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property_tree_unittest.cc
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property_tree_unittest.cc
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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/trees/property_tree.h"
#include "cc/input/main_thread_scrolling_reason.h"
#include "cc/proto/property_tree.pb.h"
#include "cc/test/geometry_test_utils.h"
#include "cc/trees/draw_property_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
TEST(PropertyTreeSerializationTest, TransformNodeDataSerialization) {
TransformNodeData original;
original.pre_local.Translate3d(1.f, 2.f, 3.f);
original.local.Translate3d(3.f, 1.f, 5.f);
original.post_local.Translate3d(1.f, 8.f, 3.f);
original.to_parent.Translate3d(3.2f, 2.f, 3.f);
original.source_node_id = 5;
original.needs_local_transform_update = false;
original.is_invertible = false;
original.ancestors_are_invertible = false;
original.has_potential_animation = false;
original.to_screen_is_potentially_animated = false;
original.has_only_translation_animations = false;
original.to_screen_has_scale_animation = false;
original.flattens_inherited_transform = false;
original.node_and_ancestors_are_flat = false;
original.node_and_ancestors_have_only_integer_translation = false;
original.scrolls = false;
original.needs_sublayer_scale = false;
original.affected_by_inner_viewport_bounds_delta_x = false;
original.affected_by_inner_viewport_bounds_delta_y = false;
original.affected_by_outer_viewport_bounds_delta_x = false;
original.affected_by_outer_viewport_bounds_delta_y = false;
original.in_subtree_of_page_scale_layer = false;
original.post_local_scale_factor = 0.5f;
original.local_maximum_animation_target_scale = 0.6f;
original.local_starting_animation_scale = 0.7f;
original.combined_maximum_animation_target_scale = 0.8f;
original.combined_starting_animation_scale = 0.9f;
original.sublayer_scale = gfx::Vector2dF(0.5f, 0.5f);
original.scroll_offset = gfx::ScrollOffset(1.5f, 1.5f);
original.scroll_snap = gfx::Vector2dF(0.4f, 0.4f);
original.source_offset = gfx::Vector2dF(2.5f, 2.4f);
original.source_to_parent = gfx::Vector2dF(3.2f, 3.2f);
proto::TreeNode proto;
original.ToProtobuf(&proto);
TransformNodeData result;
result.FromProtobuf(proto);
EXPECT_EQ(original, result);
}
TEST(PropertyTreeSerializationTest, TransformNodeSerialization) {
TransformNode original;
original.id = 3;
original.parent_id = 2;
original.owner_id = 4;
proto::TreeNode proto;
original.ToProtobuf(&proto);
TransformNode result;
result.FromProtobuf(proto);
EXPECT_EQ(original, result);
}
TEST(PropertyTreeSerializationTest, TransformTreeSerialization) {
TransformTree original;
TransformNode& root = *original.Node(0);
root.id = 0;
root.owner_id = 1;
original.SetTargetId(root.id, 3);
original.SetContentTargetId(root.id, 4);
TransformNode second;
second.owner_id = 2;
second.data.local.Translate3d(2.f, 2.f, 0.f);
second.data.source_node_id = 0;
second.id = original.Insert(second, 0);
original.SetTargetId(second.id, 0);
TransformNode third;
third.owner_id = 3;
third.data.scrolls = true;
third.data.source_node_id = 1;
third.id = original.Insert(third, 1);
original.SetTargetId(third.id, 0);
original.set_needs_update(true);
original.set_page_scale_factor(0.5f);
original.set_device_scale_factor(0.6f);
gfx::Transform transform =
gfx::Transform(1.05f, 2.15f, 3.14f, 4.13f, 5.12f, 6.11f, 7.1f, 8.9f, 9.8f,
10.7f, 11.6f, 12.5f, 13.4f, 14.3f, 15.2f, 16.1f);
original.SetDeviceTransformScaleFactor(transform);
original.AddNodeAffectedByInnerViewportBoundsDelta(0);
original.AddNodeAffectedByOuterViewportBoundsDelta(1);
proto::PropertyTree proto;
original.ToProtobuf(&proto);
TransformTree result;
std::unordered_map<int, int> transform_id_to_index_map;
result.FromProtobuf(proto, &transform_id_to_index_map);
