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Copy pathdamage_tracker_unittest.cc
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damage_tracker_unittest.cc
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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/trees/damage_tracker.h"
#include <stddef.h>
#include <limits>
#include "base/memory/ptr_util.h"
#include "base/memory/raw_ptr.h"
#include "cc/base/math_util.h"
#include "cc/layers/layer_impl.h"
#include "cc/paint/filter_operation.h"
#include "cc/paint/filter_operations.h"
#include "cc/test/fake_picture_layer_impl.h"
#include "cc/test/fake_raster_source.h"
#include "cc/test/layer_tree_impl_test_base.h"
#include "cc/test/property_tree_test_utils.h"
#include "cc/trees/effect_node.h"
#include "cc/trees/layer_tree_impl.h"
#include "cc/trees/single_thread_proxy.h"
#include "cc/trees/transform_node.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/vector2d_f.h"
namespace cc {
namespace {
class TestLayerImpl : public LayerImpl {
public:
static std::unique_ptr<TestLayerImpl> Create(LayerTreeImpl* tree_impl,
int id) {
return base::WrapUnique(new TestLayerImpl(tree_impl, id));
}
void AddDamageRect(const gfx::Rect& damage_rect);
// LayerImpl overrides.
gfx::Rect GetDamageRect() const override;
void ResetChangeTracking() override;
private:
TestLayerImpl(LayerTreeImpl* tree_impl, int id);
gfx::Rect damage_rect_;
};
TestLayerImpl::TestLayerImpl(LayerTreeImpl* tree_impl, int id)
: LayerImpl(tree_impl, id) {}
void TestLayerImpl::AddDamageRect(const gfx::Rect& damage_rect) {
damage_rect_.Union(damage_rect);
}
gfx::Rect TestLayerImpl::GetDamageRect() const {
return damage_rect_;
}
void TestLayerImpl::ResetChangeTracking() {
LayerImpl::ResetChangeTracking();
damage_rect_.SetRect(0, 0, 0, 0);
}
void ClearDamageForAllSurfaces(LayerImpl* root) {
for (auto* layer : *root->layer_tree_impl()) {
if (GetRenderSurface(layer))
GetRenderSurface(layer)->damage_tracker()->DidDrawDamagedArea();
layer->ResetChangeTracking();
}
}
void SetCopyRequest(LayerImpl* root) {
auto* root_node =
root->layer_tree_impl()->property_trees()->effect_tree_mutable().Node(
root->effect_tree_index());
root_node->has_copy_request = true;
root->layer_tree_impl()
->property_trees()
->effect_tree_mutable()
.set_needs_update(true);
}
class DamageTrackerTest : public LayerTreeImplTestBase, public testing::Test {
public:
LayerImpl* CreateTestTreeWithOneSurface(int number_of_children) {
ClearLayersAndProperties();
LayerImpl* root = root_layer();
root->SetBounds(gfx::Size(500, 500));
root->layer_tree_impl()->SetDeviceViewportRect(gfx::Rect(root->bounds()));
root->SetDrawsContent(true);
SetupRootProperties(root);
child_layers_.resize(number_of_children);
for (int i = 0; i < number_of_children; ++i) {
auto* child = AddLayer<TestLayerImpl>();
child->SetBounds(gfx::Size(30, 30));
child->SetDrawsContent(true);
child_layers_[i] = child;
CopyProperties(root, child);
child->SetOffsetToTransformParent(gfx::Vector2dF(100.f, 100.f));
}
SetElementIdsForTesting();
return root;
}
LayerImpl* CreateTestTreeWithTwoSurfaces() {
// This test tree has two render surfaces: one for the root, and one for
// child1. Additionally, the root has a second child layer, and child1 has
// two children of its own.
ClearLayersAndProperties();
LayerImpl* root = root_layer();
root->SetBounds(gfx::Size(500, 500));
root->layer_tree_impl()->SetDeviceViewportRect(gfx::Rect(root->bounds()));
root->SetDrawsContent(true);
SetupRootProperties(root);
child1_ = AddLayer<TestLayerImpl>();
grand_child1_ = AddLayer<TestLayerImpl>();
grand_child2_ = AddLayer<TestLayerImpl>();
child2_ = AddLayer<TestLayerImpl>();
SetElementIdsForTesting();
child1_->SetBounds(gfx::Size(30, 30));
// With a child that draws_content, opacity will cause the layer to create
// its own RenderSurface. This layer does not draw, but is intended to
// create its own RenderSurface.
