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chromium / chromium / src.git / 3f409f41f29e3fdbfeef8edcaab786feb1ee32ee / . / cc / trees / draw_properties_unittest.cc
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// 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 <stddef.h>
#include <algorithm>
#include <memory>
#include <set>
#include <tuple>
#include <vector>
#include "base/memory/ptr_util.h"
#include "base/stl_util.h"
#include "cc/animation/animation_host.h"
#include "cc/animation/animation_id_provider.h"
#include "cc/animation/keyframed_animation_curve.h"
#include "cc/animation/single_keyframe_effect_animation.h"
#include "cc/animation/transform_operations.h"
#include "cc/base/math_util.h"
#include "cc/layers/content_layer_client.h"
#include "cc/layers/effect_tree_layer_list_iterator.h"
#include "cc/layers/layer.h"
#include "cc/layers/layer_client.h"
#include "cc/layers/layer_impl.h"
#include "cc/layers/render_surface_impl.h"
#include "cc/test/animation_test_common.h"
#include "cc/test/fake_content_layer_client.h"
#include "cc/test/fake_picture_layer.h"
#include "cc/test/fake_picture_layer_impl.h"
#include "cc/test/geometry_test_utils.h"
#include "cc/test/layer_tree_impl_test_base.h"
#include "cc/trees/clip_node.h"
#include "cc/trees/draw_property_utils.h"
#include "cc/trees/effect_node.h"
#include "cc/trees/scroll_node.h"
#include "cc/trees/transform_node.h"
#include "components/viz/common/frame_sinks/copy_output_request.h"
#include "components/viz/common/frame_sinks/copy_output_result.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/quad_f.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/size_conversions.h"
#include "ui/gfx/geometry/vector2d_conversions.h"
#include "ui/gfx/transform.h"
namespace cc {
namespace {
bool LayerSubtreeHasCopyRequest(Layer* layer) {
return GetEffectNode(layer)->subtree_has_copy_request;
}
class DrawPropertiesTestBase : public LayerTreeImplTestBase {
public:
DrawPropertiesTestBase() = default;
explicit DrawPropertiesTestBase(const LayerTreeSettings& settings)
: LayerTreeImplTestBase(settings) {}
static void SetScrollOffsetDelta(LayerImpl* layer_impl,
const gfx::Vector2dF& delta) {
if (layer_impl->layer_tree_impl()
->property_trees()
->scroll_tree.SetScrollOffsetDeltaForTesting(
layer_impl->element_id(), delta))
layer_impl->layer_tree_impl()->DidUpdateScrollOffset(
layer_impl->element_id());
}
static float GetMaximumAnimationScale(LayerImpl* layer_impl) {
return layer_impl->layer_tree_impl()
->property_trees()
->GetAnimationScales(layer_impl->transform_tree_index(),
layer_impl->layer_tree_impl())
.maximum_animation_scale;
}
static float GetStartingAnimationScale(LayerImpl* layer_impl) {
return layer_impl->layer_tree_impl()
->property_trees()
->GetAnimationScales(layer_impl->transform_tree_index(),
layer_impl->layer_tree_impl())
.starting_animation_scale;
}
void UpdateMainDrawProperties(float device_scale_factor = 1.0f) {
SetDeviceScaleAndUpdateViewportRect(host(), device_scale_factor);
UpdateDrawProperties(host(), &update_layer_list_);
}
LayerImpl* ImplOf(const scoped_refptr<Layer>& layer) {
return layer ? host_impl()->active_tree()->LayerById(layer->id()) : nullptr;
}
LayerImpl* PendingImplOf(const scoped_refptr<Layer>& layer) {
return layer ? host_impl()->pending_tree()->LayerById(layer->id())
: nullptr;
}
RenderSurfaceImpl* GetRenderSurfaceImpl(const scoped_refptr<Layer>& layer) {
return GetRenderSurface(ImplOf(layer));
}
// Updates main thread draw properties, commits main thread tree to
// impl-side pending tree, and updates pending tree draw properties.
void Commit(float device_scale_factor = 1.0f) {
UpdateMainDrawProperties(device_scale_factor);
if (!host_impl()->pending_tree())
host_impl()->CreatePendingTree();
host()->CommitAndCreatePendingTree();
// TODO(https://crbug.com/939968) This call should be handled by
// FakeLayerTreeHost instead of manually pushing the properties from the
// layer tree host to the pending tree.
host()->PushLayerTreePropertiesTo(host_impl()->pending_tree());
UpdateDrawProperties(host_impl()->pending_tree());
}
// Calls Commit(), then activates the pending tree, and updates active tree
// draw properties.
void CommitAndActivate(float device_scale_factor = 1.0f) {
Commit(device_scale_factor);
host_impl()->ActivateSyncTree();
DCHECK_EQ(device_scale_factor,
host_impl()->active_tree()->device_scale_factor());
UpdateActiveTreeDrawProperties(device_scale_factor);
}
bool UpdateLayerListContains(int id) const {
for (const auto& layer : update_layer_list_) {
if (layer->id() == id)
return true;
}
return false;
}
const LayerList& update_layer_list() const { return update_layer_list_; }
const RenderSurfaceList& GetRenderSurfaceList() {
return host_impl()->active_tree()->GetRenderSurfaceList();
}
void SetDeviceTransform(const gfx::Transform& device_transform) {
host_impl()->OnDraw(device_transform, host_impl()->external_viewport(),
false, false);
}
private:
LayerList update_layer_list_;
};
class DrawPropertiesTest : public DrawPropertiesTestBase,
public testing::Test {};
class DrawPropertiesTestWithLayerTree : public DrawPropertiesTestBase,
public testing::Test {
public:
DrawPropertiesTestWithLayerTree()
: DrawPropertiesTestBase(LayerTreeSettings()) {}
};
class DrawPropertiesDrawRectsTest : public DrawPropertiesTest {
public:
DrawPropertiesDrawRectsTest() : DrawPropertiesTest() {}
void SetUp() override {
LayerImpl* root = root_layer();
root->SetDrawsContent(true);
root->SetBounds(gfx::Size(500, 500));
}
LayerImpl* TestVisibleRectAndDrawableContentRect(
const gfx::Rect& target_rect,
const gfx::Transform& layer_transform,
const gfx::Rect& layer_rect) {
LayerImpl* root = root_layer();
LayerImpl* target = AddLayer<LayerImpl>();
LayerImpl* drawing_layer = AddLayer<LayerImpl>();
target->SetDrawsContent(true);
target->SetMasksToBounds(true);
drawing_layer->SetDrawsContent(true);
target->SetBounds(target_rect.size());
drawing_layer->SetBounds(layer_rect.size());
CopyProperties(root, target);
CreateTransformNode(target).post_translation =
gfx::PointF(target_rect.origin()).OffsetFromOrigin();
CreateEffectNode(target).render_surface_reason = RenderSurfaceReason::kTest;
CreateClipNode(target);
CopyProperties(target, drawing_layer);
auto& drawing_layer_transform_node = CreateTransformNode(drawing_layer);
drawing_layer_transform_node.local = layer_transform;
drawing_layer_transform_node.post_translation =
gfx::PointF(layer_rect.origin()).OffsetFromOrigin();
drawing_layer_transform_node.flattens_inherited_transform = false;
UpdateActiveTreeDrawProperties();
return drawing_layer;
}
};
// Sanity check: For layers positioned at zero, with zero size,
// and with identity transforms, then the draw transform,
// screen space transform, and the hierarchy passed on to children
// layers should also be identity transforms.
TEST_F(DrawPropertiesTest, TransformsForNoOpLayer) {
LayerImpl* parent = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
parent->SetBounds(gfx::Size(100, 100));
CopyProperties(parent, child);
CopyProperties(child, grand_child);
UpdateActiveTreeDrawProperties();
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), child->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(),
child->ScreenSpaceTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(),
grand_child->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(),
grand_child->ScreenSpaceTransform());
}
TEST_F(DrawPropertiesTest, TransformsForSingleLayer) {
LayerImpl* root = root_layer();
LayerImpl* layer = AddLayer<LayerImpl>();
TransformTree& transform_tree =
host_impl()->active_tree()->property_trees()->transform_tree;
EffectTree& effect_tree =
host_impl()->active_tree()->property_trees()->effect_tree;
root->SetBounds(gfx::Size(1, 2));
CopyProperties(root, layer);
// Case 1: Setting the bounds of the layer should not affect either the draw
// transform or the screenspace transform.
layer->SetBounds(gfx::Size(10, 12));
UpdateActiveTreeDrawProperties();
EXPECT_TRANSFORMATION_MATRIX_EQ(
gfx::Transform(),
draw_property_utils::DrawTransform(layer, transform_tree, effect_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
gfx::Transform(),
draw_property_utils::ScreenSpaceTransform(layer, transform_tree));
// Case 2: The anchor point by itself (without a layer transform) should have
// no effect on the transforms.
CreateTransformNode(layer).origin = gfx::Point3F(2.5f, 3.0f, 0.f);
layer->SetBounds(gfx::Size(10, 12));
UpdateActiveTreeDrawProperties();
EXPECT_TRANSFORMATION_MATRIX_EQ(
gfx::Transform(),
draw_property_utils::DrawTransform(layer, transform_tree, effect_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
gfx::Transform(),
draw_property_utils::ScreenSpaceTransform(layer, transform_tree));
// Case 3: A change in actual position affects both the draw transform and
// screen space transform.
gfx::Transform position_transform;
position_transform.Translate(0.f, 1.2f);
SetPostTranslation(layer, gfx::Vector2dF(0.f, 1.2f));
UpdateActiveTreeDrawProperties();
EXPECT_TRANSFORMATION_MATRIX_EQ(
position_transform,
draw_property_utils::DrawTransform(layer, transform_tree, effect_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
position_transform,
draw_property_utils::ScreenSpaceTransform(layer, transform_tree));
// Case 4: In the correct sequence of transforms, the layer transform should
// pre-multiply the translation-to-center. This is easily tested by using a
// scale transform, because scale and translation are not commutative.
gfx::Transform layer_transform;
layer_transform.Scale3d(2.0, 2.0, 1.0);
SetTransform(layer, layer_transform);
SetTransformOrigin(layer, gfx::Point3F());
SetPostTranslation(layer, gfx::Vector2dF());
UpdateActiveTreeDrawProperties();
EXPECT_TRANSFORMATION_MATRIX_EQ(
layer_transform,
draw_property_utils::DrawTransform(layer, transform_tree, effect_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
layer_transform,
draw_property_utils::ScreenSpaceTransform(layer, transform_tree));
// Case 5: The layer transform should occur with respect to the anchor point.
gfx::Transform translation_to_anchor;
translation_to_anchor.Translate(5.0, 0.0);
gfx::Transform expected_result =
translation_to_anchor * layer_transform * Inverse(translation_to_anchor);
SetTransformOrigin(layer, gfx::Point3F(5.f, 0.f, 0.f));
UpdateActiveTreeDrawProperties();
EXPECT_TRANSFORMATION_MATRIX_EQ(
expected_result,
draw_property_utils::DrawTransform(layer, transform_tree, effect_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
expected_result,
draw_property_utils::ScreenSpaceTransform(layer, transform_tree));
// Case 6: Verify that position pre-multiplies the layer transform. The
// current implementation of CalculateDrawProperties does this implicitly, but
// it is still worth testing to detect accidental regressions.
expected_result = position_transform * translation_to_anchor *
layer_transform * Inverse(translation_to_anchor);
SetPostTranslation(layer, gfx::Vector2dF(0.f, 1.2f));
UpdateActiveTreeDrawProperties();
EXPECT_TRANSFORMATION_MATRIX_EQ(
expected_result,
draw_property_utils::DrawTransform(layer, transform_tree, effect_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
expected_result,
draw_property_utils::ScreenSpaceTransform(layer, transform_tree));
}
TEST_F(DrawPropertiesTest, TransformsAboutScrollOffset) {
const gfx::ScrollOffset kScrollOffset(50, 100);
const gfx::Vector2dF kScrollDelta(2.34f, 5.67f);
const gfx::Vector2d kMaxScrollOffset(200, 200);
const gfx::PointF kScrollLayerPosition(-kScrollOffset.x(),
-kScrollOffset.y());
float page_scale = 0.888f;
const float kDeviceScale = 1.666f;
LayerImpl* sublayer = AddLayer<LayerImpl>();
sublayer->SetDrawsContent(true);
sublayer->SetBounds(gfx::Size(500, 500));
LayerImpl* scroll_layer = AddLayer<LayerImpl>();
scroll_layer->SetBounds(gfx::Size(10, 20));
scroll_layer->SetElementId(LayerIdToElementIdForTesting(scroll_layer->id()));
scroll_layer->SetScrollable(
gfx::Size(scroll_layer->bounds().width() + kMaxScrollOffset.x(),
scroll_layer->bounds().height() + kMaxScrollOffset.y()));
LayerImpl* root = root_layer();
root->SetBounds(gfx::Size(3, 4));
SetupViewport(root, gfx::Size(3, 4), gfx::Size(500, 500));
CopyProperties(OuterViewportScrollLayer(), scroll_layer);
CreateTransformNode(scroll_layer);
CreateScrollNode(scroll_layer);
CopyProperties(scroll_layer, sublayer);
auto& scroll_tree = GetPropertyTrees(scroll_layer)->scroll_tree;
scroll_tree.UpdateScrollOffsetBaseForTesting(scroll_layer->element_id(),
kScrollOffset);
SetScrollOffsetDelta(scroll_layer, kScrollDelta);
host_impl()->active_tree()->SetPageScaleOnActiveTree(page_scale);
UpdateActiveTreeDrawProperties(kDeviceScale);
gfx::Transform expected_transform;
gfx::PointF sub_layer_screen_position = kScrollLayerPosition - kScrollDelta;
expected_transform.Translate(
std::round(sub_layer_screen_position.x() * page_scale * kDeviceScale),
std::round(sub_layer_screen_position.y() * page_scale * kDeviceScale));
expected_transform.Scale(page_scale * kDeviceScale,
page_scale * kDeviceScale);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform,
sublayer->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform,
sublayer->ScreenSpaceTransform());
gfx::Transform arbitrary_translate;
const float kTranslateX = 10.6f;
const float kTranslateY = 20.6f;
arbitrary_translate.Translate(kTranslateX, kTranslateY);
SetTransform(scroll_layer, arbitrary_translate);
UpdateActiveTreeDrawProperties(kDeviceScale);
expected_transform.MakeIdentity();
expected_transform.Translate(
std::round(kTranslateX * page_scale * kDeviceScale +
sub_layer_screen_position.x() * page_scale * kDeviceScale),
std::round(kTranslateY * page_scale * kDeviceScale +
sub_layer_screen_position.y() * page_scale * kDeviceScale));
expected_transform.Scale(page_scale * kDeviceScale,
page_scale * kDeviceScale);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform,
sublayer->DrawTransform());
// Test that page scale is updated even when we don't rebuild property trees.