EXPECT_EQ(transform_id_to_index_map[1], 0);
EXPECT_EQ(transform_id_to_index_map[2], 1);
EXPECT_EQ(transform_id_to_index_map[3], 2);
EXPECT_EQ(original, result);
}
TEST(PropertyTreeSerializationTest, ClipNodeDataSerialization) {
ClipNodeData original;
original.clip = gfx::RectF(0.5f, 0.5f);
original.combined_clip_in_target_space = gfx::RectF(0.6f, 0.6f);
original.clip_in_target_space = gfx::RectF(0.7f, 0.7f);
original.transform_id = 2;
original.target_id = 3;
original.applies_local_clip = false;
original.layer_clipping_uses_only_local_clip = false;
original.target_is_clipped = false;
original.layers_are_clipped = false;
original.layers_are_clipped_when_surfaces_disabled = false;
original.resets_clip = false;
proto::TreeNode proto;
original.ToProtobuf(&proto);
ClipNodeData result;
result.FromProtobuf(proto);
EXPECT_EQ(original, result);
}
TEST(PropertyTreeSerializationTest, ClipNodeSerialization) {
ClipNode original;
original.id = 3;
original.parent_id = 2;
original.owner_id = 4;
proto::TreeNode proto;
original.ToProtobuf(&proto);
ClipNode result;
result.FromProtobuf(proto);
EXPECT_EQ(original, result);
}
TEST(PropertyTreeSerializationTest, ClipTreeSerialization) {
ClipTree original;
ClipNode& root = *original.Node(0);
root.owner_id = 1;
root.data.transform_id = 2;
root.data.target_id = 1;
ClipNode second;
second.owner_id = 2;
second.data.transform_id = 4;
second.data.applies_local_clip = true;
ClipNode third;
third.owner_id = 3;
third.data.target_id = 3;
third.data.target_is_clipped = false;
original.Insert(second, 0);
original.Insert(third, 1);
original.set_needs_update(true);
proto::PropertyTree proto;
original.ToProtobuf(&proto);
ClipTree result;
std::unordered_map<int, int> clip_id_to_index_map;
result.FromProtobuf(proto, &clip_id_to_index_map);
EXPECT_EQ(clip_id_to_index_map[1], 0);
EXPECT_EQ(clip_id_to_index_map[2], 1);
EXPECT_EQ(clip_id_to_index_map[3], 2);
EXPECT_EQ(original, result);
}
TEST(PropertyTreeSerializationTest, EffectNodeDataSerialization) {
EffectNodeData original;
original.opacity = 0.5f;
original.screen_space_opacity = 0.6f;
original.has_render_surface = false;
original.transform_id = 2;
original.clip_id = 3;
original.mask_layer_id = 6;
original.replica_layer_id = 10;
original.replica_mask_layer_id = 9;
proto::TreeNode proto;
original.ToProtobuf(&proto);
EffectNodeData result;
result.FromProtobuf(proto);
EXPECT_EQ(original, result);
}
TEST(PropertyTreeSerializationTest, EffectNodeSerialization) {
EffectNode original;
original.id = 3;
original.parent_id = 2;
original.owner_id = 4;
proto::TreeNode proto;
original.ToProtobuf(&proto);
EffectNode result;
result.FromProtobuf(proto);
EXPECT_EQ(original, result);
}
TEST(PropertyTreeSerializationTest, EffectTreeSerialization) {
EffectTree original;
EffectNode& root = *original.Node(0);
root.owner_id = 5;
root.data.transform_id = 2;
root.data.clip_id = 1;
EffectNode second;
second.owner_id = 6;
second.data.transform_id = 4;
second.data.opacity = true;
second.data.mask_layer_id = 32;
EffectNode third;
third.owner_id = 7;
third.data.clip_id = 3;
third.data.replica_layer_id = 44;
third.data.replica_mask_layer_id = 45;
third.data.has_render_surface = false;
original.Insert(second, 0);
original.Insert(third, 1);
original.AddMaskOrReplicaLayerId(32);
original.AddMaskOrReplicaLayerId(44);
original.AddMaskOrReplicaLayerId(45);
original.set_needs_update(true);
proto::PropertyTree proto;
original.ToProtobuf(&proto);
EffectTree result;
std::unordered_map<int, int> effect_id_to_index_map;
result.FromProtobuf(proto, &effect_id_to_index_map);
EXPECT_EQ(effect_id_to_index_map[5], 0);
EXPECT_EQ(effect_id_to_index_map[6], 1);
EXPECT_EQ(effect_id_to_index_map[7], 2);
EXPECT_EQ(original, result);
}
TEST(PropertyTreeSerializationTest, ScrollNodeDataSerialization) {