child1_->SetDrawsContent(false);
CopyProperties(root, child1_);
CreateTransformNode(child1_).post_translation =
gfx::Vector2dF(100.f, 100.f);
CreateEffectNode(child1_).render_surface_reason =
RenderSurfaceReason::kTest;
grand_child1_->SetBounds(gfx::Size(6, 8));
grand_child1_->SetDrawsContent(true);
CopyProperties(child1_, grand_child1_);
grand_child1_->SetOffsetToTransformParent(gfx::Vector2dF(200.f, 200.f));
grand_child2_->SetBounds(gfx::Size(6, 8));
grand_child2_->SetDrawsContent(true);
CopyProperties(child1_, grand_child2_);
grand_child2_->SetOffsetToTransformParent(gfx::Vector2dF(190.f, 190.f));
child2_->SetBounds(gfx::Size(18, 18));
child2_->SetDrawsContent(true);
CopyProperties(root, child2_);
child2_->SetOffsetToTransformParent(gfx::Vector2dF(11.f, 11.f));
return root;
}
LayerImpl* CreateTestTreeWithFourSurfaces() {
// This test tree has four render surfaces: one each for the root, child1_,
// grand_child3_ and grand_child4_. child1_ has four children of its own.
// Additionally, the root has a second child layer.
// child1_ has a screen space rect 270,270 36x38, from
// - grand_child1_ 300,300, 6x8
// - grand_child2_ 290,290, 6x8
// - grand_child3_ 270,270, 6x8
// - grand_child4_ 280,280, 15x16
// child2_ has a screen space rect 11,11 18x18
ClearLayersAndProperties();
LayerImpl* root = root_layer();
root->SetBounds(gfx::Size(500, 500));
root->layer_tree_impl()->SetDeviceViewportRect(gfx::Rect(root->bounds()));
root->SetDrawsContent(true);
SetupRootProperties(root);
child1_ = AddLayer<TestLayerImpl>();
grand_child1_ = AddLayer<TestLayerImpl>();
grand_child2_ = AddLayer<TestLayerImpl>();
grand_child3_ = AddLayer<TestLayerImpl>();
grand_child4_ = AddLayer<TestLayerImpl>();
child2_ = AddLayer<TestLayerImpl>();
SetElementIdsForTesting();
child1_->SetBounds(gfx::Size(30, 30));
// With a child that draws_content, opacity will cause the layer to create
// its own RenderSurface. This layer does not draw, but is intended to
// create its own RenderSurface.
child1_->SetDrawsContent(false);
CopyProperties(root, child1_);
CreateTransformNode(child1_).post_translation =
gfx::Vector2dF(100.f, 100.f);
CreateEffectNode(child1_).render_surface_reason =
RenderSurfaceReason::kTest;
grand_child1_->SetBounds(gfx::Size(6, 8));
grand_child1_->SetDrawsContent(true);
CopyProperties(child1_, grand_child1_);
grand_child1_->SetOffsetToTransformParent(gfx::Vector2dF(200.f, 200.f));
grand_child2_->SetBounds(gfx::Size(6, 8));
grand_child2_->SetDrawsContent(true);
CopyProperties(child1_, grand_child2_);
grand_child2_->SetOffsetToTransformParent(gfx::Vector2dF(190.f, 190.f));
grand_child3_->SetBounds(gfx::Size(6, 8));
grand_child3_->SetDrawsContent(true);
CopyProperties(child1_, grand_child3_);
CreateEffectNode(grand_child3_).render_surface_reason =
RenderSurfaceReason::kTest;
CreateTransformNode(grand_child3_).post_translation =
gfx::Vector2dF(170.f, 170.f);
grand_child4_->SetBounds(gfx::Size(15, 16));
grand_child4_->SetDrawsContent(true);
CopyProperties(child1_, grand_child4_);
CreateEffectNode(grand_child4_).render_surface_reason =
RenderSurfaceReason::kTest;
CreateTransformNode(grand_child4_).post_translation =
gfx::Vector2dF(180.f, 180.f);
child2_->SetBounds(gfx::Size(18, 18));
child2_->SetDrawsContent(true);
CopyProperties(root, child2_);
child2_->SetOffsetToTransformParent(gfx::Vector2dF(11.f, 11.f));
return root;
}
LayerImpl* CreateAndSetUpTestTreeWithOneSurface(int number_of_children = 1) {
LayerImpl* root = CreateTestTreeWithOneSurface(number_of_children);
// Setup includes going past the first frame which always damages
// everything, so that we can actually perform specific tests.
