layer_client.h" #include "cc/test/fake_picture_layer.h" #include "cc/test/fake_picture_layer_impl.h" #include "cc/test/geometry_test_utils.h" #include "cc/test/layer_tree_impl_test_base.h" #include "cc/test/property_tree_test_utils.h" #include "cc/trees/clip_node.h" #include "cc/trees/draw_property_utils.h" #include "cc/trees/effect_node.h" #include "cc/trees/scroll_node.h" #include "cc/trees/transform_node.h" #include "components/viz/common/frame_sinks/copy_output_request.h" #include "components/viz/common/frame_sinks/copy_output_result.h" #include "testing/gtest/include/gtest/gtest.h" #include "ui/gfx/geometry/quad_f.h" #include "ui/gfx/geometry/rect_conversions.h" #include "ui/gfx/geometry/size_conversions.h" #include "ui/gfx/geometry/vector2d_conversions.h" #include "ui/gfx/transform.h" namespace cc { namespace { bool LayerSubtreeHasCopyRequest(Layer* layer) { return GetEffectNode(layer)->subtree_has_copy_request; } class DrawPropertiesTestBase : public LayerTreeImplTestBase { public: DrawPropertiesTestBase() = default; explicit DrawPropertiesTestBase(const LayerTreeSettings& settings) : LayerTreeImplTestBase(settings) {} static void SetScrollOffsetDelta(LayerImpl* layer_impl, const gfx::Vector2dF& delta) { if (layer_impl->layer_tree_impl() ->property_trees() ->scroll_tree.SetScrollOffsetDeltaForTesting( layer_impl->element_id(), delta)) layer_impl->layer_tree_impl()->DidUpdateScrollOffset( layer_impl->element_id()); } static float GetMaximumAnimationScale(LayerImpl* layer_impl) { return layer_impl->layer_tree_impl() ->property_trees() ->GetAnimationScales(layer_impl->transform_tree_index(), layer_impl->layer_tree_impl()) .maximum_animation_scale; } static float GetStartingAnimationScale(LayerImpl* layer_impl) { return layer_impl->layer_tree_impl() ->property_trees() ->GetAnimationScales(layer_impl->transform_tree_index(), layer_impl->layer_tree_impl()) .starting_animation_scale; } void UpdateMainDrawProperties(float device_scale_factor = 1.0f) { SetDeviceScaleAndUpdateViewportRect(host(), device_scale_factor); UpdateDrawProperties(host(), &update_layer_list_); } LayerImpl* ImplOf(const scoped_refptr& layer) { return layer ? host_impl()->active_tree()->LayerById(layer->id()) : nullptr; } LayerImpl* PendingImplOf(const scoped_refptr& layer) { return layer ? host_impl()->pending_tree()->LayerById(layer->id()) : nullptr; } RenderSurfaceImpl* GetRenderSurfaceImpl(const scoped_refptr& layer) { return GetRenderSurface(ImplOf(layer)); } // Updates main thread draw properties, commits main thread tree to // impl-side pending tree, and updates pending tree draw properties. void Commit(float device_scale_factor = 1.0f) { UpdateMainDrawProperties(device_scale_factor); if (!host_impl()->pending_tree()) host_impl()->CreatePendingTree(); host()->CommitAndCreatePendingTree(); // TODO(https://crbug.com/939968) This call should be handled by // FakeLayerTreeHost instead of manually pushing the properties from the // layer tree host to the pending tree. host()->PushLayerTreePropertiesTo(host_impl()->pending_tree()); UpdateDrawProperties(host_impl()->pending_tree()); } // Calls Commit(), then activates the pending tree, and updates active tree // draw properties. void CommitAndActivate(float device_scale_factor = 1.0f) { Commit(device_scale_factor); host_impl()->ActivateSyncTree(); DCHECK_EQ(device_scale_factor, host_impl()->active_tree()->device_scale_factor()); UpdateActiveTreeDrawProperties(device_scale_factor); } bool UpdateLayerListContains(int id) const { for (const auto& layer : update_layer_list_) { if (layer->id() == id) return true; } return false; } const LayerList& update_layer_list() const { return update_layer_list_; } const RenderSurfaceList& GetRenderSurfaceList() { return host_impl()->active_tree()->GetRenderSurfaceList(); } void SetDeviceTransform(const gfx::Transform& device_transform) { host_impl()->OnDraw(device_transform, host_impl()->external_viewport(), false, false); } private: LayerList update_layer_list_; }; class DrawPropertiesTest : public DrawPropertiesTestBase, public testing::Test {}; class DrawPropertiesTestWithLayerTree : public DrawPropertiesTestBase, public testing::Test { public: DrawPropertiesTestWithLayerTree() : DrawPropertiesTestBase(LayerTreeSettings()) {} }; class DrawPropertiesDrawRectsTest : public DrawPropertiesTest { public: DrawPropertiesDrawRectsTest() : DrawPropertiesTest() {} void SetUp() override { LayerImpl* root = root_layer(); root->SetDrawsContent(true); root->SetBounds(gfx::Size(500, 500)); } LayerImpl* TestVisibleRectAndDrawableContentRect( const gfx::Rect& target_rect, const gfx::Transform& layer_transform, const gfx::Rect& layer_rect) { LayerImpl* root = root_layer(); LayerImpl* target = AddLayer(); LayerImpl* drawing_layer = AddLayer(); target->SetDrawsContent(true); drawing_layer->SetDrawsContent(true); target->SetBounds(target_rect.size()); drawing_layer->SetBounds(layer_rect.size()); CopyProperties(root, target); CreateTransformNode(target).post_translation = gfx::PointF(target_rect.origin()).OffsetFromOrigin(); CreateEffectNode(target).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(target); CopyProperties(target, drawing_layer); auto& drawing_layer_transform_node = CreateTransformNode(drawing_layer); drawing_layer_transform_node.local = layer_transform; drawing_layer_transform_node.post_translation = gfx::PointF(layer_rect.origin()).OffsetFromOrigin(); drawing_layer_transform_node.flattens_inherited_transform = false; UpdateActiveTreeDrawProperties(); return drawing_layer; } }; // Sanity check: For layers positioned at zero, with zero size, // and with identity transforms, then the draw transform, // screen space transform, and the hierarchy passed on to children // layers should also be identity transforms. TEST_F(DrawPropertiesTest, TransformsForNoOpLayer) { LayerImpl* parent = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); parent->SetBounds(gfx::Size(100, 100)); CopyProperties(parent, child); CopyProperties(child, grand_child); UpdateActiveTreeDrawProperties(); EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), child->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), child->ScreenSpaceTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), grand_child->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), grand_child->ScreenSpaceTransform()); } TEST_F(DrawPropertiesTest, TransformsForSingleLayer) { LayerImpl* root = root_layer(); LayerImpl* layer = AddLayer(); TransformTree& transform_tree = host_impl()->active_tree()->property_trees()->transform_tree; EffectTree& effect_tree = host_impl()->active_tree()->property_trees()->effect_tree; root->SetBounds(gfx::Size(1, 2)); CopyProperties(root, layer); // Case 1: Setting the bounds of the layer should not affect either the draw // transform or the screenspace transform. layer->SetBounds(gfx::Size(10, 12)); UpdateActiveTreeDrawProperties(); EXPECT_TRANSFORMATION_MATRIX_EQ( gfx::Transform(), draw_property_utils::DrawTransform(layer, transform_tree, effect_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( gfx::Transform(), draw_property_utils::ScreenSpaceTransform(layer, transform_tree)); // Case 2: The anchor point by itself (without a layer transform) should have // no effect on the transforms. CreateTransformNode(layer).origin = gfx::Point3F(2.5f, 3.0f, 0.f); layer->SetBounds(gfx::Size(10, 12)); UpdateActiveTreeDrawProperties(); EXPECT_TRANSFORMATION_MATRIX_EQ( gfx::Transform(), draw_property_utils::DrawTransform(layer, transform_tree, effect_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( gfx::Transform(), draw_property_utils::ScreenSpaceTransform(layer, transform_tree)); // Case 3: A change in actual position affects both the draw transform and // screen space transform. gfx::Transform position_transform; position_transform.Translate(0.f, 1.2f); SetPostTranslation(layer, gfx::Vector2dF(0.f, 1.2f)); UpdateActiveTreeDrawProperties(); EXPECT_TRANSFORMATION_MATRIX_EQ( position_transform, draw_property_utils::DrawTransform(layer, transform_tree, effect_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( position_transform, draw_property_utils::ScreenSpaceTransform(layer, transform_tree)); // Case 4: In the correct sequence of transforms, the layer transform should // pre-multiply the translation-to-center. This is easily tested by using a // scale transform, because scale and translation are not commutative. gfx::Transform layer_transform; layer_transform.Scale3d(2.0, 2.0, 1.0); SetTransform(layer, layer_transform); SetTransformOrigin(layer, gfx::Point3F()); SetPostTranslation(layer, gfx::Vector2dF()); UpdateActiveTreeDrawProperties(); EXPECT_TRANSFORMATION_MATRIX_EQ( layer_transform, draw_property_utils::DrawTransform(layer, transform_tree, effect_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( layer_transform, draw_property_utils::ScreenSpaceTransform(layer, transform_tree)); // Case 5: The layer transform should occur with respect to the anchor point. gfx::Transform translation_to_anchor; translation_to_anchor.Translate(5.0, 0.0); gfx::Transform expected_result = translation_to_anchor * layer_transform * Inverse(translation_to_anchor); SetTransformOrigin(layer, gfx::Point3F(5.f, 0.f, 0.f)); UpdateActiveTreeDrawProperties(); EXPECT_TRANSFORMATION_MATRIX_EQ( expected_result, draw_property_utils::DrawTransform(layer, transform_tree, effect_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( expected_result, draw_property_utils::ScreenSpaceTransform(layer, transform_tree)); // Case 6: Verify that position pre-multiplies the layer transform. The // current implementation of CalculateDrawProperties does this implicitly, but // it is still worth testing to detect accidental regressions. expected_result = position_transform * translation_to_anchor * layer_transform * Inverse(translation_to_anchor); SetPostTranslation(layer, gfx::Vector2dF(0.f, 1.2f)); UpdateActiveTreeDrawProperties(); EXPECT_TRANSFORMATION_MATRIX_EQ( expected_result, draw_property_utils::DrawTransform(layer, transform_tree, effect_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( expected_result, draw_property_utils::ScreenSpaceTransform(layer, transform_tree)); } TEST_F(DrawPropertiesTest, TransformsAboutScrollOffset) { const gfx::ScrollOffset kScrollOffset(50, 100); const gfx::Vector2dF kScrollDelta(2.34f, 5.67f); const gfx::Vector2d kMaxScrollOffset(200, 200); const gfx::PointF kScrollLayerPosition(-kScrollOffset.x(), -kScrollOffset.y()); float page_scale = 0.888f; const float kDeviceScale = 1.666f; LayerImpl* sublayer = AddLayer(); sublayer->SetDrawsContent(true); sublayer->SetBounds(gfx::Size(500, 500)); LayerImpl* scroll_layer = AddLayer(); scroll_layer->SetBounds(sublayer->bounds()); scroll_layer->SetElementId(LayerIdToElementIdForTesting(scroll_layer->id())); LayerImpl* root = root_layer(); root->SetBounds(gfx::Size(3, 4)); SetupViewport(root, gfx::Size(3, 4), gfx::Size(500, 500)); CopyProperties(OuterViewportScrollLayer(), scroll_layer); CreateTransformNode(scroll_layer); CreateScrollNode( scroll_layer, gfx::Size(scroll_layer->bounds().width() - kMaxScrollOffset.x(), scroll_layer->bounds().height() - kMaxScrollOffset.y())); CopyProperties(scroll_layer, sublayer); auto& scroll_tree = GetPropertyTrees(scroll_layer)->scroll_tree; scroll_tree.UpdateScrollOffsetBaseForTesting(scroll_layer->element_id(), kScrollOffset); SetScrollOffsetDelta(scroll_layer, kScrollDelta); host_impl()->active_tree()->SetPageScaleOnActiveTree(page_scale); UpdateActiveTreeDrawProperties(kDeviceScale); gfx::Transform expected_transform; gfx::PointF sub_layer_screen_position = kScrollLayerPosition - kScrollDelta; expected_transform.Translate( std::round(sub_layer_screen_position.x() * page_scale * kDeviceScale), std::round(sub_layer_screen_position.y() * page_scale * kDeviceScale)); expected_transform.Scale(page_scale * kDeviceScale, page_scale * kDeviceScale); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform, sublayer->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform, sublayer->ScreenSpaceTransform()); gfx::Transform arbitrary_translate; const float kTranslateX = 10.6f; const float kTranslateY = 20.6f; arbitrary_translate.Translate(kTranslateX, kTranslateY); SetTransform(scroll_layer, arbitrary_translate); UpdateActiveTreeDrawProperties(kDeviceScale); expected_transform.MakeIdentity(); expected_transform.Translate( std::round(kTranslateX * page_scale * kDeviceScale + sub_layer_screen_position.x() * page_scale * kDeviceScale), std::round(kTranslateY * page_scale * kDeviceScale + sub_layer_screen_position.y() * page_scale * kDeviceScale)); expected_transform.Scale(page_scale * kDeviceScale, page_scale * kDeviceScale); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform, sublayer->DrawTransform()); // Test that page scale is updated even when we don't rebuild property trees. page_scale = 1.888f; host_impl()->active_tree()->SetPageScaleOnActiveTree(page_scale); EXPECT_FALSE(host_impl()->active_tree()->property_trees()->needs_rebuild); UpdateActiveTreeDrawProperties(kDeviceScale); expected_transform.MakeIdentity(); expected_transform.Translate( std::round(kTranslateX * page_scale * kDeviceScale + sub_layer_screen_position.x() * page_scale * kDeviceScale), std::round(kTranslateY * page_scale * kDeviceScale + sub_layer_screen_position.y() * page_scale * kDeviceScale)); expected_transform.Scale(page_scale * kDeviceScale, page_scale * kDeviceScale); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform, sublayer->DrawTransform()); } TEST_F(DrawPropertiesTest, TransformsForSimpleHierarchy) { LayerImpl* root = root_layer(); LayerImpl* parent = AddLayer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); // One-time setup of root layer root->SetBounds(gfx::Size(1, 2)); TransformTree& transform_tree = host_impl()->active_tree()->property_trees()->transform_tree; EffectTree& effect_tree = host_impl()->active_tree()->property_trees()->effect_tree; // Case 1: parent's anchor point should not affect child or grand_child. parent->SetBounds(gfx::Size(10, 12)); child->SetBounds(gfx::Size(16, 18)); grand_child->SetBounds(gfx::Size(76, 78)); CopyProperties(root, parent); CreateTransformNode(parent).origin = gfx::Point3F(2.5f, 3.0f, 0.f); CopyProperties(parent, child); CopyProperties(child, grand_child); UpdateActiveTreeDrawProperties(); EXPECT_TRANSFORMATION_MATRIX_EQ( gfx::Transform(), draw_property_utils::DrawTransform(child, transform_tree, effect_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( gfx::Transform(), draw_property_utils::ScreenSpaceTransform(child, transform_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( gfx::Transform(), draw_property_utils::DrawTransform( grand_child, transform_tree, effect_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( gfx::Transform(), draw_property_utils::ScreenSpaceTransform(grand_child, transform_tree)); // Case 2: parent's position affects child and grand_child. gfx::Transform parent_position_transform; parent_position_transform.Translate(0.f, 1.2f); SetPostTranslation(parent, gfx::Vector2dF(0.f, 1.2f)); UpdateActiveTreeDrawProperties(); EXPECT_TRANSFORMATION_MATRIX_EQ( parent_position_transform, draw_property_utils::DrawTransform(child, transform_tree, effect_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( parent_position_transform, draw_property_utils::ScreenSpaceTransform(child, transform_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( parent_position_transform, draw_property_utils::DrawTransform( grand_child, transform_tree, effect_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( parent_position_transform, draw_property_utils::ScreenSpaceTransform(grand_child, transform_tree)); // Case 3: parent's local transform affects child and grandchild gfx::Transform parent_layer_transform; parent_layer_transform.Scale3d(2.0, 2.0, 1.0); gfx::Transform parent_translation_to_anchor; parent_translation_to_anchor.Translate(2.5, 3.0); gfx::Transform parent_composite_transform = parent_translation_to_anchor * parent_layer_transform * Inverse(parent_translation_to_anchor); SetTransform(parent, parent_layer_transform); SetPostTranslation(parent, gfx::Vector2dF()); UpdateActiveTreeDrawProperties(); EXPECT_TRANSFORMATION_MATRIX_EQ( parent_composite_transform, draw_property_utils::DrawTransform(child, transform_tree, effect_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( parent_composite_transform, draw_property_utils::ScreenSpaceTransform(child, transform_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( parent_composite_transform, draw_property_utils::DrawTransform(grand_child, transform_tree, effect_tree)); EXPECT_TRANSFORMATION_MATRIX_EQ( parent_composite_transform, draw_property_utils::ScreenSpaceTransform(grand_child, transform_tree)); } TEST_F(DrawPropertiesTest, TransformsForSingleRenderSurface) { LayerImpl* root = root_layer(); LayerImpl* parent = AddLayer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); gfx::Transform parent_layer_transform; parent_layer_transform.Scale3d(1.f, 0.9f, 1.f); gfx::Transform parent_translation_to_anchor; parent_translation_to_anchor.Translate(25.0, 30.0); gfx::Transform parent_composite_transform = parent_translation_to_anchor * parent_layer_transform * Inverse(parent_translation_to_anchor); gfx::Vector2dF parent_composite_scale = MathUtil::ComputeTransform2dScaleComponents(parent_composite_transform, 1.f); gfx::Transform surface_sublayer_transform; surface_sublayer_transform.Scale(parent_composite_scale.x(), parent_composite_scale.y()); gfx::Transform surface_sublayer_composite_transform = parent_composite_transform * Inverse(surface_sublayer_transform); root->SetBounds(gfx::Size(1, 2)); parent->SetBounds(gfx::Size(100, 120)); child->SetBounds(gfx::Size(16, 18)); grand_child->SetBounds(gfx::Size(8, 10)); grand_child->SetDrawsContent(true); CopyProperties(root, parent); auto& parent_transform_node = CreateTransformNode(parent); parent_transform_node.origin = gfx::Point3F(2.5f, 30.f, 0.f); parent_transform_node.local = parent_layer_transform; CopyProperties(parent, child); CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(child, grand_child); UpdateActiveTreeDrawProperties(); // Render surface should have been created now. ASSERT_TRUE(GetRenderSurface(child)); ASSERT_EQ(GetRenderSurface(child), child->render_target()); // The child layer's draw transform should refer to its new render surface. // The screen-space transform, however, should still refer to the root. EXPECT_TRANSFORMATION_MATRIX_EQ(surface_sublayer_transform, child->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(parent_composite_transform, child->ScreenSpaceTransform()); // Because the grand_child is the only drawable content, the child's render // surface will tighten its bounds to the grand_child. The scale at which the // surface's subtree is drawn must be removed from the composite transform. EXPECT_TRANSFORMATION_MATRIX_EQ(surface_sublayer_composite_transform, child->render_target()->draw_transform()); // The screen space is the same as the target since the child surface draws // into the root. EXPECT_TRANSFORMATION_MATRIX_EQ( surface_sublayer_composite_transform, child->render_target()->screen_space_transform()); } TEST_F(DrawPropertiesTest, TransformsForRenderSurfaceHierarchy) { // This test creates a more complex tree and verifies it all at once. This // covers the following cases: // - layers that are described w.r.t. a render surface: should have draw // transforms described w.r.t. that surface // - A render surface described w.r.t. an ancestor render surface: should // have a draw transform described w.r.t. that ancestor surface // - Sanity check on recursion: verify transforms of layers described w.r.t. // a render surface that is described w.r.t. an ancestor render surface. // - verifying that each layer has a reference to the correct render surface // and render target values. LayerImpl* root = root_layer(); LayerImpl* parent = AddLayer(); parent->SetDrawsContent(true); LayerImpl* render_surface1 = AddLayer(); render_surface1->SetDrawsContent(true); LayerImpl* render_surface2 = AddLayer(); render_surface2->SetDrawsContent(true); LayerImpl* child_of_root = AddLayer(); child_of_root->SetDrawsContent(true); LayerImpl* child_of_rs1 = AddLayer(); child_of_rs1->SetDrawsContent(true); LayerImpl* child_of_rs2 = AddLayer(); child_of_rs2->SetDrawsContent(true); LayerImpl* grand_child_of_root = AddLayer(); grand_child_of_root->SetDrawsContent(true); LayerImpl* grand_child_of_rs1 = AddLayer(); grand_child_of_rs1->SetDrawsContent(true); LayerImpl* grand_child_of_rs2 = AddLayer(); grand_child_of_rs2->SetDrawsContent(true); // All layers in the tree are initialized with an anchor at .25 and a size of // (10,10). Matrix "A" is the composite layer transform used in all layers. gfx::Transform translation_to_anchor; translation_to_anchor.Translate(2.5, 0.0); gfx::Transform layer_transform; layer_transform.Translate(1.0, 1.0); gfx::Transform A = translation_to_anchor * layer_transform * Inverse(translation_to_anchor); gfx::Vector2dF surface1_parent_transform_scale = MathUtil::ComputeTransform2dScaleComponents(A, 1.f); gfx::Transform surface1_sublayer_transform; surface1_sublayer_transform.Scale(surface1_parent_transform_scale.x(), surface1_parent_transform_scale.y()); // SS1 = transform given to the subtree of render_surface1 gfx::Transform SS1 = surface1_sublayer_transform; // S1 = transform to move from render_surface1 pixels to the layer space of // the owning layer gfx::Transform S1 = Inverse(surface1_sublayer_transform); gfx::Vector2dF surface2_parent_transform_scale = MathUtil::ComputeTransform2dScaleComponents(SS1 * A, 1.f); gfx::Transform surface2_sublayer_transform; surface2_sublayer_transform.Scale(surface2_parent_transform_scale.x(), surface2_parent_transform_scale.y()); // SS2 = transform given to the subtree of render_surface2 gfx::Transform SS2 = surface2_sublayer_transform; // S2 = transform to move from render_surface2 pixels to the layer space of // the owning layer gfx::Transform S2 = Inverse(surface2_sublayer_transform); root->SetBounds(gfx::Size(1, 2)); parent->SetBounds(gfx::Size(10, 10)); render_surface1->SetBounds(gfx::Size(10, 10)); render_surface2->SetBounds(gfx::Size(10, 10)); child_of_root->SetBounds(gfx::Size(10, 10)); child_of_rs1->SetBounds(gfx::Size(10, 10)); child_of_rs2->SetBounds(gfx::Size(10, 10)); grand_child_of_root->SetBounds(gfx::Size(10, 10)); grand_child_of_rs1->SetBounds(gfx::Size(10, 10)); grand_child_of_rs2->SetBounds(gfx::Size(10, 10)); CopyProperties(root, parent); auto& parent_transform_node = CreateTransformNode(parent); parent_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f); parent_transform_node.local = layer_transform; CopyProperties(parent, child_of_root); auto& child_of_root_transform_node = CreateTransformNode(child_of_root); child_of_root_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f); child_of_root_transform_node.local = layer_transform; CopyProperties(child_of_root, grand_child_of_root); auto& grand_child_of_root_transform_node = CreateTransformNode(grand_child_of_root); grand_child_of_root_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f); grand_child_of_root_transform_node.local = layer_transform; CopyProperties(parent, render_surface1); auto& render_surface1_transform_node = CreateTransformNode(render_surface1); render_surface1_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f); render_surface1_transform_node.local = layer_transform; auto& render_surface1_effect_node = CreateEffectNode(render_surface1); render_surface1_effect_node.render_surface_reason = RenderSurfaceReason::kTest; render_surface1_effect_node.opacity = 0.5f; CopyProperties(render_surface1, child_of_rs1); auto& child_of_rs1_transform_node = CreateTransformNode(child_of_rs1); child_of_rs1_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f); child_of_rs1_transform_node.local = layer_transform; CopyProperties(child_of_rs1, grand_child_of_rs1); auto& grand_child_of_rs1_transform_node = CreateTransformNode(grand_child_of_rs1); grand_child_of_rs1_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f); grand_child_of_rs1_transform_node.local = layer_transform; CopyProperties(render_surface1, render_surface2); auto& render_surface2_transform_node = CreateTransformNode(render_surface2); render_surface2_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f); render_surface2_transform_node.local = layer_transform; auto& render_surface2_effect_node = CreateEffectNode(render_surface2); render_surface2_effect_node.render_surface_reason = RenderSurfaceReason::kTest; render_surface2_effect_node.opacity = 0.33f; CopyProperties(render_surface2, child_of_rs2); auto& child_of_rs2_transform_node = CreateTransformNode(child_of_rs2); child_of_rs2_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f); child_of_rs2_transform_node.local = layer_transform; CopyProperties(child_of_rs2, grand_child_of_rs2); auto& grand_child_of_rs2_transform_node = CreateTransformNode(grand_child_of_rs2); grand_child_of_rs2_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f); grand_child_of_rs2_transform_node.local = layer_transform; UpdateActiveTreeDrawProperties(); // Only layers that are associated with render surfaces should have an actual // RenderSurface() value. ASSERT_TRUE(GetRenderSurface(root)); ASSERT_EQ(GetRenderSurface(child_of_root), GetRenderSurface(root)); ASSERT_EQ(GetRenderSurface(grand_child_of_root), GetRenderSurface(root)); ASSERT_NE(GetRenderSurface(render_surface1), GetRenderSurface(root)); ASSERT_EQ(GetRenderSurface(child_of_rs1), GetRenderSurface(render_surface1)); ASSERT_EQ(GetRenderSurface(grand_child_of_rs1), GetRenderSurface(render_surface1)); ASSERT_NE(GetRenderSurface(render_surface2), GetRenderSurface(root)); ASSERT_NE(GetRenderSurface(render_surface2), GetRenderSurface(render_surface1)); ASSERT_EQ(GetRenderSurface(child_of_rs2), GetRenderSurface(render_surface2)); ASSERT_EQ(GetRenderSurface(grand_child_of_rs2), GetRenderSurface(render_surface2)); // Verify all render target accessors EXPECT_EQ(GetRenderSurface(root), parent->render_target()); EXPECT_EQ(GetRenderSurface(root), child_of_root->render_target()); EXPECT_EQ(GetRenderSurface(root), grand_child_of_root->render_target()); EXPECT_EQ(GetRenderSurface(render_surface1), render_surface1->render_target()); EXPECT_EQ(GetRenderSurface(render_surface1), child_of_rs1->render_target()); EXPECT_EQ(GetRenderSurface(render_surface1), grand_child_of_rs1->render_target()); EXPECT_EQ(GetRenderSurface(render_surface2), render_surface2->render_target()); EXPECT_EQ(GetRenderSurface(render_surface2), child_of_rs2->render_target()); EXPECT_EQ(GetRenderSurface(render_surface2), grand_child_of_rs2->render_target()); // Verify layer draw transforms note that draw transforms are described with // respect to the nearest ancestor render surface but screen space transforms // are described with respect to the root. EXPECT_TRANSFORMATION_MATRIX_EQ(A, parent->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(A * A, child_of_root->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A, grand_child_of_root->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(SS1, render_surface1->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(SS1 * A, child_of_rs1->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(SS1 * A * A, grand_child_of_rs1->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(SS2, render_surface2->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(SS2 * A, child_of_rs2->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(SS2 * A * A, grand_child_of_rs2->DrawTransform()); // Verify layer screen-space transforms // EXPECT_TRANSFORMATION_MATRIX_EQ(A, parent->ScreenSpaceTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(A * A, child_of_root->ScreenSpaceTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A, grand_child_of_root->ScreenSpaceTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(A * A, render_surface1->ScreenSpaceTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A, child_of_rs1->ScreenSpaceTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A * A, grand_child_of_rs1->ScreenSpaceTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A, render_surface2->ScreenSpaceTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A * A, child_of_rs2->ScreenSpaceTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A * A * A, grand_child_of_rs2->ScreenSpaceTransform()); // Verify render surface transforms. // // Draw transform of render surface 1 is described with respect to root. EXPECT_TRANSFORMATION_MATRIX_EQ( A * A * S1, GetRenderSurface(render_surface1)->draw_transform()); EXPECT_TRANSFORMATION_MATRIX_EQ( A * A * S1, GetRenderSurface(render_surface1)->screen_space_transform()); // Draw transform of render surface 2 is described with respect to render // surface 1. EXPECT_TRANSFORMATION_MATRIX_EQ( SS1 * A * S2, GetRenderSurface(render_surface2)->draw_transform()); EXPECT_TRANSFORMATION_MATRIX_EQ( A * A * A * S2, GetRenderSurface(render_surface2)->screen_space_transform()); // Sanity check. If these fail there is probably a bug in the test itself. It // is expected that we correctly set up transforms so that the y-component of // the screen-space transform encodes the "depth" of the layer in the tree. EXPECT_FLOAT_EQ(1.0, parent->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ(2.0, child_of_root->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ( 3.0, grand_child_of_root->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ(2.0, render_surface1->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ(3.0, child_of_rs1->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ( 4.0, grand_child_of_rs1->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ(3.0, render_surface2->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ(4.0, child_of_rs2->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ( 5.0, grand_child_of_rs2->ScreenSpaceTransform().matrix().get(1, 3)); } TEST_F(DrawPropertiesTest, LayerFullyContainedWithinClipInTargetSpace) { LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); gfx::Transform child_transform; child_transform.Translate(50.0, 50.0); child_transform.RotateAboutZAxis(30.0); gfx::Transform grand_child_transform; grand_child_transform.RotateAboutYAxis(90.0); root->SetBounds(gfx::Size(200, 200)); child->SetBounds(gfx::Size(10, 10)); grand_child->SetBounds(gfx::Size(100, 100)); grand_child->SetDrawsContent(true); CopyProperties(root, child); CreateTransformNode(child).local = child_transform; CopyProperties(child, grand_child); auto& grand_child_transform_node = CreateTransformNode(grand_child); grand_child_transform_node.flattens_inherited_transform = false; grand_child_transform_node.local = grand_child_transform; UpdateActiveTreeDrawProperties(); // Mapping grand_child's bounds to screen space produces an empty rect, but // only because it is turned sideways. The entire rect is contained inside // the clip, and is only empty so long as the numerical precision of the // transform is effectively perfect. Currently we do the calculation the // other way around, and the Projection of the screen space clip into layer // space includes the entire bounds. EXPECT_EQ(gfx::Rect(grand_child->bounds()), grand_child->visible_layer_rect()); } TEST_F(DrawPropertiesTest, TransformsForDegenerateIntermediateLayer) { // A layer that is empty in one axis, but not the other, was accidentally // skipping a necessary translation. Without that translation, the coordinate // space of the layer's draw transform is incorrect. // // Normally this isn't a problem, because the layer wouldn't be drawn anyway, // but if that layer becomes a render surface, then its draw transform is // implicitly inherited by the rest of the subtree, which then is positioned // incorrectly as a result. LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); grand_child->SetDrawsContent(true); root->SetBounds(gfx::Size(100, 100)); // The child height is zero, but has non-zero width that should be accounted // for while computing draw transforms. child->SetBounds(gfx::Size(10, 0)); grand_child->SetBounds(gfx::Size(10, 10)); CopyProperties(root, child); CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(child, grand_child); UpdateActiveTreeDrawProperties(); ASSERT_TRUE(GetRenderSurface(child)); // This is the real test, the rest are sanity checks. EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), GetRenderSurface(child)->draw_transform()); EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), child->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), grand_child->DrawTransform()); } TEST_F(DrawPropertiesTest, RenderSurfaceWithSublayerScale) { LayerImpl* root = root_layer(); LayerImpl* render_surface = AddLayer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); gfx::Transform translate; translate.Translate3d(5, 5, 5); root->SetBounds(gfx::Size(100, 100)); render_surface->SetBounds(gfx::Size(100, 100)); child->SetBounds(gfx::Size(100, 100)); grand_child->SetBounds(gfx::Size(100, 100)); grand_child->SetDrawsContent(true); CopyProperties(root, render_surface); CreateTransformNode(render_surface).local = translate; CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface, child); CreateTransformNode(child).local = translate; CopyProperties(child, grand_child); CreateTransformNode(grand_child).local = translate; // render_surface will have a sublayer scale because of device scale factor. float device_scale_factor = 2.0f; UpdateActiveTreeDrawProperties(device_scale_factor); // Between grand_child and render_surface, we translate by (10, 10) and scale // by a factor of 2. gfx::Vector2dF expected_translation(20.0f, 20.0f); EXPECT_EQ(grand_child->DrawTransform().To2dTranslation(), expected_translation); } TEST_F(DrawPropertiesTest, TransformAboveRootLayer) { // Transformations applied at the root of the tree should be forwarded // to child layers instead of applied to the root RenderSurface. LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); root->SetDrawsContent(true); root->SetBounds(gfx::Size(100, 100)); child->SetDrawsContent(true); child->SetBounds(gfx::Size(100, 100)); CopyProperties(root, child); CreateClipNode(child); float device_scale_factor = 1.0f; gfx::Transform translate; translate.Translate(50, 50); { SetDeviceTransform(translate); UpdateActiveTreeDrawProperties(device_scale_factor); EXPECT_TRANSFORMATION_MATRIX_EQ( translate, root->draw_properties().target_space_transform); EXPECT_TRANSFORMATION_MATRIX_EQ( translate, child->draw_properties().target_space_transform); EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), GetRenderSurface(root)->draw_transform()); EXPECT_TRANSFORMATION_MATRIX_EQ(translate, child->ScreenSpaceTransform()); EXPECT_EQ(gfx::Rect(50, 50, 100, 100), child->clip_rect()); } gfx::Transform scale; scale.Scale(2, 2); { SetDeviceTransform(scale); UpdateActiveTreeDrawProperties(device_scale_factor); EXPECT_TRANSFORMATION_MATRIX_EQ( scale, root->draw_properties().target_space_transform); EXPECT_TRANSFORMATION_MATRIX_EQ( scale, child->draw_properties().target_space_transform); EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), GetRenderSurface(root)->draw_transform()); EXPECT_TRANSFORMATION_MATRIX_EQ(scale, child->ScreenSpaceTransform()); EXPECT_EQ(gfx::Rect(0, 0, 200, 200), child->clip_rect()); } gfx::Transform rotate; rotate.Rotate(2); { SetDeviceTransform(rotate); UpdateActiveTreeDrawProperties(device_scale_factor); EXPECT_TRANSFORMATION_MATRIX_EQ( rotate, root->draw_properties().target_space_transform); EXPECT_TRANSFORMATION_MATRIX_EQ( rotate, child->draw_properties().target_space_transform); EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), GetRenderSurface(root)->draw_transform()); EXPECT_TRANSFORMATION_MATRIX_EQ(rotate, child->ScreenSpaceTransform()); EXPECT_EQ(gfx::Rect(-4, 0, 104, 104), child->clip_rect()); } gfx::Transform composite; composite.ConcatTransform(translate); composite.ConcatTransform(scale); composite.ConcatTransform(rotate); { SetDeviceTransform(composite); UpdateActiveTreeDrawProperties(device_scale_factor); EXPECT_TRANSFORMATION_MATRIX_EQ( composite, root->draw_properties().target_space_transform); EXPECT_TRANSFORMATION_MATRIX_EQ( composite, child->draw_properties().target_space_transform); EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), GetRenderSurface(root)->draw_transform()); EXPECT_TRANSFORMATION_MATRIX_EQ(composite, child->ScreenSpaceTransform()); EXPECT_EQ(gfx::Rect(89, 103, 208, 208), child->clip_rect()); } // Verify it composes correctly with device scale. device_scale_factor = 1.5f; { SetDeviceTransform(translate); UpdateActiveTreeDrawProperties(device_scale_factor); gfx::Transform device_scaled_translate = translate; device_scaled_translate.Scale(device_scale_factor, device_scale_factor); EXPECT_TRANSFORMATION_MATRIX_EQ( device_scaled_translate, root->draw_properties().target_space_transform); EXPECT_TRANSFORMATION_MATRIX_EQ( device_scaled_translate, child->draw_properties().target_space_transform); EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), GetRenderSurface(root)->draw_transform()); EXPECT_TRANSFORMATION_MATRIX_EQ(device_scaled_translate, child->ScreenSpaceTransform()); EXPECT_EQ(gfx::Rect(50, 50, 150, 150), child->clip_rect()); } } TEST_F(DrawPropertiesTest, DrawableContentRectForReferenceFilter) { LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); root->SetBounds(gfx::Size(100, 100)); child->SetBounds(gfx::Size(25, 