page_scale = 1.888f;
host_impl()->active_tree()->SetPageScaleOnActiveTree(page_scale);
EXPECT_FALSE(host_impl()->active_tree()->property_trees()->needs_rebuild);
UpdateActiveTreeDrawProperties(kDeviceScale);
expected_transform.MakeIdentity();
expected_transform.Translate(
std::round(kTranslateX * page_scale * kDeviceScale +
sub_layer_screen_position.x() * page_scale * kDeviceScale),
std::round(kTranslateY * page_scale * kDeviceScale +
sub_layer_screen_position.y() * page_scale * kDeviceScale));
expected_transform.Scale(page_scale * kDeviceScale,
page_scale * kDeviceScale);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_transform,
sublayer->DrawTransform());
}
TEST_F(DrawPropertiesTest, TransformsForSimpleHierarchy) {
LayerImpl* root = root_layer();
LayerImpl* parent = AddLayer<LayerImpl>();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
// One-time setup of root layer
root->SetBounds(gfx::Size(1, 2));
TransformTree& transform_tree =
host_impl()->active_tree()->property_trees()->transform_tree;
EffectTree& effect_tree =
host_impl()->active_tree()->property_trees()->effect_tree;
// Case 1: parent's anchor point should not affect child or grand_child.
parent->SetBounds(gfx::Size(10, 12));
child->SetBounds(gfx::Size(16, 18));
grand_child->SetBounds(gfx::Size(76, 78));
CopyProperties(root, parent);
CreateTransformNode(parent).origin = gfx::Point3F(2.5f, 3.0f, 0.f);
CopyProperties(parent, child);
CopyProperties(child, grand_child);
UpdateActiveTreeDrawProperties();
EXPECT_TRANSFORMATION_MATRIX_EQ(
gfx::Transform(),
draw_property_utils::DrawTransform(child, transform_tree, effect_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
gfx::Transform(),
draw_property_utils::ScreenSpaceTransform(child, transform_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
gfx::Transform(), draw_property_utils::DrawTransform(
grand_child, transform_tree, effect_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
gfx::Transform(),
draw_property_utils::ScreenSpaceTransform(grand_child, transform_tree));
// Case 2: parent's position affects child and grand_child.
gfx::Transform parent_position_transform;
parent_position_transform.Translate(0.f, 1.2f);
SetPostTranslation(parent, gfx::Vector2dF(0.f, 1.2f));
UpdateActiveTreeDrawProperties();
EXPECT_TRANSFORMATION_MATRIX_EQ(
parent_position_transform,
draw_property_utils::DrawTransform(child, transform_tree, effect_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
parent_position_transform,
draw_property_utils::ScreenSpaceTransform(child, transform_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
parent_position_transform, draw_property_utils::DrawTransform(
grand_child, transform_tree, effect_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
parent_position_transform,
draw_property_utils::ScreenSpaceTransform(grand_child, transform_tree));
// Case 3: parent's local transform affects child and grandchild
gfx::Transform parent_layer_transform;
parent_layer_transform.Scale3d(2.0, 2.0, 1.0);
gfx::Transform parent_translation_to_anchor;
parent_translation_to_anchor.Translate(2.5, 3.0);
gfx::Transform parent_composite_transform =
parent_translation_to_anchor * parent_layer_transform *
Inverse(parent_translation_to_anchor);
SetTransform(parent, parent_layer_transform);
SetPostTranslation(parent, gfx::Vector2dF());
UpdateActiveTreeDrawProperties();
EXPECT_TRANSFORMATION_MATRIX_EQ(
parent_composite_transform,
draw_property_utils::DrawTransform(child, transform_tree, effect_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
parent_composite_transform,
draw_property_utils::ScreenSpaceTransform(child, transform_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
parent_composite_transform,
draw_property_utils::DrawTransform(grand_child, transform_tree,
effect_tree));
EXPECT_TRANSFORMATION_MATRIX_EQ(
parent_composite_transform,
draw_property_utils::ScreenSpaceTransform(grand_child, transform_tree));
}
TEST_F(DrawPropertiesTest, TransformsForSingleRenderSurface) {
LayerImpl* root = root_layer();
LayerImpl* parent = AddLayer<LayerImpl>();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
gfx::Transform parent_layer_transform;
parent_layer_transform.Scale3d(1.f, 0.9f, 1.f);
gfx::Transform parent_translation_to_anchor;
parent_translation_to_anchor.Translate(25.0, 30.0);
gfx::Transform parent_composite_transform =
parent_translation_to_anchor * parent_layer_transform *
Inverse(parent_translation_to_anchor);
gfx::Vector2dF parent_composite_scale =
MathUtil::ComputeTransform2dScaleComponents(parent_composite_transform,
1.f);
gfx::Transform surface_sublayer_transform;
surface_sublayer_transform.Scale(parent_composite_scale.x(),
parent_composite_scale.y());
gfx::Transform surface_sublayer_composite_transform =
parent_composite_transform * Inverse(surface_sublayer_transform);
root->SetBounds(gfx::Size(1, 2));
parent->SetBounds(gfx::Size(100, 120));
child->SetBounds(gfx::Size(16, 18));
grand_child->SetBounds(gfx::Size(8, 10));
grand_child->SetDrawsContent(true);
CopyProperties(root, parent);
auto& parent_transform_node = CreateTransformNode(parent);
parent_transform_node.origin = gfx::Point3F(2.5f, 30.f, 0.f);
parent_transform_node.local = parent_layer_transform;
CopyProperties(parent, child);
CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest;
CopyProperties(child, grand_child);
UpdateActiveTreeDrawProperties();
// Render surface should have been created now.
ASSERT_TRUE(GetRenderSurface(child));
ASSERT_EQ(GetRenderSurface(child), child->render_target());
// The child layer's draw transform should refer to its new render surface.
// The screen-space transform, however, should still refer to the root.
EXPECT_TRANSFORMATION_MATRIX_EQ(surface_sublayer_transform,
child->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(parent_composite_transform,
child->ScreenSpaceTransform());
// Because the grand_child is the only drawable content, the child's render
// surface will tighten its bounds to the grand_child. The scale at which the
// surface's subtree is drawn must be removed from the composite transform.
EXPECT_TRANSFORMATION_MATRIX_EQ(surface_sublayer_composite_transform,
child->render_target()->draw_transform());
// The screen space is the same as the target since the child surface draws
// into the root.
EXPECT_TRANSFORMATION_MATRIX_EQ(
surface_sublayer_composite_transform,
child->render_target()->screen_space_transform());
}
TEST_F(DrawPropertiesTest, TransformsForRenderSurfaceHierarchy) {
// This test creates a more complex tree and verifies it all at once. This
// covers the following cases:
// - layers that are described w.r.t. a render surface: should have draw
// transforms described w.r.t. that surface
// - A render surface described w.r.t. an ancestor render surface: should
// have a draw transform described w.r.t. that ancestor surface
// - Sanity check on recursion: verify transforms of layers described w.r.t.
// a render surface that is described w.r.t. an ancestor render surface.
// - verifying that each layer has a reference to the correct render surface
// and render target values.
LayerImpl* root = root_layer();
LayerImpl* parent = AddLayer<LayerImpl>();
parent->SetDrawsContent(true);
LayerImpl* render_surface1 = AddLayer<LayerImpl>();
render_surface1->SetDrawsContent(true);
LayerImpl* render_surface2 = AddLayer<LayerImpl>();
render_surface2->SetDrawsContent(true);
LayerImpl* child_of_root = AddLayer<LayerImpl>();
child_of_root->SetDrawsContent(true);
LayerImpl* child_of_rs1 = AddLayer<LayerImpl>();
child_of_rs1->SetDrawsContent(true);
LayerImpl* child_of_rs2 = AddLayer<LayerImpl>();
child_of_rs2->SetDrawsContent(true);
LayerImpl* grand_child_of_root = AddLayer<LayerImpl>();
grand_child_of_root->SetDrawsContent(true);
LayerImpl* grand_child_of_rs1 = AddLayer<LayerImpl>();
grand_child_of_rs1->SetDrawsContent(true);
LayerImpl* grand_child_of_rs2 = AddLayer<LayerImpl>();
grand_child_of_rs2->SetDrawsContent(true);
// All layers in the tree are initialized with an anchor at .25 and a size of
// (10,10). Matrix "A" is the composite layer transform used in all layers.
gfx::Transform translation_to_anchor;
translation_to_anchor.Translate(2.5, 0.0);
gfx::Transform layer_transform;
layer_transform.Translate(1.0, 1.0);
gfx::Transform A =
translation_to_anchor * layer_transform * Inverse(translation_to_anchor);
gfx::Vector2dF surface1_parent_transform_scale =
MathUtil::ComputeTransform2dScaleComponents(A, 1.f);
gfx::Transform surface1_sublayer_transform;
surface1_sublayer_transform.Scale(surface1_parent_transform_scale.x(),
surface1_parent_transform_scale.y());
// SS1 = transform given to the subtree of render_surface1
gfx::Transform SS1 = surface1_sublayer_transform;
// S1 = transform to move from render_surface1 pixels to the layer space of
// the owning layer
gfx::Transform S1 = Inverse(surface1_sublayer_transform);
gfx::Vector2dF surface2_parent_transform_scale =
MathUtil::ComputeTransform2dScaleComponents(SS1 * A, 1.f);
gfx::Transform surface2_sublayer_transform;
surface2_sublayer_transform.Scale(surface2_parent_transform_scale.x(),
surface2_parent_transform_scale.y());
// SS2 = transform given to the subtree of render_surface2
gfx::Transform SS2 = surface2_sublayer_transform;
// S2 = transform to move from render_surface2 pixels to the layer space of
// the owning layer
gfx::Transform S2 = Inverse(surface2_sublayer_transform);
root->SetBounds(gfx::Size(1, 2));
parent->SetBounds(gfx::Size(10, 10));
render_surface1->SetBounds(gfx::Size(10, 10));
render_surface2->SetBounds(gfx::Size(10, 10));
child_of_root->SetBounds(gfx::Size(10, 10));
child_of_rs1->SetBounds(gfx::Size(10, 10));
child_of_rs2->SetBounds(gfx::Size(10, 10));
grand_child_of_root->SetBounds(gfx::Size(10, 10));
grand_child_of_rs1->SetBounds(gfx::Size(10, 10));
grand_child_of_rs2->SetBounds(gfx::Size(10, 10));
CopyProperties(root, parent);
auto& parent_transform_node = CreateTransformNode(parent);
parent_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f);
parent_transform_node.local = layer_transform;
CopyProperties(parent, child_of_root);
auto& child_of_root_transform_node = CreateTransformNode(child_of_root);
child_of_root_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f);
child_of_root_transform_node.local = layer_transform;
CopyProperties(child_of_root, grand_child_of_root);
auto& grand_child_of_root_transform_node =
CreateTransformNode(grand_child_of_root);
grand_child_of_root_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f);
grand_child_of_root_transform_node.local = layer_transform;
CopyProperties(parent, render_surface1);
auto& render_surface1_transform_node = CreateTransformNode(render_surface1);
render_surface1_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f);
render_surface1_transform_node.local = layer_transform;
auto& render_surface1_effect_node = CreateEffectNode(render_surface1);
render_surface1_effect_node.render_surface_reason =
RenderSurfaceReason::kTest;
render_surface1_effect_node.opacity = 0.5f;
CopyProperties(render_surface1, child_of_rs1);
auto& child_of_rs1_transform_node = CreateTransformNode(child_of_rs1);
child_of_rs1_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f);
child_of_rs1_transform_node.local = layer_transform;
CopyProperties(child_of_rs1, grand_child_of_rs1);
auto& grand_child_of_rs1_transform_node =
CreateTransformNode(grand_child_of_rs1);
grand_child_of_rs1_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f);
grand_child_of_rs1_transform_node.local = layer_transform;
CopyProperties(render_surface1, render_surface2);
auto& render_surface2_transform_node = CreateTransformNode(render_surface2);
render_surface2_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f);
render_surface2_transform_node.local = layer_transform;
auto& render_surface2_effect_node = CreateEffectNode(render_surface2);
render_surface2_effect_node.render_surface_reason =
RenderSurfaceReason::kTest;
render_surface2_effect_node.opacity = 0.33f;
CopyProperties(render_surface2, child_of_rs2);
auto& child_of_rs2_transform_node = CreateTransformNode(child_of_rs2);
child_of_rs2_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f);
child_of_rs2_transform_node.local = layer_transform;
CopyProperties(child_of_rs2, grand_child_of_rs2);
auto& grand_child_of_rs2_transform_node =
CreateTransformNode(grand_child_of_rs2);
grand_child_of_rs2_transform_node.origin = gfx::Point3F(2.5f, 0.f, 0.f);
grand_child_of_rs2_transform_node.local = layer_transform;
UpdateActiveTreeDrawProperties();
// Only layers that are associated with render surfaces should have an actual
// RenderSurface() value.
ASSERT_TRUE(GetRenderSurface(root));
ASSERT_EQ(GetRenderSurface(child_of_root), GetRenderSurface(root));
ASSERT_EQ(GetRenderSurface(grand_child_of_root), GetRenderSurface(root));
ASSERT_NE(GetRenderSurface(render_surface1), GetRenderSurface(root));
ASSERT_EQ(GetRenderSurface(child_of_rs1), GetRenderSurface(render_surface1));
ASSERT_EQ(GetRenderSurface(grand_child_of_rs1),
GetRenderSurface(render_surface1));
ASSERT_NE(GetRenderSurface(render_surface2), GetRenderSurface(root));
ASSERT_NE(GetRenderSurface(render_surface2),
GetRenderSurface(render_surface1));
ASSERT_EQ(GetRenderSurface(child_of_rs2), GetRenderSurface(render_surface2));
ASSERT_EQ(GetRenderSurface(grand_child_of_rs2),
GetRenderSurface(render_surface2));
// Verify all render target accessors
EXPECT_EQ(GetRenderSurface(root), parent->render_target());
EXPECT_EQ(GetRenderSurface(root), child_of_root->render_target());
EXPECT_EQ(GetRenderSurface(root), grand_child_of_root->render_target());
EXPECT_EQ(GetRenderSurface(render_surface1),
render_surface1->render_target());
EXPECT_EQ(GetRenderSurface(render_surface1), child_of_rs1->render_target());
EXPECT_EQ(GetRenderSurface(render_surface1),
grand_child_of_rs1->render_target());
EXPECT_EQ(GetRenderSurface(render_surface2),
render_surface2->render_target());
EXPECT_EQ(GetRenderSurface(render_surface2), child_of_rs2->render_target());
EXPECT_EQ(GetRenderSurface(render_surface2),
grand_child_of_rs2->render_target());
// Verify layer draw transforms note that draw transforms are described with
// respect to the nearest ancestor render surface but screen space transforms
// are described with respect to the root.
