blob: 973885887424b18c70560375d5585bb2c6e992ee [file] [log] [blame]
// Copyright 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/trees/layer_tree_host_common.h"
#include <stddef.h>
#include <algorithm>
#include "base/containers/adapters.h"
#include "base/trace_event/trace_event.h"
#include "cc/base/math_util.h"
#include "cc/layers/heads_up_display_layer_impl.h"
#include "cc/layers/layer.h"
#include "cc/layers/layer_impl.h"
#include "cc/trees/draw_property_utils.h"
#include "cc/trees/effect_node.h"
#include "cc/trees/layer_tree_host.h"
#include "cc/trees/layer_tree_impl.h"
#include "cc/trees/property_tree_builder.h"
#include "cc/trees/scroll_node.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/vector2d_conversions.h"
#include "ui/gfx/transform.h"
#include "ui/gfx/transform_util.h"
namespace cc {
LayerTreeHostCommon::CalcDrawPropsMainInputsForTesting::
CalcDrawPropsMainInputsForTesting(Layer* root_layer,
const gfx::Size& device_viewport_size,
const gfx::Transform& device_transform,
float device_scale_factor,
float page_scale_factor,
const Layer* page_scale_layer,
const Layer* inner_viewport_scroll_layer,
const Layer* outer_viewport_scroll_layer)
: root_layer(root_layer),
device_viewport_size(device_viewport_size),
device_transform(device_transform),
device_scale_factor(device_scale_factor),
page_scale_factor(page_scale_factor),
page_scale_layer(page_scale_layer),
inner_viewport_scroll_layer(inner_viewport_scroll_layer),
outer_viewport_scroll_layer(outer_viewport_scroll_layer) {}
LayerTreeHostCommon::CalcDrawPropsMainInputsForTesting::
CalcDrawPropsMainInputsForTesting(Layer* root_layer,
const gfx::Size& device_viewport_size,
const gfx::Transform& device_transform)
: CalcDrawPropsMainInputsForTesting(root_layer,
device_viewport_size,
device_transform,
1.f,
1.f,
NULL,
NULL,
NULL) {}
LayerTreeHostCommon::CalcDrawPropsMainInputsForTesting::
CalcDrawPropsMainInputsForTesting(Layer* root_layer,
const gfx::Size& device_viewport_size)
: CalcDrawPropsMainInputsForTesting(root_layer,
device_viewport_size,
gfx::Transform()) {}
LayerTreeHostCommon::CalcDrawPropsImplInputs::CalcDrawPropsImplInputs(
LayerImpl* root_layer,
const gfx::Size& device_viewport_size,
const gfx::Transform& device_transform,
float device_scale_factor,
float page_scale_factor,
const LayerImpl* page_scale_layer,
const LayerImpl* inner_viewport_scroll_layer,
const LayerImpl* outer_viewport_scroll_layer,
const gfx::Vector2dF& elastic_overscroll,
const LayerImpl* elastic_overscroll_application_layer,
int max_texture_size,
bool can_render_to_separate_surface,
bool can_adjust_raster_scales,
LayerImplList* render_surface_layer_list,
PropertyTrees* property_trees)
: root_layer(root_layer),
device_viewport_size(device_viewport_size),
device_transform(device_transform),
device_scale_factor(device_scale_factor),
page_scale_factor(page_scale_factor),
page_scale_layer(page_scale_layer),
inner_viewport_scroll_layer(inner_viewport_scroll_layer),
outer_viewport_scroll_layer(outer_viewport_scroll_layer),
elastic_overscroll(elastic_overscroll),
elastic_overscroll_application_layer(
elastic_overscroll_application_layer),
max_texture_size(max_texture_size),
can_render_to_separate_surface(can_render_to_separate_surface),
can_adjust_raster_scales(can_adjust_raster_scales),
render_surface_layer_list(render_surface_layer_list),
property_trees(property_trees) {}
LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting::
CalcDrawPropsImplInputsForTesting(LayerImpl* root_layer,
const gfx::Size& device_viewport_size,
const gfx::Transform& device_transform,
float device_scale_factor,
LayerImplList* render_surface_layer_list)
: CalcDrawPropsImplInputs(root_layer,
device_viewport_size,
device_transform,
device_scale_factor,
1.f,
NULL,
NULL,
NULL,
gfx::Vector2dF(),
NULL,
std::numeric_limits<int>::max() / 2,
true,
false,
render_surface_layer_list,
GetPropertyTrees(root_layer)) {
DCHECK(root_layer);