25)); child->SetDrawsContent(true); FilterOperations filters; filters.Append(FilterOperation::CreateReferenceFilter( sk_make_sp(50, 50, nullptr))); CopyProperties(root, child); auto& child_effect_node = CreateEffectNode(child); child_effect_node.render_surface_reason = RenderSurfaceReason::kTest; child_effect_node.filters = filters; UpdateActiveTreeDrawProperties(); // The render surface's size should be unaffected by the offset image filter; // it need only have a drawable content rect large enough to contain the // contents (at the new offset). ASSERT_TRUE(GetRenderSurface(child)); EXPECT_EQ(gfx::RectF(50, 50, 25, 25), GetRenderSurface(child)->DrawableContentRect()); } TEST_F(DrawPropertiesTest, DrawableContentRectForReferenceFilterHighDpi) { const float device_scale_factor = 2.0f; LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); root->SetBounds(gfx::Size(100, 100)); child->SetBounds(gfx::Size(25, 25)); child->SetDrawsContent(true); FilterOperations filters; filters.Append(FilterOperation::CreateReferenceFilter( sk_make_sp(50, 50, nullptr))); CopyProperties(root, child); auto& child_effect_node = CreateEffectNode(child); child_effect_node.render_surface_reason = RenderSurfaceReason::kTest; child_effect_node.filters = filters; UpdateActiveTreeDrawProperties(device_scale_factor); // The render surface's size should be unaffected by the offset image filter; // it need only have a drawable content rect large enough to contain the // contents (at the new offset). All coordinates should be scaled by 2, // corresponding to the device scale factor. ASSERT_TRUE(GetRenderSurface(child)); EXPECT_EQ(gfx::RectF(100, 100, 50, 50), GetRenderSurface(child)->DrawableContentRect()); } TEST_F(DrawPropertiesTest, RenderSurfaceForBlendMode) { LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); root->SetBounds(gfx::Size(10, 10)); child->SetBounds(gfx::Size(10, 10)); child->SetDrawsContent(true); CopyProperties(root, child); auto& child_effect_node = CreateEffectNode(child); child_effect_node.render_surface_reason = RenderSurfaceReason::kTest; child_effect_node.blend_mode = SkBlendMode::kMultiply; child_effect_node.opacity = 0.5f; UpdateActiveTreeDrawProperties(); // Since the child layer has a blend mode other than normal, it should get // its own render surface. ASSERT_TRUE(GetRenderSurface(child)); EXPECT_EQ(1.0f, child->draw_opacity()); EXPECT_EQ(0.5f, GetRenderSurface(child)->draw_opacity()); EXPECT_EQ(SkBlendMode::kMultiply, GetRenderSurface(child)->BlendMode()); } TEST_F(DrawPropertiesTest, RenderSurfaceDrawOpacity) { LayerImpl* root = root_layer(); LayerImpl* surface1 = AddLayer(); LayerImpl* not_surface = AddLayer(); LayerImpl* surface2 = AddLayer(); root->SetBounds(gfx::Size(10, 10)); surface1->SetBounds(gfx::Size(10, 10)); surface1->SetDrawsContent(true); not_surface->SetBounds(gfx::Size(10, 10)); surface2->SetBounds(gfx::Size(10, 10)); surface2->SetDrawsContent(true); CopyProperties(root, surface1); auto& surface1_effect_node = CreateEffectNode(surface1); surface1_effect_node.render_surface_reason = RenderSurfaceReason::kTest; surface1_effect_node.opacity = 0.5f; CopyProperties(surface1, not_surface); CreateEffectNode(not_surface).opacity = 0.5f; CopyProperties(not_surface, surface2); auto& surface2_effect_node = CreateEffectNode(surface2); surface2_effect_node.render_surface_reason = RenderSurfaceReason::kTest; surface2_effect_node.opacity = 0.5f; UpdateActiveTreeDrawProperties(); ASSERT_TRUE(GetRenderSurface(surface1)); ASSERT_EQ(GetRenderSurface(not_surface), GetRenderSurface(surface1)); ASSERT_TRUE(GetRenderSurface(surface2)); EXPECT_EQ(0.5f, GetRenderSurface(surface1)->draw_opacity()); // surface2's draw opacity should include the opacity of not-surface and // itself, but not the opacity of surface1. EXPECT_EQ(0.25f, GetRenderSurface(surface2)->draw_opacity()); } TEST_F(DrawPropertiesTest, ClipRectCullsRenderSurfaces) { // The entire subtree of layers that are outside the clip rect should be // culled away, and should not affect the GetRenderSurfaceList. // // The test tree is set up as follows: // - all layers except the leaf_nodes are forced to be a new render surface // that have something to draw. // - parent is a large container layer. // - child has MasksToBounds=true to cause clipping. // - grand_child is positioned outside of the child's bounds // - great_grand_child is also kept outside child's bounds. // // In this configuration, grand_child and great_grand_child are completely // outside the clip rect, and they should never get scheduled on the list of // render surfaces. LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); LayerImpl* great_grand_child = AddLayer(); // leaf_node1 ensures that root and child are kept on the // GetRenderSurfaceList, even though grand_child and great_grand_child should // be clipped. LayerImpl* leaf_node1 = AddLayer(); LayerImpl* leaf_node2 = AddLayer(); root->SetBounds(gfx::Size(500, 500)); child->SetBounds(gfx::Size(20, 20)); grand_child->SetBounds(gfx::Size(10, 10)); great_grand_child->SetBounds(gfx::Size(10, 10)); leaf_node1->SetBounds(gfx::Size(500, 500)); leaf_node1->SetDrawsContent(true); leaf_node1->SetBounds(gfx::Size(20, 20)); leaf_node2->SetDrawsContent(true); CopyProperties(root, child); CreateClipNode(child); CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(child, leaf_node1); CopyProperties(child, grand_child); grand_child->SetOffsetToTransformParent(gfx::Vector2dF(45.f, 45.f)); CopyProperties(grand_child, great_grand_child); great_grand_child->SetOffsetToTransformParent( grand_child->offset_to_transform_parent()); CopyProperties(great_grand_child, leaf_node2); leaf_node2->SetOffsetToTransformParent( great_grand_child->offset_to_transform_parent()); UpdateActiveTreeDrawProperties(); ASSERT_EQ(2U, GetRenderSurfaceList().size()); EXPECT_EQ(static_cast(root->id()), GetRenderSurfaceList().at(0)->id()); EXPECT_EQ(static_cast(child->id()), GetRenderSurfaceList().at(1)->id()); } TEST_F(DrawPropertiesTest, ClipRectCullsSurfaceWithoutVisibleContent) { // When a render surface has a clip rect, it is used to clip the content rect // of the surface. // The test tree is set up as follows: // - root is a container layer that masksToBounds=true to cause clipping. // - child is a render surface, which has a clip rect set to the bounds of // the root. // - grand_child is a render surface, and the only visible content in child. // It is positioned outside of the clip rect from root. // In this configuration, grand_child should be outside the clipped // content rect of the child, making grand_child not appear in the // GetRenderSurfaceList. LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); LayerImpl* leaf_node = AddLayer(); root->SetBounds(gfx::Size(100, 100)); child->SetBounds(gfx::Size(20, 20)); grand_child->SetBounds(gfx::Size(10, 10)); leaf_node->SetBounds(gfx::Size(10, 10)); leaf_node->SetDrawsContent(true); CreateClipNode(root); CopyProperties(root, child); CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(child, grand_child); grand_child->SetOffsetToTransformParent(gfx::Vector2dF(200.f, 200.f)); CreateEffectNode(grand_child).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(grand_child, leaf_node); leaf_node->SetOffsetToTransformParent( grand_child->offset_to_transform_parent()); UpdateActiveTreeDrawProperties(); // We should cull child and grand_child from the GetRenderSurfaceList. ASSERT_EQ(1U, GetRenderSurfaceList().size()); EXPECT_EQ(static_cast(root->id()), GetRenderSurfaceList().at(0)->id()); } TEST_F(DrawPropertiesTest, IsClippedIsSetCorrectlyLayerImpl) { // Tests that LayerImpl's IsClipped() property is set to true when: // - the layer clips its subtree, e.g. masks to bounds, // - the layer is clipped by an ancestor that contributes to the same // render target, // - a surface is clipped by an ancestor that contributes to the same // render target. // // In particular, for a layer that owns a render surface: // - the render surface inherits any clip from ancestors, and does NOT // pass that clipped status to the layer itself. // - but if the layer itself masks to bounds, it is considered clipped // and propagates the clip to the subtree. LayerImpl* root = root_layer(); LayerImpl* parent = AddLayer(); LayerImpl* child1 = AddLayer(); LayerImpl* child2 = AddLayer(); LayerImpl* grand_child = AddLayer(); LayerImpl* leaf_node1 = AddLayer(); LayerImpl* leaf_node2 = AddLayer(); root->SetBounds(gfx::Size(100, 100)); parent->SetBounds(gfx::Size(100, 100)); parent->SetDrawsContent(true); child1->SetBounds(gfx::Size(100, 100)); child1->SetDrawsContent(true); child2->SetBounds(gfx::Size(100, 100)); child2->SetDrawsContent(true); grand_child->SetBounds(gfx::Size(100, 100)); grand_child->SetDrawsContent(true); leaf_node1->SetBounds(gfx::Size(100, 100)); leaf_node1->SetDrawsContent(true); leaf_node2->SetBounds(gfx::Size(100, 100)); leaf_node2->SetDrawsContent(true); CopyProperties(root, parent); CopyProperties(parent, child1); CopyProperties(child1, grand_child); CopyProperties(grand_child, leaf_node1); CopyProperties(parent, child2); CreateTransformNode(child2); CreateEffectNode(child2).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(child2, leaf_node2); // Case 1: nothing is clipped except the root render surface. UpdateActiveTreeDrawProperties(); ASSERT_TRUE(GetRenderSurface(root)); ASSERT_TRUE(GetRenderSurface(child2)); EXPECT_FALSE(root->is_clipped()); EXPECT_TRUE(GetRenderSurface(root)->is_clipped()); EXPECT_FALSE(parent->is_clipped()); EXPECT_FALSE(child1->is_clipped()); EXPECT_FALSE(child2->is_clipped()); EXPECT_FALSE(GetRenderSurface(child2)->is_clipped()); EXPECT_FALSE(grand_child->is_clipped()); EXPECT_FALSE(leaf_node1->is_clipped()); EXPECT_FALSE(leaf_node2->is_clipped()); // Case 2: parent MasksToBounds, so the parent, child1, and child2's // surface are clipped. But layers that contribute to child2's surface are // not clipped explicitly because child2's surface already accounts for // that clip. CreateClipNode(parent); child1->SetClipTreeIndex(parent->clip_tree_index()); grand_child->SetClipTreeIndex(parent->clip_tree_index()); leaf_node1->SetClipTreeIndex(parent->clip_tree_index()); child2->SetClipTreeIndex(parent->clip_tree_index()); GetEffectNode(child2)->clip_id = parent->clip_tree_index(); leaf_node2->SetClipTreeIndex(parent->clip_tree_index()); host_impl()->active_tree()->set_needs_update_draw_properties(); UpdateActiveTreeDrawProperties(); ASSERT_TRUE(GetRenderSurface(root)); ASSERT_TRUE(GetRenderSurface(child2)); EXPECT_FALSE(root->is_clipped()); EXPECT_TRUE(GetRenderSurface(root)->is_clipped()); EXPECT_TRUE(parent->is_clipped()); EXPECT_TRUE(child1->is_clipped()); EXPECT_FALSE(child2->is_clipped()); EXPECT_TRUE(GetRenderSurface(child2)->is_clipped()); EXPECT_TRUE(grand_child->is_clipped()); EXPECT_TRUE(leaf_node1->is_clipped()); EXPECT_FALSE(leaf_node2->is_clipped()); parent->SetClipTreeIndex(root->clip_tree_index()); child1->SetClipTreeIndex(root->clip_tree_index()); grand_child->SetClipTreeIndex(root->clip_tree_index()); leaf_node1->SetClipTreeIndex(root->clip_tree_index()); child2->SetClipTreeIndex(root->clip_tree_index()); GetEffectNode(child2)->clip_id = root->clip_tree_index(); leaf_node2->SetClipTreeIndex(root->clip_tree_index()); // Case 3: child2 MasksToBounds. The layer and subtree are clipped, and // child2's render surface is not clipped. CreateClipNode(child2); leaf_node2->SetClipTreeIndex(child2->clip_tree_index()); host_impl()->active_tree()->set_needs_update_draw_properties(); UpdateActiveTreeDrawProperties(); ASSERT_TRUE(GetRenderSurface(root)); ASSERT_TRUE(GetRenderSurface(child2)); EXPECT_FALSE(root->is_clipped()); EXPECT_TRUE(GetRenderSurface(root)->is_clipped()); EXPECT_FALSE(parent->is_clipped()); EXPECT_FALSE(child1->is_clipped()); EXPECT_TRUE(child2->is_clipped()); EXPECT_FALSE(GetRenderSurface(child2)->is_clipped()); EXPECT_FALSE(grand_child->is_clipped()); EXPECT_FALSE(leaf_node1->is_clipped()); EXPECT_TRUE(leaf_node2->is_clipped()); } TEST_F(DrawPropertiesTest, UpdateClipRectCorrectly) { // Tests that when as long as layer is clipped, it's clip rect is set to // correct value. LayerImpl* root = root_layer(); LayerImpl* parent = AddLayer(); LayerImpl* child = AddLayer(); root->SetBounds(gfx::Size(100, 100)); root->SetDrawsContent(true); parent->SetBounds(gfx::Size(100, 100)); parent->SetDrawsContent(true); child->SetBounds(gfx::Size(100, 100)); child->SetDrawsContent(true); CopyProperties(root, parent); CopyProperties(parent, child); CreateClipNode(child); UpdateActiveTreeDrawProperties(); EXPECT_FALSE(root->is_clipped()); EXPECT_FALSE(parent->is_clipped()); EXPECT_TRUE(child->is_clipped()); EXPECT_EQ(gfx::Rect(100, 100), child->clip_rect()); CreateClipNode(parent); GetClipNode(child)->parent_id = parent->clip_tree_index(); child->SetOffsetToTransformParent(gfx::Vector2dF(100.f, 100.f)); GetClipNode(child)->clip += gfx::Vector2dF(100.f, 100.f); host_impl()->active_tree()->set_needs_update_draw_properties(); UpdateActiveTreeDrawProperties(); EXPECT_FALSE(root->is_clipped()); EXPECT_TRUE(parent->is_clipped()); EXPECT_TRUE(child->is_clipped()); EXPECT_EQ(gfx::Rect(), child->clip_rect()); } TEST_F(DrawPropertiesTest, DrawableContentRectForLayers) { // Verify that layers get the appropriate DrawableContentRect when their // parent MasksToBounds is true. // // grand_child1 - completely inside the region; DrawableContentRect should // be the layer rect expressed in target space. // grand_child2 - partially clipped but NOT MasksToBounds; the clip rect // will be the intersection of layer bounds and the mask region. // grand_child3 - partially clipped and MasksToBounds; the // DrawableContentRect will still be the intersection of layer bounds and // the mask region. // grand_child4 - outside parent's clip rect; the DrawableContentRect should // be empty. LayerImpl* parent = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child1 = AddLayer(); LayerImpl* grand_child2 = AddLayer(); LayerImpl* grand_child3 = AddLayer(); LayerImpl* grand_child4 = AddLayer(); parent->SetBounds(gfx::Size(500, 500)); child->SetBounds(gfx::Size(20, 20)); grand_child1->SetBounds(gfx::Size(10, 10)); grand_child1->SetDrawsContent(true); grand_child2->SetBounds(gfx::Size(10, 10)); grand_child2->SetDrawsContent(true); grand_child3->SetBounds(gfx::Size(10, 10)); grand_child3->SetDrawsContent(true); grand_child4->SetBounds(gfx::Size(10, 10)); grand_child4->SetDrawsContent(true); CopyProperties(parent, child); CreateTransformNode(child); CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(child); CopyProperties(child, grand_child1); grand_child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f)); CopyProperties(child, grand_child2); grand_child2->SetOffsetToTransformParent(gfx::Vector2dF(15.f, 15.f)); CopyProperties(child, grand_child3); grand_child3->SetOffsetToTransformParent(gfx::Vector2dF(15.f, 15.f)); CreateClipNode(grand_child3); CopyProperties(child, grand_child4); grand_child4->SetOffsetToTransformParent(gfx::Vector2dF(45.f, 45.f)); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(5, 5, 10, 10), grand_child1->visible_drawable_content_rect()); EXPECT_EQ(gfx::Rect(15, 15, 5, 5), grand_child3->visible_drawable_content_rect()); EXPECT_EQ(gfx::Rect(15, 15, 5, 5), grand_child3->visible_drawable_content_rect()); EXPECT_TRUE(grand_child4->visible_drawable_content_rect().IsEmpty()); } TEST_F(DrawPropertiesTest, ClipRectIsPropagatedCorrectlyToSurfaces) { // Verify that render surfaces (and their layers) get the appropriate // clip rects when their parent MasksToBounds is true. // // Layers that own render surfaces (at least for now) do not inherit any // clipping; instead the surface will enforce the clip for the entire subtree. // They may still have a clip rect of their own layer bounds, however, if // MasksToBounds was true. LayerImpl* parent = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child1 = AddLayer(); LayerImpl* grand_child2 = AddLayer(); LayerImpl* grand_child3 = AddLayer(); LayerImpl* grand_child4 = AddLayer(); // The leaf nodes ensure that these grand_children become render surfaces for // this test. LayerImpl* leaf_node1 = AddLayer(); LayerImpl* leaf_node2 = AddLayer(); LayerImpl* leaf_node3 = AddLayer(); LayerImpl* leaf_node4 = AddLayer(); parent->SetBounds(gfx::Size(500, 500)); child->SetBounds(gfx::Size(20, 20)); grand_child1->SetBounds(gfx::Size(10, 10)); grand_child2->SetBounds(gfx::Size(10, 10)); grand_child3->SetBounds(gfx::Size(10, 10)); grand_child4->SetBounds(gfx::Size(10, 10)); leaf_node1->SetBounds(gfx::Size(10, 10)); leaf_node1->SetDrawsContent(true); leaf_node2->SetBounds(gfx::Size(10, 10)); leaf_node2->SetDrawsContent(true); leaf_node3->SetBounds(gfx::Size(10, 10)); leaf_node3->SetDrawsContent(true); leaf_node4->SetBounds(gfx::Size(10, 10)); leaf_node4->SetDrawsContent(true); CopyProperties(parent, child); CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(child); CopyProperties(child, grand_child1); CreateTransformNode(grand_child1).post_translation = gfx::Vector2dF(5.f, 5.f); CreateEffectNode(grand_child1).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(grand_child1, leaf_node1); CopyProperties(child, grand_child2); CreateTransformNode(grand_child2).post_translation = gfx::Vector2dF(15.f, 15.f); CreateEffectNode(grand_child2).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(grand_child2, leaf_node2); CopyProperties(child, grand_child3); CreateTransformNode(grand_child3).post_translation = gfx::Vector2dF(15.f, 15.f); CreateEffectNode(grand_child3).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(grand_child3); CopyProperties(grand_child3, leaf_node3); CopyProperties(child, grand_child4); CreateTransformNode(grand_child4).post_translation = gfx::Vector2dF(45.f, 45.f); CreateEffectNode(grand_child4).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(grand_child4); CopyProperties(grand_child4, leaf_node4); UpdateActiveTreeDrawProperties(); ASSERT_TRUE(GetRenderSurface(grand_child1)); ASSERT_TRUE(GetRenderSurface(grand_child2)); ASSERT_TRUE(GetRenderSurface(grand_child3)); // Surfaces are clipped by their parent, but un-affected by the owning layer's // MasksToBounds. EXPECT_EQ(gfx::Rect(0, 0, 20, 20), GetRenderSurface(grand_child1)->clip_rect()); EXPECT_EQ(gfx::Rect(0, 0, 20, 20), GetRenderSurface(grand_child2)->clip_rect()); EXPECT_EQ(gfx::Rect(0, 0, 20, 20), GetRenderSurface(grand_child3)->clip_rect()); } TEST_F(DrawPropertiesTest, AnimationsForRenderSurfaceHierarchy) { LayerImpl* root = root_layer(); LayerImpl* top = AddLayer(); LayerImpl* render_surface1 = AddLayer(); LayerImpl* child_of_rs1 = AddLayer(); LayerImpl* grand_child_of_rs1 = AddLayer(); LayerImpl* render_surface2 = AddLayer(); LayerImpl* child_of_rs2 = AddLayer(); LayerImpl* grand_child_of_rs2 = AddLayer(); LayerImpl* child_of_top = AddLayer(); LayerImpl* grand_child_of_top = AddLayer(); SetElementIdsForTesting(); top->SetDrawsContent(true); render_surface1->SetDrawsContent(true); child_of_rs1->SetDrawsContent(true); grand_child_of_rs1->SetDrawsContent(true); render_surface2->SetDrawsContent(true); child_of_rs2->SetDrawsContent(true); grand_child_of_rs2->SetDrawsContent(true); child_of_top->SetDrawsContent(true); grand_child_of_top->SetDrawsContent(true); gfx::Transform layer_transform; layer_transform.Translate(1.0, 1.0); root->SetBounds(gfx::Size(10, 10)); top->SetBounds(gfx::Size(10, 10)); render_surface1->SetBounds(gfx::Size(10, 10)); render_surface2->SetBounds(gfx::Size(10, 10)); child_of_top->SetBounds(gfx::Size(10, 10)); child_of_rs1->SetBounds(gfx::Size(10, 10)); child_of_rs2->SetBounds(gfx::Size(10, 10)); grand_child_of_top->SetBounds(gfx::Size(10, 10)); grand_child_of_rs1->SetBounds(gfx::Size(10, 10)); grand_child_of_rs2->SetBounds(gfx::Size(10, 10)); CopyProperties(root, top); CreateTransformNode(top).local = layer_transform; CopyProperties(top, render_surface1); auto& render_surface1_transform_node = CreateTransformNode(render_surface1); render_surface1_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f); render_surface1_transform_node.post_translation = gfx::Vector2dF(2.5f, 0.f); render_surface1_transform_node.local = layer_transform; CreateEffectNode(render_surface1).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface1, child_of_rs1); auto& child_of_rs1_transform_node = CreateTransformNode(child_of_rs1); child_of_rs1_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f); child_of_rs1_transform_node.post_translation = gfx::Vector2dF(2.5f, 0.f); child_of_rs1_transform_node.local = layer_transform; CopyProperties(child_of_rs1, grand_child_of_rs1); auto& grand_child_of_rs1_transform_node = CreateTransformNode(grand_child_of_rs1); grand_child_of_rs1_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f); grand_child_of_rs1_transform_node.post_translation = gfx::Vector2dF(2.5f, 0.f); grand_child_of_rs1_transform_node.local = layer_transform; CopyProperties(render_surface1, render_surface2); auto& render_surface2_transform_node = CreateTransformNode(render_surface2); render_surface2_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f); render_surface2_transform_node.post_translation = gfx::Vector2dF(2.5f, 0.f); render_surface2_transform_node.local = layer_transform; CreateEffectNode(render_surface2).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface2, child_of_rs2); auto& child_of_rs2_transform_node = CreateTransformNode(child_of_rs2); child_of_rs2_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f); child_of_rs2_transform_node.post_translation = gfx::Vector2dF(2.5f, 0.f); child_of_rs2_transform_node.local = layer_transform; CopyProperties(child_of_rs2, grand_child_of_rs2); auto& grand_child_of_rs2_transform_node = CreateTransformNode(grand_child_of_rs2); grand_child_of_rs2_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f); grand_child_of_rs2_transform_node.post_translation = gfx::Vector2dF(2.5f, 0.f); grand_child_of_rs2_transform_node.local = layer_transform; CopyProperties(top, child_of_top); auto& child_of_top_transform_node = CreateTransformNode(child_of_top); child_of_top_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f); child_of_top_transform_node.post_translation = gfx::Vector2dF(2.5f, 0.f); child_of_top_transform_node.local = layer_transform; CopyProperties(child_of_top, grand_child_of_top); auto& grand_child_of_top_transform_node = CreateTransformNode(grand_child_of_top); grand_child_of_top_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f); grand_child_of_top_transform_node.post_translation = gfx::Vector2dF(2.5f, 0.f); grand_child_of_top_transform_node.local = layer_transform; // Put an animated opacity on the render surface. AddOpacityTransitionToElementWithAnimation( render_surface1->element_id(), timeline_impl(), 10.0, 1.f, 0.f, false); // Also put an animated opacity on a layer without descendants. AddOpacityTransitionToElementWithAnimation( grand_child_of_top->element_id(), timeline_impl(), 10.0, 1.f, 0.f, false); // Put a transform animation on the render surface. AddAnimatedTransformToElementWithAnimation(render_surface2->element_id(), timeline_impl(), 10.0, 30, 0); // Also put transform animations on grand_child_of_top, and // grand_child_of_rs2 AddAnimatedTransformToElementWithAnimation(grand_child_of_top->element_id(), timeline_impl(), 10.0, 30, 0); AddAnimatedTransformToElementWithAnimation(grand_child_of_rs2->element_id(), timeline_impl(), 10.0, 30, 0); UpdateActiveTreeDrawProperties(); // Only layers that are associated with render surfaces should have an actual // RenderSurface() value. ASSERT_TRUE(GetRenderSurface(root)); ASSERT_EQ(GetRenderSurface(top), GetRenderSurface(root)); ASSERT_EQ(GetRenderSurface(child_of_top), GetRenderSurface(root)); ASSERT_EQ(GetRenderSurface(grand_child_of_top), GetRenderSurface(root)); ASSERT_NE(GetRenderSurface(render_surface1), GetRenderSurface(root)); ASSERT_EQ(GetRenderSurface(child_of_rs1), GetRenderSurface(render_surface1)); ASSERT_EQ(GetRenderSurface(grand_child_of_rs1), GetRenderSurface(render_surface1)); ASSERT_NE(GetRenderSurface(render_surface2), GetRenderSurface(root)); ASSERT_NE(GetRenderSurface(render_surface2), GetRenderSurface(render_surface1)); ASSERT_EQ(GetRenderSurface(child_of_rs2), GetRenderSurface(render_surface2)); ASSERT_EQ(GetRenderSurface(grand_child_of_rs2), GetRenderSurface(render_surface2)); // Verify all render target accessors EXPECT_EQ(GetRenderSurface(root), root->render_target()); EXPECT_EQ(GetRenderSurface(root), top->render_target()); EXPECT_EQ(GetRenderSurface(root), child_of_top->render_target()); EXPECT_EQ(GetRenderSurface(root), grand_child_of_top->render_target()); EXPECT_EQ(GetRenderSurface(render_surface1), render_surface1->render_target()); EXPECT_EQ(GetRenderSurface(render_surface1), child_of_rs1->render_target()); EXPECT_EQ(GetRenderSurface(render_surface1), grand_child_of_rs1->render_target()); EXPECT_EQ(GetRenderSurface(render_surface2), render_surface2->render_target()); EXPECT_EQ(GetRenderSurface(render_surface2), child_of_rs2->render_target()); EXPECT_EQ(GetRenderSurface(render_surface2), grand_child_of_rs2->render_target()); // Verify screen_space_transform_is_animating values EXPECT_FALSE(root->screen_space_transform_is_animating()); EXPECT_FALSE(child_of_top->screen_space_transform_is_animating()); EXPECT_TRUE(grand_child_of_top->screen_space_transform_is_animating()); EXPECT_FALSE(render_surface1->screen_space_transform_is_animating()); EXPECT_FALSE(child_of_rs1->screen_space_transform_is_animating()); EXPECT_FALSE(grand_child_of_rs1->screen_space_transform_is_animating()); EXPECT_TRUE(render_surface2->screen_space_transform_is_animating()); EXPECT_TRUE(child_of_rs2->screen_space_transform_is_animating()); EXPECT_TRUE(grand_child_of_rs2->screen_space_transform_is_animating()); // Sanity check. If these fail there is probably a bug in the test itself. // It is expected that we correctly set up transforms so that the y-component // of the screen-space transform encodes the "depth" of the layer in the tree. EXPECT_FLOAT_EQ(1.0, top->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ(2.0, child_of_top->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ( 3.0, grand_child_of_top->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ(2.0, render_surface1->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ(3.0, child_of_rs1->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ( 4.0, grand_child_of_rs1->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ(3.0, render_surface2->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ(4.0, child_of_rs2->ScreenSpaceTransform().matrix().get(1, 3)); EXPECT_FLOAT_EQ( 5.0, grand_child_of_rs2->ScreenSpaceTransform().matrix().get(1, 3)); } TEST_F(DrawPropertiesTest, LargeTransforms) { LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); gfx::Transform large_transform; large_transform.Scale(SkDoubleToScalar(1e37), SkDoubleToScalar(1e37)); root->SetBounds(gfx::Size(10, 10)); child->SetBounds(gfx::Size(10, 10)); grand_child->SetBounds(gfx::Size(10, 10)); grand_child->SetDrawsContent(true); CopyProperties(root, child); CreateTransformNode(child).local = large_transform; CopyProperties(child, grand_child); CreateTransformNode(grand_child).local = large_transform; UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(), grand_child->visible_layer_rect()); } static bool TransformIsAnimating(LayerImpl* layer) { MutatorHost* host = layer->layer_tree_impl()->mutator_host(); return host->IsAnimatingTransformProperty( layer->element_id(), layer->GetElementTypeForAnimation()); } static bool HasPotentiallyRunningTransformAnimation(LayerImpl* layer) { MutatorHost* host = layer->layer_tree_impl()->mutator_host(); return host->HasPotentiallyRunningTransformAnimation( layer->element_id(), layer->GetElementTypeForAnimation()); } TEST_F(DrawPropertiesTest, ScreenSpaceTransformIsAnimatingWithDelayedAnimation) { LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); LayerImpl* great_grand_child = AddLayer(); root->SetDrawsContent(true); child->SetDrawsContent(true); grand_child->SetDrawsContent(true); great_grand_child->SetDrawsContent(true); root->SetBounds(gfx::Size(10, 10)); child->SetBounds(gfx::Size(10, 10)); grand_child->SetBounds(gfx::Size(10, 10)); great_grand_child->SetBounds(gfx::Size(10, 10)); SetElementIdsForTesting(); CopyProperties(root, child); CopyProperties(child, grand_child); CreateTransformNode(grand_child); // for animation. CopyProperties(grand_child, great_grand_child); // Add a transform animation with a start delay to |grand_child|. std::unique_ptr keyframe_model = KeyframeModel::Create( std::unique_ptr(new FakeTransformTransition(1.0)), 0, 1, TargetProperty::TRANSFORM); keyframe_model->set_fill_mode(KeyframeModel::FillMode::NONE); keyframe_model->set_time_offset(base::TimeDelta::FromMilliseconds(-1000)); AddKeyframeModelToElementWithAnimation( grand_child->element_id(), timeline_impl(), std::move(keyframe_model)); UpdateActiveTreeDrawProperties(); EXPECT_FALSE(root->screen_space_transform_is_animating()); EXPECT_FALSE(child->screen_space_transform_is_animating()); EXPECT_FALSE(TransformIsAnimating(grand_child)); EXPECT_TRUE(HasPotentiallyRunningTransformAnimation(grand_child)); EXPECT_TRUE(grand_child->screen_space_transform_is_animating()); EXPECT_TRUE(great_grand_child->screen_space_transform_is_animating()); } // Test visible layer rect and drawable content rect are calculated correctly // for identity transforms. TEST_F(DrawPropertiesDrawRectsTest, DrawRectsForIdentityTransform) { gfx::Rect target_surface_rect = gfx::Rect(0, 0, 100, 100); gfx::Transform layer_to_surface_transform; // Case 1: Layer is contained within the surface. gfx::Rect layer_content_rect = gfx::Rect(10, 10, 30, 30); gfx::Rect expected_visible_layer_rect = gfx::Rect(30, 30); gfx::Rect expected_drawable_content_rect = gfx::Rect(10, 10, 30, 30); LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); // Case 2: Layer is outside the surface rect. layer_content_rect = gfx::Rect(120, 120, 30, 30); expected_visible_layer_rect = gfx::Rect(); expected_drawable_content_rect = gfx::Rect(); drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); // Case 3: Layer is partially overlapping the surface rect. layer_content_rect = gfx::Rect(80, 80, 30, 30); expected_visible_layer_rect = gfx::Rect(20, 20); expected_drawable_content_rect = gfx::Rect(80, 80, 20, 20); drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); } // Test visible layer rect and drawable content rect are calculated correctly // for rotations about z-axis (i.e. 2D rotations). TEST_F(DrawPropertiesDrawRectsTest, DrawRectsFor2DRotations) { gfx::Rect target_surface_rect = gfx::Rect(0, 0, 100, 100); gfx::Rect layer_content_rect = gfx::Rect(0, 0, 30, 30); gfx::Transform layer_to_surface_transform; // Case 1: Layer is contained within the surface. layer_to_surface_transform.MakeIdentity(); layer_to_surface_transform.Translate(50.0, 50.0); layer_to_surface_transform.Rotate(45.0); gfx::Rect expected_visible_layer_rect = gfx::Rect(30, 30); gfx::Rect expected_drawable_content_rect = gfx::Rect(28, 50, 44, 43); LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); // Case 2: Layer is outside the surface rect. layer_to_surface_transform.MakeIdentity(); layer_to_surface_transform.Translate(-50.0, 0.0); layer_to_surface_transform.Rotate(45.0); expected_visible_layer_rect = gfx::Rect(); expected_drawable_content_rect = gfx::Rect(); drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); // Case 3: The layer is rotated about its top-left corner. In surface space, // the layer is oriented diagonally, with the left half outside of the render // surface. In this case, the g should still be the entire layer // (remember the g is computed in layer space); both the top-left // and bottom-right corners of the layer are still visible. layer_to_surface_transform.MakeIdentity(); layer_to_surface_transform.Rotate(45.0); expected_visible_layer_rect = gfx::Rect(30, 30); expected_drawable_content_rect = gfx::Rect(22, 43); drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); // Case 4: The layer is rotated about its top-left corner, and translated // upwards. In surface space, the layer is oriented diagonally, with only the // top corner of the surface overlapping the layer. In layer space, the render // surface overlaps the right side of the layer. The g should be // the layer's right half. layer_to_surface_transform.MakeIdentity(); layer_to_surface_transform.Translate(0.0, -sqrt(2.0) * 15.0); layer_to_surface_transform.Rotate(45.0); // Right half of layer bounds. expected_visible_layer_rect = gfx::Rect(15, 0, 15, 30); expected_drawable_content_rect = gfx::Rect(22, 22); drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); } // Test visible layer rect and drawable content rect are calculated correctly // for 3d transforms. TEST_F(DrawPropertiesDrawRectsTest, DrawRectsFor3dOrthographicTransform) { gfx::Rect target_surface_rect = gfx::Rect(0, 0, 100, 100); gfx::Rect layer_content_rect = gfx::Rect(0, 0, 100, 100); gfx::Transform layer_to_surface_transform; // Case 1: Orthographic projection of a layer rotated about y-axis by 45 // degrees, should be fully contained in the render surface. // 100 is the un-rotated layer width; divided by sqrt(2) is the rotated width. layer_to_surface_transform.MakeIdentity(); layer_to_surface_transform.RotateAboutYAxis(45.0); gfx::Rect expected_visible_layer_rect = gfx::Rect(100, 100); gfx::Rect expected_drawable_content_rect = gfx::Rect(71, 100); LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); // Case 2: Orthographic projection of a layer rotated about y-axis by 45 // degrees, but shifted to the side so only the right-half the layer would be // visible on the surface. // 50 is the un-rotated layer width; divided by sqrt(2) is the rotated width. SkScalar half_width_of_rotated_layer = SkDoubleToScalar((100.0 / sqrt(2.0)) * 0.5); layer_to_surface_transform.MakeIdentity(); layer_to_surface_transform.Translate(-half_width_of_rotated_layer, 0.0); layer_to_surface_transform.RotateAboutYAxis(45.0); // Rotates about the left // edge of the layer. // Tight half of the layer. expected_visible_layer_rect = gfx::Rect(50, 0, 50, 100); expected_drawable_content_rect = gfx::Rect(36, 100); drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); } // Test visible layer rect and drawable content rect are calculated correctly // when the layer has a perspective projection onto the target surface. TEST_F(DrawPropertiesDrawRectsTest, DrawRectsFor3dPerspectiveTransform) { gfx::Rect target_surface_rect = gfx::Rect(0, 0, 100, 100); gfx::Rect layer_content_rect = gfx::Rect(-50, -50, 200, 200); gfx::Transform layer_to_surface_transform; // Case 1: Even though the layer is twice as large as the surface, due to // perspective foreshortening, the layer will fit fully in the surface when // its translated more than the perspective amount. layer_to_surface_transform.MakeIdentity(); // The following sequence of transforms applies the perspective about the // center of the surface. layer_to_surface_transform.Translate(50.0, 50.0); layer_to_surface_transform.ApplyPerspectiveDepth(9.0); layer_to_surface_transform.Translate(-50.0, -50.0); // This translate places the layer in front of the surface's projection plane. layer_to_surface_transform.Translate3d(0.0, 0.0, -27.0); // Layer position is (-50, -50), visible rect in layer space is layer bounds // offset by layer position. gfx::Rect expected_visible_layer_rect = gfx::Rect(50, 50, 150, 150); gfx::Rect expected_drawable_content_rect = gfx::Rect(38, 38); LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); // Case 2: same projection as before, except that the layer is also translated // to the side, so that only the right half of the layer should be visible. // // Explanation of expected result: The perspective ratio is (z distance // between layer and camera origin) / (z distance between projection plane and // camera origin) == ((-27 - 9) / 9) Then, by similar triangles, if we want to // move a layer by translating -25 units in projected surface units (so that // only half of it is visible), then we would need to translate by (-36 / 9) * // -25 == -100 in the layer's units. layer_to_surface_transform.Translate3d(-100.0, 0.0, 0.0); // Visible layer rect is moved by 100, and drawable content rect is in target // space and is moved by 25. expected_visible_layer_rect = gfx::Rect(150, 50, 50, 150); expected_drawable_content_rect = gfx::Rect(13, 38); drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); } // There is currently no explicit concept of an orthographic projection plane // in our code (nor in the CSS spec to my knowledge). Therefore, layers that // are technically behind the surface in an orthographic world should not be // clipped when they are flattened to the surface. TEST_F(DrawPropertiesDrawRectsTest, DrawRectsFor3dOrthographicIsNotClippedBehindSurface) { gfx::Rect target_surface_rect = gfx::Rect(0, 0, 100, 100); gfx::Rect layer_content_rect = gfx::Rect(0, 0, 100, 100); gfx::Transform layer_to_surface_transform; // This sequence of transforms effectively rotates the layer about the y-axis // at the center of the layer. layer_to_surface_transform.MakeIdentity(); layer_to_surface_transform.Translate(50.0, 0.0); layer_to_surface_transform.RotateAboutYAxis(45.0); layer_to_surface_transform.Translate(-50.0, 0.0); // Layer is rotated about Y Axis, and its width is 100/sqrt(2) in surface // space. gfx::Rect expected_visible_layer_rect = gfx::Rect(100, 100); gfx::Rect expected_drawable_content_rect = gfx::Rect(14, 0, 72, 100); LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); } // Test visible layer rect and drawable content rect are calculated correctly // when projecting a surface onto a layer, but the layer is partially behind // the camera (not just behind the projection plane). In this case, the // cartesian coordinates may seem to be valid, but actually they are not. The // visible rect needs to be properly clipped by the w = 0 plane in homogeneous // coordinates before converting to cartesian coordinates. The drawable // content rect would be entire surface rect because layer is rotated at the // camera position. TEST_F(DrawPropertiesDrawRectsTest, DrawRectsFor3dPerspectiveWhenClippedByW) { gfx::Rect target_surface_rect = gfx::Rect(0, 0, 200, 200); gfx::Rect layer_content_rect = gfx::Rect(0, 0, 20, 2); gfx::Transform layer_to_surface_transform; // The layer is positioned so that the right half of the layer should be in // front of the camera, while the other half is behind the surface's // projection plane. The following sequence of transforms applies the // perspective and rotation about the center of the layer. layer_to_surface_transform.MakeIdentity(); layer_to_surface_transform.ApplyPerspectiveDepth(1.0); layer_to_surface_transform.Translate3d(10.0, 0.0, 1.0); layer_to_surface_transform.RotateAboutYAxis(-45.0); layer_to_surface_transform.Translate(-10, -1); // Sanity check that this transform does indeed cause w < 0 when applying the // transform, otherwise this code is not testing the intended scenario. bool clipped; MathUtil::MapQuad(layer_to_surface_transform, gfx::QuadF(gfx::RectF(layer_content_rect)), &clipped); ASSERT_TRUE(clipped); gfx::Rect expected_visible_layer_rect = gfx::Rect(0, 1, 10, 1); gfx::Rect expected_drawable_content_rect = target_surface_rect; LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); } static bool ProjectionClips(const gfx::Transform& map_transform, const gfx::RectF& mapped_rect) { gfx::Transform inverse(Inverse(map_transform)); bool clipped = false; if (!clipped) MathUtil::ProjectPoint(inverse, mapped_rect.top_right(), &clipped); if (!clipped) MathUtil::ProjectPoint(inverse, mapped_rect.origin(), &clipped); if (!clipped) MathUtil::ProjectPoint(inverse, mapped_rect.bottom_right(), &clipped); if (!clipped) MathUtil::ProjectPoint(inverse, mapped_rect.bottom_left(), &clipped); return clipped; } // To determine visible rect in layer space, there needs to be an // un-projection from surface space to layer space. When the original // transform was a perspective projection that was clipped, it returns a rect // that encloses the clipped bounds. Un-projecting this new rect may require // clipping again. TEST_F(DrawPropertiesDrawRectsTest, DrawRectsForPerspectiveUnprojection) { // This sequence of transforms causes one corner of the layer to protrude // across the w = 0 plane, and should be clipped. gfx::Rect target_surface_rect = gfx::Rect(0, 0, 150, 150); gfx::Rect layer_content_rect = gfx::Rect(0, 0, 20, 20); gfx::Transform layer_to_surface_transform; layer_to_surface_transform.MakeIdentity(); layer_to_surface_transform.Translate(10, 10); layer_to_surface_transform.ApplyPerspectiveDepth(1.0); layer_to_surface_transform.Translate3d(0.0, 0.0, -5.0); layer_to_surface_transform.RotateAboutYAxis(45.0); layer_to_surface_transform.RotateAboutXAxis(80.0); layer_to_surface_transform.Translate(-10, -10); // Sanity check that un-projection does indeed cause w < 0, otherwise this // code is not testing the intended scenario. gfx::RectF clipped_rect = MathUtil::MapClippedRect( layer_to_surface_transform, gfx::RectF(layer_content_rect)); ASSERT_TRUE(ProjectionClips(layer_to_surface_transform, clipped_rect)); // Only the corner of the layer is not visible on the surface because of being // clipped. But, the net result of rounding visible region to an axis-aligned // rect is that the entire layer should still be considered visible. gfx::Rect expected_visible_layer_rect = layer_content_rect; gfx::Rect expected_drawable_content_rect = target_surface_rect; LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect( target_surface_rect, layer_to_surface_transform, layer_content_rect); EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect()); EXPECT_EQ(expected_drawable_content_rect, drawing_layer->visible_drawable_content_rect()); } TEST_F(DrawPropertiesTest, DrawableAndVisibleContentRectsForSimpleLayers) { LayerImpl* root = root_layer(); LayerImpl* child1_layer = AddLayer(); LayerImpl* child2_layer = AddLayer(); LayerImpl* child3_layer = AddLayer(); root->SetBounds(gfx::Size(100, 100)); child1_layer->SetBounds(gfx::Size(50, 50)); child1_layer->SetDrawsContent(true); child2_layer->SetBounds(gfx::Size(50, 50)); child2_layer->SetDrawsContent(true); child3_layer->SetBounds(gfx::Size(50, 50)); child3_layer->SetDrawsContent(true); CopyProperties(root, child1_layer); CopyProperties(root, child2_layer); child2_layer->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f)); CopyProperties(root, child3_layer); child3_layer->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f)); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::RectF(100.f, 100.f), GetRenderSurface(root)->DrawableContentRect()); // Layers that do not draw content should have empty visible_layer_rects. EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect()); // layer visible_layer_rects are clipped by their target surface. EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1_layer->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 25, 25), child2_layer->visible_layer_rect()); EXPECT_TRUE(child3_layer->visible_layer_rect().IsEmpty()); // layer visible_drawable_content_rects are in target space, but still only // the visible part. EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1_layer->visible_drawable_content_rect()); EXPECT_EQ(gfx::Rect(75, 75, 25, 25), child2_layer->visible_drawable_content_rect()); EXPECT_EQ(gfx::Rect(125, 125, 0, 0), child3_layer->visible_drawable_content_rect()); } TEST_F(DrawPropertiesTest, DrawableAndVisibleContentRectsForLayersClippedByLayer) { LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child1 = AddLayer(); LayerImpl* grand_child2 = AddLayer(); LayerImpl* grand_child3 = AddLayer(); root->SetBounds(gfx::Size(100, 100)); child->SetBounds(gfx::Size(100, 100)); grand_child1->SetBounds(gfx::Size(50, 50)); grand_child1->SetDrawsContent(true); grand_child2->SetBounds(gfx::Size(50, 50)); grand_child2->SetDrawsContent(true); grand_child3->SetBounds(gfx::Size(50, 50)); grand_child3->SetDrawsContent(true); CopyProperties(root, child); CreateClipNode(child); CopyProperties(child, grand_child1); grand_child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f)); CopyProperties(child, grand_child2); grand_child2->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f)); CopyProperties(child, grand_child3); grand_child3->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f)); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::RectF(100.f, 100.f), GetRenderSurface(root)->DrawableContentRect()); // Layers that do not draw content should have empty visible content rects. EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 0, 0), child->visible_layer_rect()); // All grandchild visible content rects should be clipped by child. EXPECT_EQ(gfx::Rect(0, 0, 50, 50), grand_child1->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 25, 25), grand_child2->visible_layer_rect()); EXPECT_TRUE(grand_child3->visible_layer_rect().IsEmpty()); // All grandchild DrawableContentRects should also be clipped by child. EXPECT_EQ(gfx::Rect(5, 5, 50, 50), grand_child1->visible_drawable_content_rect()); EXPECT_EQ(gfx::Rect(75, 75, 25, 25), grand_child2->visible_drawable_content_rect()); EXPECT_TRUE(grand_child3->visible_drawable_content_rect().IsEmpty()); } TEST_F(DrawPropertiesTest, VisibleContentRectWithClippingAndScaling) { LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); gfx::Transform child_scale_matrix; child_scale_matrix.Scale(0.25f, 0.25f); gfx::Transform grand_child_scale_matrix; grand_child_scale_matrix.Scale(0.246f, 0.246f); root->SetBounds(gfx::Size(100, 100)); child->SetBounds(gfx::Size(10, 10)); grand_child->SetBounds(gfx::Size(100, 100)); grand_child->SetDrawsContent(true); CopyProperties(root, child); CreateTransformNode(child).local = child_scale_matrix; CreateClipNode(child); CopyProperties(child, grand_child); CreateTransformNode(grand_child).local = grand_child_scale_matrix; UpdateActiveTreeDrawProperties(); // The visible rect is expanded to integer coordinates. EXPECT_EQ(gfx::Rect(41, 41), grand_child->visible_layer_rect()); } TEST_F(DrawPropertiesTest, ClipRectWithClipParent) { LayerImpl* root = root_layer(); LayerImpl* clip = AddLayer(); LayerImpl* child1 = AddLayer(); LayerImpl* child2 = AddLayer(); root->SetBounds(gfx::Size(100, 100)); CreateClipNode(root); clip->SetBounds(gfx::Size(10, 10)); CopyProperties(root, clip); CreateClipNode(clip); child1->SetBounds(gfx::Size(20, 20)); child1->SetDrawsContent(true); CopyProperties(clip, child1); child1->SetClipTreeIndex(root->clip_tree_index()); child2->SetBounds(gfx::Size(20, 20)); child2->SetDrawsContent(true); CopyProperties(clip, child2); UpdateActiveTreeDrawProperties(); EXPECT_TRUE(child1->is_clipped()); EXPECT_TRUE(child2->is_clipped()); EXPECT_EQ(gfx::Rect(100, 100), child1->clip_rect()); EXPECT_EQ(gfx::Rect(10, 10), child2->clip_rect()); } TEST_F(DrawPropertiesTest, ClipRectWithClippedDescendantOfFilter) { LayerImpl* root = root_layer(); LayerImpl* filter = AddLayer(); LayerImpl* clip = AddLayer(); LayerImpl* filter_grand_child = AddLayer(); root->SetBounds(gfx::Size(100, 100)); clip->SetBounds(gfx::Size(10, 10)); filter_grand_child->SetBounds(gfx::Size(20, 20)); filter_grand_child->SetDrawsContent(true); CopyProperties(root, filter); CreateEffectNode(filter).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(filter, clip); CreateClipNode(clip); CopyProperties(clip, filter_grand_child); UpdateActiveTreeDrawProperties(); EXPECT_TRUE(filter_grand_child->is_clipped()); EXPECT_EQ(gfx::Rect(10, 10), filter_grand_child->clip_rect()); FilterOperations blur_filter; blur_filter.Append(FilterOperation::CreateBlurFilter(4.0f)); SetFilter(filter, blur_filter); UpdateActiveTreeDrawProperties(); EXPECT_TRUE(filter_grand_child->is_clipped()); EXPECT_EQ(gfx::Rect(10, 10), filter_grand_child->clip_rect()); } TEST_F(DrawPropertiesTest, DrawableAndVisibleContentRectsForLayersInUnclippedRenderSurface) { LayerImpl* root = root_layer(); LayerImpl* render_surface = AddLayer(); LayerImpl* child1 = AddLayer(); LayerImpl* child2 = AddLayer(); LayerImpl* child3 = AddLayer(); root->SetBounds(gfx::Size(100, 100)); render_surface->SetBounds(gfx::Size(3, 4)); child1->SetBounds(gfx::Size(50, 50)); child1->SetDrawsContent(true); child2->SetBounds(gfx::Size(50, 50)); child2->SetDrawsContent(true); child3->SetBounds(gfx::Size(50, 50)); child3->SetDrawsContent(true); CopyProperties(root, render_surface); CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface, child1); child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f)); CopyProperties(render_surface, child2); child2->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f)); CopyProperties(render_surface, child3); child3->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f)); UpdateActiveTreeDrawProperties(); ASSERT_TRUE(GetRenderSurface(render_surface)); EXPECT_EQ(gfx::RectF(100.f, 100.f), GetRenderSurface(root)->DrawableContentRect()); // Layers that do not draw content should have empty visible content rects. EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 0, 0), render_surface->visible_layer_rect()); // An unclipped surface grows its DrawableContentRect to include all drawable // regions of the subtree. EXPECT_EQ(gfx::RectF(5.f, 5.f, 95.f, 95.f), GetRenderSurface(render_surface)->DrawableContentRect()); // All layers that draw content into the unclipped surface are also unclipped. // Only the viewport clip should apply EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 25, 25), child2->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 0, 0), child3->visible_layer_rect()); EXPECT_EQ(gfx::Rect(5, 5, 50, 50), child1->visible_drawable_content_rect()); EXPECT_EQ(gfx::Rect(75, 75, 25, 25), child2->visible_drawable_content_rect()); EXPECT_EQ(gfx::Rect(125, 125, 0, 0), child3->visible_drawable_content_rect()); } TEST_F(DrawPropertiesTest, VisibleContentRectsForClippedSurfaceWithEmptyClip) { LayerImpl* root = root_layer(); LayerImpl* child1 = AddLayer(); LayerImpl* child2 = AddLayer(); LayerImpl* child3 = AddLayer(); root->SetBounds(gfx::Size(100, 100)); child1->SetBounds(gfx::Size(50, 50)); child1->SetDrawsContent(true); child2->SetBounds(gfx::Size(50, 50)); child2->SetDrawsContent(true); child3->SetBounds(gfx::Size(50, 50)); child3->SetDrawsContent(true); CopyProperties(root, child1); child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f)); CopyProperties(root, child2); child2->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f)); CopyProperties(root, child3); child3->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f)); // Now set the root render surface an empty clip. // Not using UpdateActiveTreeDrawProperties() because we want a special // device viewport rect. host_impl()->active_tree()->SetDeviceViewportRect(gfx::Rect()); UpdateDrawProperties(host_impl()->active_tree()); ASSERT_TRUE(GetRenderSurface(root)); EXPECT_FALSE(root->is_clipped()); gfx::Rect empty; EXPECT_EQ(empty, GetRenderSurface(root)->clip_rect()); EXPECT_TRUE(GetRenderSurface(root)->is_clipped()); // Visible content rect calculation will check if the target surface is // clipped or not. An empty clip rect does not indicate the render surface // is unclipped. EXPECT_EQ(empty, child1->visible_layer_rect()); EXPECT_EQ(empty, child2->visible_layer_rect()); EXPECT_EQ(empty, child3->visible_layer_rect()); } TEST_F(DrawPropertiesTest, DrawableAndVisibleContentRectsForLayersWithUninvertibleTransform) { LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); root->SetBounds(gfx::Size(100, 100)); child->SetBounds(gfx::Size(50, 50)); child->SetDrawsContent(true); // Case 1: a truly degenerate matrix gfx::Transform uninvertible_matrix(0.0, 0.0, 0.0, 0.0, 0.0, 0.0); ASSERT_FALSE(uninvertible_matrix.IsInvertible()); CopyProperties(root, child); CreateTransformNode(child).local = uninvertible_matrix; UpdateActiveTreeDrawProperties(); EXPECT_TRUE(child->visible_layer_rect().IsEmpty()); EXPECT_TRUE(child->visible_drawable_content_rect().IsEmpty()); // Case 2: a matrix with flattened z, uninvertible and not visible according // to the CSS spec. uninvertible_matrix.MakeIdentity(); uninvertible_matrix.matrix().set(2, 2, 0.0); ASSERT_FALSE(uninvertible_matrix.IsInvertible()); SetTransform(child, uninvertible_matrix); UpdateActiveTreeDrawProperties(); EXPECT_TRUE(child->visible_layer_rect().IsEmpty()); EXPECT_TRUE(child->visible_drawable_content_rect().IsEmpty()); // Case 3: a matrix with flattened z, also uninvertible and not visible. uninvertible_matrix.MakeIdentity(); uninvertible_matrix.Translate(500.0, 0.0); uninvertible_matrix.matrix().set(2, 2, 0.0); ASSERT_FALSE(uninvertible_matrix.IsInvertible()); SetTransform(child, uninvertible_matrix); UpdateActiveTreeDrawProperties(); EXPECT_TRUE(child->visible_layer_rect().IsEmpty()); EXPECT_TRUE(child->visible_drawable_content_rect().IsEmpty()); } TEST_F(DrawPropertiesTest, VisibleContentRectForLayerWithUninvertibleDrawTransform) { LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); gfx::Transform perspective; perspective.ApplyPerspectiveDepth(SkDoubleToScalar(1e-12)); gfx::Transform rotation; rotation.RotateAboutYAxis(45.0); root->SetBounds(gfx::Size(100, 100)); child->SetBounds(gfx::Size(100, 100)); child->SetDrawsContent(true); grand_child->SetBounds(gfx::Size(100, 100)); grand_child->SetDrawsContent(true); CopyProperties(root, child); auto& child_transform_node = CreateTransformNode(child); child_transform_node.flattens_inherited_transform = false; child_transform_node.post_translation = gfx::Vector2dF(10.f, 10.f); child_transform_node.sorting_context_id = 1; child_transform_node.local = perspective; CopyProperties(child, grand_child); auto& grand_child_transform_node = CreateTransformNode(grand_child); grand_child_transform_node.flattens_inherited_transform = false; grand_child_transform_node.sorting_context_id = 1; grand_child_transform_node.local = rotation; UpdateActiveTreeDrawProperties(); // Though all layers have invertible transforms, matrix multiplication using // floating-point math makes the draw transform uninvertible. EXPECT_FALSE(GetTransformNode(grand_child)->ancestors_are_invertible); // CalcDrawProps skips a subtree when a layer's screen space transform is // uninvertible EXPECT_EQ(gfx::Rect(), grand_child->visible_layer_rect()); } // Needs layer tree mode: mask layer. TEST_F(DrawPropertiesTestWithLayerTree, OcclusionBySiblingOfTarget) { auto root = Layer::Create(); auto child = Layer::Create(); FakeContentLayerClient client; auto surface = PictureLayer::Create(&client); auto surface_child = PictureLayer::Create(&client); auto surface_sibling = PictureLayer::Create(&client); auto surface_child_mask = PictureLayer::Create(&client); surface->SetIsDrawable(true); surface_child->SetIsDrawable(true); surface_sibling->SetIsDrawable(true); surface_child_mask->SetIsDrawable(true); surface->SetContentsOpaque(true); surface_child->SetContentsOpaque(true); surface_sibling->SetContentsOpaque(true); surface_child_mask->SetContentsOpaque(true); gfx::Transform translate; translate.Translate(20.f, 20.f); root->SetBounds(gfx::Size(1000, 1000)); child->SetBounds(gfx::Size(300, 300)); surface->SetTransform(translate); surface->SetBounds(gfx::Size(300, 300)); surface->SetForceRenderSurfaceForTesting(true); surface_child->SetBounds(gfx::Size(300, 300)); surface_child->SetForceRenderSurfaceForTesting(true); surface_sibling->SetBounds(gfx::Size(200, 200)); surface_child_mask->SetBounds(gfx::Size(300, 300)); surface_child->SetMaskLayer(surface_child_mask); surface->AddChild(surface_child); child->AddChild(surface); child->AddChild(surface_sibling); root->AddChild(child); host()->SetRootLayer(root); CommitAndActivate(); EXPECT_TRANSFORMATION_MATRIX_EQ( GetRenderSurfaceImpl(surface)->draw_transform(), translate); // surface_sibling draws into the root render surface and occludes // surface_child's contents. Occlusion actual_occlusion = GetRenderSurfaceImpl(surface_child)->occlusion_in_content_space(); Occlusion expected_occlusion(translate, SimpleEnclosedRegion(), SimpleEnclosedRegion(gfx::Rect(200, 200))); EXPECT_TRUE(expected_occlusion.IsEqual(actual_occlusion)); // Mask layer's occlusion is different because we create transform and render // surface for it in layer tree mode. actual_occlusion = ImplOf(surface_child_mask)->draw_properties().occlusion_in_content_space; expected_occlusion = Occlusion( gfx::Transform(), SimpleEnclosedRegion(gfx::Rect(-20, -20, 200, 200)), SimpleEnclosedRegion()); EXPECT_TRUE(expected_occlusion.IsEqual(actual_occlusion)); } TEST_F(DrawPropertiesTest, OcclusionForLayerWithUninvertibleDrawTransform) { LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); LayerImpl* occluding_child = AddLayer(); gfx::Transform perspective; perspective.ApplyPerspectiveDepth(SkDoubleToScalar(1e-12)); gfx::Transform rotation; rotation.RotateAboutYAxis(45.0); root->SetBounds(gfx::Size(1000, 1000)); child->SetBounds(gfx::Size(300, 300)); grand_child->SetBounds(gfx::Size(200, 200)); occluding_child->SetBounds(gfx::Size(200, 200)); child->SetDrawsContent(true); grand_child->SetDrawsContent(true); occluding_child->SetDrawsContent(true); occluding_child->SetContentsOpaque(true); CopyProperties(root, child); auto& child_transform_node = CreateTransformNode(child); child_transform_node.flattens_inherited_transform = false; child_transform_node.post_translation = gfx::Vector2dF(10.f, 10.f); child_transform_node.sorting_context_id = 1; child_transform_node.local = perspective; CopyProperties(child, grand_child); auto& grand_child_transform_node = CreateTransformNode(grand_child); grand_child_transform_node.flattens_inherited_transform = false; grand_child_transform_node.sorting_context_id = 1; grand_child_transform_node.local = rotation; CopyProperties(root, occluding_child); CreateTransformNode(occluding_child).flattens_inherited_transform = false; UpdateActiveTreeDrawProperties(); // Though all layers have invertible transforms, matrix multiplication using // floating-point math makes the draw transform uninvertible. EXPECT_FALSE(GetTransformNode(grand_child)->ancestors_are_invertible); // Since |grand_child| has an uninvertible screen space transform, it is // skipped so // that we are not computing its occlusion_in_content_space. gfx::Rect layer_bounds = gfx::Rect(); EXPECT_EQ( layer_bounds, grand_child->draw_properties() .occlusion_in_content_space.GetUnoccludedContentRect(layer_bounds)); } TEST_F(DrawPropertiesTest, DrawableAndVisibleContentRectsForLayersInClippedRenderSurface) { LayerImpl* root = root_layer(); LayerImpl* render_surface = AddLayer(); LayerImpl* child1 = AddLayer(); LayerImpl* child2 = AddLayer(); LayerImpl* child3 = AddLayer(); root->SetBounds(gfx::Size(100, 100)); render_surface->SetBounds(gfx::Size(3, 4)); child1->SetBounds(gfx::Size(50, 50)); child1->SetDrawsContent(true); child2->SetBounds(gfx::Size(50, 50)); child2->SetDrawsContent(true); child3->SetBounds(gfx::Size(50, 50)); child3->SetDrawsContent(true); CreateClipNode(root); CopyProperties(root, render_surface); CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface, child1); child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f)); CopyProperties(render_surface, child2); child2->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f)); CopyProperties(render_surface, child3); child3->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f)); UpdateActiveTreeDrawProperties(); ASSERT_TRUE(GetRenderSurface(render_surface)); EXPECT_EQ(gfx::RectF(100.f, 100.f), GetRenderSurface(root)->DrawableContentRect()); // Layers that do not draw content should have empty visible content rects. EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 0, 0), render_surface->visible_layer_rect()); // A clipped surface grows its DrawableContentRect to include all drawable // regions of the subtree, but also gets clamped by the ancestor's clip. EXPECT_EQ(gfx::RectF(5.f, 5.f, 95.f, 95.f), GetRenderSurface(render_surface)->DrawableContentRect()); // All layers that draw content into the surface have their visible content // rect clipped by the surface clip rect. EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 25, 25), child2->visible_layer_rect()); EXPECT_TRUE(child3->visible_layer_rect().IsEmpty()); // The visible_drawable_content_rect would be the visible rect in target // space. EXPECT_EQ(gfx::Rect(5, 5, 50, 50), child1->visible_drawable_content_rect()); EXPECT_EQ(gfx::Rect(75, 75, 25, 25), child2->visible_drawable_content_rect()); EXPECT_EQ(gfx::Rect(125, 125, 0, 0), child3->visible_drawable_content_rect()); } // Check that clipping does not propagate down surfaces. TEST_F(DrawPropertiesTest, DrawableAndVisibleContentRectsForSurfaceHierarchy) { LayerImpl* root = root_layer(); LayerImpl* render_surface1 = AddLayer(); LayerImpl* render_surface2 = AddLayer(); LayerImpl* child1 = AddLayer(); LayerImpl* child2 = AddLayer(); LayerImpl* child3 = AddLayer(); root->SetBounds(gfx::Size(100, 100)); render_surface1->SetBounds(gfx::Size(3, 4)); render_surface2->SetBounds(gfx::Size(7, 13)); child1->SetBounds(gfx::Size(50, 50)); child1->SetDrawsContent(true); child2->SetBounds(gfx::Size(50, 50)); child2->SetDrawsContent(true); child3->SetBounds(gfx::Size(50, 50)); child3->SetDrawsContent(true); CreateClipNode(root); CopyProperties(root, render_surface1); CreateEffectNode(render_surface1).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface1, render_surface2); CreateEffectNode(render_surface2).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface2, child1); child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f)); CopyProperties(render_surface2, child2); child2->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f)); CopyProperties(render_surface2, child3); child3->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f)); UpdateActiveTreeDrawProperties(); ASSERT_TRUE(GetRenderSurface(render_surface1)); ASSERT_TRUE(GetRenderSurface(render_surface2)); EXPECT_EQ(gfx::RectF(100.f, 100.f), GetRenderSurface(root)->DrawableContentRect()); // Layers that do not draw content should have empty visible content rects. EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 0, 0), render_surface1->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 0, 0), render_surface2->visible_layer_rect()); // A clipped surface grows its DrawableContentRect to include all drawable // regions of the subtree, but also gets clamped by the ancestor's clip. EXPECT_EQ(gfx::RectF(5.f, 5.f, 95.f, 95.f), GetRenderSurface(render_surface1)->DrawableContentRect()); // render_surface1 lives in the "unclipped universe" of render_surface1, and // is only implicitly clipped by render_surface1's content rect. So, // render_surface2 grows to enclose all visible drawable content of its // subtree. EXPECT_EQ(gfx::RectF(5.f, 5.f, 95.f, 95.f), GetRenderSurface(render_surface2)->DrawableContentRect()); // All layers that draw content into render_surface2 think they are unclipped // by the surface. So, only the viewport clip applies. EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 25, 25), child2->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 0, 0), child3->visible_layer_rect()); // DrawableContentRects are also unclipped. EXPECT_EQ(gfx::Rect(5, 5, 50, 50), child1->visible_drawable_content_rect()); EXPECT_EQ(gfx::Rect(75, 75, 25, 25), child2->visible_drawable_content_rect()); EXPECT_EQ(gfx::Rect(125, 125, 0, 0), child3->visible_drawable_content_rect()); } TEST_F(DrawPropertiesTest, VisibleRectsForClippedDescendantsOfUnclippedSurfaces) { LayerImpl* root = root_layer(); LayerImpl* render_surface1 = AddLayer(); LayerImpl* child1 = AddLayer(); LayerImpl* child2 = AddLayer(); LayerImpl* render_surface2 = AddLayer(); root->SetBounds(gfx::Size(100, 100)); render_surface1->SetBounds(gfx::Size(100, 100)); child1->SetBounds(gfx::Size(500, 500)); child1->SetDrawsContent(true); child2->SetBounds(gfx::Size(700, 700)); child2->SetDrawsContent(true); render_surface2->SetBounds(gfx::Size(1000, 1000)); render_surface2->SetDrawsContent(true); CopyProperties(root, render_surface1); CreateEffectNode(render_surface1).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface1, child1); CreateClipNode(child1); CopyProperties(child1, child2); CreateClipNode(child2); CopyProperties(child2, render_surface2); CreateEffectNode(render_surface2).render_surface_reason = RenderSurfaceReason::kTest; UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(100, 100), child1->visible_layer_rect()); EXPECT_EQ(gfx::Rect(100, 100), render_surface2->visible_layer_rect()); } TEST_F(DrawPropertiesTest, VisibleRectsWhenClipChildIsBetweenTwoRenderSurfaces) { LayerImpl* root = root_layer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* render_surface1 = AddLayer(); LayerImpl* clip_child = AddLayer(); LayerImpl* render_surface2 = AddLayer(); root->SetBounds(gfx::Size(100, 100)); clip_parent->SetBounds(gfx::Size(50, 50)); CopyProperties(root, clip_parent); CreateClipNode(clip_parent); render_surface1->SetBounds(gfx::Size(20, 20)); render_surface1->SetDrawsContent(true); CopyProperties(clip_parent, render_surface1); CreateEffectNode(render_surface1).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(render_surface1); clip_child->SetBounds(gfx::Size(60, 60)); clip_child->SetDrawsContent(true); CopyProperties(render_surface1, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); render_surface2->SetBounds(gfx::Size(60, 60)); render_surface2->SetDrawsContent(true); CopyProperties(clip_child, render_surface2); CreateEffectNode(render_surface2).render_surface_reason = RenderSurfaceReason::kTest; UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(20, 20), render_surface1->visible_layer_rect()); EXPECT_EQ(gfx::Rect(50, 50), clip_child->visible_layer_rect()); EXPECT_EQ(gfx::Rect(50, 50), render_surface2->visible_layer_rect()); } TEST_F(DrawPropertiesTest, ClipRectOfSurfaceWhoseParentIsAClipChild) { LayerImpl* root = root_layer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* clip_layer = AddLayer(); LayerImpl* render_surface1 = AddLayer(); LayerImpl* clip_child = AddLayer(); LayerImpl* render_surface2 = AddLayer(); root->SetBounds(gfx::Size(100, 100)); clip_parent->SetBounds(gfx::Size(50, 50)); clip_parent->SetOffsetToTransformParent(gfx::Vector2dF(2, 2)); CopyProperties(root, clip_parent); CreateClipNode(clip_parent); clip_layer->SetBounds(gfx::Size(50, 50)); clip_layer->SetOffsetToTransformParent(gfx::Vector2dF(2, 2)); CopyProperties(clip_parent, clip_layer); CreateClipNode(clip_layer); render_surface1->SetBounds(gfx::Size(20, 20)); render_surface1->SetDrawsContent(true); CopyProperties(clip_layer, render_surface1); CreateTransformNode(render_surface1).post_translation = gfx::Vector2dF(2, 2); CreateEffectNode(render_surface1).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(render_surface1); clip_child->SetBounds(gfx::Size(60, 60)); clip_child->SetDrawsContent(true); CopyProperties(render_surface1, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); render_surface2->SetBounds(gfx::Size(60, 60)); render_surface2->SetDrawsContent(true); CopyProperties(clip_child, render_surface2); CreateTransformNode(render_surface2); CreateEffectNode(render_surface2).render_surface_reason = RenderSurfaceReason::kTest; float device_scale_factor = 1.f; UpdateActiveTreeDrawProperties(device_scale_factor); EXPECT_EQ(gfx::Rect(50, 50), GetRenderSurface(render_surface2)->clip_rect()); device_scale_factor = 2.f; UpdateActiveTreeDrawProperties(device_scale_factor); EXPECT_EQ(gfx::Rect(100, 100), GetRenderSurface(render_surface2)->clip_rect()); } // Test that only drawn layers contribute to render surface content rect. TEST_F(DrawPropertiesTest, RenderSurfaceContentRectWhenLayerNotDrawn) { LayerImpl* root = root_layer(); LayerImpl* surface = AddLayer(); LayerImpl* test_layer = AddLayer(); root->SetBounds(gfx::Size(200, 200)); surface->SetBounds(gfx::Size(100, 100)); surface->SetDrawsContent(true); test_layer->SetBounds(gfx::Size(150, 150)); CopyProperties(root, surface); CreateEffectNode(surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(surface, test_layer); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(100, 100), GetRenderSurface(surface)->content_rect()); test_layer->SetDrawsContent(true); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(150, 150), GetRenderSurface(surface)->content_rect()); } // Tests visible rects computation when we have unclipped_surface-> // surface_with_unclipped_descendants->clipped_surface, checks that the bounds // of surface_with_unclipped_descendants doesn't propagate to the // clipped_surface below it. TEST_F(DrawPropertiesTest, VisibleRectsMultipleSurfaces) { LayerImpl* root = root_layer(); LayerImpl* unclipped_surface = AddLayer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* unclipped_desc_surface = AddLayer(); LayerImpl* clip_child = AddLayer(); LayerImpl* clipped_surface = AddLayer(); root->SetBounds(gfx::Size(100, 100)); unclipped_surface->SetBounds(gfx::Size(30, 30)); unclipped_surface->SetDrawsContent(true); clip_parent->SetBounds(gfx::Size(50, 50)); unclipped_desc_surface->SetBounds(gfx::Size(20, 20)); unclipped_desc_surface->SetDrawsContent(true); clip_child->SetBounds(gfx::Size(60, 60)); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); clipped_surface->SetBounds(gfx::Size(60, 60)); clipped_surface->SetDrawsContent(true); CopyProperties(root, unclipped_surface); CreateEffectNode(unclipped_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(unclipped_surface, clip_parent); CreateClipNode(clip_parent); CopyProperties(clip_parent, unclipped_desc_surface); CreateEffectNode(unclipped_desc_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(unclipped_desc_surface, clip_child); CopyProperties(clip_child, clipped_surface); CreateEffectNode(clipped_surface).render_surface_reason = RenderSurfaceReason::kTest; UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(30, 30), unclipped_surface->visible_layer_rect()); EXPECT_EQ(gfx::Rect(20, 20), unclipped_desc_surface->visible_layer_rect()); EXPECT_EQ(gfx::Rect(50, 50), clipped_surface->visible_layer_rect()); } // Tests visible rects computation when we have unclipped_surface-> // surface_with_unclipped_descendants->clipped_surface, checks that the bounds // of root propagate to the clipped_surface. TEST_F(DrawPropertiesTest, RootClipPropagationToClippedSurface) { LayerImpl* root = root_layer(); LayerImpl* unclipped_surface = AddLayer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* unclipped_desc_surface = AddLayer(); LayerImpl* clip_child = AddLayer(); LayerImpl* clipped_surface = AddLayer(); root->SetBounds(gfx::Size(10, 10)); unclipped_surface->SetBounds(gfx::Size(50, 50)); unclipped_surface->SetDrawsContent(true); clip_parent->SetBounds(gfx::Size(50, 50)); unclipped_desc_surface->SetBounds(gfx::Size(100, 100)); unclipped_desc_surface->SetDrawsContent(true); clip_child->SetBounds(gfx::Size(100, 100)); clipped_surface->SetBounds(gfx::Size(50, 50)); clipped_surface->SetDrawsContent(true); CopyProperties(root, unclipped_surface); CreateEffectNode(unclipped_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(unclipped_surface, clip_parent); CreateClipNode(clip_parent); CopyProperties(clip_parent, unclipped_desc_surface); CreateEffectNode(unclipped_desc_surface).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(unclipped_desc_surface); CopyProperties(unclipped_desc_surface, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); CopyProperties(clip_child, clipped_surface); CreateEffectNode(clipped_surface).render_surface_reason = RenderSurfaceReason::kTest; UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(10, 10), unclipped_surface->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), unclipped_desc_surface->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), clipped_surface->visible_layer_rect()); } // Layers that have non-axis aligned bounds (due to transforms) have an // expanded, axis-aligned DrawableContentRect and visible content rect. TEST_F(DrawPropertiesTest, DrawableAndVisibleContentRectsWithTransformOnUnclippedSurface) { LayerImpl* root = root_layer(); LayerImpl* render_surface = AddLayer(); LayerImpl* child1 = AddLayer(); gfx::Transform child_rotation; child_rotation.Rotate(45.0); root->SetBounds(gfx::Size(100, 100)); render_surface->SetBounds(gfx::Size(3, 4)); child1->SetBounds(gfx::Size(50, 50)); child1->SetDrawsContent(true); CopyProperties(root, render_surface); CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface, child1); auto& child1_transform_node = CreateTransformNode(child1); child1_transform_node.origin = gfx::Point3F(25.f, 25.f, 0.f); child1_transform_node.post_translation = gfx::Vector2dF(25.f, 25.f); child1_transform_node.local = child_rotation; UpdateActiveTreeDrawProperties(); ASSERT_TRUE(GetRenderSurface(render_surface)); EXPECT_EQ(gfx::RectF(100.f, 100.f), GetRenderSurface(root)->DrawableContentRect()); // Layers that do not draw content should have empty visible content rects. EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 0, 0), render_surface->visible_layer_rect()); // The unclipped surface grows its DrawableContentRect to include all drawable // regions of the subtree. int diagonal_radius = ceil(sqrt(2.0) * 25.0); gfx::Rect expected_surface_drawable_content = gfx::Rect(50 - diagonal_radius, 50 - diagonal_radius, diagonal_radius * 2, diagonal_radius * 2); EXPECT_EQ(gfx::RectF(expected_surface_drawable_content), GetRenderSurface(render_surface)->DrawableContentRect()); // All layers that draw content into the unclipped surface are also unclipped. EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1->visible_layer_rect()); EXPECT_EQ(expected_surface_drawable_content, child1->visible_drawable_content_rect()); } // Layers that have non-axis aligned bounds (due to transforms) have an // expanded, axis-aligned DrawableContentRect and visible content rect. TEST_F(DrawPropertiesTest, DrawableAndVisibleContentRectsWithTransformOnClippedSurface) { LayerImpl* root = root_layer(); LayerImpl* render_surface = AddLayer(); LayerImpl* child1 = AddLayer(); gfx::Transform child_rotation; child_rotation.Rotate(45.0); root->SetBounds(gfx::Size(50, 50)); render_surface->SetBounds(gfx::Size(3, 4)); child1->SetBounds(gfx::Size(50, 50)); child1->SetDrawsContent(true); CreateClipNode(root); CopyProperties(root, render_surface); CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface, child1); // Make sure render surface takes content outside visible rect into // consideration. root->layer_tree_impl() ->property_trees() ->effect_tree.Node(child1->effect_tree_index()) ->backdrop_filters.Append( FilterOperation::CreateZoomFilter(1.f /* zoom */, 0 /* inset */)); auto& child1_transform_node = CreateTransformNode(child1); child1_transform_node.origin = gfx::Point3F(25.f, 25.f, 0.f); child1_transform_node.post_translation = gfx::Vector2dF(25.f, 25.f); child1_transform_node.local = child_rotation; UpdateActiveTreeDrawProperties(); ASSERT_TRUE(GetRenderSurface(render_surface)); // The clipped surface clamps the DrawableContentRect that encloses the // rotated layer. int diagonal_radius = ceil(sqrt(2.0) * 25.0); gfx::Rect unclipped_surface_content = gfx::Rect(50 - diagonal_radius, 50 - diagonal_radius, diagonal_radius * 2, diagonal_radius * 2); gfx::RectF expected_surface_drawable_content( gfx::IntersectRects(unclipped_surface_content, gfx::Rect(50, 50))); EXPECT_EQ(expected_surface_drawable_content, GetRenderSurface(render_surface)->DrawableContentRect()); // On the clipped surface, only a quarter of the child1 is visible, but when // rotating it back to child1's content space, the actual enclosing rect ends // up covering the full left half of child1. EXPECT_EQ(gfx::Rect(0, 0, 25, 50), child1->visible_layer_rect()); // The child's DrawableContentRect is unclipped. EXPECT_EQ(unclipped_surface_content, child1->visible_drawable_content_rect()); } TEST_F(DrawPropertiesTest, DrawableAndVisibleContentRectsInHighDPI) { LayerImpl* root = root_layer(); FakePictureLayerImpl* render_surface1 = AddLayer(); FakePictureLayerImpl* render_surface2 = AddLayer(); FakePictureLayerImpl* child1 = AddLayer(); FakePictureLayerImpl* child2 = AddLayer(); FakePictureLayerImpl* child3 = AddLayer(); root->SetBounds(gfx::Size(100, 100)); render_surface1->SetBounds(gfx::Size(3, 4)); render_surface1->SetDrawsContent(true); render_surface2->SetBounds(gfx::Size(7, 13)); render_surface2->SetDrawsContent(true); child1->SetBounds(gfx::Size(50, 50)); child1->SetDrawsContent(true); child2->SetBounds(gfx::Size(50, 50)); child2->SetDrawsContent(true); child3->SetBounds(gfx::Size(50, 50)); child3->SetDrawsContent(true); CreateClipNode(root); CopyProperties(root, render_surface1); CreateTransformNode(render_surface1).post_translation = gfx::Vector2dF(5.f, 5.f); CreateEffectNode(render_surface1).