EXPECT_TRANSFORMATION_MATRIX_EQ(A, parent->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(A * A, child_of_root->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A,
grand_child_of_root->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(SS1, render_surface1->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(SS1 * A, child_of_rs1->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(SS1 * A * A,
grand_child_of_rs1->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(SS2, render_surface2->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(SS2 * A, child_of_rs2->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(SS2 * A * A,
grand_child_of_rs2->DrawTransform());
// Verify layer screen-space transforms
//
EXPECT_TRANSFORMATION_MATRIX_EQ(A, parent->ScreenSpaceTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(A * A, child_of_root->ScreenSpaceTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A,
grand_child_of_root->ScreenSpaceTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(A * A,
render_surface1->ScreenSpaceTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A,
child_of_rs1->ScreenSpaceTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A * A,
grand_child_of_rs1->ScreenSpaceTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A,
render_surface2->ScreenSpaceTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A * A,
child_of_rs2->ScreenSpaceTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(A * A * A * A * A,
grand_child_of_rs2->ScreenSpaceTransform());
// Verify render surface transforms.
//
// Draw transform of render surface 1 is described with respect to root.
EXPECT_TRANSFORMATION_MATRIX_EQ(
A * A * S1, GetRenderSurface(render_surface1)->draw_transform());
EXPECT_TRANSFORMATION_MATRIX_EQ(
A * A * S1, GetRenderSurface(render_surface1)->screen_space_transform());
// Draw transform of render surface 2 is described with respect to render
// surface 1.
EXPECT_TRANSFORMATION_MATRIX_EQ(
SS1 * A * S2, GetRenderSurface(render_surface2)->draw_transform());
EXPECT_TRANSFORMATION_MATRIX_EQ(
A * A * A * S2,
GetRenderSurface(render_surface2)->screen_space_transform());
// Sanity check. If these fail there is probably a bug in the test itself. It
// is expected that we correctly set up transforms so that the y-component of
// the screen-space transform encodes the "depth" of the layer in the tree.
EXPECT_FLOAT_EQ(1.0, parent->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(2.0,
child_of_root->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(
3.0, grand_child_of_root->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(2.0,
render_surface1->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(3.0, child_of_rs1->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(
4.0, grand_child_of_rs1->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(3.0,
render_surface2->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(4.0, child_of_rs2->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(
5.0, grand_child_of_rs2->ScreenSpaceTransform().matrix().get(1, 3));
}
TEST_F(DrawPropertiesTest, LayerFullyContainedWithinClipInTargetSpace) {
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
gfx::Transform child_transform;
child_transform.Translate(50.0, 50.0);
child_transform.RotateAboutZAxis(30.0);
gfx::Transform grand_child_transform;
grand_child_transform.RotateAboutYAxis(90.0);
root->SetBounds(gfx::Size(200, 200));
child->SetBounds(gfx::Size(10, 10));
grand_child->SetBounds(gfx::Size(100, 100));
grand_child->SetDrawsContent(true);
CopyProperties(root, child);
CreateTransformNode(child).local = child_transform;
CopyProperties(child, grand_child);
auto& grand_child_transform_node = CreateTransformNode(grand_child);
grand_child_transform_node.flattens_inherited_transform = false;
grand_child_transform_node.local = grand_child_transform;
UpdateActiveTreeDrawProperties();
// Mapping grand_child's bounds to screen space produces an empty rect, but
// only because it is turned sideways. The entire rect is contained inside
// the clip, and is only empty so long as the numerical precision of the
// transform is effectively perfect. Currently we do the calculation the
// other way around, and the Projection of the screen space clip into layer
// space includes the entire bounds.
EXPECT_EQ(gfx::Rect(grand_child->bounds()),
grand_child->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, TransformsForDegenerateIntermediateLayer) {
// A layer that is empty in one axis, but not the other, was accidentally
// skipping a necessary translation. Without that translation, the coordinate
// space of the layer's draw transform is incorrect.
//
// Normally this isn't a problem, because the layer wouldn't be drawn anyway,
// but if that layer becomes a render surface, then its draw transform is
// implicitly inherited by the rest of the subtree, which then is positioned
// incorrectly as a result.
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
grand_child->SetDrawsContent(true);
root->SetBounds(gfx::Size(100, 100));
// The child height is zero, but has non-zero width that should be accounted
// for while computing draw transforms.
child->SetBounds(gfx::Size(10, 0));
grand_child->SetBounds(gfx::Size(10, 10));
CopyProperties(root, child);
CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest;
CopyProperties(child, grand_child);
UpdateActiveTreeDrawProperties();
ASSERT_TRUE(GetRenderSurface(child));
// This is the real test, the rest are sanity checks.
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(),
GetRenderSurface(child)->draw_transform());
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(), child->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(),
grand_child->DrawTransform());
}
TEST_F(DrawPropertiesTest, RenderSurfaceWithSublayerScale) {
LayerImpl* root = root_layer();
LayerImpl* render_surface = AddLayer<LayerImpl>();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
gfx::Transform translate;
translate.Translate3d(5, 5, 5);
root->SetBounds(gfx::Size(100, 100));
render_surface->SetBounds(gfx::Size(100, 100));
child->SetBounds(gfx::Size(100, 100));
grand_child->SetBounds(gfx::Size(100, 100));
grand_child->SetDrawsContent(true);
CopyProperties(root, render_surface);
CreateTransformNode(render_surface).local = translate;
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface, child);
CreateTransformNode(child).local = translate;
CopyProperties(child, grand_child);
CreateTransformNode(grand_child).local = translate;
// render_surface will have a sublayer scale because of device scale factor.
float device_scale_factor = 2.0f;
UpdateActiveTreeDrawProperties(device_scale_factor);
// Between grand_child and render_surface, we translate by (10, 10) and scale
// by a factor of 2.
gfx::Vector2dF expected_translation(20.0f, 20.0f);
EXPECT_EQ(grand_child->DrawTransform().To2dTranslation(),
expected_translation);
}
TEST_F(DrawPropertiesTest, TransformAboveRootLayer) {
// Transformations applied at the root of the tree should be forwarded
// to child layers instead of applied to the root RenderSurface.
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
root->SetDrawsContent(true);
root->SetBounds(gfx::Size(100, 100));
child->SetDrawsContent(true);
child->SetBounds(gfx::Size(100, 100));
child->SetMasksToBounds(true);
CopyProperties(root, child);
CreateClipNode(child);
float device_scale_factor = 1.0f;
gfx::Transform translate;
translate.Translate(50, 50);
{
SetDeviceTransform(translate);
UpdateActiveTreeDrawProperties(device_scale_factor);
EXPECT_TRANSFORMATION_MATRIX_EQ(
translate, root->draw_properties().target_space_transform);
EXPECT_TRANSFORMATION_MATRIX_EQ(
translate, child->draw_properties().target_space_transform);
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(),
GetRenderSurface(root)->draw_transform());
EXPECT_TRANSFORMATION_MATRIX_EQ(translate, child->ScreenSpaceTransform());
EXPECT_EQ(gfx::Rect(50, 50, 100, 100), child->clip_rect());
}
gfx::Transform scale;
scale.Scale(2, 2);
{
SetDeviceTransform(scale);
UpdateActiveTreeDrawProperties(device_scale_factor);
EXPECT_TRANSFORMATION_MATRIX_EQ(
scale, root->draw_properties().target_space_transform);
EXPECT_TRANSFORMATION_MATRIX_EQ(
scale, child->draw_properties().target_space_transform);
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(),
GetRenderSurface(root)->draw_transform());
EXPECT_TRANSFORMATION_MATRIX_EQ(scale, child->ScreenSpaceTransform());
EXPECT_EQ(gfx::Rect(0, 0, 200, 200), child->clip_rect());
}
gfx::Transform rotate;
rotate.Rotate(2);
{
SetDeviceTransform(rotate);
UpdateActiveTreeDrawProperties(device_scale_factor);
EXPECT_TRANSFORMATION_MATRIX_EQ(
rotate, root->draw_properties().target_space_transform);
EXPECT_TRANSFORMATION_MATRIX_EQ(
rotate, child->draw_properties().target_space_transform);
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(),
GetRenderSurface(root)->draw_transform());
EXPECT_TRANSFORMATION_MATRIX_EQ(rotate, child->ScreenSpaceTransform());
EXPECT_EQ(gfx::Rect(-4, 0, 104, 104), child->clip_rect());
}
gfx::Transform composite;
composite.ConcatTransform(translate);
composite.ConcatTransform(scale);
composite.ConcatTransform(rotate);
{
SetDeviceTransform(composite);
UpdateActiveTreeDrawProperties(device_scale_factor);
EXPECT_TRANSFORMATION_MATRIX_EQ(
composite, root->draw_properties().target_space_transform);
EXPECT_TRANSFORMATION_MATRIX_EQ(
composite, child->draw_properties().target_space_transform);
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(),
GetRenderSurface(root)->draw_transform());
EXPECT_TRANSFORMATION_MATRIX_EQ(composite, child->ScreenSpaceTransform());
EXPECT_EQ(gfx::Rect(89, 103, 208, 208), child->clip_rect());
}
// Verify it composes correctly with device scale.
device_scale_factor = 1.5f;
{
SetDeviceTransform(translate);
UpdateActiveTreeDrawProperties(device_scale_factor);
gfx::Transform device_scaled_translate = translate;
device_scaled_translate.Scale(device_scale_factor, device_scale_factor);
EXPECT_TRANSFORMATION_MATRIX_EQ(
device_scaled_translate,
root->draw_properties().target_space_transform);
EXPECT_TRANSFORMATION_MATRIX_EQ(
device_scaled_translate,
child->draw_properties().target_space_transform);
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(),
GetRenderSurface(root)->draw_transform());
EXPECT_TRANSFORMATION_MATRIX_EQ(device_scaled_translate,
child->ScreenSpaceTransform());
EXPECT_EQ(gfx::Rect(50, 50, 150, 150), child->clip_rect());
}
}
TEST_F(DrawPropertiesTest, DrawableContentRectForReferenceFilter) {
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
child->SetBounds(gfx::Size(25, 25));
child->SetDrawsContent(true);
FilterOperations filters;
filters.Append(FilterOperation::CreateReferenceFilter(
sk_make_sp<OffsetPaintFilter>(50, 50, nullptr)));
CopyProperties(root, child);
auto& child_effect_node = CreateEffectNode(child);
child_effect_node.render_surface_reason = RenderSurfaceReason::kTest;
child_effect_node.filters = filters;
UpdateActiveTreeDrawProperties();
// The render surface's size should be unaffected by the offset image filter;
// it need only have a drawable content rect large enough to contain the
// contents (at the new offset).
ASSERT_TRUE(GetRenderSurface(child));
EXPECT_EQ(gfx::RectF(50, 50, 25, 25),
GetRenderSurface(child)->DrawableContentRect());
}
TEST_F(DrawPropertiesTest, DrawableContentRectForReferenceFilterHighDpi) {
const float device_scale_factor = 2.0f;
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
child->SetBounds(gfx::Size(25, 25));
child->SetDrawsContent(true);
FilterOperations filters;
filters.Append(FilterOperation::CreateReferenceFilter(
sk_make_sp<OffsetPaintFilter>(50, 50, nullptr)));
CopyProperties(root, child);
auto& child_effect_node = CreateEffectNode(child);
child_effect_node.render_surface_reason = RenderSurfaceReason::kTest;
child_effect_node.filters = filters;
UpdateActiveTreeDrawProperties(device_scale_factor);
// The render surface's size should be unaffected by the offset image filter;
// it need only have a drawable content rect large enough to contain the
// contents (at the new offset). All coordinates should be scaled by 2,
// corresponding to the device scale factor.
ASSERT_TRUE(GetRenderSurface(child));
EXPECT_EQ(gfx::RectF(100, 100, 50, 50),
GetRenderSurface(child)->DrawableContentRect());
}
TEST_F(DrawPropertiesTest, RenderSurfaceForBlendMode) {
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(10, 10));
child->SetBounds(gfx::Size(10, 10));
child->SetDrawsContent(true);
CopyProperties(root, child);
auto& child_effect_node = CreateEffectNode(child);
child_effect_node.render_surface_reason = RenderSurfaceReason::kTest;
child_effect_node.blend_mode = SkBlendMode::kMultiply;
child_effect_node.opacity = 0.5f;
UpdateActiveTreeDrawProperties();
// Since the child layer has a blend mode other than normal, it should get
// its own render surface.
ASSERT_TRUE(GetRenderSurface(child));
EXPECT_EQ(1.0f, child->draw_opacity());
EXPECT_EQ(0.5f, GetRenderSurface(child)->draw_opacity());
EXPECT_EQ(SkBlendMode::kMultiply, GetRenderSurface(child)->BlendMode());
}
TEST_F(DrawPropertiesTest, RenderSurfaceDrawOpacity) {
LayerImpl* root = root_layer();
LayerImpl* surface1 = AddLayer<LayerImpl>();
LayerImpl* not_surface = AddLayer<LayerImpl>();
LayerImpl* surface2 = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(10, 10));
surface1->SetBounds(gfx::Size(10, 10));
surface1->SetDrawsContent(true);
not_surface->SetBounds(gfx::Size(10, 10));
surface2->SetBounds(gfx::Size(10, 10));
surface2->SetDrawsContent(true);
CopyProperties(root, surface1);
auto& surface1_effect_node = CreateEffectNode(surface1);
surface1_effect_node.render_surface_reason = RenderSurfaceReason::kTest;
surface1_effect_node.opacity = 0.5f;
CopyProperties(surface1, not_surface);
CreateEffectNode(not_surface).opacity = 0.5f;
CopyProperties(not_surface, surface2);
auto& surface2_effect_node = CreateEffectNode(surface2);
surface2_effect_node.render_surface_reason = RenderSurfaceReason::kTest;
surface2_effect_node.opacity = 0.5f;
UpdateActiveTreeDrawProperties();
ASSERT_TRUE(GetRenderSurface(surface1));
ASSERT_EQ(GetRenderSurface(not_surface), GetRenderSurface(surface1));
ASSERT_TRUE(GetRenderSurface(surface2));
EXPECT_EQ(0.5f, GetRenderSurface(surface1)->draw_opacity());
// surface2's draw opacity should include the opacity of not-surface and
// itself, but not the opacity of surface1.
EXPECT_EQ(0.25f, GetRenderSurface(surface2)->draw_opacity());
}
TEST_F(DrawPropertiesTest, ClipRectCullsRenderSurfaces) {
// The entire subtree of layers that are outside the clip rect should be
// culled away, and should not affect the GetRenderSurfaceList.
//
// The test tree is set up as follows:
// - all layers except the leaf_nodes are forced to be a new render surface
// that have something to draw.
// - parent is a large container layer.
// - child has MasksToBounds=true to cause clipping.
// - grand_child is positioned outside of the child's bounds
// - great_grand_child is also kept outside child's bounds.
//
// In this configuration, grand_child and great_grand_child are completely
// outside the clip rect, and they should never get scheduled on the list of
// render surfaces.