EmulateDrawingOneFrame(root);
return root;
}
LayerImpl* CreateAndSetUpTestTreeWithTwoSurfaces() {
LayerImpl* root = CreateTestTreeWithTwoSurfaces();
// Setup includes going past the first frame which always damages
// everything, so that we can actually perform specific tests.
EmulateDrawingOneFrame(root);
return root;
}
LayerImpl* CreateAndSetUpTestTreeWithTwoSurfacesDrawingFullyVisible() {
LayerImpl* root = CreateTestTreeWithTwoSurfaces();
// Make sure render surface takes content outside visible rect into
// consideration.
root->layer_tree_impl()
->property_trees()
->effect_tree_mutable()
.Node(child1_->effect_tree_index())
->backdrop_filters.Append(
FilterOperation::CreateZoomFilter(2.f /* zoom */, 0 /* inset */));
// Setup includes going past the first frame which always damages
// everything, so that we can actually perform specific tests.
EmulateDrawingOneFrame(root);
return root;
}
LayerImpl* CreateAndSetUpTestTreeWithFourSurfaces() {
LayerImpl* root = CreateTestTreeWithFourSurfaces();
// Setup includes going past the first frame which always damages
// everything, so that we can actually perform specific tests.
EmulateDrawingOneFrame(root);
return root;
}
void EmulateDrawingOneFrame(LayerImpl* root,
float device_scale_factor = 1.f) {
// This emulates only steps that are relevant to testing the damage tracker:
// 1. computing the render passes and layerlists
// 2. updating all damage trackers in the correct order
// 3. resetting all update_rects and property_changed flags for all layers
// and surfaces.
root->layer_tree_impl()->SetDeviceScaleFactor(device_scale_factor);
root->layer_tree_impl()->set_needs_update_draw_properties();
UpdateDrawProperties(root->layer_tree_impl());
DamageTracker::UpdateDamageTracking(root->layer_tree_impl());
root->layer_tree_impl()->ResetAllChangeTracking();
}
protected:
void ClearLayersAndProperties() {
host_impl()->active_tree()->DetachLayersKeepingRootLayerForTesting();
host_impl()->active_tree()->property_trees()->clear();
child_layers_.clear();
child1_ = child2_ = grand_child1_ = grand_child2_ = grand_child3_ =
grand_child4_ = nullptr;
}
// Stores result of CreateTestTreeWithOneSurface().
std::vector<TestLayerImpl*> child_layers_;
// Store result of CreateTestTreeWithTwoSurfaces().
raw_ptr<TestLayerImpl> child1_ = nullptr;
raw_ptr<TestLayerImpl> child2_ = nullptr;
raw_ptr<TestLayerImpl> grand_child1_ = nullptr;
raw_ptr<TestLayerImpl> grand_child2_ = nullptr;
raw_ptr<TestLayerImpl> grand_child3_ = nullptr;
raw_ptr<TestLayerImpl> grand_child4_ = nullptr;
};
TEST_F(DamageTrackerTest, SanityCheckTestTreeWithOneSurface) {
// Sanity check that the simple test tree will actually produce the expected
// render surfaces.
LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
LayerImpl* child = child_layers_[0];
EXPECT_EQ(2, GetRenderSurface(root)->num_contributors());
EXPECT_TRUE(root->contributes_to_drawn_render_surface());
EXPECT_TRUE(child->contributes_to_drawn_render_surface());
gfx::Rect root_damage_rect;
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(gfx::Rect(500, 500).ToString(), root_damage_rect.ToString());
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
}
TEST_F(DamageTrackerTest, SanityCheckTestTreeWithTwoSurfaces) {
// Sanity check that the complex test tree will actually produce the expected
// render surfaces.
LayerImpl* root = CreateAndSetUpTestTreeWithTwoSurfaces();
gfx::Rect child_damage_rect;
EXPECT_TRUE(GetRenderSurface(child1_)->damage_tracker()->GetDamageRectIfValid(
&child_damage_rect));
gfx::Rect root_damage_rect;
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_NE(GetRenderSurface(child1_), GetRenderSurface(root));
EXPECT_EQ(GetRenderSurface(child2_), GetRenderSurface(root));
EXPECT_EQ(3, GetRenderSurface(root)->num_contributors());
EXPECT_EQ(2, GetRenderSurface(child1_)->num_contributors());
// The render surface for child1_ only has a content_rect that encloses
// grand_child1_ and grand_child2_, because child1_ does not draw content.