ScrollNodeData original;
original.scrollable = true;
original.main_thread_scrolling_reasons =
MainThreadScrollingReason::kScrollbarScrolling;
original.contains_non_fast_scrollable_region = false;
original.scroll_clip_layer_bounds = gfx::Size(10, 10);
original.bounds = gfx::Size(15, 15);
original.max_scroll_offset_affected_by_page_scale = true;
original.is_inner_viewport_scroll_layer = true;
original.is_outer_viewport_scroll_layer = false;
proto::TreeNode proto;
original.ToProtobuf(&proto);
ScrollNodeData result;
result.FromProtobuf(proto);
EXPECT_EQ(original, result);
}
TEST(PropertyTreeSerializationTest, ScrollNodeSerialization) {
ScrollNode original;
original.id = 3;
original.parent_id = 2;
original.owner_id = 4;
proto::TreeNode proto;
original.ToProtobuf(&proto);
ScrollNode result;
result.FromProtobuf(proto);
EXPECT_EQ(original, result);
}
TEST(PropertyTreeSerializationTest, ScrollTreeSerialization) {
PropertyTrees property_trees;
property_trees.is_main_thread = true;
ScrollTree& original = property_trees.scroll_tree;
ScrollNode second;
second.owner_id = 10;
second.data.scrollable = true;
second.data.bounds = gfx::Size(15, 15);
ScrollNode third;
third.owner_id = 20;
third.data.contains_non_fast_scrollable_region = true;
original.Insert(second, 0);
original.Insert(third, 1);
original.set_currently_scrolling_node(1);
original.SetScrollOffset(1, gfx::ScrollOffset(1, 2));
proto::PropertyTree proto;
original.ToProtobuf(&proto);
ScrollTree result;
std::unordered_map<int, int> scroll_id_to_index_map;
result.FromProtobuf(proto, &scroll_id_to_index_map);
EXPECT_EQ(original, result);
EXPECT_EQ(scroll_id_to_index_map[10], 1);
EXPECT_EQ(scroll_id_to_index_map[20], 2);
original.clear();
original.set_currently_scrolling_node(0);
original.SetScrollOffset(2, gfx::ScrollOffset(1, 2));
proto::PropertyTree proto2;
original.ToProtobuf(&proto2);
result = ScrollTree();
scroll_id_to_index_map.clear();
result.FromProtobuf(proto2, &scroll_id_to_index_map);
EXPECT_EQ(original, result);
}
TEST(PropertyTreeSerializationTest, PropertyTrees) {
PropertyTrees original;
TransformNode transform_node1 = TransformNode();
transform_node1.owner_id = 10;
transform_node1.id = original.transform_tree.Insert(transform_node1, 0);
TransformNode transform_node2 = TransformNode();
transform_node2.owner_id = 20;
transform_node2.id = original.transform_tree.Insert(transform_node2, 1);
original.transform_id_to_index_map[10] = 1;
original.transform_id_to_index_map[20] = 2;
ClipNode clip_node1 = ClipNode();
clip_node1.owner_id = 10;
clip_node1.id = original.clip_tree.Insert(clip_node1, 0);
ClipNode clip_node2 = ClipNode();
clip_node2.owner_id = 22;
clip_node2.id = original.clip_tree.Insert(clip_node2, 1);
original.clip_id_to_index_map[10] = 1;
original.clip_id_to_index_map[22] = 2;
EffectNode effect_node1 = EffectNode();
effect_node1.owner_id = 11;
effect_node1.id = original.effect_tree.Insert(effect_node1, 0);
EffectNode effect_node2 = EffectNode();
effect_node2.owner_id = 23;
effect_node2.id = original.effect_tree.Insert(effect_node2, 1);
original.effect_id_to_index_map[11] = 1;
original.effect_id_to_index_map[23] = 2;
ScrollNode scroll_node1 = ScrollNode();
scroll_node1.owner_id = 10;
scroll_node1.id = original.scroll_tree.Insert(scroll_node1, 0);
ScrollNode scroll_node2 = ScrollNode();
scroll_node2.owner_id = 20;
scroll_node2.id = original.scroll_tree.Insert(scroll_node2, 1);
original.scroll_id_to_index_map[10] = 1;
original.scroll_id_to_index_map[20] = 2;
original.needs_rebuild = false;
original.non_root_surfaces_enabled = false;
original.sequence_number = 3;
proto::PropertyTrees proto;
original.ToProtobuf(&proto);
PropertyTrees result;
result.FromProtobuf(proto);
EXPECT_EQ(original, result);
}
class PropertyTreeTest : public testing::Test {