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
LayerImpl* great_grand_child = AddLayer<LayerImpl>();
// leaf_node1 ensures that root and child are kept on the
// GetRenderSurfaceList, even though grand_child and great_grand_child should
// be clipped.
LayerImpl* leaf_node1 = AddLayer<LayerImpl>();
LayerImpl* leaf_node2 = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(500, 500));
child->SetBounds(gfx::Size(20, 20));
child->SetMasksToBounds(true);
grand_child->SetBounds(gfx::Size(10, 10));
great_grand_child->SetBounds(gfx::Size(10, 10));
leaf_node1->SetBounds(gfx::Size(500, 500));
leaf_node1->SetDrawsContent(true);
leaf_node1->SetBounds(gfx::Size(20, 20));
leaf_node2->SetDrawsContent(true);
CopyProperties(root, child);
CreateClipNode(child);
CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest;
CopyProperties(child, leaf_node1);
CopyProperties(child, grand_child);
grand_child->SetOffsetToTransformParent(gfx::Vector2dF(45.f, 45.f));
CopyProperties(grand_child, great_grand_child);
great_grand_child->SetOffsetToTransformParent(
grand_child->offset_to_transform_parent());
CopyProperties(great_grand_child, leaf_node2);
leaf_node2->SetOffsetToTransformParent(
great_grand_child->offset_to_transform_parent());
UpdateActiveTreeDrawProperties();
ASSERT_EQ(2U, GetRenderSurfaceList().size());
EXPECT_EQ(static_cast<uint64_t>(root->id()),
GetRenderSurfaceList().at(0)->id());
EXPECT_EQ(static_cast<uint64_t>(child->id()),
GetRenderSurfaceList().at(1)->id());
}
TEST_F(DrawPropertiesTest, ClipRectCullsSurfaceWithoutVisibleContent) {
// When a render surface has a clip rect, it is used to clip the content rect
// of the surface.
// The test tree is set up as follows:
// - root is a container layer that masksToBounds=true to cause clipping.
// - child is a render surface, which has a clip rect set to the bounds of
// the root.
// - grand_child is a render surface, and the only visible content in child.
// It is positioned outside of the clip rect from root.
// In this configuration, grand_child should be outside the clipped
// content rect of the child, making grand_child not appear in the
// GetRenderSurfaceList.
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
LayerImpl* leaf_node = AddLayer<LayerImpl>();
root->SetMasksToBounds(true);
root->SetBounds(gfx::Size(100, 100));
child->SetBounds(gfx::Size(20, 20));
grand_child->SetBounds(gfx::Size(10, 10));
leaf_node->SetBounds(gfx::Size(10, 10));
leaf_node->SetDrawsContent(true);
CreateClipNode(root);
CopyProperties(root, child);
CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest;
CopyProperties(child, grand_child);
grand_child->SetOffsetToTransformParent(gfx::Vector2dF(200.f, 200.f));
CreateEffectNode(grand_child).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(grand_child, leaf_node);
leaf_node->SetOffsetToTransformParent(
grand_child->offset_to_transform_parent());
UpdateActiveTreeDrawProperties();
// We should cull child and grand_child from the GetRenderSurfaceList.
ASSERT_EQ(1U, GetRenderSurfaceList().size());
EXPECT_EQ(static_cast<uint64_t>(root->id()),
GetRenderSurfaceList().at(0)->id());
}
TEST_F(DrawPropertiesTest, IsClippedIsSetCorrectlyLayerImpl) {
// Tests that LayerImpl's IsClipped() property is set to true when:
// - the layer clips its subtree, e.g. masks to bounds,
// - the layer is clipped by an ancestor that contributes to the same
// render target,
// - a surface is clipped by an ancestor that contributes to the same
// render target.
//
// In particular, for a layer that owns a render surface:
// - the render surface inherits any clip from ancestors, and does NOT
// pass that clipped status to the layer itself.
// - but if the layer itself masks to bounds, it is considered clipped
// and propagates the clip to the subtree.
LayerImpl* root = root_layer();
LayerImpl* parent = AddLayer<LayerImpl>();
LayerImpl* child1 = AddLayer<LayerImpl>();
LayerImpl* child2 = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
LayerImpl* leaf_node1 = AddLayer<LayerImpl>();
LayerImpl* leaf_node2 = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
parent->SetBounds(gfx::Size(100, 100));
parent->SetDrawsContent(true);
child1->SetBounds(gfx::Size(100, 100));
child1->SetDrawsContent(true);
child2->SetBounds(gfx::Size(100, 100));
child2->SetDrawsContent(true);
grand_child->SetBounds(gfx::Size(100, 100));
grand_child->SetDrawsContent(true);
leaf_node1->SetBounds(gfx::Size(100, 100));
leaf_node1->SetDrawsContent(true);
leaf_node2->SetBounds(gfx::Size(100, 100));
leaf_node2->SetDrawsContent(true);
CopyProperties(root, parent);
CopyProperties(parent, child1);
CopyProperties(child1, grand_child);
CopyProperties(grand_child, leaf_node1);
CopyProperties(parent, child2);
CreateTransformNode(child2);
CreateEffectNode(child2).render_surface_reason = RenderSurfaceReason::kTest;
CopyProperties(child2, leaf_node2);
// Case 1: nothing is clipped except the root render surface.
UpdateActiveTreeDrawProperties();
ASSERT_TRUE(GetRenderSurface(root));
ASSERT_TRUE(GetRenderSurface(child2));
EXPECT_FALSE(root->is_clipped());
EXPECT_TRUE(GetRenderSurface(root)->is_clipped());
EXPECT_FALSE(parent->is_clipped());
EXPECT_FALSE(child1->is_clipped());
EXPECT_FALSE(child2->is_clipped());
EXPECT_FALSE(GetRenderSurface(child2)->is_clipped());
EXPECT_FALSE(grand_child->is_clipped());
EXPECT_FALSE(leaf_node1->is_clipped());
EXPECT_FALSE(leaf_node2->is_clipped());
// Case 2: parent MasksToBounds, so the parent, child1, and child2's
// surface are clipped. But layers that contribute to child2's surface are
// not clipped explicitly because child2's surface already accounts for
// that clip.
parent->SetMasksToBounds(true);
CreateClipNode(parent);
child1->SetClipTreeIndex(parent->clip_tree_index());
grand_child->SetClipTreeIndex(parent->clip_tree_index());
leaf_node1->SetClipTreeIndex(parent->clip_tree_index());
child2->SetClipTreeIndex(parent->clip_tree_index());
GetEffectNode(child2)->clip_id = parent->clip_tree_index();
leaf_node2->SetClipTreeIndex(parent->clip_tree_index());
host_impl()->active_tree()->set_needs_update_draw_properties();
UpdateActiveTreeDrawProperties();
ASSERT_TRUE(GetRenderSurface(root));
ASSERT_TRUE(GetRenderSurface(child2));
EXPECT_FALSE(root->is_clipped());
EXPECT_TRUE(GetRenderSurface(root)->is_clipped());
EXPECT_TRUE(parent->is_clipped());
EXPECT_TRUE(child1->is_clipped());
EXPECT_FALSE(child2->is_clipped());
EXPECT_TRUE(GetRenderSurface(child2)->is_clipped());
EXPECT_TRUE(grand_child->is_clipped());
EXPECT_TRUE(leaf_node1->is_clipped());
EXPECT_FALSE(leaf_node2->is_clipped());
parent->SetMasksToBounds(false);
parent->SetClipTreeIndex(root->clip_tree_index());
child1->SetClipTreeIndex(root->clip_tree_index());
grand_child->SetClipTreeIndex(root->clip_tree_index());
leaf_node1->SetClipTreeIndex(root->clip_tree_index());
child2->SetClipTreeIndex(root->clip_tree_index());
GetEffectNode(child2)->clip_id = root->clip_tree_index();
leaf_node2->SetClipTreeIndex(root->clip_tree_index());
// Case 3: child2 MasksToBounds. The layer and subtree are clipped, and
// child2's render surface is not clipped.
child2->SetMasksToBounds(true);
CreateClipNode(child2);
leaf_node2->SetClipTreeIndex(child2->clip_tree_index());
host_impl()->active_tree()->set_needs_update_draw_properties();
UpdateActiveTreeDrawProperties();
ASSERT_TRUE(GetRenderSurface(root));
ASSERT_TRUE(GetRenderSurface(child2));
EXPECT_FALSE(root->is_clipped());
EXPECT_TRUE(GetRenderSurface(root)->is_clipped());
EXPECT_FALSE(parent->is_clipped());
EXPECT_FALSE(child1->is_clipped());
EXPECT_TRUE(child2->is_clipped());
EXPECT_FALSE(GetRenderSurface(child2)->is_clipped());
EXPECT_FALSE(grand_child->is_clipped());
EXPECT_FALSE(leaf_node1->is_clipped());
EXPECT_TRUE(leaf_node2->is_clipped());
}
TEST_F(DrawPropertiesTest, UpdateClipRectCorrectly) {
// Tests that when as long as layer is clipped, it's clip rect is set to
// correct value.
LayerImpl* root = root_layer();
LayerImpl* parent = AddLayer<LayerImpl>();
LayerImpl* child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
root->SetDrawsContent(true);
parent->SetBounds(gfx::Size(100, 100));
parent->SetDrawsContent(true);
child->SetBounds(gfx::Size(100, 100));
child->SetDrawsContent(true);
child->SetMasksToBounds(true);
CopyProperties(root, parent);
CopyProperties(parent, child);
CreateClipNode(child);
UpdateActiveTreeDrawProperties();
EXPECT_FALSE(root->is_clipped());
EXPECT_FALSE(parent->is_clipped());
EXPECT_TRUE(child->is_clipped());
EXPECT_EQ(gfx::Rect(100, 100), child->clip_rect());
parent->SetMasksToBounds(true);
CreateClipNode(parent);
GetClipNode(child)->parent_id = parent->clip_tree_index();
child->SetOffsetToTransformParent(gfx::Vector2dF(100.f, 100.f));
GetClipNode(child)->clip += gfx::Vector2dF(100.f, 100.f);
host_impl()->active_tree()->set_needs_update_draw_properties();
UpdateActiveTreeDrawProperties();
EXPECT_FALSE(root->is_clipped());
EXPECT_TRUE(parent->is_clipped());
EXPECT_TRUE(child->is_clipped());
EXPECT_EQ(gfx::Rect(), child->clip_rect());
}
TEST_F(DrawPropertiesTest, DrawableContentRectForLayers) {
// Verify that layers get the appropriate DrawableContentRect when their
// parent MasksToBounds is true.
//
// grand_child1 - completely inside the region; DrawableContentRect should
// be the layer rect expressed in target space.
// grand_child2 - partially clipped but NOT MasksToBounds; the clip rect
// will be the intersection of layer bounds and the mask region.
// grand_child3 - partially clipped and MasksToBounds; the
// DrawableContentRect will still be the intersection of layer bounds and
// the mask region.
// grand_child4 - outside parent's clip rect; the DrawableContentRect should
// be empty.
LayerImpl* parent = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child1 = AddLayer<LayerImpl>();
LayerImpl* grand_child2 = AddLayer<LayerImpl>();
LayerImpl* grand_child3 = AddLayer<LayerImpl>();
LayerImpl* grand_child4 = AddLayer<LayerImpl>();
parent->SetBounds(gfx::Size(500, 500));
child->SetMasksToBounds(true);
child->SetBounds(gfx::Size(20, 20));
grand_child1->SetBounds(gfx::Size(10, 10));
grand_child1->SetDrawsContent(true);
grand_child2->SetBounds(gfx::Size(10, 10));
grand_child2->SetDrawsContent(true);
grand_child3->SetBounds(gfx::Size(10, 10));
grand_child3->SetMasksToBounds(true);
grand_child3->SetDrawsContent(true);
grand_child4->SetBounds(gfx::Size(10, 10));
grand_child4->SetDrawsContent(true);
CopyProperties(parent, child);
CreateTransformNode(child);
CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest;
CreateClipNode(child);
CopyProperties(child, grand_child1);
grand_child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f));
CopyProperties(child, grand_child2);
grand_child2->SetOffsetToTransformParent(gfx::Vector2dF(15.f, 15.f));
CopyProperties(child, grand_child3);
grand_child3->SetOffsetToTransformParent(gfx::Vector2dF(15.f, 15.f));
CreateClipNode(grand_child3);
CopyProperties(child, grand_child4);
grand_child4->SetOffsetToTransformParent(gfx::Vector2dF(45.f, 45.f));
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(5, 5, 10, 10), grand_child1->drawable_content_rect());
EXPECT_EQ(gfx::Rect(15, 15, 5, 5), grand_child3->drawable_content_rect());
EXPECT_EQ(gfx::Rect(15, 15, 5, 5), grand_child3->drawable_content_rect());
EXPECT_TRUE(grand_child4->drawable_content_rect().IsEmpty());
}
TEST_F(DrawPropertiesTest, ClipRectIsPropagatedCorrectlyToSurfaces) {
// Verify that render surfaces (and their layers) get the appropriate
// clip rects when their parent MasksToBounds is true.
//
// Layers that own render surfaces (at least for now) do not inherit any
// clipping; instead the surface will enforce the clip for the entire subtree.
// They may still have a clip rect of their own layer bounds, however, if
// MasksToBounds was true.
LayerImpl* parent = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child1 = AddLayer<LayerImpl>();
LayerImpl* grand_child2 = AddLayer<LayerImpl>();
LayerImpl* grand_child3 = AddLayer<LayerImpl>();
LayerImpl* grand_child4 = AddLayer<LayerImpl>();
// The leaf nodes ensure that these grand_children become render surfaces for
// this test.