EXPECT_EQ(gfx::Rect(190, 190, 16, 18).ToString(),
child_damage_rect.ToString());
EXPECT_EQ(gfx::Rect(500, 500).ToString(), root_damage_rect.ToString());
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_TRUE(GetRenderSurface(child1_)
->damage_tracker()
->has_damage_from_contributing_content());
}
TEST_F(DamageTrackerTest, VerifyDamageForUpdateRects) {
LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
LayerImpl* child = child_layers_[0];
// CASE 1: Setting the update rect should cause the corresponding damage to
// the surface.
ClearDamageForAllSurfaces(root);
child->UnionUpdateRect(gfx::Rect(10, 11, 12, 13));
EmulateDrawingOneFrame(root);
// Damage position on the surface should be: position of update_rect (10, 11)
// relative to the child (100, 100).
gfx::Rect root_damage_rect;
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(gfx::Rect(110, 111, 12, 13).ToString(),
root_damage_rect.ToString());
// CASE 2: The same update rect twice in a row still produces the same
// damage.
ClearDamageForAllSurfaces(root);
child->UnionUpdateRect(gfx::Rect(10, 11, 12, 13));
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(gfx::Rect(110, 111, 12, 13).ToString(),
root_damage_rect.ToString());
// CASE 3: Setting a different update rect should cause damage on the new
// update region, but no additional exposed old region.
ClearDamageForAllSurfaces(root);
child->UnionUpdateRect(gfx::Rect(20, 25, 1, 2));
EmulateDrawingOneFrame(root);
// Damage position on the surface should be: position of update_rect (20, 25)
// relative to the child (100, 100).
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(gfx::Rect(120, 125, 1, 2).ToString(), root_damage_rect.ToString());
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
}
TEST_F(DamageTrackerTest, VerifyDamageForLayerDamageRects) {
LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
TestLayerImpl* child = child_layers_[0];
// CASE 1: Adding the layer damage rect should cause the corresponding damage
// to the surface.
ClearDamageForAllSurfaces(root);
child->AddDamageRect(gfx::Rect(10, 11, 12, 13));
EmulateDrawingOneFrame(root);
// Damage position on the surface should be: position of layer damage_rect
// (10, 11) relative to the child (100, 100).
gfx::Rect root_damage_rect;
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(true, root_damage_rect.Contains(gfx::Rect(110, 111, 12, 13)));
// CASE 2: The same layer damage rect twice in a row still produces the same
// damage.
ClearDamageForAllSurfaces(root);
child->AddDamageRect(gfx::Rect(10, 11, 12, 13));
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(true, root_damage_rect.Contains(gfx::Rect(110, 111, 12, 13)));
// CASE 3: Adding a different layer damage rect should cause damage on the
// new damaged region, but no additional exposed old region.
ClearDamageForAllSurfaces(root);
child->AddDamageRect(gfx::Rect(20, 25, 1, 2));
EmulateDrawingOneFrame(root);
// Damage position on the surface should be: position of layer damage_rect
// (20, 25) relative to the child (100, 100).
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(true, root_damage_rect.Contains(gfx::Rect(120, 125, 1, 2)));
// CASE 4: Adding multiple layer damage rects should cause a unified
// damage on root damage rect.
ClearDamageForAllSurfaces(root);
child->AddDamageRect(gfx::Rect(20, 25, 1, 2));
child->AddDamageRect(gfx::Rect(10, 15, 3, 4));
EmulateDrawingOneFrame(root);
// Damage position on the surface should be: position of layer damage_rect
// (20, 25) relative to the child (100, 100).
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(true, root_damage_rect.Contains(gfx::Rect(120, 125, 1, 2)));
EXPECT_EQ(true, root_damage_rect.Contains(gfx::Rect(110, 115, 3, 4)));
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
}
TEST_F(DamageTrackerTest, VerifyDamageForLayerUpdateAndDamageRects) {
LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
TestLayerImpl* child = child_layers_[0];
// CASE 1: Adding the layer damage rect and update rect should cause the
// corresponding damage to the surface.
ClearDamageForAllSurfaces(root);
child->AddDamageRect(gfx::Rect(5, 6, 12, 13));
child->UnionUpdateRect(gfx::Rect(15, 16, 14, 10));
EmulateDrawingOneFrame(root);
// Damage position on the surface should be: position of unified layer
// damage_rect and update rect (5, 6)
// relative to the child (100, 100).
gfx::Rect root_damage_rect;
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(true, root_damage_rect.Contains(gfx::Rect(105, 106, 24, 20)));
// CASE 2: The same layer damage rect and update rect twice in a row still
// produces the same damage.