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface1, render_surface2); CreateTransformNode(render_surface2).post_translation = gfx::Vector2dF(5.f, 5.f); CreateEffectNode(render_surface2).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface2, child1); child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f)); CopyProperties(render_surface2, child2); child2->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f)); CopyProperties(render_surface2, child3); child3->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f)); float device_scale_factor = 2.f; UpdateActiveTreeDrawProperties(device_scale_factor); ASSERT_TRUE(GetRenderSurface(render_surface1)); ASSERT_TRUE(GetRenderSurface(render_surface2)); // drawable_content_rects for all layers and surfaces are scaled by // device_scale_factor. EXPECT_EQ(gfx::RectF(200.f, 200.f), GetRenderSurface(root)->DrawableContentRect()); EXPECT_EQ(gfx::RectF(10.f, 10.f, 190.f, 190.f), GetRenderSurface(render_surface1)->DrawableContentRect()); // render_surface2 lives in the "unclipped universe" of render_surface1, and // is only implicitly clipped by render_surface1, though it would only contain // the visible content. EXPECT_EQ(gfx::RectF(10.f, 10.f, 180.f, 180.f), GetRenderSurface(render_surface2)->DrawableContentRect()); EXPECT_EQ(gfx::Rect(10, 10, 100, 100), child1->visible_drawable_content_rect()); EXPECT_EQ(gfx::Rect(150, 150, 30, 30), child2->visible_drawable_content_rect()); EXPECT_EQ(gfx::Rect(250, 250, 0, 0), child3->visible_drawable_content_rect()); // The root layer does not actually draw content of its own. EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect()); // All layer visible content rects are not expressed in content space of each // layer, so they are not scaled by the device_scale_factor. EXPECT_EQ(gfx::Rect(0, 0, 3, 4), render_surface1->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 7, 13), render_surface2->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 15, 15), child2->visible_layer_rect()); EXPECT_EQ(gfx::Rect(0, 0, 0, 0), child3->visible_layer_rect()); } using DrawPropertiesScalingTest = DrawPropertiesTest; // Verify draw and screen space transforms of layers not in a surface. TEST_F(DrawPropertiesScalingTest, LayerTransformsInHighDPI) { LayerImpl* root = root_layer(); root->SetBounds(gfx::Size(100, 100)); root->SetDrawsContent(true); LayerImpl* child = AddLayer(); child->SetBounds(gfx::Size(10, 10)); child->SetDrawsContent(true); LayerImpl* child2 = AddLayer(); child2->SetBounds(gfx::Size(5, 5)); child2->SetDrawsContent(true); float device_scale_factor = 2.5f; CopyProperties(root, child); child->SetOffsetToTransformParent(gfx::Vector2dF(2.f, 2.f)); CopyProperties(root, child2); child2->SetOffsetToTransformParent(gfx::Vector2dF(2.f, 2.f)); UpdateActiveTreeDrawProperties(device_scale_factor); EXPECT_FLOAT_EQ(device_scale_factor, root->GetIdealContentsScale()); EXPECT_FLOAT_EQ(device_scale_factor, child->GetIdealContentsScale()); EXPECT_FLOAT_EQ(device_scale_factor, child2->GetIdealContentsScale()); EXPECT_EQ(1u, GetRenderSurfaceList().size()); // Verify root transforms gfx::Transform expected_root_transform; expected_root_transform.Scale(device_scale_factor, device_scale_factor); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_root_transform, root->ScreenSpaceTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_root_transform, root->DrawTransform()); // Verify results of transformed root rects gfx::RectF root_bounds(gfx::SizeF(root->bounds())); gfx::RectF root_draw_rect = MathUtil::MapClippedRect(root->DrawTransform(), root_bounds); gfx::RectF root_screen_space_rect = MathUtil::MapClippedRect(root->ScreenSpaceTransform(), root_bounds); gfx::RectF expected_root_draw_rect(gfx::SizeF(root->bounds())); expected_root_draw_rect.Scale(device_scale_factor); EXPECT_FLOAT_RECT_EQ(expected_root_draw_rect, root_draw_rect); EXPECT_FLOAT_RECT_EQ(expected_root_draw_rect, root_screen_space_rect); // Verify child and child2 transforms. They should match. gfx::Transform expected_child_transform; expected_child_transform.Scale(device_scale_factor, device_scale_factor); expected_child_transform.Translate(child->offset_to_transform_parent()); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_child_transform, child->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_child_transform, child->ScreenSpaceTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_child_transform, child2->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_child_transform, child2->ScreenSpaceTransform()); // Verify results of transformed child and child2 rects. They should // match. gfx::RectF child_bounds(gfx::SizeF(child->bounds())); gfx::RectF child_draw_rect = MathUtil::MapClippedRect(child->DrawTransform(), child_bounds); gfx::RectF child_screen_space_rect = MathUtil::MapClippedRect(child->ScreenSpaceTransform(), child_bounds); gfx::RectF child2_draw_rect = MathUtil::MapClippedRect(child2->DrawTransform(), child_bounds); gfx::RectF child2_screen_space_rect = MathUtil::MapClippedRect(child2->ScreenSpaceTransform(), child_bounds); gfx::RectF expected_child_draw_rect( gfx::PointAtOffsetFromOrigin(child->offset_to_transform_parent()), gfx::SizeF(child->bounds())); expected_child_draw_rect.Scale(device_scale_factor); EXPECT_FLOAT_RECT_EQ(expected_child_draw_rect, child_draw_rect); EXPECT_FLOAT_RECT_EQ(expected_child_draw_rect, child_screen_space_rect); EXPECT_FLOAT_RECT_EQ(expected_child_draw_rect, child2_draw_rect); EXPECT_FLOAT_RECT_EQ(expected_child_draw_rect, child2_screen_space_rect); } // Verify draw and screen space transforms of layers in a surface. TEST_F(DrawPropertiesScalingTest, SurfaceLayerTransformsInHighDPI) { gfx::Transform perspective_matrix; perspective_matrix.ApplyPerspectiveDepth(2.0); gfx::Vector2dF perspective_surface_offset(2.f, 2.f); gfx::Transform scale_small_matrix; scale_small_matrix.Scale(SK_Scalar1 / 10.f, SK_Scalar1 / 12.f); LayerImpl* root = root_layer(); root->SetBounds(gfx::Size(100, 100)); SetupViewport(root, gfx::Size(100, 100), gfx::Size(100, 100)); LayerImpl* parent = AddLayer(); parent->SetBounds(gfx::Size(100, 100)); parent->SetDrawsContent(true); LayerImpl* perspective_surface = AddLayer(); perspective_surface->SetBounds(gfx::Size(10, 10)); perspective_surface->SetDrawsContent(true); LayerImpl* scale_surface = AddLayer(); scale_surface->SetBounds(gfx::Size(10, 10)); scale_surface->SetDrawsContent(true); CopyProperties(OuterViewportScrollLayer(), parent); CopyProperties(parent, perspective_surface); auto& perspective_surface_transform = CreateTransformNode(perspective_surface); perspective_surface_transform.local = perspective_matrix * scale_small_matrix; perspective_surface_transform.post_translation = perspective_surface_offset; CreateEffectNode(perspective_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(parent, scale_surface); auto& scale_surface_transform = CreateTransformNode(scale_surface); scale_surface_transform.local = scale_small_matrix; scale_surface_transform.post_translation = gfx::Vector2dF(2.f, 2.f); CreateEffectNode(scale_surface).render_surface_reason = RenderSurfaceReason::kTest; float device_scale_factor = 2.5f; float page_scale_factor = 3.f; host_impl()->active_tree()->SetPageScaleOnActiveTree(page_scale_factor); UpdateActiveTreeDrawProperties(device_scale_factor); EXPECT_FLOAT_EQ(device_scale_factor * page_scale_factor, parent->GetIdealContentsScale()); EXPECT_FLOAT_EQ(device_scale_factor * page_scale_factor, perspective_surface->GetIdealContentsScale()); // Ideal scale is the max 2d scale component of the combined transform up to // the nearest render target. Here this includes the layer transform as well // as the device and page scale factors. gfx::Transform transform = scale_small_matrix; transform.Scale(device_scale_factor * page_scale_factor, device_scale_factor * page_scale_factor); gfx::Vector2dF scales = MathUtil::ComputeTransform2dScaleComponents(transform, 0.f); float max_2d_scale = std::max(scales.x(), scales.y()); EXPECT_FLOAT_EQ(max_2d_scale, scale_surface->GetIdealContentsScale()); // The ideal scale will draw 1:1 with its render target space along // the larger-scale axis. gfx::Vector2dF target_space_transform_scales = MathUtil::ComputeTransform2dScaleComponents( scale_surface->draw_properties().target_space_transform, 0.f); EXPECT_FLOAT_EQ(max_2d_scale, std::max(target_space_transform_scales.x(), target_space_transform_scales.y())); EXPECT_EQ(3u, GetRenderSurfaceList().size()); gfx::Transform expected_parent_draw_transform; expected_parent_draw_transform.Scale(device_scale_factor * page_scale_factor, device_scale_factor * page_scale_factor); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_parent_draw_transform, parent->DrawTransform()); // The scale for the perspective surface is not known, so it is rendered 1:1 // with the screen, and then scaled during drawing. gfx::Transform expected_perspective_surface_draw_transform; expected_perspective_surface_draw_transform.Translate( device_scale_factor * page_scale_factor * perspective_surface_offset.x(), device_scale_factor * page_scale_factor * perspective_surface_offset.y()); expected_perspective_surface_draw_transform.PreconcatTransform( perspective_matrix); expected_perspective_surface_draw_transform.PreconcatTransform( scale_small_matrix); gfx::Transform expected_perspective_surface_layer_draw_transform; expected_perspective_surface_layer_draw_transform.Scale( device_scale_factor * page_scale_factor, device_scale_factor * page_scale_factor); EXPECT_TRANSFORMATION_MATRIX_EQ( expected_perspective_surface_draw_transform, GetRenderSurface(perspective_surface)->draw_transform()); EXPECT_TRANSFORMATION_MATRIX_EQ( expected_perspective_surface_layer_draw_transform, perspective_surface->DrawTransform()); } TEST_F(DrawPropertiesScalingTest, SmallIdealScale) { gfx::Transform parent_scale_matrix; SkScalar initial_parent_scale = 1.75; parent_scale_matrix.Scale(initial_parent_scale, initial_parent_scale); gfx::Transform child_scale_matrix; SkScalar initial_child_scale = 0.25; child_scale_matrix.Scale(initial_child_scale, initial_child_scale); LayerImpl* root = root_layer(); root->SetBounds(gfx::Size(100, 100)); LayerImpl* page_scale = AddLayer(); page_scale->SetBounds(gfx::Size(100, 100)); LayerImpl* parent = AddLayer(); parent->SetBounds(gfx::Size(100, 100)); parent->SetDrawsContent(true); LayerImpl* child_scale = AddLayer(); child_scale->SetBounds(gfx::Size(10, 10)); child_scale->SetDrawsContent(true); float device_scale_factor = 2.5f; float page_scale_factor = 0.01f; CopyProperties(root, page_scale); CreateTransformNode(page_scale).in_subtree_of_page_scale_layer = true; CopyProperties(page_scale, parent); CreateTransformNode(parent).local = parent_scale_matrix; CopyProperties(parent, child_scale); CreateTransformNode(child_scale).local = child_scale_matrix; LayerTreeImpl::ViewportPropertyIds viewport_property_ids; viewport_property_ids.page_scale_transform = page_scale->transform_tree_index(); host_impl()->active_tree()->SetViewportPropertyIds(viewport_property_ids); host_impl()->active_tree()->SetPageScaleOnActiveTree(page_scale_factor); UpdateActiveTreeDrawProperties(device_scale_factor); // The ideal scale is able to go below 1. float expected_ideal_scale = device_scale_factor * page_scale_factor * initial_parent_scale; EXPECT_LT(expected_ideal_scale, 1.f); EXPECT_FLOAT_EQ(expected_ideal_scale, parent->GetIdealContentsScale()); expected_ideal_scale = device_scale_factor * page_scale_factor * initial_parent_scale * initial_child_scale; EXPECT_LT(expected_ideal_scale, 1.f); EXPECT_FLOAT_EQ(expected_ideal_scale, child_scale->GetIdealContentsScale()); } TEST_F(DrawPropertiesScalingTest, IdealScaleForAnimatingLayer) { gfx::Transform parent_scale_matrix; SkScalar initial_parent_scale = 1.75; parent_scale_matrix.Scale(initial_parent_scale, initial_parent_scale); gfx::Transform child_scale_matrix; SkScalar initial_child_scale = 1.25; child_scale_matrix.Scale(initial_child_scale, initial_child_scale); LayerImpl* root = root_layer(); root->SetBounds(gfx::Size(100, 100)); LayerImpl* parent = AddLayer(); parent->SetBounds(gfx::Size(100, 100)); parent->SetDrawsContent(true); LayerImpl* child_scale = AddLayer(); child_scale->SetBounds(gfx::Size(10, 10)); child_scale->SetDrawsContent(true); CopyProperties(root, parent); CreateTransformNode(parent).local = parent_scale_matrix; CopyProperties(parent, child_scale); CreateTransformNode(child_scale).local = child_scale_matrix; UpdateActiveTreeDrawProperties(); EXPECT_FLOAT_EQ(initial_parent_scale, parent->GetIdealContentsScale()); // Animating layers compute ideal scale in the same way as when // they are static. EXPECT_FLOAT_EQ(initial_child_scale * initial_parent_scale, child_scale->GetIdealContentsScale()); } TEST_F(DrawPropertiesTest, RenderSurfaceTransformsInHighDPI) { LayerImpl* parent = root_layer(); parent->SetBounds(gfx::Size(30, 30)); parent->SetDrawsContent(true); LayerImpl* child = AddLayer(); child->SetBounds(gfx::Size(10, 10)); child->SetDrawsContent(true); // This layer should end up in the same surface as child, with the same draw // and screen space transforms. LayerImpl* duplicate_child_non_owner = AddLayer(); duplicate_child_non_owner->SetBounds(gfx::Size(10, 10)); duplicate_child_non_owner->SetDrawsContent(true); float device_scale_factor = 1.5f; gfx::Vector2dF child_offset(2.f, 2.f); CopyProperties(parent, child); CreateTransformNode(child).post_translation = child_offset; CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(child, duplicate_child_non_owner); duplicate_child_non_owner->SetOffsetToTransformParent( child->offset_to_transform_parent()); UpdateActiveTreeDrawProperties(device_scale_factor); // We should have two render surfaces. The root's render surface and child's // render surface (it needs one because of force_render_surface). EXPECT_EQ(2u, GetRenderSurfaceList().size()); gfx::Transform expected_parent_transform; expected_parent_transform.Scale(device_scale_factor, device_scale_factor); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_parent_transform, parent->ScreenSpaceTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_parent_transform, parent->DrawTransform()); gfx::Transform expected_draw_transform; expected_draw_transform.Scale(device_scale_factor, device_scale_factor); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_draw_transform, child->DrawTransform()); gfx::Transform expected_screen_space_transform; expected_screen_space_transform.Scale(device_scale_factor, device_scale_factor); expected_screen_space_transform.Translate(child_offset); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_screen_space_transform, child->ScreenSpaceTransform()); gfx::Transform expected_duplicate_child_draw_transform = child->DrawTransform(); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_duplicate_child_draw_transform, duplicate_child_non_owner->DrawTransform()); EXPECT_TRANSFORMATION_MATRIX_EQ( child->ScreenSpaceTransform(), duplicate_child_non_owner->ScreenSpaceTransform()); EXPECT_EQ(child->visible_drawable_content_rect(), duplicate_child_non_owner->visible_drawable_content_rect()); EXPECT_EQ(child->bounds(), duplicate_child_non_owner->bounds()); gfx::Transform expected_render_surface_draw_transform; expected_render_surface_draw_transform.Translate( device_scale_factor * child_offset.x(), device_scale_factor * child_offset.y()); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_render_surface_draw_transform, GetRenderSurface(child)->draw_transform()); gfx::Transform expected_surface_draw_transform; expected_surface_draw_transform.Translate(device_scale_factor * 2.f, device_scale_factor * 2.f); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_surface_draw_transform, GetRenderSurface(child)->draw_transform()); gfx::Transform expected_surface_screen_space_transform; expected_surface_screen_space_transform.Translate(device_scale_factor * 2.f, device_scale_factor * 2.f); EXPECT_TRANSFORMATION_MATRIX_EQ( expected_surface_screen_space_transform, GetRenderSurface(child)->screen_space_transform()); } TEST_F(DrawPropertiesTest, RenderSurfaceTransformsInHighDPIAccurateScaleZeroPosition) { LayerImpl* parent = root_layer(); parent->SetBounds(gfx::Size(33, 31)); parent->SetDrawsContent(true); LayerImpl* child = AddLayer(); child->SetBounds(gfx::Size(13, 11)); child->SetDrawsContent(true); float device_scale_factor = 1.7f; CopyProperties(parent, child); CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest; UpdateActiveTreeDrawProperties(device_scale_factor); // We should have two render surfaces. The root's render surface and child's // render surface (it needs one because of force_render_surface). EXPECT_EQ(2u, GetRenderSurfaceList().size()); EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), GetRenderSurface(child)->draw_transform()); EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), GetRenderSurface(child)->draw_transform()); EXPECT_TRANSFORMATION_MATRIX_EQ( gfx::Transform(), GetRenderSurface(child)->screen_space_transform()); } // Needs layer tree mode: mask layer. Not using impl-side PropertyTreeBuilder. TEST_F(DrawPropertiesTestWithLayerTree, LayerSearch) { scoped_refptr root = Layer::Create(); scoped_refptr child = Layer::Create(); scoped_refptr grand_child = Layer::Create(); FakeContentLayerClient client; scoped_refptr mask_layer = PictureLayer::Create(&client); child->AddChild(grand_child.get()); child->SetMaskLayer(mask_layer); root->AddChild(child.get()); host()->SetRootLayer(root); int nonexistent_id = -1; EXPECT_EQ(root.get(), host()->LayerById(root->id())); EXPECT_EQ(child.get(), host()->LayerById(child->id())); EXPECT_EQ(grand_child.get(), host()->LayerById(grand_child->id())); EXPECT_EQ(mask_layer.get(), host()->LayerById(mask_layer->id())); EXPECT_FALSE(host()->LayerById(nonexistent_id)); } TEST_F(DrawPropertiesTest, TransparentChildRenderSurfaceCreation) { LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); root->SetBounds(gfx::Size(100, 100)); child->SetBounds(gfx::Size(10, 10)); grand_child->SetBounds(gfx::Size(10, 10)); grand_child->SetDrawsContent(true); CopyProperties(root, child); CreateEffectNode(child).opacity = 0.5f; CopyProperties(child, grand_child); UpdateActiveTreeDrawProperties(); EXPECT_EQ(GetRenderSurface(child), GetRenderSurface(root)); } TEST_F(DrawPropertiesTest, OpacityAnimatingOnPendingTree) { host_impl()->CreatePendingTree(); LayerImpl* root = EnsureRootLayerInPendingTree(); root->SetBounds(gfx::Size(100, 100)); root->SetDrawsContent(true); auto* child = AddLayerInPendingTree(); child->SetBounds(gfx::Size(50, 50)); child->SetDrawsContent(true); host_impl()->pending_tree()->SetElementIdsForTesting(); CopyProperties(root, child); CreateEffectNode(child).opacity = 0.0f; // Add opacity animation. AddOpacityTransitionToElementWithAnimation( child->element_id(), timeline_impl(), 10.0, 0.0f, 1.0f, false); UpdatePendingTreeDrawProperties(); // We should have one render surface and two layers. The child // layer should be included even though it is transparent. ASSERT_EQ(1u, host_impl()->pending_tree()->GetRenderSurfaceList().size()); ASSERT_EQ(2, GetRenderSurface(root)->num_contributors()); // If the root itself is hidden, the child should not be drawn even if it has // an animating opacity. SetOpacity(root, 0.0f); UpdatePendingTreeDrawProperties(); EXPECT_FALSE(GetEffectNode(child)->is_drawn); // A layer should be drawn and it should contribute to drawn surface when // it has animating opacity even if it has opacity 0. SetOpacity(root, 1.0f); SetOpacity(child, 0.0f); UpdatePendingTreeDrawProperties(); EXPECT_TRUE(GetEffectNode(child)->is_drawn); EXPECT_TRUE(GetPropertyTrees(root)->effect_tree.ContributesToDrawnSurface( child->effect_tree_index())); // But if the opacity of the layer remains 0 after activation, it should not // be drawn. host_impl()->ActivateSyncTree(); LayerTreeImpl* active_tree = host_impl()->active_tree(); LayerImpl* active_child = active_tree->LayerById(child->id()); EffectTree& active_effect_tree = active_tree->property_trees()->effect_tree; EXPECT_TRUE(active_effect_tree.needs_update()); UpdateActiveTreeDrawProperties(); EXPECT_FALSE(GetEffectNode(active_child)->is_drawn); EXPECT_FALSE(active_effect_tree.ContributesToDrawnSurface( active_child->effect_tree_index())); } class TransformInteropTest : public DrawPropertiesTestBase, public testing::Test { public: TransformInteropTest() : DrawPropertiesTestBase(TransformInteropSettings()) {} protected: LayerTreeSettings TransformInteropSettings() { LayerListSettings settings; settings.enable_transform_interop = true; return settings; } }; TEST_F(TransformInteropTest, BackfaceInvisibleTransform) { LayerImpl* root = root_layer(); root->SetDrawsContent(true); LayerImpl* back_facing = AddLayer(); LayerImpl* back_facing_double_sided = AddLayer(); LayerImpl* front_facing = AddLayer(); back_facing->SetDrawsContent(true); back_facing_double_sided->SetDrawsContent(true); front_facing->SetDrawsContent(true); root->SetBounds(gfx::Size(50, 50)); back_facing->SetBounds(gfx::Size(50, 50)); back_facing_double_sided->SetBounds(gfx::Size(50, 50)); front_facing->SetBounds(gfx::Size(50, 50)); CopyProperties(root, back_facing); CopyProperties(root, front_facing); back_facing->SetShouldCheckBackfaceVisibility(true); back_facing_double_sided->SetShouldCheckBackfaceVisibility(false); front_facing->SetShouldCheckBackfaceVisibility(true); auto& back_facing_transform_node = CreateTransformNode(back_facing); back_facing_transform_node.flattens_inherited_transform = false; back_facing_transform_node.sorting_context_id = 1; gfx::Transform rotate_about_y; rotate_about_y.RotateAboutYAxis(180.0); back_facing_transform_node.local = rotate_about_y; CopyProperties(back_facing, back_facing_double_sided); UpdateActiveTreeDrawProperties(); EXPECT_TRUE(draw_property_utils::IsLayerBackFaceVisible( back_facing, back_facing->transform_tree_index(), host_impl()->active_tree()->property_trees())); EXPECT_TRUE(draw_property_utils::IsLayerBackFaceVisible( back_facing, back_facing_double_sided->transform_tree_index(), host_impl()->active_tree()->property_trees())); EXPECT_FALSE(draw_property_utils::IsLayerBackFaceVisible( front_facing, front_facing->transform_tree_index(), host_impl()->active_tree()->property_trees())); EXPECT_TRUE( draw_property_utils::LayerShouldBeSkippedForDrawPropertiesComputation( back_facing, host_impl()->active_tree()->property_trees())); EXPECT_FALSE( draw_property_utils::LayerShouldBeSkippedForDrawPropertiesComputation( back_facing_double_sided, host_impl()->active_tree()->property_trees())); EXPECT_FALSE( draw_property_utils::LayerShouldBeSkippedForDrawPropertiesComputation( front_facing, host_impl()->active_tree()->property_trees())); } using LCDTextTestParam = std::tuple; class LCDTextTest : public DrawPropertiesTestBase, public testing::TestWithParam { public: LCDTextTest() : DrawPropertiesTestBase(LCDTextTestLayerTreeSettings()) {} protected: LayerTreeSettings LCDTextTestLayerTreeSettings() { LayerListSettings settings; can_use_lcd_text_ = std::get<0>(GetParam()); layers_always_allowed_lcd_text_ = std::get<1>(GetParam()); settings.can_use_lcd_text = can_use_lcd_text_; settings.layers_always_allowed_lcd_text = layers_always_allowed_lcd_text_; return settings; } void SetUp() override { root_ = root_layer(); child_ = AddLayer(); grand_child_ = AddLayer(); SetElementIdsForTesting(); root_->SetContentsOpaque(true); child_->SetContentsOpaque(true); grand_child_->SetContentsOpaque(true); root_->SetDrawsContent(true); child_->SetDrawsContent(true); grand_child_->SetDrawsContent(true); root_->SetBounds(gfx::Size(1, 1)); child_->SetBounds(gfx::Size(1, 1)); grand_child_->SetBounds(gfx::Size(1, 1)); CopyProperties(root_, child_); CreateTransformNode(child_); CreateEffectNode(child_).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(child_, grand_child_); } void CheckCanUseLCDText(LCDTextDisallowedReason expected_disallowed_reason, PictureLayerImpl* layer = nullptr) { if (layers_always_allowed_lcd_text_) expected_disallowed_reason = LCDTextDisallowedReason::kNone; else if (!can_use_lcd_text_) expected_disallowed_reason = LCDTextDisallowedReason::kSetting; if (layer) { EXPECT_EQ(expected_disallowed_reason, layer->ComputeLCDTextDisallowedReasonForTesting()); } else { EXPECT_EQ(expected_disallowed_reason, child_->ComputeLCDTextDisallowedReasonForTesting()); EXPECT_EQ(expected_disallowed_reason, grand_child_->ComputeLCDTextDisallowedReasonForTesting()); } } bool can_use_lcd_text_; bool layers_always_allowed_lcd_text_; LayerImpl* root_ = nullptr; PictureLayerImpl* child_ = nullptr; PictureLayerImpl* grand_child_ = nullptr; }; TEST_P(LCDTextTest, CanUseLCDText) { // Case 1: Identity transform. UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kNone); // Case 2: Integral translation. gfx::Transform integral_translation; integral_translation.Translate(1.0, 2.0); SetTransform(child_, integral_translation); UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kNone); // Case 3: Non-integral translation. gfx::Transform non_integral_translation; non_integral_translation.Translate(1.5, 2.5); SetTransform(child_, non_integral_translation); UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kNonIntegralTranslation); // Case 4: Rotation. gfx::Transform rotation; rotation.Rotate(10.0); SetTransform(child_, rotation); UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kNonIntegralTranslation); // Case 5: Scale. gfx::Transform scale; scale.Scale(2.0, 2.0); SetTransform(child_, scale); UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kNonIntegralTranslation); // Case 6: Skew. gfx::Transform skew; skew.Skew(10.0, 0.0); SetTransform(child_, skew); UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kNonIntegralTranslation); // Case 7: Translucent: LCD-text is allowed. SetTransform(child_, gfx::Transform()); SetOpacity(child_, 0.5f); UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kNone); // Case 8: Sanity check: restore transform and opacity. SetTransform(child_, gfx::Transform()); SetOpacity(child_, 1.f); UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kNone); // Case 9a: Non-opaque content and opaque background. child_->SetContentsOpaque(false); child_->SetBackgroundColor(SK_ColorGREEN); UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kContentsNotOpaque, child_); CheckCanUseLCDText(LCDTextDisallowedReason::kNone, grand_child_); // Case 9b: Non-opaque content and non-opaque background. child_->SetBackgroundColor(SkColorSetARGB(128, 255, 255, 255)); UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kBackgroundColorNotOpaque, child_); CheckCanUseLCDText(LCDTextDisallowedReason::kNone, grand_child_); // Case 10: Sanity check: restore content opaqueness. child_->SetContentsOpaque(true); UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kNone); // Case 11: will-change: transform child_->SetHasWillChangeTransformHint(true); UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kWillChangeTransform, child_); // TODO(wangxianzhu): Is this correct? CheckCanUseLCDText(LCDTextDisallowedReason::kNone, grand_child_); } TEST_P(LCDTextTest, CanUseLCDTextWithContentsOpaqueForText) { child_->SetContentsOpaque(false); child_->SetBackgroundColor(SK_ColorGREEN); child_->SetContentsOpaqueForText(true); CheckCanUseLCDText(LCDTextDisallowedReason::kNone, child_); child_->SetContentsOpaqueForText(false); CheckCanUseLCDText(LCDTextDisallowedReason::kContentsNotOpaque, child_); } TEST_P(LCDTextTest, CanUseLCDTextWithAnimation) { // Sanity check: Make sure can_use_lcd_text_ is set on each node. UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kNone); // Add opacity animation. gfx::Transform non_integral_translation; non_integral_translation.Translate(1.5, 2.5); SetTransform(child_, non_integral_translation); AddAnimatedTransformToElementWithAnimation(child_->element_id(), timeline(), 10.0, 12, 34); UpdateActiveTreeDrawProperties(); // Text LCD should be adjusted while animation is active. CheckCanUseLCDText(LCDTextDisallowedReason::kNonIntegralTranslation); } TEST_P(LCDTextTest, CanUseLCDTextWithAnimationContentsOpaque) { // Sanity check: Make sure can_use_lcd_text_ is set on each node. UpdateActiveTreeDrawProperties(); CheckCanUseLCDText(LCDTextDisallowedReason::kNone); // Mark contents non-opaque within the first animation frame. child_->SetContentsOpaque(false); child_->SetBackgroundColor(SK_ColorWHITE); AddOpacityTransitionToElementWithAnimation(child_->element_id(), timeline(), 10.0, 0.9f, 0.1f, false); UpdateActiveTreeDrawProperties(); // LCD text should be disabled for non-opaque layers even during animations. CheckCanUseLCDText(LCDTextDisallowedReason::kContentsNotOpaque, child_); CheckCanUseLCDText(LCDTextDisallowedReason::kNone, grand_child_); } INSTANTIATE_TEST_SUITE_P(DrawPropertiesTest, LCDTextTest, testing::Combine(testing::Bool(), testing::Bool())); // Needs layer tree mode: hide_layer_and_subtree. TEST_F(DrawPropertiesTestWithLayerTree, SubtreeHidden_SingleLayerImpl) { auto root = Layer::Create(); root->SetBounds(gfx::Size(50, 50)); root->SetIsDrawable(true); auto child = Layer::Create(); root->AddChild(child); child->SetBounds(gfx::Size(40, 40)); child->SetIsDrawable(true); auto grand_child = Layer::Create(); child->AddChild(grand_child); grand_child->SetBounds(gfx::Size(30, 30)); grand_child->SetIsDrawable(true); grand_child->SetHideLayerAndSubtree(true); child->AddChild(grand_child); root->AddChild(child); host()->SetRootLayer(root); CommitAndActivate(); // We should have one render surface and two layers. The grand child has // hidden itself. ASSERT_EQ(1u, GetRenderSurfaceList().size()); ASSERT_EQ(2, GetRenderSurfaceImpl(root)->num_contributors()); EXPECT_TRUE(ImplOf(root)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(child)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child)->contributes_to_drawn_render_surface()); } // Needs layer tree mode: hide_layer_and_subtree. TEST_F(DrawPropertiesTestWithLayerTree, SubtreeHidden_TwoLayersImpl) { auto root = Layer::Create(); root->SetBounds(gfx::Size(50, 50)); root->SetIsDrawable(true); auto child = Layer::Create(); child->SetBounds(gfx::Size(40, 40)); child->SetIsDrawable(true); child->SetHideLayerAndSubtree(true); auto grand_child = Layer::Create(); grand_child->SetBounds(gfx::Size(30, 30)); grand_child->SetIsDrawable(true); child->AddChild(grand_child); root->AddChild(child); host()->SetRootLayer(root); CommitAndActivate(); // We should have one render surface and one layer. The child has // hidden itself and the grand child. ASSERT_EQ(1u, GetRenderSurfaceList().size()); ASSERT_EQ(1, GetRenderSurfaceImpl(root)->num_contributors()); EXPECT_TRUE(ImplOf(root)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child)->contributes_to_drawn_render_surface()); } // Needs layer tree mode: mask layer, hide_layer_and_subtree and copy request. TEST_F(DrawPropertiesTestWithLayerTree, SubtreeHiddenWithCopyRequest) { auto root = Layer::Create(); root->SetBounds(gfx::Size(50, 50)); root->SetIsDrawable(true); auto copy_grand_parent = Layer::Create(); copy_grand_parent->SetBounds(gfx::Size(40, 40)); copy_grand_parent->SetIsDrawable(true); auto copy_parent = Layer::Create(); copy_parent->SetBounds(gfx::Size(30, 30)); copy_parent->SetIsDrawable(true); copy_parent->SetForceRenderSurfaceForTesting(true); auto copy_layer = Layer::Create(); copy_layer->SetBounds(gfx::Size(20, 20)); copy_layer->SetIsDrawable(true); copy_layer->SetForceRenderSurfaceForTesting(true); auto copy_child = Layer::Create(); copy_child->SetBounds(gfx::Size(20, 20)); copy_child->SetIsDrawable(true); auto copy_grand_child = Layer::Create(); copy_grand_child->SetBounds(gfx::Size(20, 20)); copy_grand_child->SetIsDrawable(true); auto copy_grand_parent_sibling_before = Layer::Create(); copy_grand_parent_sibling_before->SetBounds(gfx::Size(40, 40)); copy_grand_parent_sibling_before->SetIsDrawable(true); auto copy_grand_parent_sibling_after = Layer::Create(); copy_grand_parent_sibling_after->SetBounds(gfx::Size(40, 40)); copy_grand_parent_sibling_after->SetIsDrawable(true); copy_child->AddChild(copy_grand_child); copy_layer->AddChild(copy_child); copy_parent->AddChild(copy_layer); copy_grand_parent->AddChild(copy_parent); root->AddChild(copy_grand_parent_sibling_before); root->AddChild(copy_grand_parent); root->AddChild(copy_grand_parent_sibling_after); host()->SetRootLayer(root); // Hide the copy_grand_parent and its subtree. But make a copy request in that // hidden subtree on copy_layer. Also hide the copy grand child and its // subtree. copy_grand_parent->SetHideLayerAndSubtree(true); copy_grand_parent_sibling_before->SetHideLayerAndSubtree(true); copy_grand_parent_sibling_after->SetHideLayerAndSubtree(true); copy_grand_child->SetHideLayerAndSubtree(true); copy_layer->RequestCopyOfOutput( viz::CopyOutputRequest::CreateStubForTesting()); CommitAndActivate(); EXPECT_TRUE(GetEffectNode(ImplOf(root))->subtree_has_copy_request); EXPECT_TRUE( GetEffectNode(ImplOf(copy_grand_parent))->subtree_has_copy_request); EXPECT_TRUE(GetEffectNode(ImplOf(copy_parent))->subtree_has_copy_request); EXPECT_TRUE(GetEffectNode(ImplOf(copy_layer))->subtree_has_copy_request); // We should have four render surfaces, one for the root, one for the grand // parent since it has opacity and two drawing descendants, one for the parent // since it owns a surface, and one for the copy_layer. ASSERT_EQ(4u, GetRenderSurfaceList().size()); EXPECT_EQ(static_cast(root->id()), GetRenderSurfaceList().at(0)->id()); EXPECT_EQ(static_cast(copy_grand_parent->id()), GetRenderSurfaceList().at(1)->id()); EXPECT_EQ(static_cast(copy_parent->id()), GetRenderSurfaceList().at(2)->id()); EXPECT_EQ(static_cast(copy_layer->id()), GetRenderSurfaceList().at(3)->id()); // The root render surface should have 2 contributing layers. EXPECT_EQ(2, GetRenderSurfaceImpl(root)->num_contributors()); EXPECT_TRUE(ImplOf(root)->contributes_to_drawn_render_surface()); EXPECT_FALSE( ImplOf(copy_grand_parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(copy_grand_parent_sibling_before) ->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(copy_grand_parent_sibling_after) ->contributes_to_drawn_render_surface()); // Nothing actually draws into the copy parent, so only the copy_layer will // appear in its list, since it needs to be drawn for the copy request. ASSERT_EQ(1, GetRenderSurfaceImpl(copy_parent)->num_contributors()); EXPECT_FALSE(ImplOf(copy_parent)->contributes_to_drawn_render_surface()); // The copy layer's render surface should have 2 contributing layers. ASSERT_EQ(2, GetRenderSurfaceImpl(copy_layer)->num_contributors()); EXPECT_TRUE(ImplOf(copy_layer)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(copy_child)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(copy_grand_child)->contributes_to_drawn_render_surface()); // copy_grand_parent, copy_parent shouldn't be drawn because they are hidden, // but the copy_layer and copy_child should be drawn for the copy request. // copy grand child should not be drawn as its hidden even in the copy // request. EXPECT_FALSE(GetEffectNode(ImplOf(copy_grand_parent))->is_drawn); EXPECT_FALSE(GetEffectNode(ImplOf(copy_parent))->is_drawn); EXPECT_TRUE(GetEffectNode(ImplOf(copy_layer))->is_drawn); EXPECT_TRUE(GetEffectNode(ImplOf(copy_child))->is_drawn); EXPECT_FALSE(GetEffectNode(ImplOf(copy_grand_child))->is_drawn); // Though copy_layer is drawn, it shouldn't contribute to drawn surface as its // actually hidden. EXPECT_FALSE( GetRenderSurfaceImpl(copy_layer)->contributes_to_drawn_surface()); } // Needs layer tree