public:
PropertyTreeTest() : test_serialization_(false) {}
protected:
void RunTest(bool test_serialization) {
test_serialization_ = test_serialization;
StartTest();
}
virtual void StartTest() = 0;
void SetupTransformTreeForTest(TransformTree* transform_tree) {
if (!test_serialization_)
return;
TransformTree new_tree;
proto::PropertyTree proto;
transform_tree->ToProtobuf(&proto);
std::unordered_map<int, int> transform_id_to_index_map;
new_tree.FromProtobuf(proto, &transform_id_to_index_map);
EXPECT_EQ(*transform_tree, new_tree);
PropertyTrees* property_trees = transform_tree->property_trees();
*transform_tree = new_tree;
transform_tree->SetPropertyTrees(property_trees);
}
void SetupEffectTreeForTest(EffectTree* effect_tree) {
if (!test_serialization_)
return;
EffectTree new_tree;
proto::PropertyTree proto;
effect_tree->ToProtobuf(&proto);
std::unordered_map<int, int> effect_id_to_index_map;
new_tree.FromProtobuf(proto, &effect_id_to_index_map);
EXPECT_EQ(*effect_tree, new_tree);
*effect_tree = new_tree;
}
private:
bool test_serialization_;
};
#define DIRECT_PROPERTY_TREE_TEST_F(TEST_FIXTURE_NAME) \
TEST_F(TEST_FIXTURE_NAME, RunDirect) { RunTest(false); }
#define SERIALIZED_PROPERTY_TREE_TEST_F(TEST_FIXTURE_NAME) \
TEST_F(TEST_FIXTURE_NAME, RunSerialized) { RunTest(true); }
#define DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F(TEST_FIXTURE_NAME) \
DIRECT_PROPERTY_TREE_TEST_F(TEST_FIXTURE_NAME); \
SERIALIZED_PROPERTY_TREE_TEST_F(TEST_FIXTURE_NAME)
class PropertyTreeTestComputeTransformRoot : public PropertyTreeTest {
protected:
void StartTest() override {
PropertyTrees property_trees;
TransformTree& tree = property_trees.transform_tree;
TransformNode& root = *tree.Node(0);
root.id = 0;
root.data.local.Translate(2, 2);
tree.SetTargetId(root.id, 0);
SetupTransformTreeForTest(&tree);
tree.UpdateTransforms(0);
gfx::Transform expected;
gfx::Transform transform;
bool success = tree.ComputeTransform(0, 0, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
transform.MakeIdentity();
expected.Translate(2, 2);
success = tree.ComputeTransform(0, -1, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
transform.MakeIdentity();
expected.MakeIdentity();
expected.Translate(-2, -2);
success = tree.ComputeTransform(-1, 0, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
}
};
DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F(
PropertyTreeTestComputeTransformRoot);
class PropertyTreeTestComputeTransformChild : public PropertyTreeTest {
protected:
void StartTest() override {
PropertyTrees property_trees;
TransformTree& tree = property_trees.transform_tree;
TransformNode& root = *tree.Node(0);
root.data.local.Translate(2, 2);
tree.SetTargetId(root.id, 0);
tree.UpdateTransforms(0);
TransformNode child;
child.data.local.Translate(3, 3);
child.data.source_node_id = 0;
child.id = tree.Insert(child, 0);
tree.SetTargetId(child.id, 0);
SetupTransformTreeForTest(&tree);
tree.UpdateTransforms(1);
gfx::Transform expected;
gfx::Transform transform;
expected.Translate(3, 3);
bool success = tree.ComputeTransform(1, 0, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
transform.MakeIdentity();
expected.MakeIdentity();
expected.Translate(-3, -3);
success = tree.ComputeTransform(0, 1, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
transform.MakeIdentity();
expected.MakeIdentity();
expected.Translate(5, 5);
success = tree.ComputeTransform(1, -1, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
transform.MakeIdentity();
expected.MakeIdentity();
expected.Translate(-5, -5);
success = tree.ComputeTransform(-1, 1, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
}
};
DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F(
PropertyTreeTestComputeTransformChild);
class PropertyTreeTestComputeTransformSibling : public PropertyTreeTest {