ClearDamageForAllSurfaces(root);
child->AddDamageRect(gfx::Rect(10, 11, 12, 13));
child->UnionUpdateRect(gfx::Rect(10, 11, 14, 15));
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(true, root_damage_rect.Contains(gfx::Rect(110, 111, 14, 15)));
// CASE 3: Adding a different layer damage rect and update rect should cause
// damage on the new damaged region, but no additional exposed old region.
ClearDamageForAllSurfaces(root);
child->AddDamageRect(gfx::Rect(20, 25, 2, 3));
child->UnionUpdateRect(gfx::Rect(5, 10, 7, 8));
EmulateDrawingOneFrame(root);
// Damage position on the surface should be: position of unified layer damage
// rect and update rect (5, 10) relative to the child (100, 100).
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(true, root_damage_rect.Contains(gfx::Rect(105, 110, 17, 18)));
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
}
TEST_F(DamageTrackerTest, VerifyDamageForPropertyChanges) {
LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
LayerImpl* child = child_layers_[0];
// CASE 1: The layer's property changed flag takes priority over update rect.
//
CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest;
EmulateDrawingOneFrame(root);
ClearDamageForAllSurfaces(root);
child->UnionUpdateRect(gfx::Rect(10, 11, 12, 13));
root->layer_tree_impl()->SetOpacityMutated(child->element_id(), 0.5f);
EmulateDrawingOneFrame(root);
ASSERT_EQ(2, GetRenderSurface(root)->num_contributors());
// Damage should be the entire child layer in target_surface space.
gfx::Rect expected_rect = gfx::Rect(100, 100, 30, 30);
gfx::Rect root_damage_rect;
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(expected_rect.ToString(), root_damage_rect.ToString());
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_TRUE(GetRenderSurface(child)
->damage_tracker()
->has_damage_from_contributing_content());
// CASE 2: If a layer moves due to property change, it damages both the new
// location and the old (exposed) location. The old location is the
// entire old layer, not just the update_rect.
// Cycle one frame of no change, just to sanity check that the next rect is
// not because of the old damage state.
ClearDamageForAllSurfaces(root);
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_TRUE(root_damage_rect.IsEmpty());
// Then, test the actual layer movement.
ClearDamageForAllSurfaces(root);
CreateTransformNode(child).post_translation =
child->offset_to_transform_parent();
child->SetOffsetToTransformParent(gfx::Vector2dF());
gfx::Transform translation;
translation.Translate(100.f, 130.f);
root->layer_tree_impl()->SetTransformMutated(child->element_id(),
translation);
EmulateDrawingOneFrame(root);
// Expect damage to be the combination of the previous one and the new one.
expected_rect.Union(gfx::Rect(200, 230, 30, 30));
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(expected_rect, root_damage_rect);
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
// TODO(crbug.com/1001882): Transform from browser animation should not be
// considered as damage from contributing layer since it is applied to the
// whole layer which has a render surface.
EXPECT_TRUE(GetRenderSurface(child)
->damage_tracker()
->has_damage_from_contributing_content());
}
TEST_F(DamageTrackerTest,
VerifyDamageForPropertyChangesFromContributingContents) {
LayerImpl* root = CreateAndSetUpTestTreeWithTwoSurfaces();
// CASE 1: child1_'s opacity changed.
ClearDamageForAllSurfaces(root);
root->layer_tree_impl()->SetOpacityMutated(child1_->element_id(), 0.5f);
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_FALSE(GetRenderSurface(child1_)
->damage_tracker()
->has_damage_from_contributing_content());
// CASE 2: layer2_'s opacity changed.
CreateEffectNode(child2_).render_surface_reason = RenderSurfaceReason::kTest;
EmulateDrawingOneFrame(root);
ClearDamageForAllSurfaces(root);
root->layer_tree_impl()->SetOpacityMutated(child2_->element_id(), 0.5f);
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_FALSE(GetRenderSurface(child1_)
->damage_tracker()
->has_damage_from_contributing_content());
// CASE 3: grand_child1_'s opacity changed.