LayerImpl* leaf_node1 = AddLayer<LayerImpl>();
LayerImpl* leaf_node2 = AddLayer<LayerImpl>();
LayerImpl* leaf_node3 = AddLayer<LayerImpl>();
LayerImpl* leaf_node4 = AddLayer<LayerImpl>();
parent->SetBounds(gfx::Size(500, 500));
child->SetBounds(gfx::Size(20, 20));
child->SetMasksToBounds(true);
grand_child1->SetBounds(gfx::Size(10, 10));
grand_child2->SetBounds(gfx::Size(10, 10));
grand_child3->SetBounds(gfx::Size(10, 10));
grand_child3->SetMasksToBounds(true);
grand_child4->SetBounds(gfx::Size(10, 10));
grand_child4->SetMasksToBounds(true);
leaf_node1->SetBounds(gfx::Size(10, 10));
leaf_node1->SetDrawsContent(true);
leaf_node2->SetBounds(gfx::Size(10, 10));
leaf_node2->SetDrawsContent(true);
leaf_node3->SetBounds(gfx::Size(10, 10));
leaf_node3->SetDrawsContent(true);
leaf_node4->SetBounds(gfx::Size(10, 10));
leaf_node4->SetDrawsContent(true);
CopyProperties(parent, child);
CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest;
CreateClipNode(child);
CopyProperties(child, grand_child1);
CreateTransformNode(grand_child1).post_translation = gfx::Vector2dF(5.f, 5.f);
CreateEffectNode(grand_child1).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(grand_child1, leaf_node1);
CopyProperties(child, grand_child2);
CreateTransformNode(grand_child2).post_translation =
gfx::Vector2dF(15.f, 15.f);
CreateEffectNode(grand_child2).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(grand_child2, leaf_node2);
CopyProperties(child, grand_child3);
CreateTransformNode(grand_child3).post_translation =
gfx::Vector2dF(15.f, 15.f);
CreateEffectNode(grand_child3).render_surface_reason =
RenderSurfaceReason::kTest;
CreateClipNode(grand_child3);
CopyProperties(grand_child3, leaf_node3);
CopyProperties(child, grand_child4);
CreateTransformNode(grand_child4).post_translation =
gfx::Vector2dF(45.f, 45.f);
CreateEffectNode(grand_child4).render_surface_reason =
RenderSurfaceReason::kTest;
CreateClipNode(grand_child4);
CopyProperties(grand_child4, leaf_node4);
UpdateActiveTreeDrawProperties();
ASSERT_TRUE(GetRenderSurface(grand_child1));
ASSERT_TRUE(GetRenderSurface(grand_child2));
ASSERT_TRUE(GetRenderSurface(grand_child3));
// Surfaces are clipped by their parent, but un-affected by the owning layer's
// MasksToBounds.
EXPECT_EQ(gfx::Rect(0, 0, 20, 20),
GetRenderSurface(grand_child1)->clip_rect());
EXPECT_EQ(gfx::Rect(0, 0, 20, 20),
GetRenderSurface(grand_child2)->clip_rect());
EXPECT_EQ(gfx::Rect(0, 0, 20, 20),
GetRenderSurface(grand_child3)->clip_rect());
}
TEST_F(DrawPropertiesTest, AnimationsForRenderSurfaceHierarchy) {
LayerImpl* root = root_layer();
LayerImpl* top = AddLayer<LayerImpl>();
LayerImpl* render_surface1 = AddLayer<LayerImpl>();
LayerImpl* child_of_rs1 = AddLayer<LayerImpl>();
LayerImpl* grand_child_of_rs1 = AddLayer<LayerImpl>();
LayerImpl* render_surface2 = AddLayer<LayerImpl>();
LayerImpl* child_of_rs2 = AddLayer<LayerImpl>();
LayerImpl* grand_child_of_rs2 = AddLayer<LayerImpl>();
LayerImpl* child_of_top = AddLayer<LayerImpl>();
LayerImpl* grand_child_of_top = AddLayer<LayerImpl>();
SetElementIdsForTesting();
top->SetDrawsContent(true);
render_surface1->SetDrawsContent(true);
child_of_rs1->SetDrawsContent(true);
grand_child_of_rs1->SetDrawsContent(true);
render_surface2->SetDrawsContent(true);
child_of_rs2->SetDrawsContent(true);
grand_child_of_rs2->SetDrawsContent(true);
child_of_top->SetDrawsContent(true);
grand_child_of_top->SetDrawsContent(true);
gfx::Transform layer_transform;
layer_transform.Translate(1.0, 1.0);
root->SetBounds(gfx::Size(10, 10));
top->SetBounds(gfx::Size(10, 10));
render_surface1->SetBounds(gfx::Size(10, 10));
render_surface2->SetBounds(gfx::Size(10, 10));
child_of_top->SetBounds(gfx::Size(10, 10));
child_of_rs1->SetBounds(gfx::Size(10, 10));
child_of_rs2->SetBounds(gfx::Size(10, 10));
grand_child_of_top->SetBounds(gfx::Size(10, 10));
grand_child_of_rs1->SetBounds(gfx::Size(10, 10));
grand_child_of_rs2->SetBounds(gfx::Size(10, 10));
CopyProperties(root, top);
CreateTransformNode(top).local = layer_transform;
CopyProperties(top, render_surface1);
auto& render_surface1_transform_node = CreateTransformNode(render_surface1);
render_surface1_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f);
render_surface1_transform_node.post_translation = gfx::Vector2dF(2.5f, 0.f);
render_surface1_transform_node.local = layer_transform;
CreateEffectNode(render_surface1).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface1, child_of_rs1);
auto& child_of_rs1_transform_node = CreateTransformNode(child_of_rs1);
child_of_rs1_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f);
child_of_rs1_transform_node.post_translation = gfx::Vector2dF(2.5f, 0.f);
child_of_rs1_transform_node.local = layer_transform;
CopyProperties(child_of_rs1, grand_child_of_rs1);
auto& grand_child_of_rs1_transform_node =
CreateTransformNode(grand_child_of_rs1);
grand_child_of_rs1_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f);
grand_child_of_rs1_transform_node.post_translation =
gfx::Vector2dF(2.5f, 0.f);
grand_child_of_rs1_transform_node.local = layer_transform;
CopyProperties(render_surface1, render_surface2);
auto& render_surface2_transform_node = CreateTransformNode(render_surface2);
render_surface2_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f);
render_surface2_transform_node.post_translation = gfx::Vector2dF(2.5f, 0.f);
render_surface2_transform_node.local = layer_transform;
CreateEffectNode(render_surface2).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface2, child_of_rs2);
auto& child_of_rs2_transform_node = CreateTransformNode(child_of_rs2);
child_of_rs2_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f);
child_of_rs2_transform_node.post_translation = gfx::Vector2dF(2.5f, 0.f);
child_of_rs2_transform_node.local = layer_transform;
CopyProperties(child_of_rs2, grand_child_of_rs2);
auto& grand_child_of_rs2_transform_node =
CreateTransformNode(grand_child_of_rs2);
grand_child_of_rs2_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f);
grand_child_of_rs2_transform_node.post_translation =
gfx::Vector2dF(2.5f, 0.f);
grand_child_of_rs2_transform_node.local = layer_transform;
CopyProperties(top, child_of_top);
auto& child_of_top_transform_node = CreateTransformNode(child_of_top);
child_of_top_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f);
child_of_top_transform_node.post_translation = gfx::Vector2dF(2.5f, 0.f);
child_of_top_transform_node.local = layer_transform;
CopyProperties(child_of_top, grand_child_of_top);
auto& grand_child_of_top_transform_node =
CreateTransformNode(grand_child_of_top);
grand_child_of_top_transform_node.origin = gfx::Point3F(0.25f, 0.f, 0.f);
grand_child_of_top_transform_node.post_translation =
gfx::Vector2dF(2.5f, 0.f);
grand_child_of_top_transform_node.local = layer_transform;
// Put an animated opacity on the render surface.
AddOpacityTransitionToElementWithAnimation(
render_surface1->element_id(), timeline_impl(), 10.0, 1.f, 0.f, false);
// Also put an animated opacity on a layer without descendants.
AddOpacityTransitionToElementWithAnimation(
grand_child_of_top->element_id(), timeline_impl(), 10.0, 1.f, 0.f, false);
// Put a transform animation on the render surface.
AddAnimatedTransformToElementWithAnimation(render_surface2->element_id(),
timeline_impl(), 10.0, 30, 0);
// Also put transform animations on grand_child_of_top, and
// grand_child_of_rs2
AddAnimatedTransformToElementWithAnimation(grand_child_of_top->element_id(),
timeline_impl(), 10.0, 30, 0);
AddAnimatedTransformToElementWithAnimation(grand_child_of_rs2->element_id(),
timeline_impl(), 10.0, 30, 0);
UpdateActiveTreeDrawProperties();
// Only layers that are associated with render surfaces should have an actual
// RenderSurface() value.
ASSERT_TRUE(GetRenderSurface(root));
ASSERT_EQ(GetRenderSurface(top), GetRenderSurface(root));
ASSERT_EQ(GetRenderSurface(child_of_top), GetRenderSurface(root));
ASSERT_EQ(GetRenderSurface(grand_child_of_top), GetRenderSurface(root));
ASSERT_NE(GetRenderSurface(render_surface1), GetRenderSurface(root));
ASSERT_EQ(GetRenderSurface(child_of_rs1), GetRenderSurface(render_surface1));
ASSERT_EQ(GetRenderSurface(grand_child_of_rs1),
GetRenderSurface(render_surface1));
ASSERT_NE(GetRenderSurface(render_surface2), GetRenderSurface(root));
ASSERT_NE(GetRenderSurface(render_surface2),
GetRenderSurface(render_surface1));
ASSERT_EQ(GetRenderSurface(child_of_rs2), GetRenderSurface(render_surface2));
ASSERT_EQ(GetRenderSurface(grand_child_of_rs2),
GetRenderSurface(render_surface2));
// Verify all render target accessors
EXPECT_EQ(GetRenderSurface(root), root->render_target());
EXPECT_EQ(GetRenderSurface(root), top->render_target());
EXPECT_EQ(GetRenderSurface(root), child_of_top->render_target());
EXPECT_EQ(GetRenderSurface(root), grand_child_of_top->render_target());
EXPECT_EQ(GetRenderSurface(render_surface1),
render_surface1->render_target());
EXPECT_EQ(GetRenderSurface(render_surface1), child_of_rs1->render_target());
EXPECT_EQ(GetRenderSurface(render_surface1),
grand_child_of_rs1->render_target());
EXPECT_EQ(GetRenderSurface(render_surface2),
render_surface2->render_target());
EXPECT_EQ(GetRenderSurface(render_surface2), child_of_rs2->render_target());
EXPECT_EQ(GetRenderSurface(render_surface2),
grand_child_of_rs2->render_target());
// Verify screen_space_transform_is_animating values
EXPECT_FALSE(root->screen_space_transform_is_animating());
EXPECT_FALSE(child_of_top->screen_space_transform_is_animating());
EXPECT_TRUE(grand_child_of_top->screen_space_transform_is_animating());
EXPECT_FALSE(render_surface1->screen_space_transform_is_animating());
EXPECT_FALSE(child_of_rs1->screen_space_transform_is_animating());
EXPECT_FALSE(grand_child_of_rs1->screen_space_transform_is_animating());
EXPECT_TRUE(render_surface2->screen_space_transform_is_animating());
EXPECT_TRUE(child_of_rs2->screen_space_transform_is_animating());
EXPECT_TRUE(grand_child_of_rs2->screen_space_transform_is_animating());
// Sanity check. If these fail there is probably a bug in the test itself.
// It is expected that we correctly set up transforms so that the y-component
// of the screen-space transform encodes the "depth" of the layer in the tree.
EXPECT_FLOAT_EQ(1.0, top->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(2.0, child_of_top->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(
3.0, grand_child_of_top->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(2.0,
render_surface1->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(3.0, child_of_rs1->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(
4.0, grand_child_of_rs1->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(3.0,
render_surface2->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(4.0, child_of_rs2->ScreenSpaceTransform().matrix().get(1, 3));
EXPECT_FLOAT_EQ(
5.0, grand_child_of_rs2->ScreenSpaceTransform().matrix().get(1, 3));
}
TEST_F(DrawPropertiesTest, LargeTransforms) {
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
gfx::Transform large_transform;
large_transform.Scale(SkDoubleToMScalar(1e37), SkDoubleToMScalar(1e37));
root->SetBounds(gfx::Size(10, 10));
child->SetBounds(gfx::Size(10, 10));
grand_child->SetBounds(gfx::Size(10, 10));
grand_child->SetDrawsContent(true);
CopyProperties(root, child);
CreateTransformNode(child).local = large_transform;
CopyProperties(child, grand_child);
CreateTransformNode(grand_child).local = large_transform;
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(), grand_child->visible_layer_rect());
}
static bool TransformIsAnimating(LayerImpl* layer) {
MutatorHost* host = layer->layer_tree_impl()->mutator_host();
return host->IsAnimatingTransformProperty(
layer->element_id(), layer->GetElementTypeForAnimation());
}
static bool HasPotentiallyRunningTransformAnimation(LayerImpl* layer) {
MutatorHost* host = layer->layer_tree_impl()->mutator_host();
return host->HasPotentiallyRunningTransformAnimation(
layer->element_id(), layer->GetElementTypeForAnimation());
}
TEST_F(DrawPropertiesTest,
ScreenSpaceTransformIsAnimatingWithDelayedAnimation) {
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
LayerImpl* great_grand_child = AddLayer<LayerImpl>();
root->SetDrawsContent(true);
child->SetDrawsContent(true);
grand_child->SetDrawsContent(true);
great_grand_child->SetDrawsContent(true);
root->SetBounds(gfx::Size(10, 10));
child->SetBounds(gfx::Size(10, 10));
grand_child->SetBounds(gfx::Size(10, 10));
great_grand_child->SetBounds(gfx::Size(10, 10));
SetElementIdsForTesting();
CopyProperties(root, child);
CopyProperties(child, grand_child);
CreateTransformNode(grand_child); // for animation.
CopyProperties(grand_child, great_grand_child);
// Add a transform animation with a start delay to |grand_child|.
std::unique_ptr<KeyframeModel> keyframe_model = KeyframeModel::Create(
std::unique_ptr<AnimationCurve>(new FakeTransformTransition(1.0)), 0, 1,
TargetProperty::TRANSFORM);
keyframe_model->set_fill_mode(KeyframeModel::FillMode::NONE);
keyframe_model->set_time_offset(base::TimeDelta::FromMilliseconds(-1000));
AddKeyframeModelToElementWithAnimation(
grand_child->element_id(), timeline_impl(), std::move(keyframe_model));
UpdateActiveTreeDrawProperties();
EXPECT_FALSE(root->screen_space_transform_is_animating());
EXPECT_FALSE(child->screen_space_transform_is_animating());
EXPECT_FALSE(TransformIsAnimating(grand_child));
EXPECT_TRUE(HasPotentiallyRunningTransformAnimation(grand_child));
EXPECT_TRUE(grand_child->screen_space_transform_is_animating());
EXPECT_TRUE(great_grand_child->screen_space_transform_is_animating());
}
// Test visible layer rect and drawable content rect are calculated correctly
// for identity transforms.
TEST_F(DrawPropertiesDrawRectsTest, DrawRectsForIdentityTransform) {
gfx::Rect target_surface_rect = gfx::Rect(0, 0, 100, 100);
gfx::Transform layer_to_surface_transform;
// Case 1: Layer is contained within the surface.
gfx::Rect layer_content_rect = gfx::Rect(10, 10, 30, 30);
gfx::Rect expected_visible_layer_rect = gfx::Rect(30, 30);
gfx::Rect expected_drawable_content_rect = gfx::Rect(10, 10, 30, 30);
LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
// Case 2: Layer is outside the surface rect.
layer_content_rect = gfx::Rect(120, 120, 30, 30);
expected_visible_layer_rect = gfx::Rect();
expected_drawable_content_rect = gfx::Rect();
drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
// Case 3: Layer is partially overlapping the surface rect.
layer_content_rect = gfx::Rect(80, 80, 30, 30);
expected_visible_layer_rect = gfx::Rect(20, 20);
expected_drawable_content_rect = gfx::Rect(80, 80, 20, 20);
drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
}
// Test visible layer rect and drawable content rect are calculated correctly
// for rotations about z-axis (i.e. 2D rotations).