protected:
void StartTest() override {
PropertyTrees property_trees;
TransformTree& tree = property_trees.transform_tree;
TransformNode& root = *tree.Node(0);
root.data.local.Translate(2, 2);
tree.SetTargetId(root.id, 0);
tree.UpdateTransforms(0);
TransformNode child;
child.data.local.Translate(3, 3);
child.data.source_node_id = 0;
child.id = tree.Insert(child, 0);
tree.SetTargetId(child.id, 0);
TransformNode sibling;
sibling.data.local.Translate(7, 7);
sibling.data.source_node_id = 0;
sibling.id = tree.Insert(sibling, 0);
tree.SetTargetId(sibling.id, 0);
SetupTransformTreeForTest(&tree);
tree.UpdateTransforms(1);
tree.UpdateTransforms(2);
gfx::Transform expected;
gfx::Transform transform;
expected.Translate(4, 4);
bool success = tree.ComputeTransform(2, 1, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
transform.MakeIdentity();
expected.MakeIdentity();
expected.Translate(-4, -4);
success = tree.ComputeTransform(1, 2, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
}
};
DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F(
PropertyTreeTestComputeTransformSibling);
class PropertyTreeTestComputeTransformSiblingSingularAncestor
: public PropertyTreeTest {
protected:
void StartTest() override {
// In this test, we have the following tree:
// root
// + singular
// + child
// + sibling
// Since the lowest common ancestor of |child| and |sibling| has a singular
// transform, we cannot use screen space transforms to compute change of
// basis
// transforms between these nodes.
PropertyTrees property_trees;
TransformTree& tree = property_trees.transform_tree;
TransformNode& root = *tree.Node(0);
root.data.local.Translate(2, 2);
tree.SetTargetId(root.id, 0);
tree.UpdateTransforms(0);
TransformNode singular;
singular.data.local.matrix().set(2, 2, 0.0);
singular.data.source_node_id = 0;
singular.id = tree.Insert(singular, 0);
tree.SetTargetId(singular.id, 0);
TransformNode child;
child.data.local.Translate(3, 3);
child.data.source_node_id = 1;
child.id = tree.Insert(child, 1);
tree.SetTargetId(child.id, 0);
TransformNode sibling;
sibling.data.local.Translate(7, 7);
sibling.data.source_node_id = 1;
sibling.id = tree.Insert(sibling, 1);
tree.SetTargetId(sibling.id, 0);
SetupTransformTreeForTest(&tree);
tree.UpdateTransforms(1);
tree.UpdateTransforms(2);
tree.UpdateTransforms(3);
gfx::Transform expected;
gfx::Transform transform;
expected.Translate(4, 4);
bool success = tree.ComputeTransform(3, 2, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
transform.MakeIdentity();
expected.MakeIdentity();
expected.Translate(-4, -4);
success = tree.ComputeTransform(2, 3, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
}
};
DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F(
PropertyTreeTestComputeTransformSiblingSingularAncestor);
class PropertyTreeTestTransformsWithFlattening : public PropertyTreeTest {
protected:
void StartTest() override {
PropertyTrees property_trees;
TransformTree& tree = property_trees.transform_tree;
int grand_parent = tree.Insert(TransformNode(), 0);
tree.SetContentTargetId(grand_parent, grand_parent);
tree.SetTargetId(grand_parent, grand_parent);
tree.Node(grand_parent)->data.source_node_id = 0;
gfx::Transform rotation_about_x;
rotation_about_x.RotateAboutXAxis(15);
int parent = tree.Insert(TransformNode(), grand_parent);
tree.Node(parent)->data.needs_sublayer_scale = true;
tree.SetTargetId(parent, grand_parent);
tree.SetContentTargetId(parent, parent);
tree.Node(parent)->data.source_node_id = grand_parent;
tree.Node(parent)->data.local = rotation_about_x;
int child = tree.Insert(TransformNode(), parent);
tree.SetTargetId(child, parent);
tree.SetContentTargetId(child, parent);
tree.Node(child)->data.source_node_id = parent;
tree.Node(child)->data.flattens_inherited_transform = true;