DCHECK(render_surface_layer_list);
}
LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting::
CalcDrawPropsImplInputsForTesting(LayerImpl* root_layer,
const gfx::Size& device_viewport_size,
const gfx::Transform& device_transform,
LayerImplList* render_surface_layer_list)
: CalcDrawPropsImplInputsForTesting(root_layer,
device_viewport_size,
device_transform,
1.f,
render_surface_layer_list) {}
LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting::
CalcDrawPropsImplInputsForTesting(LayerImpl* root_layer,
const gfx::Size& device_viewport_size,
LayerImplList* render_surface_layer_list)
: CalcDrawPropsImplInputsForTesting(root_layer,
device_viewport_size,
gfx::Transform(),
1.f,
render_surface_layer_list) {}
LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting::
CalcDrawPropsImplInputsForTesting(LayerImpl* root_layer,
const gfx::Size& device_viewport_size,
float device_scale_factor,
LayerImplList* render_surface_layer_list)
: CalcDrawPropsImplInputsForTesting(root_layer,
device_viewport_size,
gfx::Transform(),
device_scale_factor,
render_surface_layer_list) {}
LayerTreeHostCommon::ScrollUpdateInfo::ScrollUpdateInfo()
: layer_id(Layer::INVALID_ID) {}
bool LayerTreeHostCommon::ScrollUpdateInfo::operator==(
const LayerTreeHostCommon::ScrollUpdateInfo& other) const {
return layer_id == other.layer_id && scroll_delta == other.scroll_delta;
}
LayerTreeHostCommon::ScrollbarsUpdateInfo::ScrollbarsUpdateInfo()
: element_id(), hidden(true) {}
LayerTreeHostCommon::ScrollbarsUpdateInfo::ScrollbarsUpdateInfo(ElementId id,
bool hidden)
: element_id(id), hidden(hidden) {}
bool LayerTreeHostCommon::ScrollbarsUpdateInfo::operator==(
const LayerTreeHostCommon::ScrollbarsUpdateInfo& other) const {
return element_id == other.element_id && hidden == other.hidden;
}
ScrollAndScaleSet::ScrollAndScaleSet()
: page_scale_delta(1.f),
top_controls_delta(0.f),
has_scrolled_by_wheel(false),
has_scrolled_by_touch(false) {}
ScrollAndScaleSet::~ScrollAndScaleSet() {}
static inline void SetMaskLayersAreDrawnRenderSurfaceLayerListMembers(
RenderSurfaceImpl* surface,
PropertyTrees* property_trees) {
LayerImpl* mask_layer = surface->MaskLayer();
if (mask_layer) {
mask_layer->set_is_drawn_render_surface_layer_list_member(true);
draw_property_utils::ComputeMaskDrawProperties(mask_layer, property_trees);
}
}
static inline void ClearMaskLayersAreDrawnRenderSurfaceLayerListMembers(
RenderSurfaceImpl* surface) {
LayerImpl* mask_layer = surface->MaskLayer();
if (mask_layer)
mask_layer->set_is_drawn_render_surface_layer_list_member(false);
}
static inline void ClearIsDrawnRenderSurfaceLayerListMember(
LayerImplList* layer_list,
ScrollTree* scroll_tree) {
for (LayerImpl* layer : *layer_list)
layer->set_is_drawn_render_surface_layer_list_member(false);
}
static bool CdpPerfTracingEnabled() {
bool tracing_enabled;
TRACE_EVENT_CATEGORY_GROUP_ENABLED("cdp.perf", &tracing_enabled);
return tracing_enabled;
}
static float TranslationFromActiveTreeLayerScreenSpaceTransform(
LayerImpl* pending_tree_layer) {
LayerTreeImpl* layer_tree_impl = pending_tree_layer->layer_tree_impl();
if (layer_tree_impl) {
LayerImpl* active_tree_layer =
layer_tree_impl->FindActiveTreeLayerById(pending_tree_layer->id());
if (active_tree_layer) {
gfx::Transform active_tree_screen_space_transform =
active_tree_layer->draw_properties().screen_space_transform;
if (active_tree_screen_space_transform.IsIdentity())
return 0.f;
if (active_tree_screen_space_transform.ApproximatelyEqual(
pending_tree_layer->draw_properties().screen_space_transform))
return 0.f;
return (active_tree_layer->draw_properties()
.screen_space_transform.To2dTranslation() -
pending_tree_layer->draw_properties()
.screen_space_transform.To2dTranslation())
.Length();
}
}
return 0.f;
}
// A layer jitters if its screen space transform is same on two successive
// commits, but has changed in between the commits. CalculateLayerJitter
// computes the jitter for the layer.