mode: copy request. TEST_F(DrawPropertiesTestWithLayerTree, ClippedOutCopyRequest) { auto root = Layer::Create(); root->SetBounds(gfx::Size(50, 50)); root->SetIsDrawable(true); auto copy_parent = Layer::Create(); copy_parent->SetIsDrawable(true); copy_parent->SetMasksToBounds(true); auto copy_layer = Layer::Create(); copy_layer->SetBounds(gfx::Size(30, 30)); copy_layer->SetIsDrawable(true); copy_layer->SetForceRenderSurfaceForTesting(true); auto copy_child = Layer::Create(); copy_child->SetBounds(gfx::Size(20, 20)); copy_child->SetIsDrawable(true); copy_layer->RequestCopyOfOutput( viz::CopyOutputRequest::CreateStubForTesting()); copy_layer->AddChild(copy_child); copy_parent->AddChild(copy_layer); root->AddChild(copy_parent); host()->SetRootLayer(root); CommitAndActivate(); // We should have two render surface, as the others are clipped out. ASSERT_EQ(2u, GetRenderSurfaceList().size()); EXPECT_EQ(static_cast(root->id()), GetRenderSurfaceList().at(0)->id()); // The root render surface should have only 2 contributing layer, since the // other layers are clipped away. ASSERT_EQ(2, GetRenderSurfaceImpl(root)->num_contributors()); EXPECT_TRUE(ImplOf(root)->contributes_to_drawn_render_surface()); } // Needs layer tree mode: copy request. TEST_F(DrawPropertiesTestWithLayerTree, SingularTransformAndCopyRequests) { auto root = Layer::Create(); host()->SetRootLayer(root); root->SetBounds(gfx::Size(50, 50)); root->SetIsDrawable(true); auto singular_transform_layer = Layer::Create(); root->AddChild(singular_transform_layer); singular_transform_layer->SetBounds(gfx::Size(100, 100)); singular_transform_layer->SetIsDrawable(true); gfx::Transform singular; singular.Scale3d(6.f, 6.f, 0.f); singular_transform_layer->SetTransform(singular); auto copy_layer = Layer::Create(); singular_transform_layer->AddChild(copy_layer); copy_layer->SetBounds(gfx::Size(100, 100)); copy_layer->SetIsDrawable(true); copy_layer->RequestCopyOfOutput( viz::CopyOutputRequest::CreateStubForTesting()); auto copy_child = Layer::Create(); copy_layer->AddChild(copy_child); copy_child->SetBounds(gfx::Size(100, 100)); copy_child->SetIsDrawable(true); auto copy_grand_child = Layer::Create(); copy_child->AddChild(copy_grand_child); copy_grand_child->SetBounds(gfx::Size(100, 100)); copy_grand_child->SetIsDrawable(true); copy_grand_child->SetTransform(singular); ASSERT_TRUE(copy_layer->HasCopyRequest()); CommitAndActivate(); ASSERT_FALSE(copy_layer->HasCopyRequest()); // A layer with singular transform should not contribute to drawn render // surface. EXPECT_FALSE( ImplOf(singular_transform_layer)->contributes_to_drawn_render_surface()); // Even though copy_layer and copy_child have singular screen space transform, // they still contribute to drawn render surface as their transform to the // closest ancestor with copy request is not singular. EXPECT_TRUE(ImplOf(copy_layer)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(copy_child)->contributes_to_drawn_render_surface()); // copy_grand_child's transform to its closest ancestor with copy request is // also singular. So, it doesn't contribute to drawn render surface. EXPECT_FALSE(ImplOf(copy_grand_child)->contributes_to_drawn_render_surface()); } // Needs layer tree mode: copy request. TEST_F(DrawPropertiesTestWithLayerTree, VisibleRectInNonRootCopyRequest) { auto root = Layer::Create(); host()->SetRootLayer(root); root->SetBounds(gfx::Size(50, 50)); root->SetIsDrawable(true); root->SetMasksToBounds(true); auto copy_layer = Layer::Create(); root->AddChild(copy_layer); copy_layer->SetBounds(gfx::Size(100, 100)); copy_layer->SetIsDrawable(true); copy_layer->SetForceRenderSurfaceForTesting(true); auto copy_child = Layer::Create(); copy_layer->AddChild(copy_child); copy_child->SetPosition(gfx::PointF(40.f, 40.f)); copy_child->SetBounds(gfx::Size(20, 20)); copy_child->SetIsDrawable(true); auto copy_clip = Layer::Create(); copy_layer->AddChild(copy_clip); copy_clip->SetBounds(gfx::Size(55, 55)); copy_clip->SetMasksToBounds(true); auto copy_clipped_child = Layer::Create(); copy_clip->AddChild(copy_clipped_child); copy_clipped_child->SetPosition(gfx::PointF(40.f, 40.f)); copy_clipped_child->SetBounds(gfx::Size(20, 20)); copy_clipped_child->SetIsDrawable(true); auto copy_surface = Layer::Create(); copy_clip->AddChild(copy_surface); copy_surface->SetPosition(gfx::PointF(45.f, 45.f)); copy_surface->SetBounds(gfx::Size(20, 20)); copy_surface->SetIsDrawable(true); copy_surface->SetForceRenderSurfaceForTesting(true); copy_layer->RequestCopyOfOutput( viz::CopyOutputRequest::CreateStubForTesting()); ASSERT_TRUE(copy_layer->HasCopyRequest()); CommitAndActivate(); ASSERT_FALSE(copy_layer->HasCopyRequest()); EXPECT_EQ(gfx::Rect(100, 100), ImplOf(copy_layer)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(20, 20), ImplOf(copy_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(15, 15), ImplOf(copy_clipped_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_surface)->visible_layer_rect()); // Case 2: When the non root copy request layer is clipped. copy_layer->SetBounds(gfx::Size(50, 50)); copy_layer->SetMasksToBounds(true); copy_layer->RequestCopyOfOutput( viz::CopyOutputRequest::CreateStubForTesting()); ASSERT_TRUE(copy_layer->HasCopyRequest()); CommitAndActivate(); ASSERT_FALSE(copy_layer->HasCopyRequest()); EXPECT_EQ(gfx::Rect(50, 50), ImplOf(copy_layer)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_clipped_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(5, 5), ImplOf(copy_surface)->visible_layer_rect()); // Case 3: When there is device scale factor. SetDeviceScaleAndUpdateViewportRect(host(), 2.f); copy_layer->RequestCopyOfOutput( viz::CopyOutputRequest::CreateStubForTesting()); ASSERT_TRUE(copy_layer->HasCopyRequest()); CommitAndActivate(); ASSERT_FALSE(copy_layer->HasCopyRequest()); EXPECT_EQ(gfx::Rect(50, 50), ImplOf(copy_layer)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_clipped_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(5, 5), ImplOf(copy_surface)->visible_layer_rect()); } TEST_F(DrawPropertiesTest, TransformedClipParent) { // Ensure that a transform between the layer and its render surface is not a // problem. Constructs the following layer tree. // // Virtual layer tree: // root (a render surface) // + render_surface // + clip_parent (scaled) // + intervening_clipping_layer // + clip_child (clipped_by_clip_parent) // // The render surface should be resized correctly and the clip child should // inherit the right clip rect. LayerImpl* root = root_layer(); root->SetBounds(gfx::Size(50, 50)); LayerImpl* render_surface = AddLayer(); render_surface->SetBounds(gfx::Size(10, 10)); CopyProperties(root, render_surface); CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; LayerImpl* clip_parent = AddLayer(); clip_parent->SetDrawsContent(true); clip_parent->SetBounds(gfx::Size(10, 10)); CopyProperties(render_surface, clip_parent); auto& clip_parent_transform = CreateTransformNode(clip_parent); clip_parent_transform.local.Scale(2, 2); clip_parent_transform.post_translation = gfx::Vector2dF(1, 1); CreateClipNode(clip_parent); LayerImpl* intervening = AddLayer(); intervening->SetDrawsContent(true); intervening->SetBounds(gfx::Size(5, 5)); intervening->SetOffsetToTransformParent(gfx::Vector2dF(1, 1)); CopyProperties(clip_parent, intervening); CreateClipNode(intervening); LayerImpl* clip_child = AddLayer(); clip_child->SetDrawsContent(true); clip_child->SetBounds(gfx::Size(10, 10)); clip_child->SetOffsetToTransformParent(gfx::Vector2dF(2, 2)); CopyProperties(intervening, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); UpdateActiveTreeDrawProperties(); ASSERT_TRUE(GetRenderSurface(root)); ASSERT_TRUE(GetRenderSurface(render_surface)); // Ensure that we've inherited our clip parent's clip and weren't affected // by the intervening clip layer. ASSERT_EQ(gfx::Rect(1, 1, 20, 20), clip_parent->clip_rect()); ASSERT_EQ(clip_parent->clip_rect(), clip_child->clip_rect()); ASSERT_EQ(gfx::Rect(3, 3, 10, 10), intervening->clip_rect()); // Ensure that the render surface reports a content rect that has been grown // to accomodate for the clip child. ASSERT_EQ(gfx::Rect(1, 1, 20, 20), GetRenderSurface(render_surface)->content_rect()); // The above check implies the two below, but they nicely demonstrate that // we've grown, despite the intervening layer's clip. ASSERT_TRUE(clip_parent->clip_rect().Contains( GetRenderSurface(render_surface)->content_rect())); ASSERT_FALSE(intervening->clip_rect().Contains( GetRenderSurface(render_surface)->content_rect())); } TEST_F(DrawPropertiesTest, ClipParentWithInterveningRenderSurface) { // Ensure that intervening render surfaces are not a problem in the basic // case. In the following tree, both render surfaces should be resized to // accomodate for the clip child, despite an intervening clip. // // Virtual layer tree: // root (a render surface) // + clip_parent (clips) // + render_surface1 (sets opacity) // + intervening (clips) // + render_surface2 (also sets opacity) // + clip_child (clipped by clip_parent) // LayerImpl* root = root_layer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* render_surface1 = AddLayer(); LayerImpl* intervening = AddLayer(); LayerImpl* render_surface2 = AddLayer(); LayerImpl* clip_child = AddLayer(); root->SetBounds(gfx::Size(50, 50)); clip_parent->SetBounds(gfx::Size(40, 40)); clip_parent->SetOffsetToTransformParent(gfx::Vector2dF(1, 1)); CopyProperties(root, clip_parent); CreateClipNode(clip_parent); render_surface1->SetDrawsContent(true); render_surface1->SetBounds(gfx::Size(10, 10)); CopyProperties(clip_parent, render_surface1); CreateTransformNode(render_surface1).post_translation = gfx::Vector2dF(1, 1); CreateEffectNode(render_surface1).render_surface_reason = RenderSurfaceReason::kTest; intervening->SetBounds(gfx::Size(5, 5)); intervening->SetOffsetToTransformParent(gfx::Vector2dF(1, 1)); CopyProperties(render_surface1, intervening); CreateClipNode(intervening); render_surface2->SetDrawsContent(true); render_surface2->SetBounds(gfx::Size(10, 10)); CopyProperties(intervening, render_surface2); CreateTransformNode(render_surface2).post_translation = gfx::Vector2dF(1, 1); CreateEffectNode(render_surface2).render_surface_reason = RenderSurfaceReason::kTest; clip_child->SetBounds(gfx::Size(60, 60)); clip_child->SetDrawsContent(true); clip_child->SetOffsetToTransformParent(gfx::Vector2dF(-10, -10)); CopyProperties(render_surface2, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); UpdateActiveTreeDrawProperties(); EXPECT_TRUE(GetRenderSurface(root)); EXPECT_TRUE(GetRenderSurface(render_surface1)); EXPECT_TRUE(GetRenderSurface(render_surface2)); // render_surface1 should apply the clip from clip_parent. Though there is a // clip child, render_surface1 can apply the clip as there are no clips // between the clip parent and render_surface1 EXPECT_EQ(gfx::Rect(1, 1, 40, 40), GetRenderSurface(render_surface1)->clip_rect()); EXPECT_TRUE(GetRenderSurface(render_surface1)->is_clipped()); EXPECT_EQ(gfx::Rect(), render_surface1->clip_rect()); EXPECT_FALSE(render_surface1->is_clipped()); // render_surface2 could have expanded, as there is a clip between // clip_child's clip (clip_parent) and render_surface2's clip (intervening). // So, it should not be clipped (their bounds would no longer be reliable). // We should resort to layer clipping in this case. EXPECT_EQ(gfx::Rect(0, 0, 0, 0), GetRenderSurface(render_surface2)->clip_rect()); EXPECT_FALSE(GetRenderSurface(render_surface2)->is_clipped()); // This value is inherited from the clipping ancestor layer, 'intervening'. EXPECT_EQ(gfx::Rect(0, 0, 5, 5), render_surface2->clip_rect()); EXPECT_TRUE(render_surface2->is_clipped()); // The clip child should have inherited the clip parent's clip (projected to // the right space, of course), but as render_surface1 already applies that // clip, clip_child need not apply it again. EXPECT_EQ(gfx::Rect(), clip_child->clip_rect()); EXPECT_EQ(gfx::Rect(9, 9, 40, 40), clip_child->visible_layer_rect()); EXPECT_FALSE(clip_child->is_clipped()); // The content rects of render_surface2 should have expanded to contain the // clip child, but only the visible part of the clip child. EXPECT_EQ(gfx::Rect(0, 0, 40, 40), GetRenderSurface(render_surface1)->content_rect()); EXPECT_EQ(clip_child->visible_drawable_content_rect(), GetRenderSurface(render_surface2)->content_rect()); } TEST_F(DrawPropertiesTest, ClipParentScrolledInterveningLayer) { // Ensure that intervening render surfaces are not a problem, even if there // is a scroll involved. Note, we do _not_ have to consider any other sort // of transform. // // Virtual layer tree: // root (a render surface) // + clip_parent (clips and transforms) // + render_surface1 (has render surface) // + intervening (clips AND scrolls) // + render_surface2 (also has render surface) // + clip_child (clipped by clip_parent) // LayerImpl* root = root_layer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* render_surface1 = AddLayer(); LayerImpl* intervening = AddLayer(); LayerImpl* render_surface2 = AddLayer(); LayerImpl* clip_child = AddLayer(); root->SetBounds(gfx::Size(50, 50)); clip_parent->SetBounds(gfx::Size(40, 40)); CopyProperties(root, clip_parent); auto& clip_parent_transform = CreateTransformNode(clip_parent); clip_parent_transform.local.Translate(2, 2); clip_parent_transform.post_translation = gfx::Vector2dF(1, 1); CreateClipNode(clip_parent); render_surface1->SetDrawsContent(true); render_surface1->SetBounds(gfx::Size(10, 10)); CopyProperties(clip_parent, render_surface1); CreateEffectNode(render_surface1).render_surface_reason = RenderSurfaceReason::kTest; intervening->SetBounds(gfx::Size(5, 5)); intervening->SetElementId(LayerIdToElementIdForTesting(intervening->id())); CopyProperties(render_surface1, intervening); CreateTransformNode(intervening).post_translation = gfx::Vector2dF(1, 1); CreateScrollNode(intervening, gfx::Size(1, 1)); CreateClipNode(intervening); render_surface2->SetDrawsContent(true); render_surface2->SetBounds(gfx::Size(10, 10)); CopyProperties(intervening, render_surface2); CreateTransformNode(render_surface2); CreateEffectNode(render_surface2).render_surface_reason = RenderSurfaceReason::kTest; clip_child->SetBounds(gfx::Size(60, 60)); clip_child->SetDrawsContent(true); clip_child->SetOffsetToTransformParent(gfx::Vector2dF(-10, -10)); CopyProperties(render_surface2, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); SetScrollOffset(intervening, gfx::ScrollOffset(3, 3)); UpdateActiveTreeDrawProperties(); EXPECT_TRUE(GetRenderSurface(root)); EXPECT_TRUE(GetRenderSurface(render_surface1)); EXPECT_TRUE(GetRenderSurface(render_surface2)); // render_surface1 should apply the clip from clip_parent. Though there is a // clip child, render_surface1 can apply the clip as there are no clips // between the clip parent and render_surface1 EXPECT_EQ(gfx::Rect(3, 3, 40, 40), GetRenderSurface(render_surface1)->clip_rect()); EXPECT_TRUE(GetRenderSurface(render_surface1)->is_clipped()); EXPECT_EQ(gfx::Rect(), render_surface1->clip_rect()); EXPECT_FALSE(render_surface1->is_clipped()); // render_surface2 could have expanded, as there is a clip between // clip_child's clip (clip_parent) and render_surface2's clip (intervening). // So, it should not be clipped (their bounds would no longer be reliable). // We should resort to layer clipping in this case. EXPECT_EQ(gfx::Rect(0, 0, 0, 0), GetRenderSurface(render_surface2)->clip_rect()); EXPECT_FALSE(GetRenderSurface(render_surface2)->is_clipped()); // This value is inherited from the clipping ancestor layer, 'intervening'. EXPECT_EQ(gfx::Rect(0, 0, 5, 5), render_surface2->clip_rect()); EXPECT_TRUE(render_surface2->is_clipped()); // The clip child should have inherited the clip parent's clip (projected to // the right space, of course), but as render_surface1 already applies that // clip, clip_child need not apply it again. EXPECT_EQ(gfx::Rect(), clip_child->clip_rect()); EXPECT_EQ(gfx::Rect(12, 12, 40, 40), clip_child->visible_layer_rect()); EXPECT_FALSE(clip_child->is_clipped()); // The content rects of render_surface2 should have expanded to contain the // clip child, but only the visible part of the clip child. EXPECT_EQ(gfx::Rect(0, 0, 40, 40), GetRenderSurface(render_surface1)->content_rect()); EXPECT_EQ(clip_child->visible_drawable_content_rect(), GetRenderSurface(render_surface2)->content_rect()); } TEST_F(DrawPropertiesTest, DescendantsOfClipChildren) { // Ensures that descendants of the clip child inherit the correct clip. // // Virtual layer tree: // root (a render surface) // + clip_parent (clips) // + intervening (clips) // + clip_child (clipped by clip_parent, skipping intervening) // + child // LayerImpl* root = root_layer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* intervening = AddLayer(); LayerImpl* clip_child = AddLayer(); LayerImpl* child = AddLayer(); root->SetBounds(gfx::Size(50, 50)); clip_parent->SetBounds(gfx::Size(40, 40)); CopyProperties(root, clip_parent); CreateClipNode(clip_parent); intervening->SetBounds(gfx::Size(5, 5)); CopyProperties(clip_parent, intervening); CreateClipNode(intervening); clip_child->SetDrawsContent(true); clip_child->SetBounds(gfx::Size(60, 60)); CopyProperties(intervening, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); child->SetDrawsContent(true); child->SetBounds(gfx::Size(60, 60)); CopyProperties(clip_child, child); UpdateActiveTreeDrawProperties(); EXPECT_TRUE(GetRenderSurface(root)); // Neither the clip child nor its descendant should have inherited the clip // from |intervening|. EXPECT_EQ(gfx::Rect(0, 0, 40, 40), clip_child->clip_rect()); EXPECT_TRUE(clip_child->is_clipped()); EXPECT_EQ(gfx::Rect(0, 0, 40, 40), child->visible_layer_rect()); EXPECT_TRUE(child->is_clipped()); } TEST_F(DrawPropertiesTest, SurfacesShouldBeUnaffectedByNonDescendantClipChildren) { // Ensures that non-descendant clip children in the tree do not affect // render surfaces. // // root (a render surface) // + clip_parent (clips) // + clip_layer (clips) // + render_surface1 // + clip_child (clipped by clip_parent) // + render_surface2 // + non_clip_child (in normal clip hierarchy) // // In this example render_surface2 should be unaffected by clip_child. LayerImpl* root = root_layer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* clip_layer = AddLayer(); LayerImpl* render_surface1 = AddLayer(); LayerImpl* clip_child = AddLayer(); LayerImpl* render_surface2 = AddLayer(); LayerImpl* non_clip_child = AddLayer(); root->SetBounds(gfx::Size(15, 15)); clip_parent->SetBounds(gfx::Size(10, 10)); clip_layer->SetBounds(gfx::Size(10, 10)); render_surface1->SetDrawsContent(true); render_surface1->SetBounds(gfx::Size(5, 5)); render_surface2->SetDrawsContent(true); render_surface2->SetBounds(gfx::Size(5, 5)); clip_child->SetDrawsContent(true); clip_child->SetOffsetToTransformParent(gfx::Vector2dF(-1, 1)); clip_child->SetBounds(gfx::Size(10, 10)); non_clip_child->SetDrawsContent(true); non_clip_child->SetBounds(gfx::Size(5, 5)); CopyProperties(root, clip_parent); CreateClipNode(clip_parent); CopyProperties(clip_parent, clip_layer); CreateClipNode(clip_layer); CopyProperties(clip_layer, render_surface1); CreateTransformNode(render_surface1).post_translation = gfx::Vector2dF(5, 5); CreateEffectNode(render_surface1).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(clip_layer, render_surface2); CreateTransformNode(render_surface2).post_translation = gfx::Vector2dF(5, 5); CreateEffectNode(render_surface2).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface1, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); CopyProperties(render_surface2, non_clip_child); UpdateActiveTreeDrawProperties(); EXPECT_TRUE(GetRenderSurface(root)); EXPECT_TRUE(GetRenderSurface(render_surface1)); EXPECT_TRUE(GetRenderSurface(render_surface2)); EXPECT_EQ(gfx::Rect(-5, -5, 10, 10), render_surface1->clip_rect()); EXPECT_TRUE(render_surface1->is_clipped()); // The render surface should not clip (it has unclipped descendants), instead // it should rely on layer clipping. EXPECT_EQ(gfx::Rect(0, 0, 0, 0), GetRenderSurface(render_surface1)->clip_rect()); EXPECT_FALSE(GetRenderSurface(render_surface1)->is_clipped()); // That said, it should have grown to accomodate the unclipped descendant and // its own size. EXPECT_EQ(gfx::Rect(-1, 0, 6, 5), GetRenderSurface(render_surface1)->content_rect()); // This render surface should clip. It has no unclipped descendants. EXPECT_EQ(gfx::Rect(0, 0, 10, 10), GetRenderSurface(render_surface2)->clip_rect()); EXPECT_TRUE(GetRenderSurface(render_surface2)->is_clipped()); EXPECT_FALSE(render_surface2->is_clipped()); // It also shouldn't have grown to accomodate the clip child. EXPECT_EQ(gfx::Rect(0, 0, 5, 5), GetRenderSurface(render_surface2)->content_rect()); } TEST_F(DrawPropertiesTest, TransformAnimationUpdatesBackfaceVisibility) { LayerImpl* root = root_layer(); root->SetDrawsContent(true); LayerImpl* back_facing = AddLayer(); back_facing->SetDrawsContent(true); LayerImpl* render_surface1 = AddLayer(); render_surface1->SetDrawsContent(true); LayerImpl* render_surface2 = AddLayer(); render_surface2->SetDrawsContent(true); gfx::Transform rotate_about_y; rotate_about_y.RotateAboutYAxis(180.0); root->SetBounds(gfx::Size(50, 50)); back_facing->SetBounds(gfx::Size(50, 50)); render_surface1->SetBounds(gfx::Size(30, 30)); render_surface2->SetBounds(gfx::Size(30, 30)); SetElementIdsForTesting(); CopyProperties(root, back_facing); auto& back_facing_transform_node = CreateTransformNode(back_facing); back_facing_transform_node.flattens_inherited_transform = false; back_facing_transform_node.sorting_context_id = 1; back_facing_transform_node.local = rotate_about_y; CopyProperties(back_facing, render_surface1); auto& render_surface1_transform_node = CreateTransformNode(render_surface1); render_surface1_transform_node.flattens_inherited_transform = false; render_surface1_transform_node.sorting_context_id = 1; auto& render_surface1_effect_node = CreateEffectNode(render_surface1); render_surface1_effect_node.render_surface_reason = RenderSurfaceReason::kTest; render_surface1_effect_node.double_sided = false; CopyProperties(back_facing, render_surface2); auto& render_surface2_transform_node = CreateTransformNode(render_surface2); render_surface2_transform_node.flattens_inherited_transform = false; render_surface2_transform_node.sorting_context_id = 1; auto& render_surface2_effect_node = CreateEffectNode(render_surface2); render_surface2_effect_node.render_surface_reason = RenderSurfaceReason::kTest; render_surface2_effect_node.double_sided = false; UpdateActiveTreeDrawProperties(); EXPECT_TRUE(GetEffectNode(render_surface1)->hidden_by_backface_visibility); EXPECT_EQ(gfx::Rect(), render_surface1->visible_layer_rect()); EXPECT_TRUE(GetEffectNode(render_surface2)->hidden_by_backface_visibility); EXPECT_EQ(gfx::Rect(), render_surface2->visible_layer_rect()); EXPECT_EQ(1u, GetRenderSurfaceList().size()); root->layer_tree_impl()->SetTransformMutated(back_facing->element_id(), gfx::Transform()); root->layer_tree_impl()->SetTransformMutated(render_surface2->element_id(), rotate_about_y); UpdateActiveTreeDrawProperties(); EXPECT_FALSE(GetEffectNode(render_surface1)->hidden_by_backface_visibility); EXPECT_EQ(gfx::Rect(0, 0, 30, 30), render_surface1->visible_layer_rect()); EXPECT_TRUE(GetEffectNode(render_surface2)->hidden_by_backface_visibility); EXPECT_EQ(gfx::Rect(), render_surface2->visible_layer_rect()); EXPECT_EQ(2u, GetRenderSurfaceList().size()); root->layer_tree_impl()->SetTransformMutated(render_surface1->element_id(), rotate_about_y); UpdateActiveTreeDrawProperties(); EXPECT_TRUE(GetEffectNode(render_surface1)->hidden_by_backface_visibility); // Draw properties are only updated for visible layers, so this remains the // cached value from last time. The expectation is commented out because // this result is not required. // EXPECT_EQ(gfx::Rect(0, 0, 30, 30), render_surface1->visible_layer_rect()); EXPECT_TRUE(GetEffectNode(render_surface2)->hidden_by_backface_visibility); EXPECT_EQ(gfx::Rect(), render_surface2->visible_layer_rect()); EXPECT_EQ(1u, GetRenderSurfaceList().size()); } TEST_F(DrawPropertiesTest, ScrollChildAndScrollParentDifferentTargets) { // Tests the computation of draw transform for the scroll child when its // render surface is different from its scroll parent's render surface. LayerImpl* root = root_layer(); LayerImpl* scroll_child_target = AddLayer(); LayerImpl* scroll_child = AddLayer(); LayerImpl* scroll_parent_target = AddLayer(); LayerImpl* scroll_parent = AddLayer(); root->SetBounds(gfx::Size(50, 50)); scroll_child_target->SetBounds(gfx::Size(50, 50)); scroll_parent_target->SetBounds(gfx::Size(50, 50)); scroll_parent->SetBounds(gfx::Size(50, 50)); scroll_parent->SetDrawsContent(true); scroll_child->SetBounds(gfx::Size(50, 50)); scroll_child->SetDrawsContent(true); CopyProperties(root, scroll_child_target); auto& child_target_effect_node = CreateEffectNode(scroll_child_target); child_target_effect_node.render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(scroll_child_target, scroll_parent_target); CreateTransformNode(scroll_parent_target).post_translation = gfx::Vector2dF(10, 10); CreateScrollNode(scroll_parent_target, gfx::Size()); CreateEffectNode(scroll_parent_target).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(scroll_parent_target); CopyProperties(scroll_parent_target, scroll_parent); // Let |scroll_child| inherit |scroll_parent|'s transform/clip/scroll states, CopyProperties(scroll_parent, scroll_child); // and |scroll_child_target|'s effect state. scroll_child->SetEffectTreeIndex(scroll_child_target->effect_tree_index()); scroll_child->SetOffsetToTransformParent(gfx::Vector2dF(-10, -10)); float device_scale_factor = 1.5f; UpdateActiveTreeDrawProperties(device_scale_factor); EXPECT_EQ(scroll_child->effect_tree_index(), scroll_child_target->effect_tree_index()); EXPECT_EQ(scroll_child->visible_layer_rect(), gfx::Rect(10, 10, 40, 40)); EXPECT_EQ(scroll_child->clip_rect(), gfx::Rect(15, 15, 75, 75)); gfx::Transform scale; scale.Scale(device_scale_factor, device_scale_factor); EXPECT_TRANSFORMATION_MATRIX_EQ(scroll_child->DrawTransform(), scale); } TEST_F(DrawPropertiesTest, SingularTransformSubtreesDoNotDraw) { LayerImpl* root = root_layer(); LayerImpl* parent = AddLayer(); LayerImpl* child = AddLayer(); root->SetBounds(gfx::Size(50, 50)); root->SetDrawsContent(true); parent->SetBounds(gfx::Size(30, 30)); parent->SetDrawsContent(true); child->SetBounds(gfx::Size(20, 20)); child->SetDrawsContent(true); CopyProperties(root, parent); CreateTransformNode(parent).sorting_context_id = 1; CreateEffectNode(parent).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(parent, child); CreateTransformNode(child).sorting_context_id = 1; CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest; UpdateActiveTreeDrawProperties(); EXPECT_EQ(3u, GetRenderSurfaceList().size()); gfx::Transform singular_transform; singular_transform.Scale3d(SkDoubleToScalar(1.0), SkDoubleToScalar(1.0), SkDoubleToScalar(0.0)); SetTransform(child, singular_transform); UpdateActiveTreeDrawProperties(); EXPECT_EQ(2u, GetRenderSurfaceList().size()); // Ensure that the entire subtree under a layer with singular transform does // not get rendered. SetTransform(parent, singular_transform); SetTransform(child, gfx::Transform()); UpdateActiveTreeDrawProperties(); EXPECT_EQ(1u, GetRenderSurfaceList().size()); } TEST_F(DrawPropertiesTest, ScrollSnapping) { // This test verifies that a scrolling layer gets scroll offset snapped to // integer coordinates. // // Virtual layer hierarchy: // + root // + container // + scroller // LayerImpl* root = root_layer(); LayerImpl* container = AddLayer(); LayerImpl* scroller = AddLayer(); root->SetBounds(gfx::Size(50, 50)); container->SetBounds(gfx::Size(40, 40)); container->SetDrawsContent(true); CopyProperties(root, container); gfx::Vector2dF container_offset(10, 20); scroller->SetElementId(LayerIdToElementIdForTesting(scroller->id())); scroller->SetBounds(gfx::Size(30, 30)); scroller->SetDrawsContent(true); CopyProperties(container, scroller); CreateTransformNode(scroller).post_translation = container_offset; CreateScrollNode(scroller, container->bounds()); // Rounded to integers already. { gfx::Vector2dF scroll_delta(3.0, 5.0); SetScrollOffsetDelta(scroller, scroll_delta); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR_EQ( scroller->draw_properties().screen_space_transform.To2dTranslation(), container_offset - scroll_delta); } // Scroll delta requiring rounding. { gfx::Vector2dF scroll_delta(4.1f, 8.1f); SetScrollOffsetDelta(scroller, scroll_delta); UpdateActiveTreeDrawProperties(); gfx::Vector2dF rounded_scroll_delta(4.f, 8.f); EXPECT_VECTOR_EQ( scroller->draw_properties().screen_space_transform.To2dTranslation(), container_offset - rounded_scroll_delta); } } TEST_F(DrawPropertiesTest, ScrollSnappingWithAnimatedScreenSpaceTransform) { // This test verifies that a scrolling layer whose screen space transform is // animating doesn't get snapped to integer coordinates. // // Virtual layer hierarchy: // + root // + animated layer // + surface // + container // + scroller // LayerImpl* root = root_layer(); LayerImpl* animated_layer = AddLayer(); LayerImpl* surface = AddLayer(); LayerImpl* container = AddLayer(); LayerImpl* scroller = AddLayer(); SetElementIdsForTesting(); root->SetBounds(gfx::Size(50, 50)); gfx::Transform start_scale; start_scale.Scale(1.5f, 1.5f); animated_layer->SetBounds(gfx::Size(50, 50)); CopyProperties(root, animated_layer); CreateTransformNode(animated_layer).local = start_scale; surface->SetBounds(gfx::Size(50, 50)); CopyProperties(animated_layer, surface); CreateEffectNode(surface).render_surface_reason = RenderSurfaceReason::kTest; container->SetBounds(gfx::Size(50, 50)); CopyProperties(surface, container); scroller->SetBounds(gfx::Size(100, 100)); scroller->SetDrawsContent(true); CopyProperties(container, scroller); CreateTransformNode(scroller); CreateScrollNode(scroller, container->bounds()); gfx::Transform end_scale; end_scale.Scale(2.f, 2.f); TransformOperations start_operations; start_operations.AppendMatrix(start_scale); TransformOperations end_operations; end_operations.AppendMatrix(end_scale); AddAnimatedTransformToElementWithAnimation(animated_layer->element_id(), timeline_impl(), 1.0, start_operations, end_operations); gfx::Vector2dF scroll_delta(5.f, 9.f); SetScrollOffsetDelta(scroller, scroll_delta); UpdateActiveTreeDrawProperties(); gfx::Vector2dF expected_draw_transform_translation(-7.5f, -13.5f); EXPECT_VECTOR2DF_EQ(expected_draw_transform_translation, scroller->DrawTransform().To2dTranslation()); } TEST_F(DrawPropertiesTest, ScrollSnappingWithScrollChild) { // This test verifies that a scrolling child of a scrolling layer doesn't get // snapped to integer coordinates. // // Virtual layer hierarchy: // + root // + container // + scroller // + scroll_child (transform parent is scroller) // LayerImpl* root = root_layer(); LayerImpl* container = AddLayer(); LayerImpl* scroller = AddLayer(); LayerImpl* scroll_child = AddLayer(); SetElementIdsForTesting(); root->SetBounds(gfx::Size(50, 50)); container->SetBounds(gfx::Size(50, 50)); CopyProperties(root, container); gfx::Vector2dF container_offset(10.3f, 10.3f); scroller->SetBounds(gfx::Size(100, 100)); CopyProperties(container, scroller); CreateTransformNode(scroller).post_translation = container_offset; CreateScrollNode(scroller, container->bounds()); scroll_child->SetBounds(gfx::Size(10, 10)); CopyProperties(root, scroll_child); auto& scroll_child_transform = CreateTransformNode(scroll_child, scroller->transform_tree_index()); scroll_child_transform.local.RotateAboutYAxis(30); scroll_child_transform.post_translation = -container_offset; gfx::Vector2dF scroll_delta(5.f, 9.f); SetScrollOffsetDelta(scroller, scroll_delta); UpdateActiveTreeDrawProperties(); gfx::Vector2dF expected_scroller_screen_space_transform_translation(5.f, 1.f); EXPECT_VECTOR2DF_EQ(expected_scroller_screen_space_transform_translation, scroller->ScreenSpaceTransform().To2dTranslation()); gfx::Transform expected_scroll_child_screen_space_transform; expected_scroll_child_screen_space_transform.Translate(-5.3f, -9.3f); expected_scroll_child_screen_space_transform.RotateAboutYAxis(30); EXPECT_TRANSFORMATION_MATRIX_EQ(expected_scroll_child_screen_space_transform, scroll_child->ScreenSpaceTransform()); } class DrawPropertiesStickyPositionTest : public DrawPropertiesTest { protected: // Setup layers and property trees. // Virtual layer hierarchy: // + root // + container // + scroller // + sticky_pos void CreateTree() { CreateRootAndScroller(); sticky_pos_ = CreateSticky(scroller_.get()); } void CreateRootAndScroller() { root_ = Layer::Create(); container_ = Layer::Create(); scroller_ = Layer::Create(); scroller_->SetElementId(LayerIdToElementIdForTesting(scroller_->id())); root_->SetBounds(gfx::Size(100, 100)); host()->SetRootLayer(root_); SetupRootProperties(root_.get()); container_->SetBounds(gfx::Size(100, 100)); CopyProperties(root_.get(), container_.get()); root_->AddChild(container_); scroller_->SetBounds(gfx::Size(1000, 1000)); CopyProperties(container_.get(), scroller_.get()); CreateTransformNode(scroller_.get()); CreateScrollNode(scroller_.get(), container_->bounds()); root_->AddChild(scroller_); } scoped_refptr CreateSticky(Layer* parent) { scoped_refptr sticky = Layer::Create(); sticky->SetBounds(gfx::Size(10, 10)); CopyProperties(parent, sticky.get()); CreateTransformNode(sticky.get()); EnsureStickyData(sticky.get()).scroll_ancestor = parent->scroll_tree_index(); root_->AddChild(sticky); return sticky; } void CommitAndUpdateImplPointers() { UpdateMainDrawProperties(); host_impl()->CreatePendingTree(); host()->CommitAndCreatePendingTree(); host_impl()->ActivateSyncTree(); LayerTreeImpl* layer_tree_impl = host_impl()->active_tree(); root_impl_ = layer_tree_impl->LayerById(root_->id()); scroller_impl_ = layer_tree_impl->LayerById(scroller_->id()); sticky_pos_impl_ = layer_tree_impl->LayerById(sticky_pos_->id()); } StickyPositionNodeData& EnsureStickyData(Layer* layer) { return GetPropertyTrees(layer)->transform_tree.EnsureStickyPositionData( layer->transform_tree_index()); } scoped_refptr root_; scoped_refptr container_; scoped_refptr scroller_; scoped_refptr sticky_pos_; LayerImpl* root_impl_; LayerImpl* scroller_impl_; LayerImpl* sticky_pos_impl_; }; TEST_F(DrawPropertiesStickyPositionTest, StickyPositionTop) { CreateTree(); SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(10, 20)); auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints; sticky_position.is_anchored_top = true; sticky_position.top_offset = 10.0f; sticky_position.scroll_container_relative_sticky_box_rect = gfx::RectF(10, 20, 10, 10); sticky_position.scroll_container_relative_containing_block_rect = gfx::RectF(0, 0, 50, 50); CommitAndUpdateImplPointers(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(10.f, 20.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll less than sticking point, sticky element should move with scroll as // we haven't gotten to the initial sticky item location yet. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(5.f, 5.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(5.f, 15.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll past the sticking point, the Y coordinate should now be clamped. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(15.f, 15.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(-5.f, 10.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(15.f, 25.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(-5.f, 10.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll past the end of the sticky container (note: this element does not // have its own layer as it does not need to be composited). SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(15.f, 50.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(-5.f, -10.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); } TEST_F(DrawPropertiesStickyPositionTest, StickyPositionTopRounded) { CreateTree(); SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(10, 20)); auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints; sticky_position.is_anchored_top = true; sticky_position.top_offset = 10.5f; sticky_position.scroll_container_relative_sticky_box_rect = gfx::RectF(10, 20, 10, 10); sticky_position.scroll_container_relative_containing_block_rect = gfx::RectF(0, 0, 50, 50); CommitAndUpdateImplPointers(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(10.f, 20.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll less than sticking point, sticky element should move with scroll as // we haven't gotten to the initial sticky item location yet. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(5.f, 5.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(5.f, 15.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll past the sticking point, the Y coordinate should now be clamped. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(15.f, 15.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(-5.f, 11.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(15.f, 25.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(-5.f, 11.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll past the end of the sticky container (note: this element does not // have its own layer as it does not need to be composited). SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(15.f, 50.