tree.Node(child)->data.local = rotation_about_x;
int grand_child = tree.Insert(TransformNode(), child);
tree.SetTargetId(grand_child, parent);
tree.SetContentTargetId(grand_child, parent);
tree.Node(grand_child)->data.source_node_id = child;
tree.Node(grand_child)->data.flattens_inherited_transform = true;
tree.Node(grand_child)->data.local = rotation_about_x;
tree.set_needs_update(true);
SetupTransformTreeForTest(&tree);
draw_property_utils::ComputeTransforms(&tree);
gfx::Transform flattened_rotation_about_x = rotation_about_x;
flattened_rotation_about_x.FlattenTo2d();
EXPECT_TRANSFORMATION_MATRIX_EQ(rotation_about_x, tree.ToTarget(child));
EXPECT_TRANSFORMATION_MATRIX_EQ(
flattened_rotation_about_x * rotation_about_x, tree.ToScreen(child));
EXPECT_TRANSFORMATION_MATRIX_EQ(
flattened_rotation_about_x * rotation_about_x,
tree.ToTarget(grand_child));
EXPECT_TRANSFORMATION_MATRIX_EQ(flattened_rotation_about_x *
flattened_rotation_about_x *
rotation_about_x,
tree.ToScreen(grand_child));
gfx::Transform grand_child_to_child;
bool success =
tree.ComputeTransform(grand_child, child, &grand_child_to_child);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(rotation_about_x, grand_child_to_child);
// Remove flattening at grand_child, and recompute transforms.
tree.Node(grand_child)->data.flattens_inherited_transform = false;
tree.set_needs_update(true);
SetupTransformTreeForTest(&tree);
draw_property_utils::ComputeTransforms(&tree);
EXPECT_TRANSFORMATION_MATRIX_EQ(rotation_about_x * rotation_about_x,
tree.ToTarget(grand_child));
EXPECT_TRANSFORMATION_MATRIX_EQ(
flattened_rotation_about_x * rotation_about_x * rotation_about_x,
tree.ToScreen(grand_child));
success = tree.ComputeTransform(grand_child, child, &grand_child_to_child);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(rotation_about_x, grand_child_to_child);
}
};
DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F(
PropertyTreeTestTransformsWithFlattening);
class PropertyTreeTestMultiplicationOrder : public PropertyTreeTest {
protected:
void StartTest() override {
PropertyTrees property_trees;
TransformTree& tree = property_trees.transform_tree;
TransformNode& root = *tree.Node(0);
root.data.local.Translate(2, 2);
tree.SetTargetId(root.id, 0);
tree.UpdateTransforms(0);
TransformNode child;
child.data.local.Scale(2, 2);
child.data.source_node_id = 0;
child.id = tree.Insert(child, 0);
tree.SetTargetId(child.id, 0);
SetupTransformTreeForTest(&tree);
tree.UpdateTransforms(1);
gfx::Transform expected;
expected.Translate(2, 2);
expected.Scale(2, 2);
gfx::Transform transform;
gfx::Transform inverse;
bool success = tree.ComputeTransform(1, -1, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
success = tree.ComputeTransform(-1, 1, &inverse);
EXPECT_TRUE(success);
transform = transform * inverse;
expected.MakeIdentity();
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
}
};
DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F(PropertyTreeTestMultiplicationOrder);
class PropertyTreeTestComputeTransformWithUninvertibleTransform
: public PropertyTreeTest {
protected:
void StartTest() override {
PropertyTrees property_trees;
TransformTree& tree = property_trees.transform_tree;
TransformNode& root = *tree.Node(0);
tree.SetTargetId(root.id, 0);
tree.UpdateTransforms(0);
TransformNode child;
child.data.local.Scale(0, 0);
child.data.source_node_id = 0;
child.id = tree.Insert(child, 0);
tree.SetTargetId(child.id, 0);
SetupTransformTreeForTest(&tree);
tree.UpdateTransforms(1);
gfx::Transform expected;
expected.Scale(0, 0);
gfx::Transform transform;
gfx::Transform inverse;
bool success = tree.ComputeTransform(1, 0, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, transform);
// To compute this would require inverting the 0 matrix, so we cannot
// succeed.
