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Unified Diff: cc/trees/property_tree.cc

Issue 2032213002: cc: Put to_target and to_screen behind an accessor. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 4 years, 6 months ago
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Index: cc/trees/property_tree.cc
diff --git a/cc/trees/property_tree.cc b/cc/trees/property_tree.cc
index 894b2d5da469a38121fc404424b943c810b494e4..283dae04c2ecdf7e0eac98014d68f2124b77d2d1 100644
--- a/cc/trees/property_tree.cc
+++ b/cc/trees/property_tree.cc
@@ -79,7 +79,9 @@ TransformTree::TransformTree()
: source_to_parent_updates_allowed_(true),
page_scale_factor_(1.f),
device_scale_factor_(1.f),
- device_transform_scale_factor_(1.f) {}
+ device_transform_scale_factor_(1.f) {
+ cached_data_.push_back(TransformCachedNodeData());
+}
TransformTree::~TransformTree() {
}
@@ -155,9 +157,7 @@ template class PropertyTree<EffectNode>;
template class PropertyTree<ScrollNode>;
TransformNodeData::TransformNodeData()
- : target_id(-1),
- content_target_id(-1),
- source_node_id(-1),
+ : source_node_id(-1),
sorting_context_id(0),
needs_local_transform_update(true),
node_and_ancestors_are_animated_or_invertible(true),
@@ -193,10 +193,6 @@ TransformNodeData::~TransformNodeData() {
bool TransformNodeData::operator==(const TransformNodeData& other) const {
return pre_local == other.pre_local && local == other.local &&
post_local == other.post_local && to_parent == other.to_parent &&
- to_target == other.to_target && from_target == other.from_target &&
- to_screen == other.to_screen && from_screen == other.from_screen &&
- target_id == other.target_id &&
- content_target_id == other.content_target_id &&
source_node_id == other.source_node_id &&
sorting_context_id == other.sorting_context_id &&
needs_local_transform_update == other.needs_local_transform_update &&
@@ -272,14 +268,6 @@ void TransformNodeData::ToProtobuf(proto::TreeNode* proto) const {
TransformToProto(to_parent, data->mutable_to_parent());
- TransformToProto(to_target, data->mutable_to_target());
- TransformToProto(from_target, data->mutable_from_target());
-
- TransformToProto(to_screen, data->mutable_to_screen());
- TransformToProto(from_screen, data->mutable_from_screen());
-
- data->set_target_id(target_id);
- data->set_content_target_id(content_target_id);
data->set_source_node_id(source_node_id);
data->set_sorting_context_id(sorting_context_id);
@@ -343,14 +331,6 @@ void TransformNodeData::FromProtobuf(const proto::TreeNode& proto) {
to_parent = ProtoToTransform(data.to_parent());
- to_target = ProtoToTransform(data.to_target());
- from_target = ProtoToTransform(data.from_target());
-
- to_screen = ProtoToTransform(data.to_screen());
- from_screen = ProtoToTransform(data.from_screen());
-
- target_id = data.target_id();
- content_target_id = data.content_target_id();
source_node_id = data.source_node_id();
sorting_context_id = data.sorting_context_id();
@@ -407,12 +387,49 @@ void TransformNodeData::AsValueInto(
MathUtil::AddToTracedValue("pre_local", pre_local, value);
MathUtil::AddToTracedValue("local", local, value);
MathUtil::AddToTracedValue("post_local", post_local, value);
- value->SetInteger("target_id", target_id);
- value->SetInteger("content_target_id", content_target_id);
+ // TODO(sunxd): make frameviewer work without target_id
+ value->SetInteger("target_id", 0);
+ value->SetInteger("content_target_id", 0);
value->SetInteger("source_node_id", source_node_id);
value->SetInteger("sorting_context_id", sorting_context_id);
}
+TransformCachedNodeData::TransformCachedNodeData()
+ : target_id(-1), content_target_id(-1) {}
+
+TransformCachedNodeData::TransformCachedNodeData(
+ const TransformCachedNodeData& other) = default;
+
+TransformCachedNodeData::~TransformCachedNodeData() {}