int LayerTreeHostCommon::CalculateLayerJitter(LayerImpl* layer) {
float jitter = 0.f;
layer->performance_properties().translation_from_last_frame = 0.f;
layer->performance_properties().last_commit_screen_space_transform =
layer->draw_properties().screen_space_transform;
if (!layer->visible_layer_rect().IsEmpty()) {
if (layer->draw_properties().screen_space_transform.ApproximatelyEqual(
layer->performance_properties()
.last_commit_screen_space_transform)) {
float translation_from_last_commit =
TranslationFromActiveTreeLayerScreenSpaceTransform(layer);
if (translation_from_last_commit > 0.f) {
layer->performance_properties().num_fixed_point_hits++;
layer->performance_properties().translation_from_last_frame =
translation_from_last_commit;
if (layer->performance_properties().num_fixed_point_hits >
layer->layer_tree_impl()->kFixedPointHitsThreshold) {
// Jitter = Translation from fixed point * sqrt(Area of the layer).
// The square root of the area is used instead of the area to match
// the dimensions of both terms on the rhs.
jitter += translation_from_last_commit *
sqrt(layer->visible_layer_rect().size().GetArea());
}
} else {
layer->performance_properties().num_fixed_point_hits = 0;
}
}
}
return jitter;
}
enum PropertyTreeOption {
BUILD_PROPERTY_TREES_IF_NEEDED,
DONT_BUILD_PROPERTY_TREES
};
static void ComputeInitialRenderSurfaceLayerList(
LayerTreeImpl* layer_tree_impl,
PropertyTrees* property_trees,
LayerImplList* render_surface_layer_list,
bool can_render_to_separate_surface) {
// Add all non-skipped surfaces to the initial render surface layer list. Add
// all non-skipped layers to the layer list of their target surface, and
// add their content rect to their target surface's accumulated content rect.
for (LayerImpl* layer : *layer_tree_impl) {
RenderSurfaceImpl* render_surface = layer->GetRenderSurface();
if (render_surface) {
render_surface->ClearLayerLists();
ClearMaskLayersAreDrawnRenderSurfaceLayerListMembers(render_surface);
}
layer->set_is_drawn_render_surface_layer_list_member(false);
bool is_root = layer_tree_impl->IsRootLayer(layer);
bool skip_layer = !is_root && draw_property_utils::LayerShouldBeSkipped(
layer, property_trees->transform_tree,
property_trees->effect_tree);
if (skip_layer)
continue;
bool render_to_separate_surface =
is_root || (can_render_to_separate_surface && render_surface);
if (render_to_separate_surface) {
DCHECK(render_surface);
DCHECK(layer->render_target() == render_surface);
render_surface->ClearAccumulatedContentRect();
render_surface_layer_list->push_back(layer);
if (is_root) {
// The root surface does not contribute to any other surface, it has no
// target.
render_surface->set_contributes_to_drawn_surface(false);
} else {
render_surface->render_target()->layer_list().push_back(layer);
bool contributes_to_drawn_surface =
property_trees->effect_tree.ContributesToDrawnSurface(
layer->effect_tree_index());
render_surface->set_contributes_to_drawn_surface(
contributes_to_drawn_surface);
}
draw_property_utils::ComputeSurfaceDrawProperties(property_trees,
render_surface);
// Ignore occlusion from outside the surface when surface contents need to
// be fully drawn. Layers with copy-request need to be complete. We could
// be smarter about layers with filters that move pixels and exclude
// regions where both layers and the filters are occluded, but this seems
// like overkill.