CreateEffectNode(grand_child1_).render_surface_reason =
RenderSurfaceReason::kTest;
EmulateDrawingOneFrame(root);
ClearDamageForAllSurfaces(root);
root->layer_tree_impl()->SetOpacityMutated(grand_child1_->element_id(), 0.5f);
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_TRUE(GetRenderSurface(child1_)
->damage_tracker()
->has_damage_from_contributing_content());
}
// Regression test for http://crbug.com/923794
TEST_F(DamageTrackerTest, EffectPropertyChangeNoSurface) {
LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
LayerImpl* child = child_layers_[0];
// Create a separate effect node for the child, but no render surface.
auto& effect_node = CreateEffectNode(child);
effect_node.opacity = 0.5;
effect_node.has_potential_opacity_animation = true;
EmulateDrawingOneFrame(root);
EXPECT_EQ(root->transform_tree_index(), child->transform_tree_index());
EXPECT_NE(root->effect_tree_index(), child->effect_tree_index());
// Change the child's opacity, which should damage its target.
ClearDamageForAllSurfaces(root);
root->layer_tree_impl()->SetOpacityMutated(child->element_id(), 0.4f);
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
}
// Regression test for http://crbug.com/923794
TEST_F(DamageTrackerTest, TransformPropertyChangeNoSurface) {
LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
LayerImpl* child = child_layers_[0];
// Create a separate transform node for the child, but no render surface.
gfx::Transform trans1;
trans1.Scale(2, 1);
CreateTransformNode(child).local = trans1;
EmulateDrawingOneFrame(root);
EXPECT_NE(root->transform_tree_index(), child->transform_tree_index());
EXPECT_EQ(root->effect_tree_index(), child->effect_tree_index());
// Change the child's transform , which should damage its target.
ClearDamageForAllSurfaces(root);
gfx::Transform trans2;
trans2.Scale(1, 2);
root->layer_tree_impl()->SetTransformMutated(child->element_id(), trans2);
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
}
TEST_F(DamageTrackerTest,
VerifyDamageForUpdateAndDamageRectsFromContributingContents) {
LayerImpl* root = CreateAndSetUpTestTreeWithTwoSurfaces();
// CASE 1: Adding child1_'s damage rect and update rect should cause the
// corresponding damage to the surface.
child1_->SetDrawsContent(true);
ClearDamageForAllSurfaces(root);
child1_->AddDamageRect(gfx::Rect(105, 106, 12, 15));
child1_->UnionUpdateRect(gfx::Rect(115, 116, 12, 15));
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_TRUE(GetRenderSurface(child1_)
->damage_tracker()
->has_damage_from_contributing_content());
// CASE 2: Adding child2_'s damage rect and update rect should cause the
// corresponding damage to the surface.
ClearDamageForAllSurfaces(root);
child2_->AddDamageRect(gfx::Rect(11, 11, 12, 15));
child2_->UnionUpdateRect(gfx::Rect(12, 12, 12, 15));
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_FALSE(GetRenderSurface(child1_)
->damage_tracker()
->has_damage_from_contributing_content());
// CASE 3: Adding grand_child1_'s damage rect and update rect should cause
// the corresponding damage to the surface.
ClearDamageForAllSurfaces(root);
grand_child1_->AddDamageRect(gfx::Rect(1, 0, 2, 5));
grand_child1_->UnionUpdateRect(gfx::Rect(2, 1, 2, 5));
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_TRUE(GetRenderSurface(child1_)
->damage_tracker()
->has_damage_from_contributing_content());
}
TEST_F(DamageTrackerTest, VerifyDamageWhenSurfaceRemoved) {
LayerImpl* root = CreateAndSetUpTestTreeWithTwoSurfaces();
LayerImpl* surface = child1_;
LayerImpl* child = grand_child1_;
child->SetDrawsContent(true);
EmulateDrawingOneFrame(root);
ClearDamageForAllSurfaces(root);
SetRenderSurfaceReason(surface, RenderSurfaceReason::kNone);
child->SetDrawsContent(false);
EmulateDrawingOneFrame(root);
gfx::Rect root_damage_rect;
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(gfx::Rect(290, 290, 16, 18).ToString(),
root_damage_rect.ToString());
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
}
TEST_F(DamageTrackerTest, VerifyDamageForTransformedLayer) {
// If a layer is transformed, the damage rect should still enclose the entire
// transformed layer.
LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
LayerImpl* child = child_layers_[0];
gfx::Transform rotation;
rotation.Rotate(45.0);
ClearDamageForAllSurfaces(root);
auto& transform_node = CreateTransformNode(child);
transform_node.origin = gfx::Point3F(child->bounds().width() * 0.5f,
child->bounds().height() * 0.5f, 0.f);
transform_node.post_translation = gfx::Vector2dF(85.f, 85.f);
child->SetOffsetToTransformParent(gfx::Vector2dF());
CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest;
child->NoteLayerPropertyChanged();
EmulateDrawingOneFrame(root);
// Sanity check that the layer actually moved to (85, 85), damaging its old
// location and new location.
gfx::Rect root_damage_rect;
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(gfx::Rect(85, 85, 45, 45).ToString(), root_damage_rect.ToString());
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
// Layer's layer_property_changed_not_from_property_trees_ should be
// considered as damage to render surface.
EXPECT_TRUE(GetRenderSurface(child)
->damage_tracker()
->has_damage_from_contributing_content());
// With the anchor on the layer's center, now we can test the rotation more
// intuitively, since it applies about the layer's anchor.
ClearDamageForAllSurfaces(root);
root->layer_tree_impl()->SetTransformMutated(child->element_id(), rotation);
EmulateDrawingOneFrame(root);
// Since the child layer is square, rotation by 45 degrees about the center
// should increase the size of the expected rect by sqrt(2), centered around
// (100, 100). The old exposed region should be fully contained in the new
// region.
float expected_width = 30.f * sqrt(2.f);
float expected_position = 100.f - 0.5f * expected_width;
gfx::Rect expected_rect = gfx::ToEnclosingRect(gfx::RectF(
expected_position, expected_position, expected_width, expected_width));
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(expected_rect.ToString(), root_damage_rect.ToString());
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
// Transform from browser animation should not be considered as damage from
// contributing layer since it is applied to the whole layer which has a
// render surface.
EXPECT_FALSE(GetRenderSurface(child)
->damage_tracker()
->has_damage_from_contributing_content());
}
TEST_F(DamageTrackerTest, VerifyDamageForPerspectiveClippedLayer) {
// If a layer has a perspective transform that causes w < 0, then not
// clipping the layer can cause an invalid damage rect. This test checks that
// the w < 0 case is tracked properly.
//
// The transform is constructed so that if w < 0 clipping is not performed,
// the incorrect rect will be very small, specifically: position (500.972504,
// 498.544617) and size 0.056610 x 2.910767. Instead, the correctly
// transformed rect should actually be very huge (i.e. in theory, -infinity
// on the left), and positioned so that the right-most bound rect will be
// approximately 501 units in root surface space.
//
LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
LayerImpl* child = child_layers_[0];
gfx::Transform transform;
transform.Translate3d(550.0, 500.0, 0.0);
transform.ApplyPerspectiveDepth(1.0);
transform.RotateAboutYAxis(45.0);
transform.Translate3d(-50.0, -50.0, 0.0);
// Set up the child
child->SetBounds(gfx::Size(100, 100));
CreateTransformNode(child).local = transform;
child->SetOffsetToTransformParent(gfx::Vector2dF());
EmulateDrawingOneFrame(root);
// Sanity check that the child layer's bounds would actually get clipped by
// w < 0, otherwise this test is not actually testing the intended scenario.
gfx::RectF test_rect(gfx::SizeF(child->bounds()));
bool clipped = false;
MathUtil::MapQuad(transform, gfx::QuadF(test_rect), &clipped);
EXPECT_TRUE(clipped);
// Damage the child without moving it.
CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest;
EmulateDrawingOneFrame(root);
ClearDamageForAllSurfaces(root);
root->layer_tree_impl()->SetOpacityMutated(child->element_id(), 0.5f);
EmulateDrawingOneFrame(root);
// The expected damage should cover the entire root surface (500x500), but we
// don't care whether the damage rect was clamped or is larger than the
// surface for this test.
gfx::Rect root_damage_rect;
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
gfx::Rect damage_we_care_about = gfx::Rect(gfx::Size(500, 500));
EXPECT_TRUE(root_damage_rect.Contains(damage_we_care_about));
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_FALSE(GetRenderSurface(child)
->damage_tracker()
->has_damage_from_contributing_content());
}
TEST_F(DamageTrackerTest, VerifyDamageForBlurredSurface) {
LayerImpl* root = CreateAndSetUpTestTreeWithTwoSurfaces();
LayerImpl* surface = child1_;
LayerImpl* child = grand_child1_;
FilterOperations filters;
filters.Append(FilterOperation::CreateBlurFilter(5.f));
// TODO(crbug.com/1001882): Setting the filter on an existing render surface
// should not damage the conrresponding render surface.