+
+bool TransformCachedNodeData::operator==(
+ const TransformCachedNodeData& other) const {
+ return from_target == other.from_target && to_target == other.to_target &&
+ from_screen == other.from_screen && to_screen == other.to_screen &&
+ target_id == other.target_id &&
+ content_target_id == other.content_target_id;
+}
+
+void TransformCachedNodeData::ToProtobuf(
+ proto::TransformCachedNodeData* proto) const {
+ TransformToProto(from_target, proto->mutable_from_target());
+ TransformToProto(to_target, proto->mutable_to_target());
+ TransformToProto(from_screen, proto->mutable_from_screen());
+ TransformToProto(to_screen, proto->mutable_to_screen());
+ proto->set_target_id(target_id);
+ proto->set_content_target_id(content_target_id);
+}
+
+void TransformCachedNodeData::FromProtobuf(
+ const proto::TransformCachedNodeData& proto) {
+ from_target = ProtoToTransform(proto.from_target());
+ to_target = ProtoToTransform(proto.to_target());
+ from_screen = ProtoToTransform(proto.from_screen());
+ to_screen = ProtoToTransform(proto.to_screen());
+ target_id = proto.target_id();
+ content_target_id = proto.content_target_id();
+}
+
ClipNodeData::ClipNodeData()
: transform_id(-1),
target_id(-1),
@@ -694,11 +711,21 @@ void ScrollNodeData::AsValueInto(base::trace_event::TracedValue* value) const {
value->SetInteger("transform_id", transform_id);
}
+int TransformTree::Insert(const TransformNode& tree_node, int parent_id) {
+ int node_id = PropertyTree<TransformNode>::Insert(tree_node, parent_id);
+ DCHECK_EQ(node_id, static_cast<int>(cached_data_.size()));
+
+ cached_data_.push_back(TransformCachedNodeData());
+ return node_id;
+}
+
void TransformTree::clear() {
PropertyTree<TransformNode>::clear();
nodes_affected_by_inner_viewport_bounds_delta_.clear();
nodes_affected_by_outer_viewport_bounds_delta_.clear();
+ cached_data_.clear();
+ cached_data_.push_back(TransformCachedNodeData());
}
bool TransformTree::ComputeTransform(int source_id,
@@ -771,7 +798,7 @@ void TransformTree::ResetChangeTracking() {
void TransformTree::UpdateTransforms(int id) {
TransformNode* node = Node(id);
TransformNode* parent_node = parent(node);
- TransformNode* target_node = Node(node->data.target_id);
+ TransformNode* target_node = Node(TargetId(id));
TransformNode* source_node = Node(node->data.source_node_id);
if (node->data.needs_local_transform_update ||
NeedsSourceToParentUpdate(node))
@@ -815,9 +842,9 @@ bool TransformTree::CombineTransformsBetween(int source_id,
// A's from_screen will not produce the correct result.
if (!dest || (dest->data.ancestors_are_invertible &&
dest->data.node_and_ancestors_are_flat)) {
- transform->ConcatTransform(current->data.to_screen);
+ transform->ConcatTransform(ToScreen(current->id));
if (dest)
- transform->ConcatTransform(dest->data.from_screen);
+ transform->ConcatTransform(FromScreen(dest->id));
return true;
}
@@ -840,15 +867,15 @@ bool TransformTree::CombineTransformsBetween(int source_id,
!dest->data.ancestors_are_invertible);
for (; current && current->id > dest_id; current = parent(current)) {
if (destination_has_non_zero_sublayer_scale &&
- current->data.target_id == dest_id &&
- current->data.content_target_id == dest_id)
+ TargetId(current->id) == dest_id &&
+ ContentTargetId(current->id) == dest_id)
break;
source_to_destination.push_back(current->id);
}
gfx::Transform combined_transform;
if (current->id > dest_id) {
- combined_transform = current->data.to_target;
+ combined_transform = ToTarget(current->id);
// The stored target space transform has sublayer scale baked in, but we
// need the unscaled transform.
combined_transform.matrix().postScale(1.0f / dest->data.sublayer_scale.x(),
@@ -902,9 +929,9 @@ bool TransformTree::CombineInversesBetween(int source_id,
// involved.