// TODO(senorblanco): make this smarter for the SkImageFilter case (check
// for pixel-moving filters)
const FilterOperations& filters = render_surface->Filters();
bool is_occlusion_immune = render_surface->HasCopyRequest() ||
filters.HasReferenceFilter() ||
filters.HasFilterThatMovesPixels();
if (is_occlusion_immune) {
render_surface->SetNearestOcclusionImmuneAncestor(render_surface);
} else if (is_root) {
render_surface->SetNearestOcclusionImmuneAncestor(nullptr);
} else {
render_surface->SetNearestOcclusionImmuneAncestor(
render_surface->render_target()
->nearest_occlusion_immune_ancestor());
}
}
bool layer_is_drawn =
property_trees->effect_tree.Node(layer->effect_tree_index())->is_drawn;
bool layer_should_be_drawn = draw_property_utils::LayerNeedsUpdate(
layer, layer_is_drawn, property_trees);
if (!layer_should_be_drawn)
continue;
layer->set_is_drawn_render_surface_layer_list_member(true);
layer->render_target()->layer_list().push_back(layer);
// The layer contributes its drawable content rect to its render target.
layer->render_target()->AccumulateContentRectFromContributingLayer(layer);
}
}
static void ComputeSurfaceContentRects(LayerTreeImpl* layer_tree_impl,
PropertyTrees* property_trees,
LayerImplList* render_surface_layer_list,
int max_texture_size) {
// Walk the list backwards, accumulating each surface's content rect into its
// target's content rect.
for (LayerImpl* layer : base::Reversed(*render_surface_layer_list)) {
RenderSurfaceImpl* render_surface = layer->GetRenderSurface();
if (layer_tree_impl->IsRootLayer(layer)) {
// The root layer's surface content rect is always the entire viewport.
render_surface->SetContentRectToViewport();
continue;
}
// Now all contributing drawable content rect has been accumulated to this
// render surface, calculate the content rect.
render_surface->CalculateContentRectFromAccumulatedContentRect(
max_texture_size);
// Now the render surface's content rect is calculated correctly, it could
// contribute to its render target.
render_surface->render_target()
->AccumulateContentRectFromContributingRenderSurface(render_surface);
}
}
static void ComputeListOfNonEmptySurfaces(LayerTreeImpl* layer_tree_impl,
PropertyTrees* property_trees,
LayerImplList* initial_surface_list,
LayerImplList* final_surface_list) {
// Walk the initial surface list forwards. The root surface and each
// surface with a non-empty content rect go into the final render surface
// layer list. Surfaces with empty content rects or whose target isn't in
// the final list do not get added to the final list.
for (LayerImpl* layer : *initial_surface_list) {
bool is_root = layer_tree_impl->IsRootLayer(layer);
RenderSurfaceImpl* surface = layer->GetRenderSurface();
RenderSurfaceImpl* target_surface = surface->render_target();
if (!is_root && (surface->content_rect().IsEmpty() ||
target_surface->layer_list().empty())) {
ClearIsDrawnRenderSurfaceLayerListMember(&surface->layer_list(),
&property_trees->scroll_tree);
surface->ClearLayerLists();
LayerImplList& target_list = target_surface->layer_list();
auto it = std::find(target_list.begin(), target_list.end(), layer);
if (it != target_list.end()) {
target_list.erase(it);
// This surface has an empty content rect. If its target's layer list
// had no other layers, then its target would also have had an empty
// content rect, meaning it would have been removed and had its layer
// list cleared when we visited it, unless the target surface is the
// root surface.
DCHECK(!target_surface->layer_list().empty() ||
target_surface->render_target() == target_surface);
}
continue;
}
SetMaskLayersAreDrawnRenderSurfaceLayerListMembers(surface, property_trees);
final_surface_list->push_back(layer);
}
}
static void CalculateRenderSurfaceLayerList(
LayerTreeImpl* layer_tree_impl,
PropertyTrees* property_trees,
LayerImplList* render_surface_layer_list,
const bool can_render_to_separate_surface,
const int max_texture_size) {
// This calculates top level Render Surface Layer List, and Layer List for all
// Render Surfaces.
// |render_surface_layer_list| is the top level RenderSurfaceLayerList.
LayerImplList initial_render_surface_list;
// First compute an RSLL that might include surfaces that later turn out to
// have an empty content rect. After surface content rects are computed,
// produce a final RSLL that omits empty surfaces.