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(-5.f, -10.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); } TEST_F(DrawPropertiesStickyPositionTest, StickyPositionSubpixelScroll) { CreateTree(); SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(0, 200)); auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints; sticky_position.is_anchored_bottom = true; sticky_position.bottom_offset = 10.0f; sticky_position.constraint_box_rect = gfx::RectF(0, 0, 100, 100); sticky_position.scroll_container_relative_sticky_box_rect = gfx::RectF(0, 200, 10, 10); sticky_position.scroll_container_relative_containing_block_rect = gfx::RectF(0, 0, 100, 500); CommitAndUpdateImplPointers(); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 0.8f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 80.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); } TEST_F(DrawPropertiesStickyPositionTest, StickyPositionBottom) { CreateTree(); SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(0, 150)); auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints; sticky_position.is_anchored_bottom = true; sticky_position.bottom_offset = 10.0f; sticky_position.constraint_box_rect = gfx::RectF(0, 0, 100, 100); sticky_position.scroll_container_relative_sticky_box_rect = gfx::RectF(0, 150, 10, 10); sticky_position.scroll_container_relative_containing_block_rect = gfx::RectF(0, 100, 50, 50); CommitAndUpdateImplPointers(); // Initially the sticky element is moved up to the top of the container. EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 100.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 5.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 95.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Once we get past the top of the container it moves to be aligned 10px // up from the the bottom of the scroller. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 25.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 80.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 30.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 80.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Once we scroll past its initial location, it sticks there. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 150.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 0.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); } TEST_F(DrawPropertiesStickyPositionTest, StickyPositionBottomRounded) { CreateTree(); SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(0, 150)); auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints; sticky_position.is_anchored_bottom = true; sticky_position.bottom_offset = 10.5f; sticky_position.constraint_box_rect = gfx::RectF(0, 0, 100, 100); sticky_position.scroll_container_relative_sticky_box_rect = gfx::RectF(0, 150, 10, 10); sticky_position.scroll_container_relative_containing_block_rect = gfx::RectF(0, 100, 50, 50); CommitAndUpdateImplPointers(); // Initially the sticky element is moved up to the top of the container. EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 100.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 5.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 95.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Once we get past the top of the container it moves to be aligned 10px // up from the the bottom of the scroller. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 25.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 79.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 30.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 79.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); } TEST_F(DrawPropertiesStickyPositionTest, StickyPositionBottomOuterViewportDelta) { CreateTree(); GetScrollNode(scroller_.get())->scrolls_outer_viewport = true; SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(0, 70)); GetPropertyTrees(sticky_pos_.get()) ->transform_tree.AddNodeAffectedByOuterViewportBoundsDelta( sticky_pos_->transform_tree_index()); auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints; sticky_position.is_anchored_bottom = true; sticky_position.bottom_offset = 10.0f; sticky_position.constraint_box_rect = gfx::RectF(0, 0, 100, 100); sticky_position.scroll_container_relative_sticky_box_rect = gfx::RectF(0, 70, 10, 10); sticky_position.scroll_container_relative_containing_block_rect = gfx::RectF(0, 60, 100, 100); CommitAndUpdateImplPointers(); // Initially the sticky element is moved to the bottom of the container. EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 70.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // We start to hide the toolbar, but not far enough that the sticky element // should be moved up yet. GetPropertyTrees(scroller_impl_) ->SetOuterViewportContainerBoundsDelta(gfx::Vector2dF(0.f, -10.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 70.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // On hiding more of the toolbar the sticky element starts to stick. GetPropertyTrees(scroller_impl_) ->SetOuterViewportContainerBoundsDelta(gfx::Vector2dF(0.f, -20.f)); UpdateActiveTreeDrawProperties(); // On hiding more the sticky element stops moving as it has reached its // limit. EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 60.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); GetPropertyTrees(scroller_impl_) ->SetOuterViewportContainerBoundsDelta(gfx::Vector2dF(0.f, -30.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 60.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); } TEST_F(DrawPropertiesStickyPositionTest, StickyPositionLeftRight) { CreateTree(); SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(145, 0)); auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints; sticky_position.is_anchored_left = true; sticky_position.is_anchored_right = true; sticky_position.left_offset = 10.0f; sticky_position.right_offset = 10.0f; sticky_position.constraint_box_rect = gfx::RectF(0, 0, 100, 100); sticky_position.scroll_container_relative_sticky_box_rect = gfx::RectF(145, 0, 10, 10); sticky_position.scroll_container_relative_containing_block_rect = gfx::RectF(100, 0, 100, 100); CommitAndUpdateImplPointers(); // Initially the sticky element is moved the leftmost side of the container. UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(100.f, 0.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(5.f, 0.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(95.f, 0.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Once we get past the left side of the container it moves to be aligned 10px // up from the the right of the scroller. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(25.f, 0.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(80.f, 0.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(30.f, 0.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(80.f, 0.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // When we get to the sticky element's original position we stop sticking // to the right. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(95.f, 0.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(50.f, 0.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(105.f, 0.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(40.f, 0.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // The element starts sticking to the left once we scroll far enough. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(150.f, 0.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(10.f, 0.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(155.f, 0.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(10.f, 0.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Finally it stops sticking when it hits the right side of the container. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(190.f, 0.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 0.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(195.f, 0.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(-5.f, 0.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); } // This test ensures that the compositor sticky position code correctly accounts // for the element having been given a position from the main thread sticky // position code. TEST_F(DrawPropertiesStickyPositionTest, StickyPositionMainThreadUpdates) { CreateTree(); SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(10, 20)); auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints; sticky_position.is_anchored_top = true; sticky_position.top_offset = 10.0f; sticky_position.scroll_container_relative_sticky_box_rect = gfx::RectF(10, 20, 10, 10); sticky_position.scroll_container_relative_containing_block_rect = gfx::RectF(0, 0, 50, 50); CommitAndUpdateImplPointers(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(10.f, 20.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll less than sticking point, sticky element should move with scroll as // we haven't gotten to the initial sticky item location yet. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(5.f, 5.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(5.f, 15.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll past the sticking point, the Y coordinate should now be clamped. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(15.f, 15.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(-5.f, 10.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Now the main thread commits the new position of the sticky element. SetScrollOffset(scroller_.get(), gfx::ScrollOffset(15, 15)); // Shift the layer by -offset_for_position_sticky. SetPostTranslation(sticky_pos_.get(), gfx::PointF(10, 25) - gfx::PointF(0, 5)); GetPropertyTrees(scroller_.get())->transform_tree.set_needs_update(true); CommitAndUpdateImplPointers(); // The element should still be where it was before. We reset the delta to // (0, 0) because we have synced a scroll offset of (15, 15) from the main // thread. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 0.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(-5.f, 10.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // And if we scroll a little further it remains there. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 10.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(-5.f, 10.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); } // This tests the main thread updates with a composited sticky container. In // this case the position received from main is relative to the container but // the constraint rects are relative to the ancestor scroller. TEST_F(DrawPropertiesStickyPositionTest, StickyPositionCompositedContainer) { CreateRootAndScroller(); scoped_refptr sticky_container = Layer::Create(); sticky_container->SetBounds(gfx::Size(30, 30)); sticky_container->SetOffsetToTransformParent(gfx::Vector2dF(20, 20)); CopyProperties(scroller_.get(), sticky_container.get()); root_->AddChild(sticky_container); sticky_pos_ = CreateSticky(sticky_container.get()); SetPostTranslation( sticky_pos_.get(), gfx::Vector2dF(0, 10) + sticky_container->offset_to_transform_parent()); auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints; sticky_position.is_anchored_top = true; sticky_position.top_offset = 10.0f; sticky_position.scroll_container_relative_sticky_box_rect = gfx::RectF(20, 30, 10, 10); sticky_position.scroll_container_relative_containing_block_rect = gfx::RectF(20, 20, 30, 30); CommitAndUpdateImplPointers(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(20.f, 30.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll less than sticking point, sticky element should move with scroll as // we haven't gotten to the initial sticky item location yet. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 5.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(20.f, 25.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll past the sticking point, the Y coordinate should now be clamped. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 25.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(20.f, 10.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Now the main thread commits the new position of the sticky element. SetScrollOffset(scroller_.get(), gfx::ScrollOffset(0, 25)); // Shift the layer by -offset_for_position_sticky. SetPostTranslation(sticky_pos_.get(), gfx::PointF(0, 15) - gfx::PointF(0, 5) + sticky_container->offset_to_transform_parent()); CommitAndUpdateImplPointers(); // The element should still be where it was before. We reset the delta to // (0, 0) because we have synced a scroll offset of (0, 25) from the main // thread. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 0.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(20.f, 10.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // And if we scroll a little further it remains there. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 5.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(20.f, 10.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // And hits the bottom of the container. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 10.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(20.f, 5.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); } // A transform on a sticky element should not affect its sticky position. TEST_F(DrawPropertiesStickyPositionTest, StickyPositionScaledStickyBox) { CreateTree(); SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(0, 20)); gfx::Transform scale; scale.Scale(2, 2); SetTransform(sticky_pos_.get(), scale); auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints; sticky_position.is_anchored_top = true; sticky_position.top_offset = 0.0f; sticky_position.scroll_container_relative_sticky_box_rect = gfx::RectF(0, 20, 10, 10); sticky_position.scroll_container_relative_containing_block_rect = gfx::RectF(0, 0, 50, 50); CommitAndUpdateImplPointers(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 20.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll less than sticking point, sticky element should move with scroll as // we haven't gotten to the initial sticky item location yet. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 15.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 5.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll past the sticking point, the box is positioned at the scroller // edge. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 25.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 0.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 30.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 0.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll past the end of the sticky container. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 50.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, -10.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); } // Tests that a transform does not affect the sticking points. The sticky // element will however move relative to the viewport due to its transform. TEST_F(DrawPropertiesStickyPositionTest, StickyPositionScaledContainer) { CreateRootAndScroller(); scoped_refptr sticky_container = Layer::Create(); sticky_container->SetBounds(gfx::Size(50, 50)); CopyProperties(scroller_.get(), sticky_container.get()); CreateTransformNode(sticky_container.get()).local.Scale(2, 2); root_->AddChild(sticky_container); sticky_pos_ = CreateSticky(sticky_container.get()); SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(0, 20)); auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints; sticky_position.is_anchored_top = true; sticky_position.top_offset = 0.0f; sticky_position.scroll_container_relative_sticky_box_rect = gfx::RectF(0, 20, 10, 10); sticky_position.scroll_container_relative_containing_block_rect = gfx::RectF(0, 0, 50, 50); CommitAndUpdateImplPointers(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 40.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll less than sticking point, sticky element should move with scroll as // we haven't gotten to the initial sticky item location yet. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 15.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 25.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll past the sticking point, the box is positioned at the scroller // edge but is also scaled by its container so it begins to move down. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 25.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 25.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 30.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 30.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); // Scroll past the end of the sticky container. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 50.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 30.f), sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation()); } TEST_F(DrawPropertiesStickyPositionTest, StickyPositionNested) { CreateTree(); SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(0, 50)); auto& outer_sticky_pos = EnsureStickyData(sticky_pos_.get()).constraints; outer_sticky_pos.is_anchored_top = true; outer_sticky_pos.top_offset = 10.0f; outer_sticky_pos.scroll_container_relative_sticky_box_rect = gfx::RectF(0, 50, 10, 50); outer_sticky_pos.scroll_container_relative_containing_block_rect = gfx::RectF(0, 0, 50, 400); scoped_refptr inner_sticky = CreateSticky(sticky_pos_.get()); auto& inner_sticky_pos = EnsureStickyData(inner_sticky.get()).constraints; inner_sticky_pos.is_anchored_top = true; inner_sticky_pos.top_offset = 25.0f; inner_sticky_pos.scroll_container_relative_sticky_box_rect = gfx::RectF(0, 50, 10, 10); inner_sticky_pos.scroll_container_relative_containing_block_rect = gfx::RectF(0, 50, 10, 50); EnsureStickyData(inner_sticky.get()).nearest_node_shifting_containing_block = sticky_pos_->transform_tree_index(); CommitAndUpdateImplPointers(); LayerTreeImpl* layer_tree_impl = host()->host_impl()->active_tree(); LayerImpl* outer_sticky_impl = sticky_pos_impl_; LayerImpl* inner_sticky_impl = layer_tree_impl->LayerById(inner_sticky->id()); // Before any scrolling is done, the sticky elements should still be at their // original positions. EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 50.f), outer_sticky_impl->ScreenSpaceTransform().To2dTranslation()); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 50.f), inner_sticky_impl->ScreenSpaceTransform().To2dTranslation()); // Scroll less than the sticking point. Both sticky elements should move with // scroll as we haven't gotten to the sticky item locations yet. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 5.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 45.f), outer_sticky_impl->ScreenSpaceTransform().To2dTranslation()); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 45.f), inner_sticky_impl->ScreenSpaceTransform().To2dTranslation()); // Scroll such that the inner sticky should stick, but the outer one should // keep going as it hasn't reached its position yet. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 30.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 20.f), outer_sticky_impl->ScreenSpaceTransform().To2dTranslation()); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 25.f), inner_sticky_impl->ScreenSpaceTransform().To2dTranslation()); // Keep going, both should stick. SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 100.f)); UpdateActiveTreeDrawProperties(); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 10.f), outer_sticky_impl->ScreenSpaceTransform().To2dTranslation()); EXPECT_VECTOR2DF_EQ( gfx::Vector2dF(0.f, 25.f), inner_sticky_impl->ScreenSpaceTransform().To2dTranslation()); } class AnimationScaleFactorTrackingLayerImpl : public LayerImpl { public: static std::unique_ptr Create( LayerTreeImpl* tree_impl, int id) { return base::WrapUnique( new AnimationScaleFactorTrackingLayerImpl(tree_impl, id)); } ~AnimationScaleFactorTrackingLayerImpl() override = default; private: explicit AnimationScaleFactorTrackingLayerImpl(LayerTreeImpl* tree_impl, int id) : LayerImpl(tree_impl, id) { SetDrawsContent(true); } }; TEST_F(DrawPropertiesTest, MaximumAnimationScaleFactor) { LayerImpl* root = root_layer(); auto* grand_parent = AddLayer(); auto* parent = AddLayer(); auto* child = AddLayer(); auto* grand_child = AddLayer(); SetElementIdsForTesting(); root->SetBounds(gfx::Size(1, 2)); grand_parent->SetBounds(gfx::Size(1, 2)); parent->SetBounds(gfx::Size(1, 2)); child->SetBounds(gfx::Size(1, 2)); grand_child->SetBounds(gfx::Size(1, 2)); CopyProperties(root, grand_parent); CreateTransformNode(grand_parent); CopyProperties(grand_parent, parent); CreateTransformNode(parent); CopyProperties(parent, child); CreateTransformNode(child); CopyProperties(child, grand_child); CreateTransformNode(grand_child); UpdateActiveTreeDrawProperties(); // No layers have animations. EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child)); TransformOperations translation; translation.AppendTranslate(1.f, 2.f, 3.f); scoped_refptr grand_parent_animation = Animation::Create(AnimationIdProvider::NextAnimationId()); timeline_impl()->AttachAnimation(grand_parent_animation); grand_parent_animation->AttachElement(grand_parent->element_id()); scoped_refptr parent_animation = Animation::Create(AnimationIdProvider::NextAnimationId()); timeline_impl()->AttachAnimation(parent_animation); parent_animation->AttachElement(parent->element_id()); scoped_refptr child_animation = Animation::Create(AnimationIdProvider::NextAnimationId()); timeline_impl()->AttachAnimation(child_animation); child_animation->AttachElement(child->element_id()); scoped_refptr grand_child_animation = Animation::Create(AnimationIdProvider::NextAnimationId()); timeline_impl()->AttachAnimation(grand_child_animation); grand_child_animation->AttachElement(grand_child->element_id()); AddAnimatedTransformToAnimation(parent_animation.get(), 1.0, TransformOperations(), translation); // No layers have scale-affecting animations. EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child)); TransformOperations scale; scale.AppendScale(5.f, 4.f, 3.f); AddAnimatedTransformToAnimation(child_animation.get(), 1.0, TransformOperations(), scale); UpdateActiveTreeDrawProperties(); // Only |child| has a scale-affecting animation. EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent)); EXPECT_EQ(5.f, GetMaximumAnimationScale(child)); EXPECT_EQ(5.f, GetMaximumAnimationScale(grand_child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent)); EXPECT_EQ(1.f, GetStartingAnimationScale(child)); EXPECT_EQ(1.f, GetStartingAnimationScale(grand_child)); AddAnimatedTransformToAnimation(grand_parent_animation.get(), 1.0, TransformOperations(), scale); UpdateActiveTreeDrawProperties(); // |grand_parent| and |child| have scale-affecting animations. EXPECT_EQ(5.f, GetMaximumAnimationScale(grand_parent)); EXPECT_EQ(5.f, GetMaximumAnimationScale(parent)); // We don't support combining animated scales from two nodes; 0.f means // that the maximum scale could not be computed. EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child)); EXPECT_EQ(1.f, GetStartingAnimationScale(grand_parent)); EXPECT_EQ(1.f, GetStartingAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child)); AddAnimatedTransformToAnimation(parent_animation.get(), 1.0, TransformOperations(), scale); UpdateActiveTreeDrawProperties(); // |grand_parent|, |parent|, and |child| have scale-affecting animations. EXPECT_EQ(5.f, GetMaximumAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child)); EXPECT_EQ(1.f, GetStartingAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child)); grand_parent_animation->AbortKeyframeModelsWithProperty( TargetProperty::TRANSFORM, false); parent_animation->AbortKeyframeModelsWithProperty(TargetProperty::TRANSFORM, false); child_animation->AbortKeyframeModelsWithProperty(TargetProperty::TRANSFORM, false); TransformOperations perspective; perspective.AppendPerspective(10.f); AddAnimatedTransformToAnimation(child_animation.get(), 1.0, TransformOperations(), perspective); UpdateActiveTreeDrawProperties(); // |child| has a scale-affecting animation but computing the maximum of this // animation is not supported. EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child)); child_animation->AbortKeyframeModelsWithProperty(TargetProperty::TRANSFORM, false); gfx::Transform scale_matrix; scale_matrix.Scale(1.f, 2.f); SetTransform(grand_parent, scale_matrix); SetTransform(parent, scale_matrix); AddAnimatedTransformToAnimation(parent_animation.get(), 1.0, TransformOperations(), scale); UpdateActiveTreeDrawProperties(); // |grand_parent| and |parent| each have scale 2.f. |parent| has a scale // animation with maximum scale 5.f. EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent)); EXPECT_EQ(10.f, GetMaximumAnimationScale(parent)); EXPECT_EQ(10.f, GetMaximumAnimationScale(child)); EXPECT_EQ(10.f, GetMaximumAnimationScale(grand_child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent)); EXPECT_EQ(2.f, GetStartingAnimationScale(parent)); EXPECT_EQ(2.f, GetStartingAnimationScale(child)); EXPECT_EQ(2.f, GetStartingAnimationScale(grand_child)); gfx::Transform perspective_matrix; perspective_matrix.ApplyPerspectiveDepth(2.f); SetTransform(child, perspective_matrix); UpdateActiveTreeDrawProperties(); // |child| has a transform that's neither a translation nor a scale. EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent)); EXPECT_EQ(10.f, GetMaximumAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent)); EXPECT_EQ(2.f, GetStartingAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child)); SetTransform(parent, perspective_matrix); UpdateActiveTreeDrawProperties(); // |parent| and |child| have transforms that are neither translations nor // scales. EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child)); SetTransform(parent, gfx::Transform()); SetTransform(child, gfx::Transform()); SetTransform(grand_parent, perspective_matrix); UpdateActiveTreeDrawProperties(); // |grand_parent| has a transform that's neither a translation nor a scale. EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child)); EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child)); EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child)); } static void GatherDrawnLayers(LayerTreeImpl* tree_impl, std::set* drawn_layers) { for (EffectTreeLayerListIterator it(tree_impl); it.state() != EffectTreeLayerListIterator::State::END; ++it) { if (it.state() == EffectTreeLayerListIterator::State::LAYER) drawn_layers->insert(it.current_layer()); if (it.state() != EffectTreeLayerListIterator::State::CONTRIBUTING_SURFACE) continue; } } // Needs layer tree mode: mask layer. TEST_F(DrawPropertiesTestWithLayerTree, RenderSurfaceLayerListMembership) { auto root = Layer::Create(); auto grand_parent = Layer::Create(); auto parent = Layer::Create(); auto child = Layer::Create(); auto grand_child1 = Layer::Create(); auto grand_child2 = Layer::Create(); root->SetBounds(gfx::Size(1, 2)); grand_parent->SetBounds(gfx::Size(1, 2)); parent->SetBounds(gfx::Size(1, 2)); child->SetBounds(gfx::Size(1, 2)); grand_child1->SetBounds(gfx::Size(1, 2)); grand_child2->SetBounds(gfx::Size(1, 2)); child->AddChild(grand_child1); child->AddChild(grand_child2); parent->AddChild(child); grand_parent->AddChild(parent); root->AddChild(grand_parent); host()->SetRootLayer(root); // Start with nothing being drawn. CommitAndActivate(); EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child2)->contributes_to_drawn_render_surface()); std::set expected; std::set actual; GatherDrawnLayers(host_impl()->active_tree(), &actual); EXPECT_EQ(expected, actual); // If we force render surface, but none of the layers are in the layer list, // then this layer should not appear in RSLL. grand_child1->SetForceRenderSurfaceForTesting(true); CommitAndActivate(); EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child2)->contributes_to_drawn_render_surface()); expected.clear(); actual.clear(); GatherDrawnLayers(host_impl()->active_tree(), &actual); EXPECT_EQ(expected, actual); // However, if we say that this layer also draws content, it will appear in // RSLL. grand_child1->SetIsDrawable(true); CommitAndActivate(); EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(grand_child1)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child2)->contributes_to_drawn_render_surface()); expected.clear(); expected.insert(ImplOf(grand_child1)); actual.clear(); GatherDrawnLayers(host_impl()->active_tree(), &actual); EXPECT_EQ(expected, actual); // Now child is forced to have a render surface, and one if its children draws // content. grand_child1->SetIsDrawable(false); grand_child1->SetForceRenderSurfaceForTesting(false); child->SetForceRenderSurfaceForTesting(true); grand_child2->SetIsDrawable(true); CommitAndActivate(); EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(grand_child2)->contributes_to_drawn_render_surface()); expected.clear(); expected.insert(ImplOf(grand_child2)); actual.clear(); GatherDrawnLayers(host_impl()->active_tree(), &actual); EXPECT_EQ(expected, actual); // Add a mask layer to child. FakeContentLayerClient client; auto mask = PictureLayer::Create(&client); mask->SetBounds(child->bounds()); child->SetMaskLayer(mask); CommitAndActivate(); EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(mask)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(grand_child2)->contributes_to_drawn_render_surface()); expected.clear(); expected.insert(ImplOf(grand_child2)); expected.insert(ImplOf(mask)); actual.clear(); GatherDrawnLayers(host_impl()->active_tree(), &actual); EXPECT_EQ(expected, actual); CommitAndActivate(); EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(mask)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(grand_child2)->contributes_to_drawn_render_surface()); expected.clear(); expected.insert(ImplOf(grand_child2)); expected.insert(ImplOf(mask)); actual.clear(); GatherDrawnLayers(host_impl()->active_tree(), &actual); EXPECT_EQ(expected, actual); // With nothing drawing, we should have no layers. grand_child2->SetIsDrawable(false); CommitAndActivate(); EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface()); // Mask layer has its own render surface in layer tree mode. EXPECT_TRUE(ImplOf(mask)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child2)->contributes_to_drawn_render_surface()); expected.clear(); expected.insert(ImplOf(mask)); actual.clear(); GatherDrawnLayers(host_impl()->active_tree(), &actual); EXPECT_EQ(expected, actual); // When the child is drawable, both the child and the mask should be in the // render surface list. child->SetIsDrawable(true); CommitAndActivate(); EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(child)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(mask)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(grand_child2)->contributes_to_drawn_render_surface()); expected.clear(); expected.insert(ImplOf(child)); expected.insert(ImplOf(mask)); actual.clear(); GatherDrawnLayers(host_impl()->active_tree(), &actual); EXPECT_EQ(expected, actual); child->SetMaskLayer(nullptr); // Now everyone's a member! grand_parent->SetIsDrawable(true); parent->SetIsDrawable(true); child->SetIsDrawable(true); grand_child1->SetIsDrawable(true); grand_child2->SetIsDrawable(true); CommitAndActivate(); EXPECT_TRUE(ImplOf(grand_parent)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(parent)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(child)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(grand_child1)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(grand_child2)->contributes_to_drawn_render_surface()); expected.clear(); expected.insert(ImplOf(grand_parent)); expected.insert(ImplOf(parent)); expected.insert(ImplOf(child)); expected.insert(ImplOf(grand_child1)); expected.insert(ImplOf(grand_child2)); actual.clear(); GatherDrawnLayers(host_impl()->active_tree(), &actual); EXPECT_EQ(expected, actual); } // Needs layer tree mode: mask layer. TEST_F(DrawPropertiesTestWithLayerTree, DrawPropertyDeviceScale) { auto root = Layer::Create(); auto child1 = Layer::Create(); auto child2 = Layer::Create(); gfx::Transform scale_transform_child1, scale_transform_child2; scale_transform_child1.Scale(2, 3); scale_transform_child2.Scale(4, 5); root->SetBounds(gfx::Size(1, 1)); root->SetIsDrawable(true); child1->SetTransform(scale_transform_child1); child1->SetBounds(gfx::Size(1, 1)); child1->SetIsDrawable(true); FakeContentLayerClient client; auto mask = PictureLayer::Create(&client); mask->SetBounds(child1->bounds()); child1->SetMaskLayer(mask); root->AddChild(child1); root->AddChild(child2); host()->SetRootLayer(root); host()->SetElementIdsForTesting(); TransformOperations scale; scale.AppendScale(5.f, 8.f, 3.f); child2->SetTransform(scale_transform_child2); child2->SetBounds(gfx::Size(1, 1)); child2->SetIsDrawable(true); AddAnimatedTransformToElementWithAnimation(child2->element_id(), timeline(), 1.0, TransformOperations(), scale); CommitAndActivate(); EXPECT_FLOAT_EQ(1.f, ImplOf(root)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(3.f, ImplOf(child1)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(3.f, ImplOf(mask)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(5.f, ImplOf(child2)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(root))); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(child1))); EXPECT_FLOAT_EQ(8.f, GetMaximumAnimationScale(ImplOf(child2))); // Changing device-scale would affect ideal_contents_scale and // maximum_animation_contents_scale. float device_scale_factor = 4.0f; CommitAndActivate(device_scale_factor); EXPECT_FLOAT_EQ(4.f, ImplOf(root)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(12.f, ImplOf(child1)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(12.f, ImplOf(mask)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(20.f, ImplOf(child2)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(root))); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(child1))); EXPECT_FLOAT_EQ(32.f, GetMaximumAnimationScale(ImplOf(child2))); } TEST_F(DrawPropertiesTest, DrawPropertyScales) { auto root = Layer::Create(); auto page_scale = Layer::Create(); auto child1 = Layer::Create(); auto child2 = Layer::Create(); gfx::Transform scale_transform_child1, scale_transform_child2; scale_transform_child1.Scale(2, 3); scale_transform_child2.Scale(4, 5); root->SetBounds(gfx::Size(1, 1)); root->SetIsDrawable(true); child1->SetBounds(gfx::Size(1, 1)); child1->SetIsDrawable(true); child2->SetBounds(gfx::Size(1, 1)); child2->SetIsDrawable(true); root->AddChild(child1); root->AddChild(child2); root->AddChild(page_scale); host()->SetRootLayer(root); host()->SetElementIdsForTesting(); SetupRootProperties(root.get()); CopyProperties(root.get(), page_scale.get()); CreateTransformNode(page_scale.get()); CopyProperties(page_scale.get(), child1.get()); CreateTransformNode(child1.get()).local = scale_transform_child1; CopyProperties(page_scale.get(), child2.get()); CreateTransformNode(child2.get()).local = scale_transform_child2; LayerTreeHost::ViewportPropertyIds viewport_property_ids; viewport_property_ids.page_scale_transform = page_scale->transform_tree_index(); host()->RegisterViewportPropertyIds(viewport_property_ids); TransformOperations scale; scale.AppendScale(5.f, 8.f, 3.f); AddAnimatedTransformToElementWithAnimation(child2->element_id(), timeline(), 1.0, TransformOperations(), scale); CommitAndActivate(); EXPECT_FLOAT_EQ(1.f, ImplOf(root)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(1.f, ImplOf(page_scale)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(3.f, ImplOf(child1)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(5.f, ImplOf(child2)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(root))); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(page_scale))); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(child1))); EXPECT_FLOAT_EQ(8.f, GetMaximumAnimationScale(ImplOf(child2))); // Changing page-scale would affect ideal_contents_scale and // maximum_animation_contents_scale. float device_scale_factor = 1.0f; host()->SetPageScaleFactorAndLimits(3.f, 3.f, 3.f); CommitAndActivate(); EXPECT_FLOAT_EQ(1.f, ImplOf(root)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(3.f, ImplOf(page_scale)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(9.f, ImplOf(child1)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(15.f, ImplOf(child2)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(root))); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(page_scale))); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(child1))); EXPECT_FLOAT_EQ(24.f, GetMaximumAnimationScale(ImplOf(child2))); // Changing device-scale would affect ideal_contents_scale and // maximum_animation_contents_scale. device_scale_factor = 4.0f; CommitAndActivate(device_scale_factor); EXPECT_FLOAT_EQ(4.f, ImplOf(root)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(12.f, ImplOf(page_scale)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(36.f, ImplOf(child1)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(60.f, ImplOf(child2)->GetIdealContentsScale()); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(root))); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(page_scale))); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(child1))); EXPECT_FLOAT_EQ(96.f, GetMaximumAnimationScale(ImplOf(child2))); } TEST_F(DrawPropertiesTest, AnimationScales) { LayerImpl* root = root_layer(); auto* child1 = AddLayer(); auto* child2 = AddLayer(); SetElementIdsForTesting(); gfx::Transform scale_transform_child1, scale_transform_child2; scale_transform_child1.Scale(2, 3); scale_transform_child2.Scale(4, 5); root->SetBounds(gfx::Size(1, 1)); child1->SetBounds(gfx::Size(1, 1)); child2->SetBounds(gfx::Size(1, 1)); CopyProperties(root, child1); CreateTransformNode(child1).local = scale_transform_child1; CopyProperties(child1, child2); CreateTransformNode(child2).local = scale_transform_child2; TransformOperations scale; scale.AppendScale(5.f, 8.f, 3.f); AddAnimatedTransformToElementWithAnimation( child2->element_id(), timeline_impl(), 1.0, TransformOperations(), scale); UpdateActiveTreeDrawProperties(); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(root)); EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(child1)); EXPECT_FLOAT_EQ(24.f, GetMaximumAnimationScale(child2)); EXPECT_FLOAT_EQ(kNotScaled, GetStartingAnimationScale(root)); EXPECT_FLOAT_EQ(kNotScaled, GetStartingAnimationScale(child1)); EXPECT_FLOAT_EQ(3.f, GetStartingAnimationScale(child2)); // Correctly updates animation scale when layer property changes. SetTransform(child1, gfx::Transform()); root->layer_tree_impl()->SetTransformMutated(child1->element_id(), gfx::Transform()); UpdateActiveTreeDrawProperties(); EXPECT_FLOAT_EQ(8.f, GetMaximumAnimationScale(child2)); EXPECT_FLOAT_EQ(1.f, GetStartingAnimationScale(child2)); // Do not update animation scale if already updated. host_impl()->active_tree()->property_trees()->SetAnimationScalesForTesting( child2->transform_tree_index(), 100.f, 100.f); EXPECT_FLOAT_EQ(100.f, GetMaximumAnimationScale(child2)); EXPECT_FLOAT_EQ(100.f, GetStartingAnimationScale(child2)); } TEST_F(DrawPropertiesTest, VisibleContentRectInChildRenderSurface) { LayerImpl* root = root_layer(); LayerImpl* clip = AddLayer(); LayerImpl* content = AddLayer(); root->SetBounds(gfx::Size(768 / 2, 3000)); root->SetDrawsContent(true); clip->SetBounds(gfx::Size(768 / 2, 10000)); content->SetBounds(gfx::Size(768 / 2, 10000)); content->SetDrawsContent(true); CopyProperties(root, clip); CreateClipNode(clip); CopyProperties(clip, content); CreateEffectNode(content).render_surface_reason = RenderSurfaceReason::kTest; // Not calling UpdateActiveTreeDrawProperties() because we want to set a // special device viewport rect. host_impl()->active_tree()->SetDeviceViewportRect(gfx::Rect(768, 582)); float device_scale_factor = 2.f; host_impl()->active_tree()->SetDeviceScaleFactor(device_scale_factor); UpdateDrawProperties(host_impl()->active_tree()); // Layers in the root render surface have their visible content rect clipped // by the viewport. EXPECT_EQ(gfx::Rect(768 / device_scale_factor, 582 / device_scale_factor), root->visible_layer_rect()); // Layers drawing to a child render surface should still have their visible // content rect clipped by the viewport. EXPECT_EQ(gfx::Rect(768 / device_scale_factor, 582 / device_scale_factor), content->visible_layer_rect()); } TEST_F(DrawPropertiesTest, ViewportBoundsDeltaAffectVisibleContentRect) { gfx::Size container_size = gfx::Size(300, 500); gfx::Size scroll_size = gfx::Size(300, 1000); // Device viewport accomidated the root and the browser controls. gfx::Rect device_viewport_rect = gfx::Rect(300, 600); LayerTreeImpl* active_tree = host_impl()->active_tree(); active_tree->SetDeviceViewportRect(device_viewport_rect); active_tree->SetBrowserControlsParams({50, 0, 0, 0, false, true}); active_tree->PushPageScaleFromMainThread(1.0f, 1.0f, 1.0f); LayerImpl* root = root_layer(); root->SetBounds(device_viewport_rect.size()); SetupViewport(root, container_size, scroll_size); LayerImpl* scroll_layer = InnerViewportScrollLayer(); scroll_layer->SetDrawsContent(true); active_tree->SetCurrentBrowserControlsShownRatio(1.0f, 1.0f); active_tree->UpdateViewportContainerSizes(); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(container_size), scroll_layer->visible_layer_rect()); active_tree->SetCurrentBrowserControlsShownRatio(0.0f, 0.0f); active_tree->UpdateViewportContainerSizes(); UpdateActiveTreeDrawProperties(); gfx::Rect affected_by_delta(container_size.width(), container_size.height() + 50); EXPECT_EQ(affected_by_delta, scroll_layer->visible_layer_rect()); } TEST_F(DrawPropertiesTest, VisibleContentRectForAnimatedLayer) { host_impl()->CreatePendingTree(); LayerImpl* root = EnsureRootLayerInPendingTree(); LayerImpl* animated = AddLayerInPendingTree(); animated->SetDrawsContent(true); host_impl()->pending_tree()->SetElementIdsForTesting(); root->SetBounds(gfx::Size(100, 100)); animated->SetBounds(gfx::Size(20, 20)); CopyProperties(root, animated); CreateEffectNode(animated).opacity = 0.f; AddOpacityTransitionToElementWithAnimation( animated->element_id(), timeline_impl(), 10.0, 0.f, 1.f, false); UpdatePendingTreeDrawProperties(); EXPECT_FALSE(animated->visible_layer_rect().IsEmpty()); } TEST_F(DrawPropertiesTest, VisibleContentRectForAnimatedLayerWithSingularTransform) { host_impl()->CreatePendingTree(); LayerImpl* root = EnsureRootLayerInPendingTree(); LayerImpl* clip = AddLayerInPendingTree(); LayerImpl* animated = AddLayerInPendingTree(); LayerImpl* surface = AddLayerInPendingTree(); LayerImpl* descendant_of_keyframe_model = AddLayerInPendingTree(); host_impl()->pending_tree()->SetElementIdsForTesting(); root->SetDrawsContent(true); animated->SetDrawsContent(true); surface->SetDrawsContent(true); descendant_of_keyframe_model->SetDrawsContent(true); gfx::Transform uninvertible_matrix; uninvertible_matrix.Scale3d(6.f, 6.f, 0.f); root->SetBounds(gfx::Size(100, 100)); clip->SetBounds(gfx::Size(10, 10)); animated->SetBounds(gfx::Size(120, 120)); surface->SetBounds(gfx::Size(100, 100)); descendant_of_keyframe_model->SetBounds(gfx::Size(200, 200)); CopyProperties(root, clip); CreateClipNode(clip); CopyProperties(clip, animated); CreateTransformNode(animated).local = uninvertible_matrix; CopyProperties(animated, surface); CreateTransformNode(surface); CreateEffectNode(surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(surface, descendant_of_keyframe_model); TransformOperations start_transform_operations; start_transform_operations.AppendMatrix(uninvertible_matrix); TransformOperations end_transform_operations; AddAnimatedTransformToElementWithAnimation( animated->element_id(), timeline_impl(), 10.0, start_transform_operations, end_transform_operations); UpdatePendingTreeDrawProperties(); // Since animated has singular transform, it is not be part of render // surface layer list but should be rastered. EXPECT_FALSE(animated->contributes_to_drawn_render_surface()); EXPECT_TRUE(animated->raster_even_if_not_drawn()); // The animated layer has a singular transform and maps to a non-empty rect in // clipped target space, so is treated as fully visible. EXPECT_EQ(gfx::Rect(120, 120), animated->visible_layer_rect()); // The singular transform on |animated| is flattened when inherited by // |surface|, and this happens to make it invertible. EXPECT_EQ(gfx::Rect(2, 2), surface->visible_layer_rect()); EXPECT_EQ(gfx::Rect(2, 2), descendant_of_keyframe_model->visible_layer_rect()); gfx::Transform zero_matrix; zero_matrix.Scale3d(0.f, 0.f, 0.f); root->layer_tree_impl()->SetTransformMutated(animated->element_id(), zero_matrix); UpdatePendingTreeDrawProperties(); // The animated layer will be treated as fully visible when we combine clips // in screen space. EXPECT_EQ(gfx::Rect(120, 120), animated->visible_layer_rect()); // This time, flattening does not make |animated|'s transform invertible. This // means the clip cannot be projected into |surface|'s space, so we treat // |surface| and layers that draw into it as having empty visible rect. EXPECT_EQ(gfx::Rect(100, 100), surface->visible_layer_rect()); EXPECT_EQ(gfx::Rect(200, 200), descendant_of_keyframe_model->visible_layer_rect()); host_impl()->ActivateSyncTree(); LayerImpl* active_root = host_impl()->active_tree()->LayerById(root->id()); UpdateActiveTreeDrawProperties(); // Since the animated has singular transform, it is not be part of render // surface layer list. LayerImpl* active_animated = host_impl()->active_tree()->LayerById(animated->id()); EXPECT_TRUE(active_root->contributes_to_drawn_render_surface()); EXPECT_FALSE(active_animated->contributes_to_drawn_render_surface()); // Since animated has singular transform, it is not be part of render // surface layer list but should be rastered. EXPECT_TRUE(animated->raster_even_if_not_drawn()); EXPECT_EQ(gfx::Rect(120, 120), active_animated->visible_layer_rect()); } TEST_F(DrawPropertiesTest, ChangeTransformOrigin) { LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); gfx::Transform scale_matrix; scale_matrix.Scale(2.f, 2.f); root->SetBounds(gfx::Size(100, 100)); root->SetDrawsContent(true); child->SetBounds(gfx::Size(10, 10)); child->SetDrawsContent(true); CopyProperties(root, child); CreateTransformNode(child).local = scale_matrix; UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(10, 10), child->visible_layer_rect()); SetTransformOrigin(child, gfx::Point3F(10.f, 10.f, 10.f)); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(5, 5, 5, 5), child->visible_layer_rect()); } TEST_F(DrawPropertiesTest, UpdateScrollChildPosition) { LayerImpl* root = root_layer(); LayerImpl* scroll_parent = AddLayer(); LayerImpl* scroll_child = AddLayer(); root->SetBounds(gfx::Size(50, 50)); scroll_parent->SetBounds(gfx::Size(30, 30)); scroll_parent->SetElementId( LayerIdToElementIdForTesting(scroll_parent->id())); scroll_parent->SetDrawsContent(true); scroll_child->SetBounds(gfx::Size(40, 40)); scroll_child->SetDrawsContent(true); CopyProperties(root, scroll_parent); CreateTransformNode(scroll_parent); CreateScrollNode(scroll_parent, gfx::Size(50, 50)); CopyProperties(scroll_parent, scroll_child); CreateTransformNode(scroll_child).local.Scale(2.f, 2.f); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(25, 25), scroll_child->visible_layer_rect()); SetScrollOffset(scroll_parent, gfx::ScrollOffset(0.f, 10.f)); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(0, 5, 25, 25), scroll_child->visible_layer_rect()); SetPostTranslation(scroll_child, gfx::Vector2dF(0, -10.f)); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(0, 10, 25, 25), scroll_child->visible_layer_rect()); } // Needs layer tree mode: copy request. Not using impl-side PropertyTreeBuilder. TEST_F(DrawPropertiesTestWithLayerTree, HasCopyRequestsInTargetSubtree) { scoped_refptr root = Layer::Create(); scoped_refptr child1 = Layer::Create(); scoped_refptr child2 = Layer::Create(); scoped_refptr grandchild = Layer::Create(); scoped_refptr greatgrandchild = Layer::Create(); root->AddChild(child1); root->AddChild(child2); child1->AddChild(grandchild); grandchild->AddChild(greatgrandchild); host()->SetRootLayer(root); root->SetBounds(gfx::Size(1, 1)); child1->RequestCopyOfOutput(viz::CopyOutputRequest::CreateStubForTesting()); greatgrandchild->RequestCopyOfOutput( viz::CopyOutputRequest::CreateStubForTesting()); child2->SetOpacity(0.f); UpdateMainDrawProperties(); EXPECT_TRUE(LayerSubtreeHasCopyRequest(root.get())); EXPECT_TRUE(LayerSubtreeHasCopyRequest(child1.get())); EXPECT_FALSE(LayerSubtreeHasCopyRequest(child2.get())); EXPECT_TRUE(LayerSubtreeHasCopyRequest(grandchild.get())); EXPECT_TRUE(LayerSubtreeHasCopyRequest(greatgrandchild.get())); } // Needs layer tree mode: hide_layer_and_subtree, etc. // Not using impl-side PropertyTreeBuilder. TEST_F(DrawPropertiesTestWithLayerTree, SkippingSubtreeMain) { FakeContentLayerClient client; scoped_refptr root = Layer::Create(); client.set_bounds(root->bounds()); scoped_refptr child = Layer::Create(); child->SetIsDrawable(true); scoped_refptr grandchild = Layer::Create(); grandchild->SetIsDrawable(true); scoped_refptr greatgrandchild( FakePictureLayer::Create(&client)); root->SetBounds(gfx::Size(100, 100)); child->SetBounds(gfx::Size(10, 10)); grandchild->SetBounds(gfx::Size(10, 10)); greatgrandchild->SetBounds(gfx::Size(10, 10)); root->AddChild(child); child->AddChild(grandchild); grandchild->AddChild(greatgrandchild); host()->SetRootLayer(root); host()->SetElementIdsForTesting(); // Check the non-skipped case. UpdateMainDrawProperties(); EXPECT_TRUE(UpdateLayerListContains(grandchild->id())); // Now we will reset the visible rect from property trees for the grandchild, // and we will configure |child| in several ways that should force the subtree // to be skipped. The visible content rect for |grandchild| should, therefore, // remain empty. gfx::Transform singular; singular.matrix().set(0, 0, 0); child->SetTransform(singular); UpdateMainDrawProperties(); EXPECT_FALSE(UpdateLayerListContains(grandchild->id())); child->SetTransform(gfx::Transform()); child->SetHideLayerAndSubtree(true); UpdateMainDrawProperties(); EXPECT_FALSE(UpdateLayerListContains(grandchild->id())); child->SetHideLayerAndSubtree(false); gfx::Transform zero_z_scale; zero_z_scale.Scale3d(1, 1, 0); child->SetTransform(zero_z_scale); // Add a transform animation with a start delay. Now, even though |child| has // a singular transform, the subtree should still get processed. int keyframe_model_id = 0; std::unique_ptr keyframe_model = KeyframeModel::Create( std::unique_ptr(new FakeTransformTransition(1.0)), keyframe_model_id, 1, TargetProperty::TRANSFORM); keyframe_model->set_fill_mode(KeyframeModel::FillMode::NONE); keyframe_model->set_time_offset(base::TimeDelta::FromMilliseconds(-1000)); AddKeyframeModelToElementWithAnimation(child->element_id(), timeline(), std::move(keyframe_model)); UpdateMainDrawProperties(); EXPECT_TRUE(UpdateLayerListContains(grandchild->id())); RemoveKeyframeModelFromElementWithExistingKeyframeEffect( child->element_id(), timeline(), keyframe_model_id); child->SetTransform(gfx::Transform()); child->SetOpacity(0.f); UpdateMainDrawProperties(); EXPECT_FALSE(UpdateLayerListContains(grandchild->id())); // Now, even though child has zero opacity, we will configure |grandchild| and // |greatgrandchild| in several ways that should force the subtree to be // processed anyhow. grandchild->RequestCopyOfOutput( viz::CopyOutputRequest::CreateStubForTesting()); UpdateMainDrawProperties(); EXPECT_TRUE(UpdateLayerListContains(grandchild->id())); // Add an opacity animation with a start delay. keyframe_model_id = 1; keyframe_model = KeyframeModel::Create( std::unique_ptr(new FakeFloatTransition(1.0, 0.f, 1.f)), keyframe_model_id, 1, TargetProperty::OPACITY); keyframe_model->set_fill_mode(KeyframeModel::FillMode::NONE); keyframe_model->set_time_offset(base::TimeDelta::FromMilliseconds(-1000)); AddKeyframeModelToElementWithExistingKeyframeEffect( child->element_id(), timeline(), std::move(keyframe_model)); UpdateMainDrawProperties(); EXPECT_TRUE(UpdateLayerListContains(grandchild->id())); } // Needs layer tree mode: hide_layer_and_subtree, etc. TEST_F(DrawPropertiesTestWithLayerTree, SkippingLayerImpl) { auto root = Layer::Create(); host()->SetRootLayer(root); auto parent = Layer::Create(); root->AddChild(parent); auto child = Layer::Create(); parent->AddChild(child); auto grandchild = Layer::Create(); child->AddChild(grandchild); FakeContentLayerClient client; auto greatgrandchild = PictureLayer::Create(&client); grandchild->AddChild(greatgrandchild); root->SetBounds(gfx::Size(100, 100)); parent->SetBounds(gfx::Size(100, 100)); child->SetBounds(gfx::Size(10, 10)); child->SetIsDrawable(true); grandchild->SetBounds(gfx::Size(10, 10)); grandchild->SetIsDrawable(true); greatgrandchild->SetIsDrawable(true); host()->SetElementIdsForTesting(); // Check the non-skipped case. CommitAndActivate(); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(grandchild)->visible_layer_rect()); // Now we will reset the visible rect from property trees for the grandchild, // and we will configure |child| in several ways that should force the subtree // to be skipped. The visible content rect for |grandchild| should, therefore, // remain empty. ImplOf(grandchild)->set_visible_layer_rect(gfx::Rect()); gfx::Transform singular; singular.matrix().set(0, 0, 0); // This line is used to make the results of skipping and not skipping layers // different. singular.matrix().set(0, 1, 1); gfx::Transform rotate; rotate.Rotate(90); gfx::Transform rotate_back_and_translate; rotate_back_and_translate.RotateAboutYAxis(180); rotate_back_and_translate.Translate(-10, 0); child->SetTransform(singular); CommitAndActivate(); EXPECT_EQ(gfx::Rect(0, 0), ImplOf(grandchild)->visible_layer_rect()); child->SetTransform(gfx::Transform()); child->SetHideLayerAndSubtree(true); CommitAndActivate(); EXPECT_EQ(gfx::Rect(0, 0), ImplOf(grandchild)->visible_layer_rect()); child->SetHideLayerAndSubtree(false); child->SetOpacity(0.f); CommitAndActivate(); EXPECT_EQ(gfx::Rect(0, 0), ImplOf(grandchild)->visible_layer_rect()); child->SetOpacity(1.f); parent->SetTransform(singular); // Force transform tree to have a node for child, so that ancestor's // invertible transform can be tested. child->SetTransform(rotate); CommitAndActivate(); EXPECT_EQ(gfx::Rect(0, 0), ImplOf(grandchild)->visible_layer_rect()); parent->SetTransform(gfx::Transform()); child->SetTransform(gfx::Transform()); parent->SetOpacity(0.f); child->SetOpacity(0.7f); CommitAndActivate(); EXPECT_EQ(gfx::Rect(0, 0), ImplOf(grandchild)->visible_layer_rect()); parent->SetOpacity(1.f); child->SetOpacity(0.f); // Now, even though child has zero opacity, we will configure |grandchild| and // |greatgrandchild| in several ways that should force the subtree to be // processed anyhow. grandchild->RequestCopyOfOutput( viz::CopyOutputRequest::CreateStubForTesting()); CommitAndActivate(); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(grandchild)->visible_layer_rect()); GetPropertyTrees(root.get())->effect_tree.ClearCopyRequests(); child->SetOpacity(1.f); // A double sided render surface with backface visible should not be skipped ImplOf(grandchild)->set_visible_layer_rect(gfx::Rect()); child->SetForceRenderSurfaceForTesting(true); child->SetTransform(rotate_back_and_translate); CommitAndActivate(); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(grandchild)->visible_layer_rect()); child->SetTransform(gfx::Transform()); std::unique_ptr curve( KeyframedTransformAnimationCurve::Create()); TransformOperations start; start.AppendTranslate(1.f, 2.f, 3.f); gfx::Transform transform; transform.Scale3d(1.0, 2.0, 3.0); TransformOperations operation; operation.AppendMatrix(transform); curve->AddKeyframe( TransformKeyframe::Create(base::TimeDelta(), start, nullptr)); curve->AddKeyframe(TransformKeyframe::Create( base::TimeDelta::FromSecondsD(1.0), operation, nullptr)); std::unique_ptr transform_animation( KeyframeModel::Create(std::move(curve), 3, 3, TargetProperty::TRANSFORM)); scoped_refptr animation(Animation::Create(1)); timeline()->AttachAnimation(animation); animation->AttachElement(parent->element_id()); animation->AddKeyframeModel(std::move(transform_animation)); ImplOf(grandchild)->set_visible_layer_rect(gfx::Rect()); parent->SetTransform(singular); child->SetTransform(singular); CommitAndActivate(); EXPECT_EQ(gfx::Rect(0, 0), ImplOf(grandchild)->visible_layer_rect()); } // This tests for correctness of an optimization. If a node in the tree // maps all possible spaces to a single point (ie has a singular transform) // we can ignore the size of all its children. We need to make sure that // we don't do this if an animation can replace this transform in the // compositor without recomputing the trees. TEST_F(DrawPropertiesTest, LayerSkippingInSubtreeOfSingularTransform) { // Set up a transform animation std::unique_ptr curve( KeyframedTransformAnimationCurve::Create()); TransformOperations start; start.AppendTranslate(1.f, 2.f, 3.f); gfx::Transform transform; transform.Scale3d(1.0, 2.0, 3.0); TransformOperations operation; operation.AppendMatrix(transform); curve->AddKeyframe( TransformKeyframe::Create(base::TimeDelta(), start, nullptr)); curve->AddKeyframe(TransformKeyframe::Create( base::TimeDelta::FromSecondsD(1.0), operation, nullptr)); std::unique_ptr transform_animation( KeyframeModel::Create(std::move(curve), 3, 3, TargetProperty::TRANSFORM)); scoped_refptr animation(Animation::Create(1)); timeline_impl()->AttachAnimation(animation); animation->AddKeyframeModel(std::move(transform_animation)); // Set up some layers to have a tree. LayerImpl* root = root_layer(); LayerImpl* child = AddLayer(); LayerImpl* grand_child = AddLayer(); SetElementIdsForTesting(); // If these are not on the same host we are doomed to fail. ASSERT_EQ(timeline_impl()->animation_host(), child->layer_tree_impl()->mutator_host()); // A non-invertible matrix for use later. gfx::Transform singular; singular.matrix().set(0, 0, 0); singular.matrix().set(0, 1, 1); root->SetBounds(gfx::Size(10, 10)); child->SetBounds(gfx::Size(10, 10)); child->SetDrawsContent(true); grand_child->SetBounds(gfx::Size(10, 10)); grand_child->SetDrawsContent(true); // Check that we set the visible sizes as expected in CalculateDrawProperties grand_child->set_visible_layer_rect(gfx::Rect()); child->set_visible_layer_rect(gfx::Rect()); CopyProperties(root, child); CreateTransformNode(child); CopyProperties(child, grand_child); UpdateActiveTreeDrawProperties(); ASSERT_EQ(gfx::Rect(10, 10), grand_child->visible_layer_rect()); ASSERT_EQ(gfx::Rect(10, 10), child->visible_layer_rect()); // See if we optimize out irrelevant pieces of work. SetTransform(child, singular); grand_child->set_visible_layer_rect(gfx::Rect()); child->set_visible_layer_rect(gfx::Rect()); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(), grand_child->visible_layer_rect()); EXPECT_EQ(gfx::Rect(), child->visible_layer_rect()); // Check that undoing the transform is still valid (memoryless enough) SetTransform(child, gfx::Transform()); grand_child->set_visible_layer_rect(gfx::Rect()); child->set_visible_layer_rect(gfx::Rect()); root->layer_tree_impl()->property_trees()->needs_rebuild = true; UpdateActiveTreeDrawProperties(); ASSERT_EQ(gfx::Rect(10, 10), grand_child->visible_layer_rect()); ASSERT_EQ(gfx::Rect(10, 10), child->visible_layer_rect()); // If the transform is singular, but there is an animation on it, we // should not skip the subtree. Note that the animation has not started or // ticked, there is also code along that path. This is not its test. animation->AttachElement(child->element_id()); SetTransform(child, singular); grand_child->set_visible_layer_rect(gfx::Rect(1, 1)); child->set_visible_layer_rect(gfx::Rect(1, 1)); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(10, 10), grand_child->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), child->visible_layer_rect()); } // This tests that we skip computing the visible areas for the subtree // rooted at nodes with constant zero opacity. TEST_F(DrawPropertiesTestWithLayerTree, SkippingPendingLayerImpl) { auto root = Layer::Create(); auto child = Layer::Create(); auto grandchild = Layer::Create(); FakeContentLayerClient client; auto greatgrandchild = PictureLayer::Create(&client); root->SetBounds(gfx::Size(100, 100)); child->SetBounds(gfx::Size(10, 10)); child->SetIsDrawable(true); grandchild->SetBounds(gfx::Size(10, 10)); grandchild->SetIsDrawable(true); greatgrandchild->SetIsDrawable(true); child->AddChild(grandchild); root->AddChild(child); host()->SetRootLayer(root); host()->SetElementIdsForTesting(); // Check the non-skipped case. root->SetOpacity(1.f); Commit(); ASSERT_EQ(gfx::Rect(10, 10), PendingImplOf(grandchild)->visible_layer_rect()); // Check the skipped case. root->SetOpacity(0.f); PendingImplOf(grandchild)->set_visible_layer_rect(gfx::Rect()); Commit(); EXPECT_EQ(gfx::Rect(), PendingImplOf(grandchild)->visible_layer_rect()); // Check the animated case is not skipped. std::unique_ptr curve( KeyframedFloatAnimationCurve::Create()); std::unique_ptr func = CubicBezierTimingFunction::CreatePreset( CubicBezierTimingFunction::EaseType::EASE); curve->AddKeyframe( FloatKeyframe::Create(base::TimeDelta(), 0.9f, std::move(func))); curve->AddKeyframe( FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 0.3f, nullptr)); std::unique_ptr keyframe_model( KeyframeModel::Create(std::move(curve), 3, 3, TargetProperty::OPACITY)); scoped_refptr animation(Animation::Create(1)); timeline()->AttachAnimation(animation); animation->AddKeyframeModel(std::move(keyframe_model)); animation->AttachElement(root->element_id()); // Repeat the calculation invocation. PendingImplOf(grandchild)->set_visible_layer_rect(gfx::Rect()); Commit(); EXPECT_EQ(gfx::Rect(10, 10), PendingImplOf(grandchild)->visible_layer_rect()); } // Needs layer tree mode: hide_layer_and_subtree. TEST_F(DrawPropertiesTestWithLayerTree, SkippingLayer) { auto root = Layer::Create(); host()->SetRootLayer(root); auto child = Layer::Create(); root->AddChild(child); root->SetBounds(gfx::Size(100, 100)); child->SetBounds(gfx::Size(10, 10)); child->SetIsDrawable(true); CommitAndActivate(); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(child)->visible_layer_rect()); ImplOf(child)->set_visible_layer_rect(gfx::Rect()); child->SetHideLayerAndSubtree(true); CommitAndActivate(); EXPECT_EQ(gfx::Rect(0, 0), ImplOf(child)->visible_layer_rect()); child->SetHideLayerAndSubtree(false); child->SetBounds(gfx::Size()); CommitAndActivate(); EXPECT_EQ(gfx::Rect(0, 0), ImplOf(child)->visible_layer_rect()); child->SetBounds(gfx::Size(10, 10)); gfx::Transform rotate; rotate.RotateAboutXAxis(180.f); child->SetTransform(rotate); CommitAndActivate(); EXPECT_EQ(gfx::Rect(0, 0), ImplOf(child)->visible_layer_rect()); child->SetTransform(gfx::Transform()); child->SetOpacity(0.f); CommitAndActivate(); EXPECT_EQ(gfx::Rect(0, 0), ImplOf(child)->visible_layer_rect()); } TEST_F(DrawPropertiesTest, TransformOfParentClipNodeAncestorOfTarget) { // Ensure that when parent clip node's transform is an ancestor of current // clip node's target, clip is 'projected' from parent space to current // target space and visible rects are calculated correctly. LayerImpl* root = root_layer(); LayerImpl* clip_layer = AddLayer(); LayerImpl* target_layer = AddLayer(); LayerImpl* test_layer = AddLayer(); gfx::Transform transform; transform.RotateAboutYAxis(45); root->SetBounds(gfx::Size(30, 30)); clip_layer->SetBounds(gfx::Size(30, 30)); target_layer->SetBounds(gfx::Size(30, 30)); test_layer->SetBounds(gfx::Size(30, 30)); test_layer->SetDrawsContent(true); CopyProperties(root, clip_layer); CreateTransformNode(clip_layer).local = transform; CreateClipNode(clip_layer); CopyProperties(clip_layer, target_layer); CreateTransformNode(target_layer).local = transform; CreateClipNode(target_layer); CopyProperties(target_layer, test_layer); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(30, 30), test_layer->visible_layer_rect()); } TEST_F(DrawPropertiesTest, RenderSurfaceWithUnclippedDescendantsClipsSubtree) { // Ensure clip rect is calculated correctly when render surface has unclipped // descendants. LayerImpl* root = root_layer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* between_clip_parent_and_child = AddLayer(); LayerImpl* render_surface = AddLayer(); LayerImpl* test_layer = AddLayer(); root->SetBounds(gfx::Size(30, 30)); clip_parent->SetBounds(gfx::Size(30, 30)); between_clip_parent_and_child->SetBounds(gfx::Size(30, 30)); render_surface->SetBounds(gfx::Size(30, 30)); test_layer->SetBounds(gfx::Size(30, 30)); test_layer->SetDrawsContent(true); CopyProperties(root, clip_parent); CreateTransformNode(clip_parent).local.Translate(2, 2); CreateClipNode(clip_parent); CopyProperties(clip_parent, between_clip_parent_and_child); CreateClipNode(between_clip_parent_and_child); CreateTransformNode(between_clip_parent_and_child).local.Translate(2, 2); CreateClipNode(between_clip_parent_and_child); CopyProperties(between_clip_parent_and_child, render_surface); CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface, test_layer); test_layer->SetClipTreeIndex(clip_parent->clip_tree_index()); UpdateActiveTreeDrawProperties(); EXPECT_TRUE(test_layer->is_clipped()); EXPECT_FALSE(test_layer->render_target()->is_clipped()); EXPECT_EQ(gfx::Rect(-2, -2, 30, 30), test_layer->clip_rect()); EXPECT_EQ(gfx::Rect(26, 26), test_layer->visible_layer_rect()); EXPECT_EQ(gfx::Rect(26, 26), test_layer->visible_drawable_content_rect()); } TEST_F(DrawPropertiesTest, RenderSurfaceWithUnclippedDescendantsButDoesntApplyOwnClip) { // Ensure that the visible layer rect of a descendant of a surface with // unclipped descendants is computed correctly, when the surface doesn't apply // a clip. LayerImpl* root = root_layer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* render_surface = AddLayer(); LayerImpl* clip_child = AddLayer(); LayerImpl* child = AddLayer(); root->SetBounds(gfx::Size(30, 10)); clip_parent->SetBounds(gfx::Size(30, 30)); render_surface->SetBounds(gfx::Size(10, 15)); clip_child->SetBounds(gfx::Size(10, 10)); clip_child->SetDrawsContent(true); child->SetBounds(gfx::Size(40, 40)); child->SetDrawsContent(true); CopyProperties(root, clip_parent); CopyProperties(clip_parent, render_surface); CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); CopyProperties(clip_child, child); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(30, 10), child->visible_layer_rect()); } TEST_F(DrawPropertiesTest, RenderSurfaceClipsSubtreeAndHasUnclippedDescendants) { LayerImpl* root = root_layer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* render_surface = AddLayer(); LayerImpl* test_layer1 = AddLayer(); LayerImpl* clip_child = AddLayer(); LayerImpl* test_layer2 = AddLayer(); root->SetBounds(gfx::Size(30, 30)); clip_parent->SetBounds(gfx::Size(30, 30)); render_surface->SetBounds(gfx::Size(50, 50)); render_surface->SetDrawsContent(true); test_layer1->SetBounds(gfx::Size(50, 50)); test_layer1->SetDrawsContent(true); clip_child->SetBounds(gfx::Size(50, 50)); clip_child->SetDrawsContent(true); test_layer2->SetBounds(gfx::Size(50, 50)); test_layer2->SetDrawsContent(true); CreateClipNode(root); CopyProperties(root, clip_parent); CopyProperties(clip_parent, render_surface); CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(render_surface); CopyProperties(render_surface, test_layer1); CopyProperties(test_layer1, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); CopyProperties(clip_child, test_layer2); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(30, 30), render_surface->visible_layer_rect()); EXPECT_EQ(gfx::Rect(30, 30), test_layer1->visible_layer_rect()); EXPECT_EQ(gfx::Rect(30, 30), clip_child->visible_layer_rect()); EXPECT_EQ(gfx::Rect(30, 30), test_layer2->visible_layer_rect()); } TEST_F(DrawPropertiesTest, UnclippedClipParent) { LayerImpl* root = root_layer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* render_surface = AddLayer(); LayerImpl* clip_child = AddLayer(); root->SetBounds(gfx::Size(50, 50)); clip_parent->SetBounds(gfx::Size(50, 50)); clip_parent->SetDrawsContent(true); render_surface->SetBounds(gfx::Size(30, 30)); render_surface->SetDrawsContent(true); clip_child->SetBounds(gfx::Size(50, 50)); clip_child->SetDrawsContent(true); CopyProperties(root, clip_parent); CopyProperties(clip_parent, render_surface); CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(render_surface); CopyProperties(render_surface, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); UpdateActiveTreeDrawProperties(); // The clip child should inherit its clip parent's clipping state, not its // tree parent's clipping state. EXPECT_FALSE(clip_parent->is_clipped()); EXPECT_TRUE(render_surface->is_clipped()); EXPECT_FALSE(clip_child->is_clipped()); } TEST_F(DrawPropertiesTest, RenderSurfaceContentRectWithMultipleSurfaces) { // Tests the value of render surface content rect when we have multiple types // of surfaces : unclipped surfaces, surfaces with unclipped surfaces and // clipped surfaces. LayerImpl* root = root_layer(); LayerImpl* unclipped_surface = AddLayer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* clip_layer = AddLayer(); LayerImpl* unclipped_desc_surface = AddLayer(); LayerImpl* unclipped_desc_surface2 = AddLayer(); LayerImpl* clip_child = AddLayer(); LayerImpl* clipped_surface = AddLayer(); root->SetBounds(gfx::Size(80, 80)); unclipped_surface->SetBounds(gfx::Size(50, 50)); unclipped_surface->SetDrawsContent(true); clip_parent->SetBounds(gfx::Size(50, 50)); clip_layer->SetBounds(gfx::Size(100, 100)); unclipped_desc_surface->SetBounds(gfx::Size(100, 100)); unclipped_desc_surface->SetDrawsContent(true); unclipped_desc_surface2->SetBounds(gfx::Size(60, 60)); unclipped_desc_surface2->SetDrawsContent(true); clip_child->SetBounds(gfx::Size(100, 100)); clipped_surface->SetBounds(gfx::Size(70, 70)); clipped_surface->SetDrawsContent(true); CopyProperties(root, unclipped_surface); CreateEffectNode(unclipped_surface).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(unclipped_surface); CopyProperties(unclipped_surface, clip_parent); CreateClipNode(clip_parent); CopyProperties(clip_parent, clip_layer); CreateClipNode(clip_layer); CopyProperties(clip_layer, unclipped_desc_surface); CreateEffectNode(unclipped_desc_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(unclipped_desc_surface, unclipped_desc_surface2); CreateEffectNode(unclipped_desc_surface2).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(unclipped_desc_surface2, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); CopyProperties(clip_child, clipped_surface); CreateEffectNode(clipped_surface).render_surface_reason = RenderSurfaceReason::kTest; UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(50, 50), GetRenderSurface(unclipped_surface)->content_rect()); EXPECT_EQ(gfx::Rect(50, 50), GetRenderSurface(unclipped_desc_surface)->content_rect()); EXPECT_EQ(gfx::Rect(50, 50), GetRenderSurface(unclipped_desc_surface2)->content_rect()); EXPECT_EQ(gfx::Rect(50, 50), GetRenderSurface(clipped_surface)->content_rect()); } TEST_F(DrawPropertiesTest, ClipBetweenClipChildTargetAndClipParentTarget) { // Tests the value of render surface content rect when we have a layer that // clips between the clip parent's target and clip child's target. LayerImpl* root = root_layer(); LayerImpl* surface = AddLayer(); LayerImpl* clip_layer = AddLayer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* unclipped_desc_surface = AddLayer(); LayerImpl* clip_child = AddLayer(); root->SetBounds(gfx::Size(100, 100)); surface->SetBounds(gfx::Size(100, 100)); clip_layer->SetBounds(gfx::Size(20, 20)); clip_parent->SetBounds(gfx::Size(50, 50)); unclipped_desc_surface->SetBounds(gfx::Size(100, 100)); unclipped_desc_surface->SetDrawsContent(true); clip_child->SetBounds(gfx::Size(100, 100)); clip_child->SetDrawsContent(true); CopyProperties(root, surface); CreateTransformNode(surface).local.RotateAboutXAxis(10); CreateEffectNode(surface).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(surface); CopyProperties(surface, clip_layer); CreateClipNode(clip_layer); CopyProperties(clip_layer, clip_parent); CopyProperties(clip_parent, unclipped_desc_surface); CreateTransformNode(unclipped_desc_surface).local.Translate(10, 10); CreateEffectNode(unclipped_desc_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(unclipped_desc_surface, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(10, 10), GetRenderSurface(unclipped_desc_surface)->content_rect()); } TEST_F(DrawPropertiesTest, VisibleRectForDescendantOfScaledSurface) { LayerImpl* root = root_layer(); LayerImpl* surface = AddLayer(); LayerImpl* clip_layer = AddLayer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* unclipped_desc_surface = AddLayer(); LayerImpl* clip_child = AddLayer(); root->SetBounds(gfx::Size(100, 100)); surface->SetBounds(gfx::Size(100, 100)); clip_layer->SetBounds(gfx::Size(20, 20)); clip_parent->SetBounds(gfx::Size(50, 50)); unclipped_desc_surface->SetBounds(gfx::Size(100, 100)); unclipped_desc_surface->SetDrawsContent(true); clip_child->SetBounds(gfx::Size(100, 100)); clip_child->SetDrawsContent(true); CopyProperties(root, surface); CreateTransformNode(surface).local.Scale(2, 2); CreateEffectNode(surface).