if (current->data.ancestors_are_invertible &&
current->data.node_and_ancestors_are_flat) {
- transform->PreconcatTransform(current->data.from_screen);
+ transform->PreconcatTransform(FromScreen(current->id));
if (dest)
- transform->PreconcatTransform(dest->data.to_screen);
+ transform->PreconcatTransform(ToScreen(dest->id));
return true;
}
@@ -959,24 +986,27 @@ void TransformTree::UpdateScreenSpaceTransform(TransformNode* node,
TransformNode* parent_node,
TransformNode* target_node) {
if (!parent_node) {
- node->data.to_screen = node->data.to_parent;
+ SetToScreen(node->id, node->data.to_parent);
node->data.ancestors_are_invertible = true;
node->data.to_screen_is_potentially_animated = false;
node->data.node_and_ancestors_are_flat = node->data.to_parent.IsFlat();
} else {
- node->data.to_screen = parent_node->data.to_screen;
+ gfx::Transform to_screen_space_transform = ToScreen(parent_node->id);
if (node->data.flattens_inherited_transform)
- node->data.to_screen.FlattenTo2d();
- node->data.to_screen.PreconcatTransform(node->data.to_parent);
+ to_screen_space_transform.FlattenTo2d();
+ to_screen_space_transform.PreconcatTransform(node->data.to_parent);
node->data.ancestors_are_invertible =
parent_node->data.ancestors_are_invertible;
node->data.node_and_ancestors_are_flat =
parent_node->data.node_and_ancestors_are_flat &&
node->data.to_parent.IsFlat();
+ SetToScreen(node->id, to_screen_space_transform);
}
- if (!node->data.to_screen.GetInverse(&node->data.from_screen))
+ gfx::Transform from_screen;
+ if (!ToScreen(node->id).GetInverse(&from_screen))
node->data.ancestors_are_invertible = false;
+ SetFromScreen(node->id, from_screen);
}
void TransformTree::UpdateSublayerScale(TransformNode* node) {
@@ -991,25 +1021,29 @@ void TransformTree::UpdateSublayerScale(TransformNode* node) {
if (node->data.in_subtree_of_page_scale_layer)
layer_scale_factor *= page_scale_factor_;
node->data.sublayer_scale = MathUtil::ComputeTransform2dScaleComponents(
- node->data.to_screen, layer_scale_factor);
+ ToScreen(node->id), layer_scale_factor);
}
void TransformTree::UpdateTargetSpaceTransform(TransformNode* node,
TransformNode* target_node) {
+ gfx::Transform target_space_transform;
if (node->data.needs_sublayer_scale) {
- node->data.to_target.MakeIdentity();
- node->data.to_target.Scale(node->data.sublayer_scale.x(),
- node->data.sublayer_scale.y());
+ target_space_transform.MakeIdentity();
+ target_space_transform.Scale(node->data.sublayer_scale.x(),
+ node->data.sublayer_scale.y());
} else {
// In order to include the root transform for the root surface, we walk up
// to the root of the transform tree in ComputeTransform.
int target_id = target_node->id;
ComputeTransformWithDestinationSublayerScale(node->id, target_id,
- &node->data.to_target);
+ &target_space_transform);
}
- if (!node->data.to_target.GetInverse(&node->data.from_target))
+ gfx::Transform from_target;
+ if (!target_space_transform.GetInverse(&from_target))
node->data.ancestors_are_invertible = false;
+ SetToTarget(node->id, target_space_transform);
+ SetFromTarget(node->id, from_target);
}
void TransformTree::UpdateAnimationProperties(TransformNode* node,
@@ -1041,7 +1075,7 @@ void TransformTree::UpdateAnimationProperties(TransformNode* node,
// Computing maximum animated scale in the presence of non-scale/translation
// transforms isn't supported.
bool failed_for_non_scale_or_translation =
- !node->data.to_target.IsScaleOrTranslation();
+ !ToTarget(node->id).IsScaleOrTranslation();
// We don't attempt to accumulate animation scale from multiple nodes with
// scale animations, because of the risk of significant overestimation. For
@@ -1092,7 +1126,7 @@ void TransformTree::UpdateAnimationProperties(TransformNode* node,
gfx::Vector2dF ancestor_scales =
parent_node ? MathUtil::ComputeTransform2dScaleComponents(
- parent_node->data.to_target, 0.f)
+ ToTarget(parent_node->id), 0.f)
: gfx::Vector2dF(1.f, 1.f);
float max_ancestor_scale = std::max(ancestor_scales.x(), ancestor_scales.y());
node->data.combined_maximum_animation_target_scale =
@@ -1111,7 +1145,7 @@ void TransformTree::UndoSnapping(TransformNode* node) {
void TransformTree::UpdateSnapping(TransformNode* node) {
if (!node->data.scrolls || node->data.to_screen_is_potentially_animated ||
- !node->data.to_screen.IsScaleOrTranslation() ||
+ !ToScreen(node->id).IsScaleOrTranslation() ||
!node->data.ancestors_are_invertible) {
return;
}
@@ -1122,9 +1156,9 @@ void TransformTree::UpdateSnapping(TransformNode* node) {
// rounded, then what we're after is the scroll delta X, where ST * X = ST'.