TEST_F(DrawPropertiesDrawRectsTest, DrawRectsFor2DRotations) {
gfx::Rect target_surface_rect = gfx::Rect(0, 0, 100, 100);
gfx::Rect layer_content_rect = gfx::Rect(0, 0, 30, 30);
gfx::Transform layer_to_surface_transform;
// Case 1: Layer is contained within the surface.
layer_to_surface_transform.MakeIdentity();
layer_to_surface_transform.Translate(50.0, 50.0);
layer_to_surface_transform.Rotate(45.0);
gfx::Rect expected_visible_layer_rect = gfx::Rect(30, 30);
gfx::Rect expected_drawable_content_rect = gfx::Rect(28, 50, 44, 43);
LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
// Case 2: Layer is outside the surface rect.
layer_to_surface_transform.MakeIdentity();
layer_to_surface_transform.Translate(-50.0, 0.0);
layer_to_surface_transform.Rotate(45.0);
expected_visible_layer_rect = gfx::Rect();
expected_drawable_content_rect = gfx::Rect();
drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
// Case 3: The layer is rotated about its top-left corner. In surface space,
// the layer is oriented diagonally, with the left half outside of the render
// surface. In this case, the g should still be the entire layer
// (remember the g is computed in layer space); both the top-left
// and bottom-right corners of the layer are still visible.
layer_to_surface_transform.MakeIdentity();
layer_to_surface_transform.Rotate(45.0);
expected_visible_layer_rect = gfx::Rect(30, 30);
expected_drawable_content_rect = gfx::Rect(22, 43);
drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
// Case 4: The layer is rotated about its top-left corner, and translated
// upwards. In surface space, the layer is oriented diagonally, with only the
// top corner of the surface overlapping the layer. In layer space, the render
// surface overlaps the right side of the layer. The g should be
// the layer's right half.
layer_to_surface_transform.MakeIdentity();
layer_to_surface_transform.Translate(0.0, -sqrt(2.0) * 15.0);
layer_to_surface_transform.Rotate(45.0);
// Right half of layer bounds.
expected_visible_layer_rect = gfx::Rect(15, 0, 15, 30);
expected_drawable_content_rect = gfx::Rect(22, 22);
drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
}
// Test visible layer rect and drawable content rect are calculated correctly
// for 3d transforms.
TEST_F(DrawPropertiesDrawRectsTest, DrawRectsFor3dOrthographicTransform) {
gfx::Rect target_surface_rect = gfx::Rect(0, 0, 100, 100);
gfx::Rect layer_content_rect = gfx::Rect(0, 0, 100, 100);
gfx::Transform layer_to_surface_transform;
// Case 1: Orthographic projection of a layer rotated about y-axis by 45
// degrees, should be fully contained in the render surface.
// 100 is the un-rotated layer width; divided by sqrt(2) is the rotated width.
layer_to_surface_transform.MakeIdentity();
layer_to_surface_transform.RotateAboutYAxis(45.0);
gfx::Rect expected_visible_layer_rect = gfx::Rect(100, 100);
gfx::Rect expected_drawable_content_rect = gfx::Rect(71, 100);
LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
// Case 2: Orthographic projection of a layer rotated about y-axis by 45
// degrees, but shifted to the side so only the right-half the layer would be
// visible on the surface.
// 50 is the un-rotated layer width; divided by sqrt(2) is the rotated width.
SkMScalar half_width_of_rotated_layer =
SkDoubleToMScalar((100.0 / sqrt(2.0)) * 0.5);
layer_to_surface_transform.MakeIdentity();
layer_to_surface_transform.Translate(-half_width_of_rotated_layer, 0.0);
layer_to_surface_transform.RotateAboutYAxis(45.0); // Rotates about the left
// edge of the layer.
// Tight half of the layer.
expected_visible_layer_rect = gfx::Rect(50, 0, 50, 100);
expected_drawable_content_rect = gfx::Rect(36, 100);
drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
}
// Test visible layer rect and drawable content rect are calculated correctly
// when the layer has a perspective projection onto the target surface.
TEST_F(DrawPropertiesDrawRectsTest, DrawRectsFor3dPerspectiveTransform) {
gfx::Rect target_surface_rect = gfx::Rect(0, 0, 100, 100);
gfx::Rect layer_content_rect = gfx::Rect(-50, -50, 200, 200);
gfx::Transform layer_to_surface_transform;
// Case 1: Even though the layer is twice as large as the surface, due to
// perspective foreshortening, the layer will fit fully in the surface when
// its translated more than the perspective amount.
layer_to_surface_transform.MakeIdentity();
// The following sequence of transforms applies the perspective about the
// center of the surface.
layer_to_surface_transform.Translate(50.0, 50.0);
layer_to_surface_transform.ApplyPerspectiveDepth(9.0);
layer_to_surface_transform.Translate(-50.0, -50.0);
// This translate places the layer in front of the surface's projection plane.
layer_to_surface_transform.Translate3d(0.0, 0.0, -27.0);
// Layer position is (-50, -50), visible rect in layer space is layer bounds
// offset by layer position.
gfx::Rect expected_visible_layer_rect = gfx::Rect(50, 50, 150, 150);
gfx::Rect expected_drawable_content_rect = gfx::Rect(38, 38);
LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
// Case 2: same projection as before, except that the layer is also translated
// to the side, so that only the right half of the layer should be visible.
//
// Explanation of expected result: The perspective ratio is (z distance
// between layer and camera origin) / (z distance between projection plane and
// camera origin) == ((-27 - 9) / 9) Then, by similar triangles, if we want to
// move a layer by translating -25 units in projected surface units (so that
// only half of it is visible), then we would need to translate by (-36 / 9) *
// -25 == -100 in the layer's units.
layer_to_surface_transform.Translate3d(-100.0, 0.0, 0.0);
// Visible layer rect is moved by 100, and drawable content rect is in target
// space and is moved by 25.
expected_visible_layer_rect = gfx::Rect(150, 50, 50, 150);
expected_drawable_content_rect = gfx::Rect(13, 38);
drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
}
// There is currently no explicit concept of an orthographic projection plane
// in our code (nor in the CSS spec to my knowledge). Therefore, layers that
// are technically behind the surface in an orthographic world should not be
// clipped when they are flattened to the surface.
TEST_F(DrawPropertiesDrawRectsTest,
DrawRectsFor3dOrthographicIsNotClippedBehindSurface) {
gfx::Rect target_surface_rect = gfx::Rect(0, 0, 100, 100);
gfx::Rect layer_content_rect = gfx::Rect(0, 0, 100, 100);
gfx::Transform layer_to_surface_transform;
// This sequence of transforms effectively rotates the layer about the y-axis
// at the center of the layer.
layer_to_surface_transform.MakeIdentity();
layer_to_surface_transform.Translate(50.0, 0.0);
layer_to_surface_transform.RotateAboutYAxis(45.0);
layer_to_surface_transform.Translate(-50.0, 0.0);
// Layer is rotated about Y Axis, and its width is 100/sqrt(2) in surface
// space.
gfx::Rect expected_visible_layer_rect = gfx::Rect(100, 100);
gfx::Rect expected_drawable_content_rect = gfx::Rect(14, 0, 72, 100);
LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
}
// Test visible layer rect and drawable content rect are calculated correctly
// when projecting a surface onto a layer, but the layer is partially behind
// the camera (not just behind the projection plane). In this case, the
// cartesian coordinates may seem to be valid, but actually they are not. The
// visible rect needs to be properly clipped by the w = 0 plane in homogeneous
// coordinates before converting to cartesian coordinates. The drawable
// content rect would be entire surface rect because layer is rotated at the
// camera position.
TEST_F(DrawPropertiesDrawRectsTest, DrawRectsFor3dPerspectiveWhenClippedByW) {
gfx::Rect target_surface_rect = gfx::Rect(0, 0, 200, 200);
gfx::Rect layer_content_rect = gfx::Rect(0, 0, 20, 2);
gfx::Transform layer_to_surface_transform;
// The layer is positioned so that the right half of the layer should be in
// front of the camera, while the other half is behind the surface's
// projection plane. The following sequence of transforms applies the
// perspective and rotation about the center of the layer.
layer_to_surface_transform.MakeIdentity();
layer_to_surface_transform.ApplyPerspectiveDepth(1.0);
layer_to_surface_transform.Translate3d(10.0, 0.0, 1.0);
layer_to_surface_transform.RotateAboutYAxis(-45.0);
layer_to_surface_transform.Translate(-10, -1);
// Sanity check that this transform does indeed cause w < 0 when applying the
// transform, otherwise this code is not testing the intended scenario.
bool clipped;
MathUtil::MapQuad(layer_to_surface_transform,
gfx::QuadF(gfx::RectF(layer_content_rect)), &clipped);
ASSERT_TRUE(clipped);
gfx::Rect expected_visible_layer_rect = gfx::Rect(0, 1, 10, 1);
gfx::Rect expected_drawable_content_rect = target_surface_rect;
LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
}
static bool ProjectionClips(const gfx::Transform& map_transform,
const gfx::RectF& mapped_rect) {
gfx::Transform inverse(Inverse(map_transform));
bool clipped = false;
if (!clipped)
MathUtil::ProjectPoint(inverse, mapped_rect.top_right(), &clipped);
if (!clipped)
MathUtil::ProjectPoint(inverse, mapped_rect.origin(), &clipped);
if (!clipped)
MathUtil::ProjectPoint(inverse, mapped_rect.bottom_right(), &clipped);
if (!clipped)
MathUtil::ProjectPoint(inverse, mapped_rect.bottom_left(), &clipped);
return clipped;
}
// To determine visible rect in layer space, there needs to be an
// un-projection from surface space to layer space. When the original
// transform was a perspective projection that was clipped, it returns a rect
// that encloses the clipped bounds. Un-projecting this new rect may require
// clipping again.
TEST_F(DrawPropertiesDrawRectsTest, DrawRectsForPerspectiveUnprojection) {
// This sequence of transforms causes one corner of the layer to protrude
// across the w = 0 plane, and should be clipped.
gfx::Rect target_surface_rect = gfx::Rect(0, 0, 150, 150);
gfx::Rect layer_content_rect = gfx::Rect(0, 0, 20, 20);
gfx::Transform layer_to_surface_transform;
layer_to_surface_transform.MakeIdentity();
layer_to_surface_transform.Translate(10, 10);
layer_to_surface_transform.ApplyPerspectiveDepth(1.0);
layer_to_surface_transform.Translate3d(0.0, 0.0, -5.0);
layer_to_surface_transform.RotateAboutYAxis(45.0);
layer_to_surface_transform.RotateAboutXAxis(80.0);
layer_to_surface_transform.Translate(-10, -10);
// Sanity check that un-projection does indeed cause w < 0, otherwise this
// code is not testing the intended scenario.
gfx::RectF clipped_rect = MathUtil::MapClippedRect(
layer_to_surface_transform, gfx::RectF(layer_content_rect));
ASSERT_TRUE(ProjectionClips(layer_to_surface_transform, clipped_rect));
// Only the corner of the layer is not visible on the surface because of being
// clipped. But, the net result of rounding visible region to an axis-aligned
// rect is that the entire layer should still be considered visible.
gfx::Rect expected_visible_layer_rect = layer_content_rect;
gfx::Rect expected_drawable_content_rect = target_surface_rect;
LayerImpl* drawing_layer = TestVisibleRectAndDrawableContentRect(
target_surface_rect, layer_to_surface_transform, layer_content_rect);
EXPECT_EQ(expected_visible_layer_rect, drawing_layer->visible_layer_rect());
EXPECT_EQ(expected_drawable_content_rect,
drawing_layer->drawable_content_rect());
}
TEST_F(DrawPropertiesTest, DrawableAndVisibleContentRectsForSimpleLayers) {
LayerImpl* root = root_layer();
LayerImpl* child1_layer = AddLayer<LayerImpl>();
LayerImpl* child2_layer = AddLayer<LayerImpl>();
LayerImpl* child3_layer = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
child1_layer->SetBounds(gfx::Size(50, 50));
child1_layer->SetDrawsContent(true);
child2_layer->SetBounds(gfx::Size(50, 50));
child2_layer->SetDrawsContent(true);
child3_layer->SetBounds(gfx::Size(50, 50));
child3_layer->SetDrawsContent(true);
CopyProperties(root, child1_layer);
CopyProperties(root, child2_layer);
child2_layer->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f));
CopyProperties(root, child3_layer);
child3_layer->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f));
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::RectF(100.f, 100.f),
GetRenderSurface(root)->DrawableContentRect());
// Layers that do not draw content should have empty visible_layer_rects.
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect());
// layer visible_layer_rects are clipped by their target surface.
EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1_layer->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 25, 25), child2_layer->visible_layer_rect());
EXPECT_TRUE(child3_layer->visible_layer_rect().IsEmpty());
// layer drawable_content_rects are not clipped.
EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1_layer->drawable_content_rect());
EXPECT_EQ(gfx::Rect(75, 75, 50, 50), child2_layer->drawable_content_rect());
EXPECT_EQ(gfx::Rect(125, 125, 50, 50), child3_layer->drawable_content_rect());
}
TEST_F(DrawPropertiesTest,
DrawableAndVisibleContentRectsForLayersClippedByLayer) {
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child1 = AddLayer<LayerImpl>();
LayerImpl* grand_child2 = AddLayer<LayerImpl>();
LayerImpl* grand_child3 = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
child->SetBounds(gfx::Size(100, 100));
child->SetMasksToBounds(true);
grand_child1->SetBounds(gfx::Size(50, 50));
grand_child1->SetDrawsContent(true);
grand_child2->SetBounds(gfx::Size(50, 50));
grand_child2->SetDrawsContent(true);
grand_child3->SetBounds(gfx::Size(50, 50));
grand_child3->SetDrawsContent(true);
CopyProperties(root, child);
CreateClipNode(child);
CopyProperties(child, grand_child1);
grand_child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f));
CopyProperties(child, grand_child2);
grand_child2->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f));
CopyProperties(child, grand_child3);
grand_child3->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f));
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::RectF(100.f, 100.f),
GetRenderSurface(root)->DrawableContentRect());
// Layers that do not draw content should have empty visible content rects.
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), child->visible_layer_rect());
// All grandchild visible content rects should be clipped by child.
EXPECT_EQ(gfx::Rect(0, 0, 50, 50), grand_child1->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 25, 25), grand_child2->visible_layer_rect());
EXPECT_TRUE(grand_child3->visible_layer_rect().IsEmpty());
// All grandchild DrawableContentRects should also be clipped by child.