success = tree.ComputeTransform(0, 1, &inverse);
EXPECT_FALSE(success);
}
};
DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F(
PropertyTreeTestComputeTransformWithUninvertibleTransform);
class PropertyTreeTestComputeTransformWithSublayerScale
: public PropertyTreeTest {
protected:
void StartTest() override {
PropertyTrees property_trees;
TransformTree& tree = property_trees.transform_tree;
TransformNode& root = *tree.Node(0);
root.id = 0;
tree.SetTargetId(root.id, 0);
tree.UpdateTransforms(0);
TransformNode grand_parent;
grand_parent.data.local.Scale(2.f, 2.f);
grand_parent.data.source_node_id = 0;
grand_parent.data.needs_sublayer_scale = true;
int grand_parent_id = tree.Insert(grand_parent, 0);
tree.SetTargetId(grand_parent_id, 0);
tree.UpdateTransforms(grand_parent_id);
TransformNode parent;
parent.data.local.Translate(15.f, 15.f);
parent.data.source_node_id = grand_parent_id;
int parent_id = tree.Insert(parent, grand_parent_id);
tree.SetTargetId(parent_id, grand_parent_id);
tree.UpdateTransforms(parent_id);
TransformNode child;
child.data.local.Scale(3.f, 3.f);
child.data.source_node_id = parent_id;
int child_id = tree.Insert(child, parent_id);
tree.SetTargetId(child_id, grand_parent_id);
tree.UpdateTransforms(child_id);
TransformNode grand_child;
grand_child.data.local.Scale(5.f, 5.f);
grand_child.data.source_node_id = child_id;
grand_child.data.needs_sublayer_scale = true;
int grand_child_id = tree.Insert(grand_child, child_id);
tree.SetTargetId(grand_child_id, grand_parent_id);
SetupTransformTreeForTest(&tree);
tree.UpdateTransforms(grand_child_id);
EXPECT_EQ(gfx::Vector2dF(2.f, 2.f),
tree.Node(grand_parent_id)->data.sublayer_scale);
EXPECT_EQ(gfx::Vector2dF(30.f, 30.f),
tree.Node(grand_child_id)->data.sublayer_scale);
// Compute transform from grand_parent to grand_child.
gfx::Transform expected_transform_without_sublayer_scale;
expected_transform_without_sublayer_scale.Scale(1.f / 15.f, 1.f / 15.f);
expected_transform_without_sublayer_scale.Translate(-15.f, -15.f);
gfx::Transform expected_transform_with_dest_sublayer_scale;
expected_transform_with_dest_sublayer_scale.Scale(30.f, 30.f);
expected_transform_with_dest_sublayer_scale.Scale(1.f / 15.f, 1.f / 15.f);
expected_transform_with_dest_sublayer_scale.Translate(-15.f, -15.f);
gfx::Transform expected_transform_with_source_sublayer_scale;
expected_transform_with_source_sublayer_scale.Scale(1.f / 15.f, 1.f / 15.f);
expected_transform_with_source_sublayer_scale.Translate(-15.f, -15.f);
expected_transform_with_source_sublayer_scale.Scale(0.5f, 0.5f);
gfx::Transform transform;
bool success =
tree.ComputeTransform(grand_parent_id, grand_child_id, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform_without_sublayer_scale,
transform);
success = tree.ComputeTransformWithDestinationSublayerScale(
grand_parent_id, grand_child_id, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform_with_dest_sublayer_scale,
transform);
success = tree.ComputeTransformWithSourceSublayerScale(
grand_parent_id, grand_child_id, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(
expected_transform_with_source_sublayer_scale, transform);
// Now compute transform from grand_child to grand_parent.