// I.e., we want a transform that will realize our scroll snap. It follows
// that X = ST^-1 * ST'. We cache ST and ST^-1 to make this more efficient.
- gfx::Transform rounded = node->data.to_screen;
+ gfx::Transform rounded = ToScreen(node->id);
rounded.RoundTranslationComponents();
- gfx::Transform delta = node->data.from_screen;
+ gfx::Transform delta = FromScreen(node->id);
delta *= rounded;
DCHECK(delta.IsApproximatelyIdentityOrTranslation(SkDoubleToMScalar(1e-4)))
@@ -1134,14 +1168,17 @@ void TransformTree::UpdateSnapping(TransformNode* node) {
// Now that we have our scroll delta, we must apply it to each of our
// combined, to/from matrices.
- node->data.to_screen = rounded;
+ SetToScreen(node->id, rounded);
node->data.to_parent.Translate(translation.x(), translation.y());
- node->data.from_screen.matrix().postTranslate(-translation.x(),
- -translation.y(), 0);
- node->data.to_target.Translate(translation.x(), translation.y());
- node->data.from_target.matrix().postTranslate(-translation.x(),
- -translation.y(), 0);
-
+ gfx::Transform from_screen = FromScreen(node->id);
+ from_screen.matrix().postTranslate(-translation.x(), -translation.y(), 0);
+ SetFromScreen(node->id, from_screen);
+ gfx::Transform to_target = ToTarget(node->id);
+ to_target.Translate(translation.x(), translation.y());
+ SetToTarget(node->id, to_target);
+ gfx::Transform from_target = FromTarget(node->id);
+ from_target.matrix().postTranslate(-translation.x(), -translation.y(), 0);
+ SetFromTarget(node->id, from_target);
node->data.scroll_snap = translation;
}
@@ -1241,6 +1278,68 @@ bool TransformTree::HasNodesAffectedByOuterViewportBoundsDelta() const {
return !nodes_affected_by_outer_viewport_bounds_delta_.empty();
}
+const gfx::Transform& TransformTree::FromTarget(int node_id) const {
+ DCHECK(static_cast<int>(cached_data_.size()) > node_id);
+ return cached_data_[node_id].from_target;
+}
+
+void TransformTree::SetFromTarget(int node_id,
+ const gfx::Transform& transform) {
+ DCHECK(static_cast<int>(cached_data_.size()) > node_id);
+ cached_data_[node_id].from_target = transform;
+}
+
+const gfx::Transform& TransformTree::ToTarget(int node_id) const {
+ DCHECK(static_cast<int>(cached_data_.size()) > node_id);
+ return cached_data_[node_id].to_target;
+}
+
+void TransformTree::SetToTarget(int node_id, const gfx::Transform& transform) {
+ DCHECK(static_cast<int>(cached_data_.size()) > node_id);
+ cached_data_[node_id].to_target = transform;
+}
+
+const gfx::Transform& TransformTree::FromScreen(int node_id) const {
+ DCHECK(static_cast<int>(cached_data_.size()) > node_id);
+ return cached_data_[node_id].from_screen;
+}
+
+void TransformTree::SetFromScreen(int node_id,
+ const gfx::Transform& transform) {
+ DCHECK(static_cast<int>(cached_data_.size()) > node_id);
+ cached_data_[node_id].from_screen = transform;
+}
+
+const gfx::Transform& TransformTree::ToScreen(int node_id) const {
+ DCHECK(static_cast<int>(cached_data_.size()) > node_id);
+ return cached_data_[node_id].to_screen;
+}
+
+void TransformTree::SetToScreen(int node_id, const gfx::Transform& transform) {
+ DCHECK(static_cast<int>(cached_data_.size()) > node_id);
+ cached_data_[node_id].to_screen = transform;
+}
+
+int TransformTree::TargetId(int node_id) const {
+ DCHECK(static_cast<int>(cached_data_.size()) > node_id);
+ return cached_data_[node_id].target_id;
+}
+
+void TransformTree::SetTargetId(int node_id, int target_id) {
+ DCHECK(static_cast<int>(cached_data_.size()) > node_id);
+ cached_data_[node_id].target_id = target_id;
+}
+
+int TransformTree::ContentTargetId(int node_id) const {
+ DCHECK(static_cast<int>(cached_data_.size()) > node_id);