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(surface); CopyProperties(surface, clip_layer); CreateClipNode(clip_layer); CopyProperties(clip_layer, clip_parent); CopyProperties(clip_parent, unclipped_desc_surface); CreateEffectNode(unclipped_desc_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(unclipped_desc_surface, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(20, 20), clip_child->visible_layer_rect()); } TEST_F(DrawPropertiesTest, LayerWithInputHandlerAndZeroOpacity) { LayerImpl* root = root_layer(); LayerImpl* render_surface = AddLayer(); LayerImpl* test_layer = AddLayer(); gfx::Transform translation; translation.Translate(10, 10); root->SetBounds(gfx::Size(30, 30)); render_surface->SetBounds(gfx::Size(30, 30)); test_layer->SetBounds(gfx::Size(20, 20)); test_layer->SetDrawsContent(true); TouchActionRegion touch_action_region; touch_action_region.Union(TouchAction::kNone, gfx::Rect(0, 0, 20, 20)); test_layer->SetTouchActionRegion(std::move(touch_action_region)); CopyProperties(root, render_surface); CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(render_surface); CopyProperties(render_surface, test_layer); CreateTransformNode(test_layer).local = translation; CreateEffectNode(test_layer).opacity = 0.f; UpdateActiveTreeDrawProperties(); EXPECT_TRANSFORMATION_MATRIX_EQ(translation, test_layer->ScreenSpaceTransform()); } TEST_F(DrawPropertiesTest, ClipParentDrawsIntoScaledRootSurface) { LayerImpl* root = root_layer(); LayerImpl* clip_layer = AddLayer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* clip_parent_child = AddLayer(); LayerImpl* unclipped_desc_surface = AddLayer(); LayerImpl* clip_child = AddLayer(); root->SetBounds(gfx::Size(100, 100)); clip_layer->SetBounds(gfx::Size(20, 20)); clip_parent->SetBounds(gfx::Size(50, 50)); clip_parent_child->SetBounds(gfx::Size(20, 20)); unclipped_desc_surface->SetBounds(gfx::Size(100, 100)); unclipped_desc_surface->SetDrawsContent(true); clip_child->SetBounds(gfx::Size(100, 100)); clip_child->SetDrawsContent(true); CopyProperties(root, clip_layer); CreateClipNode(clip_layer); CopyProperties(clip_layer, clip_parent); CopyProperties(clip_parent, clip_parent_child); CreateClipNode(clip_parent_child); CopyProperties(clip_parent_child, unclipped_desc_surface); CreateTransformNode(unclipped_desc_surface).local.Translate(10, 10); CreateEffectNode(unclipped_desc_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(unclipped_desc_surface, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); float device_scale_factor = 1.f; UpdateActiveTreeDrawProperties(device_scale_factor); EXPECT_EQ(gfx::Rect(-10, -10, 20, 20), clip_child->clip_rect()); EXPECT_EQ(gfx::Rect(10, 10), clip_child->visible_layer_rect()); device_scale_factor = 2.f; UpdateActiveTreeDrawProperties(device_scale_factor); EXPECT_EQ(gfx::Rect(-20, -20, 40, 40), clip_child->clip_rect()); EXPECT_EQ(gfx::Rect(10, 10), clip_child->visible_layer_rect()); } TEST_F(DrawPropertiesTest, ClipChildVisibleRect) { LayerImpl* root = root_layer(); LayerImpl* clip_parent = AddLayer(); LayerImpl* render_surface = AddLayer(); LayerImpl* clip_child = AddLayer(); root->SetBounds(gfx::Size(30, 30)); clip_parent->SetBounds(gfx::Size(40, 40)); render_surface->SetBounds(gfx::Size(50, 50)); render_surface->SetDrawsContent(true); clip_child->SetBounds(gfx::Size(50, 50)); clip_child->SetDrawsContent(true); CopyProperties(root, clip_parent); CreateClipNode(clip_parent); CopyProperties(clip_parent, render_surface); CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(render_surface); CopyProperties(render_surface, clip_child); clip_child->SetClipTreeIndex(clip_parent->clip_tree_index()); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(30, 30), clip_child->visible_layer_rect()); } TEST_F(DrawPropertiesTest, LayerClipRectLargerThanClippingRenderSurfaceRect) { LayerImpl* root = root_layer(); LayerImpl* render_surface = AddLayer(); LayerImpl* test_layer = AddLayer(); root->SetBounds(gfx::Size(30, 30)); root->SetDrawsContent(true); render_surface->SetBounds(gfx::Size(50, 50)); render_surface->SetDrawsContent(true); test_layer->SetBounds(gfx::Size(50, 50)); test_layer->SetDrawsContent(true); CreateClipNode(root); CopyProperties(root, render_surface); CreateTransformNode(render_surface); CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; CreateClipNode(render_surface); CopyProperties(render_surface, test_layer); CreateClipNode(test_layer); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(30, 30), root->clip_rect()); EXPECT_EQ(gfx::Rect(50, 50), render_surface->clip_rect()); EXPECT_EQ(gfx::Rect(50, 50), test_layer->clip_rect()); } // Needs layer tree mode: hide_layer_and_subtree. TEST_F(DrawPropertiesTestWithLayerTree, SubtreeIsHiddenTest) { // Tests that subtree is hidden is updated. auto root = Layer::Create(); host()->SetRootLayer(root); auto hidden = Layer::Create(); root->AddChild(hidden); auto test = Layer::Create(); hidden->AddChild(test); root->SetBounds(gfx::Size(30, 30)); hidden->SetBounds(gfx::Size(30, 30)); hidden->SetForceRenderSurfaceForTesting(true); hidden->SetHideLayerAndSubtree(true); test->SetBounds(gfx::Size(30, 30)); test->SetForceRenderSurfaceForTesting(true); CommitAndActivate(); EXPECT_EQ( 0.f, GetRenderSurfaceImpl(test)->OwningEffectNode()->screen_space_opacity); hidden->SetHideLayerAndSubtree(false); CommitAndActivate(); EXPECT_EQ( 1.f, GetRenderSurfaceImpl(test)->OwningEffectNode()->screen_space_opacity); } TEST_F(DrawPropertiesTest, TwoUnclippedRenderSurfaces) { LayerImpl* root = root_layer(); LayerImpl* clip_layer = AddLayer(); LayerImpl* render_surface1 = AddLayer(); LayerImpl* render_surface2 = AddLayer(); LayerImpl* clip_child = AddLayer(); root->SetBounds(gfx::Size(30, 30)); clip_layer->SetBounds(gfx::Size(30, 30)); render_surface1->SetBounds(gfx::Size(30, 30)); render_surface1->SetDrawsContent(true); render_surface2->SetBounds(gfx::Size(30, 30)); render_surface2->SetDrawsContent(true); clip_child->SetBounds(gfx::Size(30, 30)); clip_child->SetDrawsContent(true); CreateClipNode(root); CopyProperties(root, clip_layer); CreateClipNode(clip_layer); CopyProperties(clip_layer, render_surface1); CreateTransformNode(render_surface1).post_translation = gfx::Vector2dF(10, 10); CreateEffectNode(render_surface1).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface1, render_surface2); CreateEffectNode(render_surface2).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface2, clip_child); clip_child->SetClipTreeIndex(root->clip_tree_index()); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Rect(-10, -10, 30, 30), render_surface2->clip_rect()); } // Needs layer tree mode: mask layer. TEST_F(DrawPropertiesTestWithLayerTree, MaskLayerDrawProperties) { // Tests that a mask layer's draw properties are computed correctly. auto root = Layer::Create(); host()->SetRootLayer(root); auto child = Layer::Create(); root->AddChild(child); FakeContentLayerClient client; auto mask = PictureLayer::Create(&client); child->SetMaskLayer(mask); gfx::Transform transform; transform.Translate(10, 10); root->SetBounds(gfx::Size(40, 40)); root->SetIsDrawable(true); child->SetTransform(transform); child->SetBounds(gfx::Size(30, 30)); child->SetIsDrawable(true); child->SetOpacity(0.f); mask->SetBounds(gfx::Size(30, 30)); CommitAndActivate(); // The render surface created for the mask has no contributing content, so the // mask doesn't contribute to a drawn render surface. This means it has an // empty visible rect, but its screen space transform can still be computed // correctly on-demand. EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(mask)->contributes_to_drawn_render_surface()); EXPECT_EQ(gfx::Rect(), ImplOf(mask)->visible_layer_rect()); EXPECT_TRANSFORMATION_MATRIX_EQ(transform, ImplOf(mask)->ScreenSpaceTransform()); // Make the child's render surface have contributing content. child->SetOpacity(1.f); CommitAndActivate(); EXPECT_TRUE(ImplOf(mask)->contributes_to_drawn_render_surface()); EXPECT_EQ(gfx::Rect(30, 30), ImplOf(mask)->visible_layer_rect()); EXPECT_TRANSFORMATION_MATRIX_EQ(transform, ImplOf(mask)->ScreenSpaceTransform()); transform.Translate(10, 10); child->SetTransform(transform); CommitAndActivate(); EXPECT_TRANSFORMATION_MATRIX_EQ(transform, ImplOf(mask)->ScreenSpaceTransform()); EXPECT_EQ(gfx::Rect(20, 20), ImplOf(mask)->visible_layer_rect()); // For now SetIsDrawable of masked layer doesn't affect draw properties of // the mask layer because it doesn't affect property trees. child->SetIsDrawable(false); CommitAndActivate(); EXPECT_TRUE(ImplOf(mask)->contributes_to_drawn_render_surface()); // SetIsDrawable of mask layer itself affects its draw properties. mask->SetIsDrawable(false); CommitAndActivate(); EXPECT_FALSE(ImplOf(mask)->contributes_to_drawn_render_surface()); } TEST_F(DrawPropertiesTest, SublayerScaleWithTransformNodeBetweenTwoTargets) { LayerImpl* root = root_layer(); LayerImpl* render_surface1 = AddLayer(); LayerImpl* between_targets = AddLayer(); LayerImpl* render_surface2 = AddLayer(); LayerImpl* test_layer = AddLayer(); gfx::Transform scale; scale.Scale(2.f, 2.f); root->SetBounds(gfx::Size(30, 30)); render_surface1->SetBounds(gfx::Size(30, 30)); between_targets->SetBounds(gfx::Size(30, 30)); render_surface2->SetBounds(gfx::Size(30, 30)); test_layer->SetBounds(gfx::Size(30, 30)); test_layer->SetDrawsContent(true); // We want layer between the two targets to create a clip node and effect // node but it shouldn't create a render surface. CopyProperties(root, render_surface1); CreateTransformNode(render_surface1).local = scale; CreateEffectNode(render_surface1).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface1, between_targets); CreateEffectNode(between_targets).opacity = 0.5f; CreateClipNode(between_targets); CopyProperties(between_targets, render_surface2); CreateEffectNode(render_surface2).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface2, test_layer); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::Vector2dF(2.f, 2.f), GetEffectNode(render_surface1)->surface_contents_scale); EXPECT_EQ(gfx::Vector2dF(1.f, 1.f), GetEffectNode(between_targets)->surface_contents_scale); EXPECT_EQ(gfx::Vector2dF(2.f, 2.f), GetEffectNode(render_surface2)->surface_contents_scale); EXPECT_EQ(gfx::Rect(15, 15), test_layer->visible_layer_rect()); } TEST_F(DrawPropertiesTest, NoisyTransform) { LayerImpl* root = root_layer(); LayerImpl* render_surface = AddLayer(); LayerImpl* parent = AddLayer(); LayerImpl* child = AddLayer(); root->SetBounds(gfx::Size(30, 30)); parent->SetBounds(gfx::Size(30, 30)); parent->SetDrawsContent(true); child->SetBounds(gfx::Size(30, 30)); child->SetDrawsContent(true); // A noisy transform that's invertible. gfx::Transform transform; transform.matrix().setDouble(0, 0, 6.12323e-17); transform.matrix().setDouble(0, 2, 1); transform.matrix().setDouble(2, 2, 6.12323e-17); transform.matrix().setDouble(2, 0, -1); CopyProperties(root, render_surface); CreateTransformNode(render_surface).local = transform; CreateEffectNode(render_surface).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface, parent); CopyProperties(parent, child); CreateTransformNode(child).local = transform; UpdateActiveTreeDrawProperties(); gfx::Transform expected; expected.matrix().setDouble(0, 0, 3.749395e-33); expected.matrix().setDouble(0, 2, 6.12323e-17); expected.matrix().setDouble(2, 0, -1); expected.matrix().setDouble(2, 2, 6.12323e-17); EXPECT_TRANSFORMATION_MATRIX_EQ(expected, child->ScreenSpaceTransform()); } TEST_F(DrawPropertiesTest, LargeTransformTest) { LayerImpl* root = root_layer(); LayerImpl* render_surface1 = AddLayer(); LayerImpl* child = AddLayer(); child->SetDrawsContent(true); gfx::Transform large_transform; large_transform.Scale(99999999999999999999.f, 99999999999999999999.f); large_transform.Scale(9999999999999999999.f, 9999999999999999999.f); EXPECT_TRUE(std::isinf(large_transform.matrix().get(0, 0))); EXPECT_TRUE(std::isinf(large_transform.matrix().get(1, 1))); root->SetBounds(gfx::Size(30, 30)); render_surface1->SetBounds(gfx::Size(30, 30)); // TODO(sunxd): we make child have no render surface, because if the // child has one, the large transform applied to child will result in NaNs in // the draw_transform of the render_surface, thus make draw property updates // skip the child layer. We need further investigation into this to know // what exactly happens here. child->SetBounds(gfx::Size(30, 30)); CopyProperties(root, render_surface1); CreateEffectNode(render_surface1).render_surface_reason = RenderSurfaceReason::kTest; CopyProperties(render_surface1, child); CreateTransformNode(child).local = large_transform; CreateClipNode(child); UpdateActiveTreeDrawProperties(); EXPECT_EQ(gfx::RectF(), GetRenderSurface(render_surface1)->DrawableContentRect()); bool is_inf_or_nan = std::isinf(child->DrawTransform().matrix().get(0, 0)) || std::isnan(child->DrawTransform().matrix().get(0, 0)); EXPECT_TRUE(is_inf_or_nan); is_inf_or_nan = std::isinf(child->DrawTransform().matrix().get(1, 1)) || std::isnan(child->DrawTransform().matrix().get(1, 1)); EXPECT_TRUE(is_inf_or_nan); // The root layer should be in the RenderSurfaceList. EXPECT_TRUE(base::Contains(GetRenderSurfaceList(), GetRenderSurface(root))); } #if DCHECK_IS_ON() class DrawPropertiesTestDoubleBlurCheck : public DrawPropertiesTestBase, public testing::Test { public: DrawPropertiesTestDoubleBlurCheck() : DrawPropertiesTestBase(GetTestLayerTreeSettings()) {} private: static LayerTreeSettings GetTestLayerTreeSettings() { LayerTreeSettings s; s.log_on_ui_double_background_blur = true; return s; } }; TEST_F(DrawPropertiesTestDoubleBlurCheck, CheckForNoDoubleBlurTest) { auto root = Layer::Create(); host()->SetRootLayer(root); auto child_1 = Layer::Create(); auto child_2 = Layer::Create(); root->AddChild(child_1); root->AddChild(child_2); child_1->SetIsDrawable(true); child_2->SetIsDrawable(true); root->SetBounds(gfx::Size(100, 100)); child_1->SetBounds(gfx::Size(10, 20)); child_2->SetBounds(gfx::Size(30, 30)); FilterOperations blur_filter; blur_filter.Append(FilterOperation::CreateBlurFilter(2.0)); child_1->SetBackdropFilters(blur_filter); child_2->SetBackdropFilters(blur_filter); ASSERT_DEATH_IF_SUPPORTED(CommitAndActivate(), ""); gfx::Transform transform; transform.Translate(gfx::Vector2dF(10.0f, 20.0f)); child_2->SetTransform(transform); // There should be no crash here. CommitAndActivate(); auto grandchild = Layer::Create(); grandchild->SetIsDrawable(true); grandchild->SetBounds(gfx::Size(20, 10)); grandchild->SetBackdropFilters(blur_filter); child_1->AddChild(grandchild); grandchild->SetTransform(transform); ASSERT_DEATH_IF_SUPPORTED(CommitAndActivate(), ""); } #endif // In layer tree mode, not using impl-side PropertyTreeBuilder. TEST_F(DrawPropertiesTestWithLayerTree, OpacityAnimationsTrackingTest) { scoped_refptr root = Layer::Create(); scoped_refptr animated = Layer::Create(); animated->SetIsDrawable(true); root->AddChild(animated); host()->SetRootLayer(root); host()->SetElementIdsForTesting(); root->SetBounds(gfx::Size(100, 100)); root->SetForceRenderSurfaceForTesting(true); animated->SetBounds(gfx::Size(20, 20)); animated->SetOpacity(0.f); scoped_refptr animation = Animation::Create(AnimationIdProvider::NextAnimationId()); timeline()->AttachAnimation(animation); animation->AttachElement(animated->element_id()); int keyframe_model_id = 0; std::unique_ptr keyframe_model = KeyframeModel::Create( std::unique_ptr(new FakeFloatTransition(1.0, 0.f, 1.f)), keyframe_model_id, 1, TargetProperty::OPACITY); keyframe_model->set_fill_mode(KeyframeModel::FillMode::NONE); keyframe_model->set_time_offset(base::TimeDelta::FromMilliseconds(-1000)); KeyframeModel* keyframe_model_ptr = keyframe_model.get(); AddKeyframeModelToElementWithExistingKeyframeEffect( animated->element_id(), timeline(), std::move(keyframe_model)); UpdateMainDrawProperties(); EffectNode* node = GetEffectNode(animated.get()); EXPECT_FALSE(node->is_currently_animating_opacity); EXPECT_TRUE(node->has_potential_opacity_animation); keyframe_model_ptr->set_time_offset(base::TimeDelta::FromMilliseconds(0)); host()->AnimateLayers(base::TimeTicks::Max()); node = GetEffectNode(animated.get()); EXPECT_TRUE(node->is_currently_animating_opacity); EXPECT_TRUE(node->has_potential_opacity_animation); animation->AbortKeyframeModelsWithProperty(TargetProperty::OPACITY, false /*needs_completion*/); node = GetEffectNode(animated.get()); EXPECT_FALSE(node->is_currently_animating_opacity); EXPECT_FALSE(node->has_potential_opacity_animation); } // In layer tree mode, not using impl-side PropertyTreeBuilder. TEST_F(DrawPropertiesTestWithLayerTree, TransformAnimationsTrackingTest) { scoped_refptr root = Layer::Create(); scoped_refptr animated = Layer::Create(); animated->SetIsDrawable(true); root->AddChild(animated); host()->SetRootLayer(root); host()->SetElementIdsForTesting(); root->SetBounds(gfx::Size(100, 100)); root->SetForceRenderSurfaceForTesting(true); animated->SetBounds(gfx::Size(20, 20)); scoped_refptr animation = Animation::Create(AnimationIdProvider::NextAnimationId()); timeline()->AttachAnimation(animation); animation->AttachElement(animated->element_id()); std::unique_ptr curve( KeyframedTransformAnimationCurve::Create()); TransformOperations start; start.AppendTranslate(1.f, 2.f, 3.f); gfx::Transform transform; transform.Scale3d(1.0, 2.0, 3.0); TransformOperations operation; operation.AppendMatrix(transform); curve->AddKeyframe( TransformKeyframe::Create(base::TimeDelta(), start, nullptr)); curve->AddKeyframe(TransformKeyframe::Create( base::TimeDelta::FromSecondsD(1.0), operation, nullptr)); std::unique_ptr keyframe_model( KeyframeModel::Create(std::move(curve), 3, 3, TargetProperty::TRANSFORM)); keyframe_model->set_fill_mode(KeyframeModel::FillMode::NONE); keyframe_model->set_time_offset(base::TimeDelta::FromMilliseconds(-1000)); KeyframeModel* keyframe_model_ptr = keyframe_model.get(); AddKeyframeModelToElementWithExistingKeyframeEffect( animated->element_id(), timeline(), std::move(keyframe_model)); UpdateMainDrawProperties(); TransformNode* node = GetTransformNode(animated.get()); EXPECT_FALSE(node->is_currently_animating); EXPECT_TRUE(node->has_potential_animation); keyframe_model_ptr->set_time_offset(base::TimeDelta::FromMilliseconds(0)); host()->AnimateLayers(base::TimeTicks::Max()); node = GetTransformNode(animated.get()); EXPECT_TRUE(node->is_currently_animating); EXPECT_TRUE(node->has_potential_animation); animation->AbortKeyframeModelsWithProperty(TargetProperty::TRANSFORM, false /*needs_completion*/); node = GetTransformNode(animated.get()); EXPECT_FALSE(node->is_currently_animating); EXPECT_FALSE(node->has_potential_animation); } // Needs layer tree mode: copy request. TEST_F(DrawPropertiesTestWithLayerTree, CopyRequestScalingTest) { auto root = Layer::Create(); host()->SetRootLayer(root); auto scale_layer = Layer::Create(); root->AddChild(scale_layer); auto copy_layer = Layer::Create(); scale_layer->AddChild(copy_layer); auto clip_layer = Layer::Create(); copy_layer->AddChild(clip_layer); auto test_layer = Layer::Create(); clip_layer->AddChild(test_layer); root->SetBounds(gfx::Size(150, 150)); scale_layer->SetBounds(gfx::Size(30, 30)); gfx::Transform transform; transform.Scale(5.f, 5.f); scale_layer->SetTransform(transform); // Need to persist the render surface after copy request is cleared. copy_layer->SetForceRenderSurfaceForTesting(true); copy_layer->RequestCopyOfOutput( viz::CopyOutputRequest::CreateStubForTesting()); clip_layer->SetIsDrawable(true); clip_layer->SetMasksToBounds(true); clip_layer->SetBounds(gfx::Size(10, 10)); test_layer->SetIsDrawable(true); test_layer->SetMasksToBounds(true); test_layer->SetBounds(gfx::Size(20, 20)); CommitAndActivate(); // Check surface with copy request draw properties. EXPECT_EQ(gfx::Rect(50, 50), GetRenderSurfaceImpl(copy_layer)->content_rect()); EXPECT_EQ(gfx::Transform(), GetRenderSurfaceImpl(copy_layer)->draw_transform()); EXPECT_EQ(gfx::RectF(50.0f, 50.0f), GetRenderSurfaceImpl(copy_layer)->DrawableContentRect()); // Check test layer draw properties. EXPECT_EQ(gfx::Rect(10, 10), ImplOf(test_layer)->visible_layer_rect()); EXPECT_EQ(transform, ImplOf(test_layer)->DrawTransform()); EXPECT_EQ(gfx::Rect(50, 50), ImplOf(test_layer)->clip_rect()); EXPECT_EQ(gfx::Rect(50, 50), ImplOf(test_layer)->visible_drawable_content_rect()); // Clear the copy request and call UpdateSurfaceContentsScale. GetPropertyTrees(root.get())->effect_tree.ClearCopyRequests(); CommitAndActivate(); } // Needs layer tree mode: hide_layer_and_subtree, etc. TEST_F(DrawPropertiesTestWithLayerTree, SubtreeHiddenWithCacheRenderSurface) { auto root = Layer::Create(); host()->SetRootLayer(root); root->SetBounds(gfx::Size(50, 50)); root->SetIsDrawable(true); auto cache_grand_parent_sibling_before = Layer::Create(); root->AddChild(cache_grand_parent_sibling_before); cache_grand_parent_sibling_before->SetBounds(gfx::Size(40, 40)); cache_grand_parent_sibling_before->SetIsDrawable(true); auto cache_grand_parent = Layer::Create(); root->AddChild(cache_grand_parent); cache_grand_parent->SetBounds(gfx::Size(40, 40)); cache_grand_parent->SetIsDrawable(true); auto cache_parent = Layer::Create(); cache_grand_parent->AddChild(cache_parent); cache_parent->SetBounds(gfx::Size(30, 30)); cache_parent->SetIsDrawable(true); cache_parent->SetForceRenderSurfaceForTesting(true); auto cache_render_surface = Layer::Create(); cache_parent->AddChild(cache_render_surface); cache_render_surface->SetBounds(gfx::Size(20, 20)); cache_render_surface->SetIsDrawable(true); cache_render_surface->SetCacheRenderSurface(true); auto cache_child = Layer::Create(); cache_render_surface->AddChild(cache_child); cache_child->SetBounds(gfx::Size(20, 20)); cache_child->SetIsDrawable(true); auto cache_grand_child = Layer::Create(); cache_child->AddChild(cache_grand_child); cache_grand_child->SetBounds(gfx::Size(20, 20)); cache_grand_child->SetIsDrawable(true); auto cache_grand_parent_sibling_after = Layer::Create(); root->AddChild(cache_grand_parent_sibling_after); cache_grand_parent_sibling_after->SetBounds(gfx::Size(40, 40)); cache_grand_parent_sibling_after->SetIsDrawable(true); // Hide the cache_grand_parent and its subtree. But cache a render surface in // that hidden subtree on cache_layer. Also hide the cache grand child and its // subtree. cache_grand_parent->SetHideLayerAndSubtree(true); cache_grand_parent_sibling_before->SetHideLayerAndSubtree(true); cache_grand_parent_sibling_after->SetHideLayerAndSubtree(true); cache_grand_child->SetHideLayerAndSubtree(true); CommitAndActivate(); // We should have four render surfaces, one for the root, one for the grand // parent since it has opacity and two drawing descendants, one for the parent // since it owns a surface, and one for the cache. ASSERT_EQ(4u, GetRenderSurfaceList().size()); EXPECT_EQ(static_cast(root->id()), GetRenderSurfaceList().at(0)->id()); EXPECT_EQ(static_cast(cache_grand_parent->id()), GetRenderSurfaceList().at(1)->id()); EXPECT_EQ(static_cast(cache_parent->id()), GetRenderSurfaceList().at(2)->id()); EXPECT_EQ(static_cast(cache_render_surface->id()), GetRenderSurfaceList().at(3)->id()); // The root render surface should have 2 contributing layers. EXPECT_EQ(2, GetRenderSurfaceImpl(root)->num_contributors()); EXPECT_TRUE(ImplOf(root)->contributes_to_drawn_render_surface()); EXPECT_FALSE( ImplOf(cache_grand_parent)->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(cache_grand_parent_sibling_before) ->contributes_to_drawn_render_surface()); EXPECT_FALSE(ImplOf(cache_grand_parent_sibling_after) ->contributes_to_drawn_render_surface()); // Nothing actually draws into the cache parent, so only the cache will // appear in its list, since it needs to be drawn for the cache render // surface. ASSERT_EQ(1, GetRenderSurfaceImpl(cache_parent)->num_contributors()); EXPECT_FALSE(ImplOf(cache_parent)->contributes_to_drawn_render_surface()); // The cache layer's render surface should have 2 contributing layers. ASSERT_EQ(2, GetRenderSurfaceImpl(cache_render_surface)->num_contributors()); EXPECT_TRUE( ImplOf(cache_render_surface)->contributes_to_drawn_render_surface()); EXPECT_TRUE(ImplOf(cache_child)->contributes_to_drawn_render_surface()); EXPECT_FALSE( ImplOf(cache_grand_child)->contributes_to_drawn_render_surface()); // cache_grand_parent, cache_parent shouldn't be drawn because they are // hidden, but the cache and cache_child should be drawn for the cache // render surface. cache grand child should not be drawn as its hidden even in // the cache render surface. EXPECT_FALSE(GetEffectNode(ImplOf(cache_grand_parent))->is_drawn); EXPECT_FALSE(GetEffectNode(ImplOf(cache_parent))->is_drawn); EXPECT_TRUE(GetEffectNode(ImplOf(cache_render_surface))->is_drawn); EXPECT_TRUE(GetEffectNode(ImplOf(cache_child))->is_drawn); EXPECT_FALSE(GetEffectNode(ImplOf(cache_grand_child))->is_drawn); // Though cache is drawn, it shouldn't contribute to drawn surface as // its actually hidden. EXPECT_FALSE(GetRenderSurfaceImpl(cache_render_surface) ->contributes_to_drawn_surface()); } // Needs layer tree mode: copy request. TEST_F(DrawPropertiesTestWithLayerTree, VisibleRectInNonRootCacheRenderSurface) { auto root = Layer::Create(); host()->SetRootLayer(root); root->SetBounds(gfx::Size(50, 50)); root->SetIsDrawable(true); root->SetMasksToBounds(true); auto cache_render_surface_layer = Layer::Create(); root->AddChild(cache_render_surface_layer); cache_render_surface_layer->SetBounds(gfx::Size(120, 120)); cache_render_surface_layer->SetIsDrawable(true); cache_render_surface_layer->SetCacheRenderSurface(true); auto copy_layer = Layer::Create(); cache_render_surface_layer->AddChild(copy_layer); copy_layer->SetBounds(gfx::Size(100, 100)); copy_layer->SetIsDrawable(true); copy_layer->SetForceRenderSurfaceForTesting(true); auto copy_child = Layer::Create(); copy_layer->AddChild(copy_child); copy_child->SetPosition(gfx::PointF(40.f, 40.f)); copy_child->SetBounds(gfx::Size(20, 20)); copy_child->SetIsDrawable(true); auto copy_clip = Layer::Create(); copy_layer->AddChild(copy_clip); copy_clip->SetBounds(gfx::Size(55, 55)); copy_clip->SetMasksToBounds(true); auto copy_clipped_child = Layer::Create(); copy_clip->AddChild(copy_clipped_child); copy_clipped_child->SetPosition(gfx::PointF(40.f, 40.f)); copy_clipped_child->SetBounds(gfx::Size(20, 20)); copy_clipped_child->SetIsDrawable(true); auto cache_surface = Layer::Create(); copy_clip->AddChild(cache_surface); cache_surface->SetPosition(gfx::PointF(45.f, 45.f)); cache_surface->SetBounds(gfx::Size(20, 20)); cache_surface->SetIsDrawable(true); CommitAndActivate(); EXPECT_EQ(gfx::Rect(120, 120), ImplOf(cache_render_surface_layer)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(100, 100), ImplOf(copy_layer)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(20, 20), ImplOf(copy_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(15, 15), ImplOf(copy_clipped_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(cache_surface)->visible_layer_rect()); // Case 2: When the non root cache render surface layer is clipped. cache_render_surface_layer->SetBounds(gfx::Size(50, 50)); cache_render_surface_layer->SetMasksToBounds(true); CommitAndActivate(); EXPECT_EQ(gfx::Rect(50, 50), ImplOf(cache_render_surface_layer)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(50, 50), ImplOf(copy_layer)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_clipped_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(5, 5), ImplOf(cache_surface)->visible_layer_rect()); // Case 3: When there is device scale factor. float device_scale_factor = 2.f; CommitAndActivate(device_scale_factor); EXPECT_EQ(gfx::Rect(50, 50), ImplOf(cache_render_surface_layer)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(50, 50), ImplOf(copy_layer)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_clipped_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(5, 5), ImplOf(cache_surface)->visible_layer_rect()); // Case 4: When the non root cache render surface layer is clipped and there // is a copy request layer beneath it. copy_layer->RequestCopyOfOutput( viz::CopyOutputRequest::CreateStubForTesting()); ASSERT_TRUE(copy_layer->HasCopyRequest()); CommitAndActivate(); ASSERT_FALSE(copy_layer->HasCopyRequest()); EXPECT_EQ(gfx::Rect(50, 50), ImplOf(cache_render_surface_layer)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(100, 100), ImplOf(copy_layer)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(20, 20), ImplOf(copy_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(15, 15), ImplOf(copy_clipped_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(10, 10), ImplOf(cache_surface)->visible_layer_rect()); // Case 5: When there is another cache render surface layer under the copy // request layer. cache_surface->SetCacheRenderSurface(true); copy_layer->RequestCopyOfOutput( viz::CopyOutputRequest::CreateStubForTesting()); ASSERT_TRUE(copy_layer->HasCopyRequest()); CommitAndActivate(); ASSERT_FALSE(copy_layer->HasCopyRequest()); EXPECT_EQ(gfx::Rect(50, 50), ImplOf(cache_render_surface_layer)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(100, 100), ImplOf(copy_layer)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(20, 20), ImplOf(copy_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(15, 15), ImplOf(copy_clipped_child)->visible_layer_rect()); EXPECT_EQ(gfx::Rect(20, 20), ImplOf(cache_surface)->visible_layer_rect()); } // In layer tree mode, not using impl-side PropertyTreeBuilder. TEST_F(DrawPropertiesTestWithLayerTree, CustomLayerClipBounds) { // The custom clip API should have the same effect as if an intermediate // clip layer has been added to the layer tree. To check this the test creates // 2 subtree for a root layer. One of the subtree uses the clip API to clip // its subtree while the other uses an intermediate layer. The resulting clip // in draw properties are expected to be the same. // -Root // - Parent [Clip set to |kClipBounds| using API] // - Child // - Clip Layer [Masks to bounds = true] [Layer bounds set to |kClipBounds|] // - Expected Parent // - Expected Child constexpr float kDeviceScale = 1.f; const gfx::Rect kRootLayerBounds(0, 0, 100, 100); const gfx::Rect kParentLayerBounds(0, 0, 50, 100); const gfx::Rect kChildLayerBounds(20, 20, 30, 60); constexpr gfx::Rect kClipBounds(10, 10, 50, 50); // The position of |Expected Parent| on screen should be same as |Parent|. const gfx::Rect kExpectedParentLayerBounds( gfx::Point(0, 0) - kClipBounds.OffsetFromOrigin(), gfx::Size(50, 100)); scoped_refptr root = Layer::Create(); scoped_refptr parent = Layer::Create(); scoped_refptr child = Layer::Create(); scoped_refptr clip_layer = Layer::Create(); scoped_refptr expected_parent = Layer::Create(); scoped_refptr expected_child = Layer::Create(); root->AddChild(parent); parent->AddChild(child); root->AddChild(clip_layer); clip_layer->AddChild(expected_parent); expected_parent->AddChild(expected_child); host()->SetRootLayer(root); root->SetIsDrawable(true); parent->SetIsDrawable(true); child->SetIsDrawable(true); expected_parent->SetIsDrawable(true); expected_child->SetIsDrawable(true); // Set layer positions. root->SetPosition(gfx::PointF(kRootLayerBounds.origin())); parent->SetPosition(gfx::PointF(kParentLayerBounds.origin())); child->SetPosition(gfx::PointF(kChildLayerBounds.origin())); clip_layer->SetPosition(gfx::PointF(kClipBounds.origin())); expected_parent->SetPosition( gfx::PointF(kExpectedParentLayerBounds.origin())); expected_child->SetPosition(gfx::PointF(kChildLayerBounds.origin())); root->SetBounds(kRootLayerBounds.size()); parent->SetBounds(kParentLayerBounds.size()); child->SetBounds(kChildLayerBounds.size()); clip_layer->SetBounds(kClipBounds.size()); expected_parent->SetBounds(kExpectedParentLayerBounds.size()); expected_child->SetBounds(kChildLayerBounds.size()); parent->SetClipRect(kClipBounds); clip_layer->SetMasksToBounds(true); UpdateMainDrawProperties(kDeviceScale); EXPECT_EQ(GetClipNode(parent.get())->clip, gfx::RectF(kClipBounds)); EXPECT_TRUE(!parent->clip_rect().IsEmpty()); EXPECT_EQ(GetClipNode(child.get())->clip, gfx::RectF(kClipBounds)); CommitAndActivate(kDeviceScale); LayerTreeImpl* layer_tree_impl = host()->host_impl()->active_tree(); // Get the layer impl for each Layer. LayerImpl* parent_impl = layer_tree_impl->LayerById(parent->id()); LayerImpl* child_impl = layer_tree_impl->LayerById(child->id()); LayerImpl* expected_parent_impl = layer_tree_impl->LayerById(expected_parent->id()); LayerImpl* expected_child_impl = layer_tree_impl->LayerById(expected_child->id()); EXPECT_EQ(kDeviceScale, layer_tree_impl->device_scale_factor()); EXPECT_TRUE(parent_impl->is_clipped()); EXPECT_TRUE(child_impl->is_clipped()); ASSERT_TRUE(expected_parent_impl->is_clipped()); ASSERT_TRUE(expected_child_impl->is_clipped()); EXPECT_EQ(parent_impl->clip_rect(), expected_parent_impl->clip_rect()); EXPECT_EQ(child_impl->clip_rect(), expected_child_impl->clip_rect()); } // In layer tree mode, not using impl-side PropertyTreeBuilder. TEST_F(DrawPropertiesTestWithLayerTree, CustomLayerClipBoundsWithMaskToBounds) { // The custom clip API should have the same effect as if an intermediate // clip layer has been added to the layer tree. To check this the test creates // 2 subtree for a root layer. One of the subtree uses the clip API to clip // its subtree while the other uses an intermediate layer. The resulting clip // in draw properties are expected to be the same. In this test, the subtree // roots also have their masks to bounds property set. // -Root // - Parent [Clip set to |kClipBounds| using API] // - Child // - Clip Layer [Masks to bounds = true] [Layer bounds set to |kClipBounds|] // - Expected Parent [Masks to bounds = true] // - Expected Child constexpr float kDeviceScale = 1.f; const gfx::Rect kRootLayerBounds(0, 0, 100, 100); const gfx::Rect kParentLayerBounds(0, 0, 50, 100); const gfx::Rect kChildLayerBounds(20, 20, 30, 60); constexpr gfx::Rect kClipBounds(10, 10, 50, 50); // The position of |Expected Parent| on screen should be same as |Parent|. const gfx::Rect kExpectedParentLayerBounds( gfx::Point(0, 0) - kClipBounds.OffsetFromOrigin(), gfx::Size(50, 100)); scoped_refptr root = Layer::Create(); scoped_refptr parent = Layer::Create(); scoped_refptr child = Layer::Create(); scoped_refptr clip_layer = Layer::Create(); scoped_refptr expected_parent = Layer::Create(); scoped_refptr expected_child = Layer::Create(); root->AddChild(parent); parent->AddChild(child); root->AddChild(clip_layer); clip_layer->AddChild(expected_parent); expected_parent->AddChild(expected_child); host()->SetRootLayer(root); root->SetIsDrawable(true); parent->SetIsDrawable(true); child->SetIsDrawable(true); expected_parent->SetIsDrawable(true); expected_child->SetIsDrawable(true); // Set layer positions. root->SetPosition(gfx::PointF(kRootLayerBounds.origin())); parent->SetPosition(gfx::PointF(kParentLayerBounds.origin())); child->SetPosition(gfx::PointF(kChildLayerBounds.origin())); clip_layer->SetPosition(gfx::PointF(kClipBounds.origin())); expected_parent->SetPosition( gfx::PointF(kExpectedParentLayerBounds.origin())); expected_child->SetPosition(gfx::PointF(kChildLayerBounds.origin())); root->SetBounds(kRootLayerBounds.size()); parent->SetBounds(kParentLayerBounds.size()); child->SetBounds(kChildLayerBounds.size()); clip_layer->SetBounds(kClipBounds.size()); expected_parent->SetBounds(kExpectedParentLayerBounds.size()); expected_child->SetBounds(kChildLayerBounds.size()); parent->SetClipRect(kClipBounds); parent->SetMasksToBounds(true); clip_layer->SetMasksToBounds(true); expected_parent->SetMasksToBounds(true); UpdateMainDrawProperties(kDeviceScale); const gfx::RectF expected_clip_bounds = gfx::IntersectRects( gfx::RectF(kClipBounds), gfx::RectF(kParentLayerBounds)); EXPECT_EQ(GetClipNode(parent.get())->clip, expected_clip_bounds); EXPECT_TRUE(!parent->clip_rect().IsEmpty()); EXPECT_EQ(GetClipNode(child.get())->clip, expected_clip_bounds); CommitAndActivate(kDeviceScale); LayerTreeImpl* layer_tree_impl = host()->host_impl()->active_tree(); // Get the layer impl for each Layer. LayerImpl* parent_impl = layer_tree_impl->LayerById(parent->id()); LayerImpl* child_impl = layer_tree_impl->LayerById(child->id()); LayerImpl* expected_parent_impl = layer_tree_impl->LayerById(expected_parent->id()); LayerImpl* expected_child_impl = layer_tree_impl->LayerById(expected_child->id()); EXPECT_EQ(kDeviceScale, layer_tree_impl->device_scale_factor()); EXPECT_TRUE(parent_impl->is_clipped()); EXPECT_TRUE(child_impl->is_clipped()); ASSERT_TRUE(expected_parent_impl->is_clipped()); ASSERT_TRUE(expected_child_impl->is_clipped()); EXPECT_EQ(parent_impl->clip_rect(), expected_parent_impl->clip_rect()); EXPECT_EQ(child_impl->clip_rect(), expected_child_impl->clip_rect()); } // In layer tree mode, not using impl-side PropertyTreeBuilder. TEST_F(DrawPropertiesTestWithLayerTree, RoundedCornerOnRenderSurface) { // -Root // - Parent 1 // - [Render Surface] Child 1 with rounded corner // - [Render Surface] Parent 2 with rounded corner // - [Render Surface] Child 2 // - Parent 3 with rounded corner // - [Render Surface] Child 3 scoped_refptr root = Layer::Create(); host()->SetRootLayer(root); root->SetBounds(gfx::Size(250, 250)); root->SetIsDrawable(true); scoped_refptr parent_1 = Layer::Create(); root->AddChild(parent_1); parent_1->SetBounds(gfx::Size(80, 80)); parent_1->SetPosition(gfx::PointF(0, 0)); parent_1->SetIsDrawable(true); scoped_refptr parent_2 = Layer::Create(); root->AddChild(parent_2); parent_2->SetBounds(gfx::Size(80, 80)); parent_1->SetPosition(gfx::PointF(80, 80)); parent_2->SetIsDrawable(true); parent_2->SetForceRenderSurfaceForTesting(true); parent_2->SetRoundedCorner(gfx::RoundedCornersF(10.f)); parent_2->SetIsFastRoundedCorner(true); scoped_refptr parent_3 = Layer::Create(); root->AddChild(parent_3); parent_3->SetBounds(gfx::Size(80, 80)); parent_1->SetPosition(gfx::PointF(160, 160)); parent_3->SetIsDrawable(true); parent_3->SetRoundedCorner(gfx::RoundedCornersF(10.f)); parent_3->SetIsFastRoundedCorner(true); scoped_refptr child_1 = Layer::Create(); parent_1->AddChild(child_1); child_1->SetBounds(gfx::Size(80, 80)); child_1->SetIsDrawable(true); child_1->SetForceRenderSurfaceForTesting(true); child_1->SetRoundedCorner(gfx::RoundedCornersF(10.f)); child_1->SetIsFastRoundedCorner(true); scoped_refptr child_2 = Layer::Create(); parent_2->AddChild(child_2); child_2->SetBounds(gfx::Size(80, 80)); child_2->SetIsDrawable(true); child_2->SetForceRenderSurfaceForTesting(true); scoped_refptr child_3 = Layer::Create(); parent_3->AddChild(child_3); child_3->SetBounds(gfx::Size(80, 80)); child_3->SetIsDrawable(true); child_3->SetForceRenderSurfaceForTesting(true); UpdateMainDrawProperties(); CommitAndActivate(); EXPECT_FALSE( GetRenderSurfaceImpl(child_1)->rounded_corner_bounds().IsEmpty()); EXPECT_FALSE( GetRenderSurfaceImpl(child_2)->rounded_corner_bounds().IsEmpty()); EXPECT_FALSE( GetRenderSurfaceImpl(child_3)->rounded_corner_bounds().IsEmpty()); } } // namespace } // namespace cc