ComputeInitialRenderSurfaceLayerList(layer_tree_impl, property_trees,
&initial_render_surface_list,
can_render_to_separate_surface);
ComputeSurfaceContentRects(layer_tree_impl, property_trees,
&initial_render_surface_list, max_texture_size);
ComputeListOfNonEmptySurfaces(layer_tree_impl, property_trees,
&initial_render_surface_list,
render_surface_layer_list);
}
void CalculateDrawPropertiesInternal(
LayerTreeHostCommon::CalcDrawPropsImplInputs* inputs,
PropertyTreeOption property_tree_option) {
inputs->render_surface_layer_list->clear();
const bool should_measure_property_tree_performance =
property_tree_option == BUILD_PROPERTY_TREES_IF_NEEDED;
LayerImplList visible_layer_list;
switch (property_tree_option) {
case BUILD_PROPERTY_TREES_IF_NEEDED: {
// The translation from layer to property trees is an intermediate
// state. We will eventually get these data passed directly to the
// compositor.
if (should_measure_property_tree_performance) {
TRACE_EVENT_BEGIN0(
TRACE_DISABLED_BY_DEFAULT("cc.debug.cdp-perf"),
"LayerTreeHostCommon::ComputeVisibleRectsWithPropertyTrees");
}
PropertyTreeBuilder::BuildPropertyTrees(
inputs->root_layer, inputs->page_scale_layer,
inputs->inner_viewport_scroll_layer,
inputs->outer_viewport_scroll_layer,
inputs->elastic_overscroll_application_layer,
inputs->elastic_overscroll, inputs->page_scale_factor,
inputs->device_scale_factor, gfx::Rect(inputs->device_viewport_size),
inputs->device_transform, inputs->property_trees);
draw_property_utils::UpdatePropertyTreesAndRenderSurfaces(
inputs->root_layer, inputs->property_trees,
inputs->can_render_to_separate_surface,
inputs->can_adjust_raster_scales);
// Property trees are normally constructed on the main thread and
// passed to compositor thread. Source to parent updates on them are not
// allowed in the compositor thread. Some tests build them on the
// compositor thread, so we need to explicitly disallow source to parent
// updates when they are built on compositor thread.
inputs->property_trees->transform_tree
.set_source_to_parent_updates_allowed(false);
if (should_measure_property_tree_performance) {
TRACE_EVENT_END0(
TRACE_DISABLED_BY_DEFAULT("cc.debug.cdp-perf"),
"LayerTreeHostCommon::ComputeVisibleRectsWithPropertyTrees");
}
break;
}
case DONT_BUILD_PROPERTY_TREES: {
TRACE_EVENT0(
TRACE_DISABLED_BY_DEFAULT("cc.debug.cdp-perf"),
"LayerTreeHostCommon::ComputeJustVisibleRectsWithPropertyTrees");
// Since page scale and elastic overscroll are SyncedProperties, changes
// on the active tree immediately affect the pending tree, so instead of
// trying to update property trees whenever these values change, we
// update property trees before using them.
draw_property_utils::UpdatePageScaleFactor(
inputs->property_trees, inputs->page_scale_layer,
inputs->page_scale_factor, inputs->device_scale_factor,
inputs->device_transform);
draw_property_utils::UpdateElasticOverscroll(
inputs->property_trees, inputs->elastic_overscroll_application_layer,
inputs->elastic_overscroll);
// Similarly, the device viewport and device transform are shared
// by both trees.
PropertyTrees* property_trees = inputs->property_trees;
property_trees->clip_tree.SetViewportClip(
gfx::RectF(gfx::SizeF(inputs->device_viewport_size)));
float page_scale_factor_for_root =
inputs->page_scale_layer == inputs->root_layer
? inputs->page_scale_factor
: 1.f;
property_trees->transform_tree.SetRootTransformsAndScales(
inputs->device_scale_factor, page_scale_factor_for_root,
inputs->device_transform, inputs->root_layer->position());
draw_property_utils::UpdatePropertyTreesAndRenderSurfaces(
inputs->root_layer, inputs->property_trees,
inputs->can_render_to_separate_surface,
inputs->can_adjust_raster_scales);
break;
}
}
if (should_measure_property_tree_performance) {
TRACE_EVENT_BEGIN0(TRACE_DISABLED_BY_DEFAULT("cc.debug.cdp-perf"),
"LayerTreeHostCommon::CalculateDrawProperties");
}
draw_property_utils::FindLayersThatNeedUpdates(
inputs->root_layer->layer_tree_impl(), inputs->property_trees,
&visible_layer_list);
DCHECK(inputs->can_render_to_separate_surface ==
inputs->property_trees->non_root_surfaces_enabled);
draw_property_utils::ComputeDrawPropertiesOfVisibleLayers(
&visible_layer_list, inputs->property_trees);
CalculateRenderSurfaceLayerList(
inputs->root_layer->layer_tree_impl(), inputs->property_trees,
inputs->render_surface_layer_list, inputs->can_render_to_separate_surface,
inputs->max_texture_size);
if (should_measure_property_tree_performance) {
TRACE_EVENT_END0(TRACE_DISABLED_BY_DEFAULT("cc.debug.cdp-perf"),
"LayerTreeHostCommon::CalculateDrawProperties");
}
// A root layer render_surface should always exist after
// CalculateDrawProperties.