+ return cached_data_[node_id].content_target_id;
+}
+
+void TransformTree::SetContentTargetId(int node_id, int content_target_id) {
+ DCHECK(static_cast<int>(cached_data_.size()) > node_id);
+ cached_data_[node_id].content_target_id = content_target_id;
+}
+
gfx::Transform TransformTree::ToScreenSpaceTransformWithoutSublayerScale(
int id) const {
DCHECK_GT(id, 0);
@@ -1248,7 +1347,7 @@ gfx::Transform TransformTree::ToScreenSpaceTransformWithoutSublayerScale(
return gfx::Transform();
}
const TransformNode* node = Node(id);
- gfx::Transform screen_space_transform = node->data.to_screen;
+ gfx::Transform screen_space_transform = ToScreen(id);
if (node->data.sublayer_scale.x() != 0.0 &&
node->data.sublayer_scale.y() != 0.0)
screen_space_transform.Scale(1.0 / node->data.sublayer_scale.x(),
@@ -1267,7 +1366,8 @@ bool TransformTree::operator==(const TransformTree& other) const {
nodes_affected_by_inner_viewport_bounds_delta_ ==
other.nodes_affected_by_inner_viewport_bounds_delta() &&
nodes_affected_by_outer_viewport_bounds_delta_ ==
- other.nodes_affected_by_outer_viewport_bounds_delta();
+ other.nodes_affected_by_outer_viewport_bounds_delta() &&
+ cached_data_ == other.cached_data();
}
void TransformTree::ToProtobuf(proto::PropertyTree* proto) const {
@@ -1287,6 +1387,9 @@ void TransformTree::ToProtobuf(proto::PropertyTree* proto) const {
for (auto i : nodes_affected_by_outer_viewport_bounds_delta_)
data->add_nodes_affected_by_outer_viewport_bounds_delta(i);
+
+ for (int i = 0; i < static_cast<int>(cached_data_.size()); ++i)
+ cached_data_[i].ToProtobuf(data->add_cached_data());
}
void TransformTree::FromProtobuf(
@@ -1316,6 +1419,13 @@ void TransformTree::FromProtobuf(
nodes_affected_by_outer_viewport_bounds_delta_.push_back(
data.nodes_affected_by_outer_viewport_bounds_delta(i));
}
+
+ DCHECK_EQ(static_cast<int>(cached_data_.size()), 1);
+ cached_data_.back().FromProtobuf(data.cached_data(0));
+ for (int i = 1; i < data.cached_data_size(); ++i) {
+ cached_data_.push_back(TransformCachedNodeData());
+ cached_data_.back().FromProtobuf(data.cached_data(i));
+ }
}
EffectTree::EffectTree() {}
@@ -1385,9 +1495,9 @@ void EffectTree::UpdateBackfaceVisibility(EffectNode* node,
parent_transform_node->data.sorting_context_id ==
transform_node->data.sorting_context_id) {
gfx::Transform surface_draw_transform;
- transform_tree.ComputeTransform(transform_node->id,
- transform_node->data.target_id,
- &surface_draw_transform);
+ transform_tree.ComputeTransform(
+ transform_node->id, transform_tree.TargetId(transform_node->id),
+ &surface_draw_transform);
node->data.hidden_by_backface_visibility =
surface_draw_transform.IsBackFaceVisible();
} else {
@@ -1751,12 +1861,14 @@ void ScrollTree::set_currently_scrolling_node(int scroll_node_id) {
gfx::Transform ScrollTree::ScreenSpaceTransform(int scroll_node_id) const {
const ScrollNode* scroll_node = Node(scroll_node_id);
+ const TransformTree& transform_tree = property_trees()->transform_tree;
const TransformNode* transform_node =
- property_trees()->transform_tree.Node(scroll_node->data.transform_id);
+ transform_tree.Node(scroll_node->data.transform_id);
gfx::Transform screen_space_transform(
1, 0, 0, 1, scroll_node->data.offset_to_transform_parent.x(),
scroll_node->data.offset_to_transform_parent.y());
- screen_space_transform.ConcatTransform(transform_node->data.to_screen);
+ screen_space_transform.ConcatTransform(
+ transform_tree.ToScreen(transform_node->id));
if (scroll_node->data.should_flatten)
screen_space_transform.FlattenTo2d();
return screen_space_transform;
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