ClearDamageForAllSurfaces(root);
SetFilter(surface, filters);
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_FALSE(GetRenderSurface(surface)
->damage_tracker()
->has_damage_from_contributing_content());
// Setting the update rect should cause the corresponding damage to the
// surface, blurred based on the size of the blur filter.
ClearDamageForAllSurfaces(root);
child->UnionUpdateRect(gfx::Rect(1, 2, 3, 4));
EmulateDrawingOneFrame(root);
// Damage position on the surface should be: position of update_rect (1, 2)
// relative to the child (300, 300), but expanded by the blur outsets
// (15, since the blur radius is 5).
gfx::Rect root_damage_rect;
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_EQ(gfx::Rect(286, 287, 33, 34), root_damage_rect);
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_TRUE(GetRenderSurface(surface)
->damage_tracker()
->has_damage_from_contributing_content());
}
TEST_F(DamageTrackerTest, VerifyDamageForImageFilter) {
LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
LayerImpl* child = child_layers_[0];
gfx::Rect root_damage_rect, child_damage_rect;
// Allow us to set damage on child too.
child->SetDrawsContent(true);
FilterOperations filters;
filters.Append(FilterOperation::CreateReferenceFilter(
sk_make_sp<BlurPaintFilter>(2, 2, SkTileMode::kDecal, nullptr)));
// Setting the filter will damage the whole surface.
CreateTransformNode(child).post_translation =
child->offset_to_transform_parent();
child->SetOffsetToTransformParent(gfx::Vector2dF());
CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest;
EmulateDrawingOneFrame(root);
ClearDamageForAllSurfaces(root);
child->layer_tree_impl()->SetFilterMutated(child->element_id(), filters);
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_TRUE(GetRenderSurface(child)->damage_tracker()->GetDamageRectIfValid(
&child_damage_rect));
// gfx::Rect(100, 100, 30, 30), expanded by 6px for the 2px blur filter.
EXPECT_EQ(gfx::Rect(94, 94, 42, 42), root_damage_rect);
// gfx::Rect(0, 0, 30, 30), expanded by 6px for the 2px blur filter.
EXPECT_EQ(gfx::Rect(-6, -6, 42, 42), child_damage_rect);
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_FALSE(GetRenderSurface(child)
->damage_tracker()
->has_damage_from_contributing_content());
// CASE 1: Setting the update rect should damage the whole surface (for now)
ClearDamageForAllSurfaces(root);
child->UnionUpdateRect(gfx::Rect(1, 1));
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_TRUE(GetRenderSurface(child)->damage_tracker()->GetDamageRectIfValid(
&child_damage_rect));
// gfx::Rect(100, 100, 1, 1), expanded by 6px for the 2px blur filter.
EXPECT_EQ(gfx::Rect(94, 94, 13, 13), root_damage_rect);
// gfx::Rect(0, 0, 1, 1), expanded by 6px for the 2px blur filter.
EXPECT_EQ(gfx::Rect(-6, -6, 13, 13), child_damage_rect);
EXPECT_TRUE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_TRUE(GetRenderSurface(child)
->damage_tracker()
->has_damage_from_contributing_content());
// CASE 2: No changes, so should not damage the surface.
ClearDamageForAllSurfaces(root);
EmulateDrawingOneFrame(root);
EXPECT_TRUE(GetRenderSurface(root)->damage_tracker()->GetDamageRectIfValid(
&root_damage_rect));
EXPECT_TRUE(GetRenderSurface(child)->damage_tracker()->GetDamageRectIfValid(
&child_damage_rect));
// Should not be expanded by the blur filter.
EXPECT_EQ(gfx::Rect(), root_damage_rect);
EXPECT_EQ(gfx::Rect(), child_damage_rect);
EXPECT_FALSE(GetRenderSurface(root)
->damage_tracker()
->has_damage_from_contributing_content());
EXPECT_FALSE(GetRenderSurface(child)
->damage_tracker()
->has_damage_from_contributing_content());
}
TEST_F(DamageTrackerTest, VerifyDamageForTransformedImageFilter) {
LayerImpl* root = CreateAndSetUpTestTreeWithOneSurface();
LayerImpl* child = child_layers_[0];
gfx::Rect root_damage_rect, child_damage_rect;
// Allow us to set damage on child too.
child->SetDrawsContent(true);
FilterOperations filters;
filters.Append(FilterOperation::CreateReferenceFilter(
sk_make_sp<BlurPaintFilter>(2, 2, SkTileMode::kDecal, nullptr)));
// Setting the filter will damage the whole surface.
gfx::Transform transform;
transform.RotateAboutYAxis(60);