DCHECK(inputs->root_layer->GetRenderSurface());
}
void LayerTreeHostCommon::CalculateDrawPropertiesForTesting(
CalcDrawPropsMainInputsForTesting* inputs) {
LayerList update_layer_list;
bool can_render_to_separate_surface = true;
PropertyTrees* property_trees =
inputs->root_layer->layer_tree_host()->property_trees();
Layer* overscroll_elasticity_layer = nullptr;
gfx::Vector2dF elastic_overscroll;
PropertyTreeBuilder::BuildPropertyTrees(
inputs->root_layer, inputs->page_scale_layer,
inputs->inner_viewport_scroll_layer, inputs->outer_viewport_scroll_layer,
overscroll_elasticity_layer, elastic_overscroll,
inputs->page_scale_factor, inputs->device_scale_factor,
gfx::Rect(inputs->device_viewport_size), inputs->device_transform,
property_trees);
draw_property_utils::UpdatePropertyTrees(
inputs->root_layer->layer_tree_host(), property_trees,
can_render_to_separate_surface);
draw_property_utils::FindLayersThatNeedUpdates(
inputs->root_layer->layer_tree_host(), property_trees,
&update_layer_list);
}
void LayerTreeHostCommon::CalculateDrawProperties(
CalcDrawPropsImplInputs* inputs) {
CalculateDrawPropertiesInternal(inputs, DONT_BUILD_PROPERTY_TREES);
if (CdpPerfTracingEnabled()) {
LayerTreeImpl* layer_tree_impl = inputs->root_layer->layer_tree_impl();
if (layer_tree_impl->IsPendingTree() &&
layer_tree_impl->is_first_frame_after_commit()) {
LayerImpl* active_tree_root =
layer_tree_impl->FindActiveTreeLayerById(inputs->root_layer->id());
float jitter = 0.f;
if (active_tree_root) {
int last_scrolled_node_index =
active_tree_root->layer_tree_impl()->LastScrolledScrollNodeIndex();
if (last_scrolled_node_index != ScrollTree::kInvalidNodeId) {
std::unordered_set<int> jitter_nodes;
for (auto* layer : *layer_tree_impl) {
// Layers that have the same scroll tree index jitter together. So,
// it is enough to calculate jitter on one of these layers. So,
// after we find a jittering layer, we need not consider other
// layers with the same scroll tree index.
int scroll_tree_index = layer->scroll_tree_index();
if (last_scrolled_node_index <= scroll_tree_index &&
jitter_nodes.find(scroll_tree_index) == jitter_nodes.end()) {
float layer_jitter = CalculateLayerJitter(layer);
if (layer_jitter > 0.f) {
jitter_nodes.insert(layer->scroll_tree_index());
jitter += layer_jitter;
}
}
}
}
}
TRACE_EVENT_ASYNC_BEGIN1(
"cdp.perf", "jitter",
inputs->root_layer->layer_tree_impl()->source_frame_number(), "value",
jitter);
inputs->root_layer->layer_tree_impl()->set_is_first_frame_after_commit(
false);
TRACE_EVENT_ASYNC_END1(
"cdp.perf", "jitter",
inputs->root_layer->layer_tree_impl()->source_frame_number(), "value",
jitter);
}
}
}
void LayerTreeHostCommon::CalculateDrawPropertiesForTesting(
CalcDrawPropsImplInputsForTesting* inputs) {
CalculateDrawPropertiesInternal(inputs, BUILD_PROPERTY_TREES_IF_NEEDED);
}
PropertyTrees* GetPropertyTrees(Layer* layer) {
return layer->layer_tree_host()->property_trees();
}
PropertyTrees* GetPropertyTrees(LayerImpl* layer) {
return layer->layer_tree_impl()->property_trees();
}
} // namespace cc