EXPECT_EQ(gfx::Rect(5, 5, 50, 50), grand_child1->drawable_content_rect());
EXPECT_EQ(gfx::Rect(75, 75, 25, 25), grand_child2->drawable_content_rect());
EXPECT_TRUE(grand_child3->drawable_content_rect().IsEmpty());
}
TEST_F(DrawPropertiesTest, VisibleContentRectWithClippingAndScaling) {
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
gfx::Transform child_scale_matrix;
child_scale_matrix.Scale(0.25f, 0.25f);
gfx::Transform grand_child_scale_matrix;
grand_child_scale_matrix.Scale(0.246f, 0.246f);
root->SetBounds(gfx::Size(100, 100));
child->SetBounds(gfx::Size(10, 10));
child->SetMasksToBounds(true);
grand_child->SetBounds(gfx::Size(100, 100));
grand_child->SetDrawsContent(true);
CopyProperties(root, child);
CreateTransformNode(child).local = child_scale_matrix;
CreateClipNode(child);
CopyProperties(child, grand_child);
CreateTransformNode(grand_child).local = grand_child_scale_matrix;
UpdateActiveTreeDrawProperties();
// The visible rect is expanded to integer coordinates.
EXPECT_EQ(gfx::Rect(41, 41), grand_child->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, ClipRectWithClipParent) {
LayerImpl* root = root_layer();
LayerImpl* clip = AddLayer<LayerImpl>();
LayerImpl* child1 = AddLayer<LayerImpl>();
LayerImpl* child2 = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
CreateClipNode(root);
clip->SetBounds(gfx::Size(10, 10));
CopyProperties(root, clip);
CreateClipNode(clip);
child1->SetBounds(gfx::Size(20, 20));
child1->SetDrawsContent(true);
CopyProperties(clip, child1);
child1->SetClipTreeIndex(root->clip_tree_index());
child2->SetBounds(gfx::Size(20, 20));
child2->SetDrawsContent(true);
CopyProperties(clip, child2);
UpdateActiveTreeDrawProperties();
EXPECT_TRUE(child1->is_clipped());
EXPECT_TRUE(child2->is_clipped());
EXPECT_EQ(gfx::Rect(100, 100), child1->clip_rect());
EXPECT_EQ(gfx::Rect(10, 10), child2->clip_rect());
}
TEST_F(DrawPropertiesTest, ClipRectWithClippedDescendantOfFilter) {
LayerImpl* root = root_layer();
LayerImpl* filter = AddLayer<LayerImpl>();
LayerImpl* clip = AddLayer<LayerImpl>();
LayerImpl* filter_grand_child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
clip->SetBounds(gfx::Size(10, 10));
clip->SetMasksToBounds(true);
filter_grand_child->SetBounds(gfx::Size(20, 20));
filter_grand_child->SetDrawsContent(true);
CopyProperties(root, filter);
CreateEffectNode(filter).render_surface_reason = RenderSurfaceReason::kTest;
CopyProperties(filter, clip);
CreateClipNode(clip);
CopyProperties(clip, filter_grand_child);
UpdateActiveTreeDrawProperties();
EXPECT_TRUE(filter_grand_child->is_clipped());
EXPECT_EQ(gfx::Rect(10, 10), filter_grand_child->clip_rect());
FilterOperations blur_filter;
blur_filter.Append(FilterOperation::CreateBlurFilter(4.0f));
SetFilter(filter, blur_filter);
UpdateActiveTreeDrawProperties();
EXPECT_TRUE(filter_grand_child->is_clipped());
EXPECT_EQ(gfx::Rect(10, 10), filter_grand_child->clip_rect());
}
TEST_F(DrawPropertiesTest,
DrawableAndVisibleContentRectsForLayersInUnclippedRenderSurface) {
LayerImpl* root = root_layer();
LayerImpl* render_surface = AddLayer<LayerImpl>();
LayerImpl* child1 = AddLayer<LayerImpl>();
LayerImpl* child2 = AddLayer<LayerImpl>();
LayerImpl* child3 = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
render_surface->SetBounds(gfx::Size(3, 4));
child1->SetBounds(gfx::Size(50, 50));
child1->SetDrawsContent(true);
child2->SetBounds(gfx::Size(50, 50));
child2->SetDrawsContent(true);
child3->SetBounds(gfx::Size(50, 50));
child3->SetDrawsContent(true);
CopyProperties(root, render_surface);
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface, child1);
child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f));
CopyProperties(render_surface, child2);
child2->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f));
CopyProperties(render_surface, child3);
child3->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f));
UpdateActiveTreeDrawProperties();
ASSERT_TRUE(GetRenderSurface(render_surface));
EXPECT_EQ(gfx::RectF(100.f, 100.f),
GetRenderSurface(root)->DrawableContentRect());
// Layers that do not draw content should have empty visible content rects.
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), render_surface->visible_layer_rect());
// An unclipped surface grows its DrawableContentRect to include all drawable
// regions of the subtree.
EXPECT_EQ(gfx::RectF(5.f, 5.f, 170.f, 170.f),
GetRenderSurface(render_surface)->DrawableContentRect());
// All layers that draw content into the unclipped surface are also unclipped.
// Only the viewport clip should apply
EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 25, 25), child2->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), child3->visible_layer_rect());
EXPECT_EQ(gfx::Rect(5, 5, 50, 50), child1->drawable_content_rect());
EXPECT_EQ(gfx::Rect(75, 75, 50, 50), child2->drawable_content_rect());
EXPECT_EQ(gfx::Rect(125, 125, 50, 50), child3->drawable_content_rect());
}
TEST_F(DrawPropertiesTest, VisibleContentRectsForClippedSurfaceWithEmptyClip) {
LayerImpl* root = root_layer();
LayerImpl* child1 = AddLayer<LayerImpl>();
LayerImpl* child2 = AddLayer<LayerImpl>();
LayerImpl* child3 = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
child1->SetBounds(gfx::Size(50, 50));
child1->SetDrawsContent(true);
child2->SetBounds(gfx::Size(50, 50));
child2->SetDrawsContent(true);
child3->SetBounds(gfx::Size(50, 50));
child3->SetDrawsContent(true);
CopyProperties(root, child1);
child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f));
CopyProperties(root, child2);
child2->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f));
CopyProperties(root, child3);
child3->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f));
// Now set the root render surface an empty clip.
// Not using UpdateActiveTreeDrawProperties() because we want a special
// device viewport rect.
host_impl()->active_tree()->SetDeviceViewportRect(gfx::Rect());
UpdateDrawProperties(host_impl()->active_tree());
ASSERT_TRUE(GetRenderSurface(root));
EXPECT_FALSE(root->is_clipped());
gfx::Rect empty;
EXPECT_EQ(empty, GetRenderSurface(root)->clip_rect());
EXPECT_TRUE(GetRenderSurface(root)->is_clipped());
// Visible content rect calculation will check if the target surface is
// clipped or not. An empty clip rect does not indicate the render surface
// is unclipped.
EXPECT_EQ(empty, child1->visible_layer_rect());
EXPECT_EQ(empty, child2->visible_layer_rect());
EXPECT_EQ(empty, child3->visible_layer_rect());
}
TEST_F(DrawPropertiesTest,
DrawableAndVisibleContentRectsForLayersWithUninvertibleTransform) {
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
child->SetBounds(gfx::Size(50, 50));
child->SetDrawsContent(true);
// Case 1: a truly degenerate matrix
gfx::Transform uninvertible_matrix(0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
ASSERT_FALSE(uninvertible_matrix.IsInvertible());
CopyProperties(root, child);
CreateTransformNode(child).local = uninvertible_matrix;
UpdateActiveTreeDrawProperties();
EXPECT_TRUE(child->visible_layer_rect().IsEmpty());
EXPECT_TRUE(child->drawable_content_rect().IsEmpty());
// Case 2: a matrix with flattened z, uninvertible and not visible according
// to the CSS spec.
uninvertible_matrix.MakeIdentity();
uninvertible_matrix.matrix().set(2, 2, 0.0);
ASSERT_FALSE(uninvertible_matrix.IsInvertible());
SetTransform(child, uninvertible_matrix);
UpdateActiveTreeDrawProperties();
EXPECT_TRUE(child->visible_layer_rect().IsEmpty());
EXPECT_TRUE(child->drawable_content_rect().IsEmpty());
// Case 3: a matrix with flattened z, also uninvertible and not visible.
uninvertible_matrix.MakeIdentity();
uninvertible_matrix.Translate(500.0, 0.0);
uninvertible_matrix.matrix().set(2, 2, 0.0);
ASSERT_FALSE(uninvertible_matrix.IsInvertible());
SetTransform(child, uninvertible_matrix);
UpdateActiveTreeDrawProperties();
EXPECT_TRUE(child->visible_layer_rect().IsEmpty());
EXPECT_TRUE(child->drawable_content_rect().IsEmpty());
}
TEST_F(DrawPropertiesTest,
VisibleContentRectForLayerWithUninvertibleDrawTransform) {
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
gfx::Transform perspective;
perspective.ApplyPerspectiveDepth(SkDoubleToMScalar(1e-12));
gfx::Transform rotation;
rotation.RotateAboutYAxis(45.0);
root->SetBounds(gfx::Size(100, 100));
child->SetBounds(gfx::Size(100, 100));
child->SetDrawsContent(true);
grand_child->SetBounds(gfx::Size(100, 100));
grand_child->SetDrawsContent(true);
CopyProperties(root, child);
auto& child_transform_node = CreateTransformNode(child);
child_transform_node.flattens_inherited_transform = false;
child_transform_node.post_translation = gfx::Vector2dF(10.f, 10.f);
child_transform_node.sorting_context_id = 1;
child_transform_node.local = perspective;
CopyProperties(child, grand_child);
auto& grand_child_transform_node = CreateTransformNode(grand_child);
grand_child_transform_node.flattens_inherited_transform = false;
grand_child_transform_node.sorting_context_id = 1;
grand_child_transform_node.local = rotation;
UpdateActiveTreeDrawProperties();
// Though all layers have invertible transforms, matrix multiplication using
// floating-point math makes the draw transform uninvertible.
EXPECT_FALSE(GetTransformNode(grand_child)->ancestors_are_invertible);
// CalcDrawProps skips a subtree when a layer's screen space transform is
// uninvertible
EXPECT_EQ(gfx::Rect(), grand_child->visible_layer_rect());
}
// Needs layer tree mode: mask layer.
TEST_F(DrawPropertiesTestWithLayerTree, OcclusionBySiblingOfTarget) {
auto root = Layer::Create();
auto child = Layer::Create();
FakeContentLayerClient client;
auto surface = PictureLayer::Create(&client);
auto surface_child = PictureLayer::Create(&client);
auto surface_sibling = PictureLayer::Create(&client);
auto surface_child_mask = PictureLayer::Create(&client);
surface->SetIsDrawable(true);
surface_child->SetIsDrawable(true);
surface_sibling->SetIsDrawable(true);
surface_child_mask->SetIsDrawable(true);
surface->SetContentsOpaque(true);
surface_child->SetContentsOpaque(true);
surface_sibling->SetContentsOpaque(true);
surface_child_mask->SetContentsOpaque(true);
gfx::Transform translate;
translate.Translate(20.f, 20.f);
root->SetBounds(gfx::Size(1000, 1000));
child->SetBounds(gfx::Size(300, 300));
surface->SetTransform(translate);
surface->SetBounds(gfx::Size(300, 300));
surface->SetForceRenderSurfaceForTesting(true);
surface_child->SetBounds(gfx::Size(300, 300));
surface_child->SetForceRenderSurfaceForTesting(true);
surface_sibling->SetBounds(gfx::Size(200, 200));
surface_child_mask->SetBounds(gfx::Size(300, 300));
surface_child->SetMaskLayer(surface_child_mask);
surface->AddChild(surface_child);
child->AddChild(surface);
child->AddChild(surface_sibling);
root->AddChild(child);
host()->SetRootLayer(root);
CommitAndActivate();
EXPECT_TRANSFORMATION_MATRIX_EQ(
GetRenderSurfaceImpl(surface)->draw_transform(), translate);
// surface_sibling draws into the root render surface and occludes
// surface_child's contents.
Occlusion actual_occlusion =
GetRenderSurfaceImpl(surface_child)->occlusion_in_content_space();
Occlusion expected_occlusion(translate, SimpleEnclosedRegion(),
SimpleEnclosedRegion(gfx::Rect(200, 200)));
EXPECT_TRUE(expected_occlusion.IsEqual(actual_occlusion));
// Mask layer's occlusion is different because we create transform and render
// surface for it in layer tree mode.
actual_occlusion =
ImplOf(surface_child_mask)->draw_properties().occlusion_in_content_space;
expected_occlusion = Occlusion(
gfx::Transform(), SimpleEnclosedRegion(gfx::Rect(-20, -20, 200, 200)),
SimpleEnclosedRegion());
EXPECT_TRUE(expected_occlusion.IsEqual(actual_occlusion));
}
TEST_F(DrawPropertiesTest, OcclusionForLayerWithUninvertibleDrawTransform) {
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
LayerImpl* occluding_child = AddLayer<LayerImpl>();
gfx::Transform perspective;
perspective.ApplyPerspectiveDepth(SkDoubleToMScalar(1e-12));
gfx::Transform rotation;
rotation.RotateAboutYAxis(45.0);
root->SetBounds(gfx::Size(1000, 1000));
child->SetBounds(gfx::Size(300, 300));
grand_child->SetBounds(gfx::Size(200, 200));
occluding_child->SetBounds(gfx::Size(200, 200));
child->SetDrawsContent(true);
grand_child->SetDrawsContent(true);
occluding_child->SetDrawsContent(true);
occluding_child->SetContentsOpaque(true);
CopyProperties(root, child);
auto& child_transform_node = CreateTransformNode(child);
child_transform_node.flattens_inherited_transform = false;
child_transform_node.post_translation = gfx::Vector2dF(10.f, 10.f);
child_transform_node.sorting_context_id = 1;
child_transform_node.local = perspective;
CopyProperties(child, grand_child);
auto& grand_child_transform_node = CreateTransformNode(grand_child);
grand_child_transform_node.flattens_inherited_transform = false;
grand_child_transform_node.sorting_context_id = 1;
grand_child_transform_node.local = rotation;
CopyProperties(root, occluding_child);
CreateTransformNode(occluding_child).flattens_inherited_transform = false;
UpdateActiveTreeDrawProperties();
// Though all layers have invertible transforms, matrix multiplication using
// floating-point math makes the draw transform uninvertible.