expected_transform_without_sublayer_scale.MakeIdentity();
expected_transform_without_sublayer_scale.Translate(15.f, 15.f);
expected_transform_without_sublayer_scale.Scale(15.f, 15.f);
expected_transform_with_dest_sublayer_scale.MakeIdentity();
expected_transform_with_dest_sublayer_scale.Scale(2.f, 2.f);
expected_transform_with_dest_sublayer_scale.Translate(15.f, 15.f);
expected_transform_with_dest_sublayer_scale.Scale(15.f, 15.f);
expected_transform_with_source_sublayer_scale.MakeIdentity();
expected_transform_with_source_sublayer_scale.Translate(15.f, 15.f);
expected_transform_with_source_sublayer_scale.Scale(15.f, 15.f);
expected_transform_with_source_sublayer_scale.Scale(1.f / 30.f, 1.f / 30.f);
success =
tree.ComputeTransform(grand_child_id, grand_parent_id, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform_without_sublayer_scale,
transform);
success = tree.ComputeTransformWithDestinationSublayerScale(
grand_child_id, grand_parent_id, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform_with_dest_sublayer_scale,
transform);
success = tree.ComputeTransformWithSourceSublayerScale(
grand_child_id, grand_parent_id, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(
expected_transform_with_source_sublayer_scale, transform);
}
};
DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F(
PropertyTreeTestComputeTransformWithSublayerScale);
class PropertyTreeTestComputeTransformToTargetWithZeroSublayerScale
: public PropertyTreeTest {
protected:
void StartTest() override {
PropertyTrees property_trees;
TransformTree& tree = property_trees.transform_tree;
TransformNode& root = *tree.Node(0);
tree.SetTargetId(root.id, 0);
tree.UpdateTransforms(0);
TransformNode grand_parent;
grand_parent.data.local.Scale(2.f, 0.f);
grand_parent.data.source_node_id = 0;
grand_parent.data.needs_sublayer_scale = true;
int grand_parent_id = tree.Insert(grand_parent, 0);
tree.SetTargetId(grand_parent_id, 0);
tree.SetContentTargetId(grand_parent_id, grand_parent_id);
tree.UpdateTransforms(grand_parent_id);
TransformNode parent;
parent.data.local.Translate(1.f, 1.f);
parent.data.source_node_id = grand_parent_id;
int parent_id = tree.Insert(parent, grand_parent_id);
tree.SetTargetId(parent_id, grand_parent_id);
tree.SetContentTargetId(parent_id, grand_parent_id);
tree.UpdateTransforms(parent_id);
TransformNode child;
child.data.local.Translate(3.f, 4.f);
child.data.source_node_id = parent_id;
int child_id = tree.Insert(child, parent_id);
tree.SetTargetId(child_id, grand_parent_id);
tree.SetContentTargetId(child_id, grand_parent_id);
SetupTransformTreeForTest(&tree);
tree.UpdateTransforms(child_id);
gfx::Transform expected_transform;
expected_transform.Translate(4.f, 5.f);
gfx::Transform transform;
bool success = tree.ComputeTransform(child_id, grand_parent_id, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform, transform);
tree.Node(grand_parent_id)->data.local.MakeIdentity();
tree.Node(grand_parent_id)->data.local.Scale(0.f, 2.f);
tree.Node(grand_parent_id)->data.needs_local_transform_update = true;
tree.set_needs_update(true);
SetupTransformTreeForTest(&tree);
draw_property_utils::ComputeTransforms(&tree);
success = tree.ComputeTransform(child_id, grand_parent_id, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform, transform);
tree.Node(grand_parent_id)->data.local.MakeIdentity();
tree.Node(grand_parent_id)->data.local.Scale(0.f, 0.f);
tree.Node(grand_parent_id)->data.needs_local_transform_update = true;
tree.set_needs_update(true);
SetupTransformTreeForTest(&tree);
draw_property_utils::ComputeTransforms(&tree);
success = tree.ComputeTransform(child_id, grand_parent_id, &transform);
EXPECT_TRUE(success);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform, transform);
}
};
DIRECT_AND_SERIALIZED_PROPERTY_TREE_TEST_F(
PropertyTreeTestComputeTransformToTargetWithZeroSublayerScale);
class PropertyTreeTestFlatteningWhenDestinationHasOnlyFlatAncestors
: public PropertyTreeTest {
protected:
void StartTest() override {
// This tests that flattening is performed correctly when
// destination and its ancestors are flat, but there are 3d transforms
// and flattening between the source and destination.
PropertyTrees property_trees;
TransformTree& tree = property_trees.transform_tree;
int parent = tree.Insert(TransformNode(), 0);