EXPECT_FALSE(GetTransformNode(grand_child)->ancestors_are_invertible);
// Since |grand_child| has an uninvertible screen space transform, it is
// skipped so
// that we are not computing its occlusion_in_content_space.
gfx::Rect layer_bounds = gfx::Rect();
EXPECT_EQ(
layer_bounds,
grand_child->draw_properties()
.occlusion_in_content_space.GetUnoccludedContentRect(layer_bounds));
}
TEST_F(DrawPropertiesTest,
DrawableAndVisibleContentRectsForLayersInClippedRenderSurface) {
LayerImpl* root = root_layer();
LayerImpl* render_surface = AddLayer<LayerImpl>();
LayerImpl* child1 = AddLayer<LayerImpl>();
LayerImpl* child2 = AddLayer<LayerImpl>();
LayerImpl* child3 = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
root->SetMasksToBounds(true);
render_surface->SetBounds(gfx::Size(3, 4));
child1->SetBounds(gfx::Size(50, 50));
child1->SetDrawsContent(true);
child2->SetBounds(gfx::Size(50, 50));
child2->SetDrawsContent(true);
child3->SetBounds(gfx::Size(50, 50));
child3->SetDrawsContent(true);
CreateClipNode(root);
CopyProperties(root, render_surface);
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface, child1);
child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f));
CopyProperties(render_surface, child2);
child2->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f));
CopyProperties(render_surface, child3);
child3->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f));
UpdateActiveTreeDrawProperties();
ASSERT_TRUE(GetRenderSurface(render_surface));
EXPECT_EQ(gfx::RectF(100.f, 100.f),
GetRenderSurface(root)->DrawableContentRect());
// Layers that do not draw content should have empty visible content rects.
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), render_surface->visible_layer_rect());
// A clipped surface grows its DrawableContentRect to include all drawable
// regions of the subtree, but also gets clamped by the ancestor's clip.
EXPECT_EQ(gfx::RectF(5.f, 5.f, 95.f, 95.f),
GetRenderSurface(render_surface)->DrawableContentRect());
// All layers that draw content into the surface have their visible content
// rect clipped by the surface clip rect.
EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 25, 25), child2->visible_layer_rect());
EXPECT_TRUE(child3->visible_layer_rect().IsEmpty());
// But the DrawableContentRects are unclipped.
EXPECT_EQ(gfx::Rect(5, 5, 50, 50), child1->drawable_content_rect());
EXPECT_EQ(gfx::Rect(75, 75, 50, 50), child2->drawable_content_rect());
EXPECT_EQ(gfx::Rect(125, 125, 50, 50), child3->drawable_content_rect());
}
// Check that clipping does not propagate down surfaces.
TEST_F(DrawPropertiesTest, DrawableAndVisibleContentRectsForSurfaceHierarchy) {
LayerImpl* root = root_layer();
LayerImpl* render_surface1 = AddLayer<LayerImpl>();
LayerImpl* render_surface2 = AddLayer<LayerImpl>();
LayerImpl* child1 = AddLayer<LayerImpl>();
LayerImpl* child2 = AddLayer<LayerImpl>();
LayerImpl* child3 = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
root->SetMasksToBounds(true);
render_surface1->SetBounds(gfx::Size(3, 4));
render_surface2->SetBounds(gfx::Size(7, 13));
child1->SetBounds(gfx::Size(50, 50));
child1->SetDrawsContent(true);
child2->SetBounds(gfx::Size(50, 50));
child2->SetDrawsContent(true);
child3->SetBounds(gfx::Size(50, 50));
child3->SetDrawsContent(true);
CreateClipNode(root);
CopyProperties(root, render_surface1);
CreateEffectNode(render_surface1).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface1, render_surface2);
CreateEffectNode(render_surface2).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface2, child1);
child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f));
CopyProperties(render_surface2, child2);
child2->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f));
CopyProperties(render_surface2, child3);
child3->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f));
UpdateActiveTreeDrawProperties();
ASSERT_TRUE(GetRenderSurface(render_surface1));
ASSERT_TRUE(GetRenderSurface(render_surface2));
EXPECT_EQ(gfx::RectF(100.f, 100.f),
GetRenderSurface(root)->DrawableContentRect());
// Layers that do not draw content should have empty visible content rects.
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), render_surface1->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), render_surface2->visible_layer_rect());
// A clipped surface grows its DrawableContentRect to include all drawable
// regions of the subtree, but also gets clamped by the ancestor's clip.
EXPECT_EQ(gfx::RectF(5.f, 5.f, 95.f, 95.f),
GetRenderSurface(render_surface1)->DrawableContentRect());
// render_surface1 lives in the "unclipped universe" of render_surface1, and
// is only implicitly clipped by render_surface1's content rect. So,
// render_surface2 grows to enclose all drawable content of its subtree.
EXPECT_EQ(gfx::RectF(5.f, 5.f, 170.f, 170.f),
GetRenderSurface(render_surface2)->DrawableContentRect());
// All layers that draw content into render_surface2 think they are unclipped
// by the surface. So, only the viewport clip applies.
EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 25, 25), child2->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), child3->visible_layer_rect());
// DrawableContentRects are also unclipped.
EXPECT_EQ(gfx::Rect(5, 5, 50, 50), child1->drawable_content_rect());
EXPECT_EQ(gfx::Rect(75, 75, 50, 50), child2->drawable_content_rect());
EXPECT_EQ(gfx::Rect(125, 125, 50, 50), child3->drawable_content_rect());
}
TEST_F(DrawPropertiesTest,
VisibleRectsForClippedDescendantsOfUnclippedSurfaces) {
LayerImpl* root = root_layer();
LayerImpl* render_surface1 = AddLayer<LayerImpl>();
LayerImpl* child1 = AddLayer<LayerImpl>();
LayerImpl* child2 = AddLayer<LayerImpl>();
LayerImpl* render_surface2 = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
render_surface1->SetBounds(gfx::Size(100, 100));
child1->SetBounds(gfx::Size(500, 500));
child1->SetDrawsContent(true);
child2->SetBounds(gfx::Size(700, 700));
child2->SetDrawsContent(true);
render_surface2->SetBounds(gfx::Size(1000, 1000));
render_surface2->SetDrawsContent(true);
child1->SetMasksToBounds(true);
child2->SetMasksToBounds(true);
CopyProperties(root, render_surface1);
CreateEffectNode(render_surface1).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface1, child1);
CreateClipNode(child1);
CopyProperties(child1, child2);
CreateClipNode(child2);
CopyProperties(child2, render_surface2);
CreateEffectNode(render_surface2).render_surface_reason =
RenderSurfaceReason::kTest;
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(100, 100), child1->visible_layer_rect());
EXPECT_EQ(gfx::Rect(100, 100), render_surface2->visible_layer_rect());
}
TEST_F(DrawPropertiesTest,
VisibleRectsWhenClipChildIsBetweenTwoRenderSurfaces) {
LayerImpl* root = root_layer();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* render_surface1 = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
LayerImpl* render_surface2 = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
clip_parent->SetBounds(gfx::Size(50, 50));
CopyProperties(root, clip_parent);
CreateClipNode(clip_parent);
render_surface1->SetBounds(gfx::Size(20, 20));
render_surface1->SetDrawsContent(true);
CopyProperties(clip_parent, render_surface1);
CreateEffectNode(render_surface1).render_surface_reason =
RenderSurfaceReason::kTest;
CreateClipNode(render_surface1);
clip_child->SetBounds(gfx::Size(60, 60));
clip_child->SetDrawsContent(true);
CopyProperties(render_surface1, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
render_surface2->SetBounds(gfx::Size(60, 60));
render_surface2->SetDrawsContent(true);
CopyProperties(clip_child, render_surface2);
CreateEffectNode(render_surface2).render_surface_reason =
RenderSurfaceReason::kTest;
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(20, 20), render_surface1->visible_layer_rect());
EXPECT_EQ(gfx::Rect(50, 50), clip_child->visible_layer_rect());
EXPECT_EQ(gfx::Rect(50, 50), render_surface2->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, ClipRectOfSurfaceWhoseParentIsAClipChild) {
LayerImpl* root = root_layer();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* clip_layer = AddLayer<LayerImpl>();
LayerImpl* render_surface1 = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
LayerImpl* render_surface2 = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
clip_parent->SetBounds(gfx::Size(50, 50));
clip_parent->SetOffsetToTransformParent(gfx::Vector2dF(2, 2));
CopyProperties(root, clip_parent);
CreateClipNode(clip_parent);
clip_layer->SetBounds(gfx::Size(50, 50));
clip_layer->SetOffsetToTransformParent(gfx::Vector2dF(2, 2));
CopyProperties(clip_parent, clip_layer);
CreateClipNode(clip_layer);
render_surface1->SetBounds(gfx::Size(20, 20));
render_surface1->SetDrawsContent(true);
CopyProperties(clip_layer, render_surface1);
CreateTransformNode(render_surface1).post_translation = gfx::Vector2dF(2, 2);
CreateEffectNode(render_surface1).render_surface_reason =
RenderSurfaceReason::kTest;
CreateClipNode(render_surface1);
clip_child->SetBounds(gfx::Size(60, 60));
clip_child->SetDrawsContent(true);
CopyProperties(render_surface1, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
render_surface2->SetBounds(gfx::Size(60, 60));
render_surface2->SetDrawsContent(true);
CopyProperties(clip_child, render_surface2);
CreateTransformNode(render_surface2);
CreateEffectNode(render_surface2).render_surface_reason =
RenderSurfaceReason::kTest;
float device_scale_factor = 1.f;
UpdateActiveTreeDrawProperties(device_scale_factor);
EXPECT_EQ(gfx::Rect(50, 50), GetRenderSurface(render_surface2)->clip_rect());
device_scale_factor = 2.f;
UpdateActiveTreeDrawProperties(device_scale_factor);
EXPECT_EQ(gfx::Rect(100, 100),
GetRenderSurface(render_surface2)->clip_rect());
}
// Test that only drawn layers contribute to render surface content rect.
TEST_F(DrawPropertiesTest, RenderSurfaceContentRectWhenLayerNotDrawn) {
LayerImpl* root = root_layer();
LayerImpl* surface = AddLayer<LayerImpl>();
LayerImpl* test_layer = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(200, 200));
surface->SetBounds(gfx::Size(100, 100));
surface->SetDrawsContent(true);
test_layer->SetBounds(gfx::Size(150, 150));
CopyProperties(root, surface);
CreateEffectNode(surface).render_surface_reason = RenderSurfaceReason::kTest;
CopyProperties(surface, test_layer);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(100, 100), GetRenderSurface(surface)->content_rect());
test_layer->SetDrawsContent(true);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(150, 150), GetRenderSurface(surface)->content_rect());
}
// Tests visible rects computation when we have unclipped_surface->
// surface_with_unclipped_descendants->clipped_surface, checks that the bounds
// of surface_with_unclipped_descendants doesn't propagate to the
// clipped_surface below it.
TEST_F(DrawPropertiesTest, VisibleRectsMultipleSurfaces) {
LayerImpl* root = root_layer();
LayerImpl* unclipped_surface = AddLayer<LayerImpl>();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* unclipped_desc_surface = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
LayerImpl* clipped_surface = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
unclipped_surface->SetBounds(gfx::Size(30, 30));
unclipped_surface->SetDrawsContent(true);
clip_parent->SetBounds(gfx::Size(50, 50));
unclipped_desc_surface->SetBounds(gfx::Size(20, 20));
unclipped_desc_surface->SetDrawsContent(true);
clip_child->SetBounds(gfx::Size(60, 60));
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
clipped_surface->SetBounds(gfx::Size(60, 60));
clipped_surface->SetDrawsContent(true);
CopyProperties(root, unclipped_surface);
CreateEffectNode(unclipped_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(unclipped_surface, clip_parent);
CreateClipNode(clip_parent);
CopyProperties(clip_parent, unclipped_desc_surface);
CreateEffectNode(unclipped_desc_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(unclipped_desc_surface, clip_child);
CopyProperties(clip_child, clipped_surface);
CreateEffectNode(clipped_surface).render_surface_reason =
RenderSurfaceReason::kTest;
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(30, 30), unclipped_surface->visible_layer_rect());
EXPECT_EQ(gfx::Rect(20, 20), unclipped_desc_surface->visible_layer_rect());
EXPECT_EQ(gfx::Rect(50, 50), clipped_surface->visible_layer_rect());
}
// Tests visible rects computation when we have unclipped_surface->
// surface_with_unclipped_descendants->clipped_surface, checks that the bounds
// of root propagate to the clipped_surface.
TEST_F(DrawPropertiesTest, RootClipPropagationToClippedSurface) {
LayerImpl* root = root_layer();
LayerImpl* unclipped_surface = AddLayer<LayerImpl>();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* unclipped_desc_surface = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
LayerImpl* clipped_surface = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(10, 10));
unclipped_surface->SetBounds(gfx::Size(50, 50));
unclipped_surface->SetDrawsContent(true);
clip_parent->SetBounds(gfx::Size(50, 50));
unclipped_desc_surface->SetBounds(gfx::Size(100, 100));
unclipped_desc_surface->SetDrawsContent(true);
clip_child->SetBounds(gfx::Size(100, 100));
clipped_surface->SetBounds(gfx::Size(50, 50));
clipped_surface->SetDrawsContent(true);
CopyProperties(root, unclipped_surface);
CreateEffectNode(unclipped_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(unclipped_surface, clip_parent);
CreateClipNode(clip_parent);
CopyProperties(clip_parent, unclipped_desc_surface);
CreateEffectNode(unclipped_desc_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CreateClipNode(unclipped_desc_surface);
CopyProperties(unclipped_desc_surface, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
CopyProperties(clip_child, clipped_surface);
CreateEffectNode(clipped_surface).render_surface_reason =
RenderSurfaceReason::kTest;
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(10, 10), unclipped_surface->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10), unclipped_desc_surface->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10), clipped_surface->visible_layer_rect());
}
// Layers that have non-axis aligned bounds (due to transforms) have an
// expanded, axis-aligned DrawableContentRect and visible content rect.
TEST_F(DrawPropertiesTest,
DrawableAndVisibleContentRectsWithTransformOnUnclippedSurface) {
LayerImpl* root = root_layer();
LayerImpl* render_surface = AddLayer<LayerImpl>();
LayerImpl* child1 = AddLayer<LayerImpl>();
gfx::Transform child_rotation;
child_rotation.Rotate(45.0);
root->SetBounds(gfx::Size(100, 100));
render_surface->SetBounds(gfx::Size(3, 4));
child1->SetBounds(gfx::Size(50, 50));
child1->SetDrawsContent(true);
CopyProperties(root, render_surface);
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface, child1);
auto& child1_transform_node = CreateTransformNode(child1);
child1_transform_node.origin = gfx::Point3F(25.f, 25.f, 0.f);
child1_transform_node.post_translation = gfx::Vector2dF(25.f, 25.f);
child1_transform_node.local = child_rotation;
UpdateActiveTreeDrawProperties();
ASSERT_TRUE(GetRenderSurface(render_surface));
EXPECT_EQ(gfx::RectF(100.f, 100.f),
GetRenderSurface(root)->DrawableContentRect());
// Layers that do not draw content should have empty visible content rects.
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), render_surface->visible_layer_rect());
// The unclipped surface grows its DrawableContentRect to include all drawable
// regions of the subtree.
int diagonal_radius = ceil(sqrt(2.0) * 25.0);
gfx::Rect expected_surface_drawable_content =
gfx::Rect(50 - diagonal_radius, 50 - diagonal_radius, diagonal_radius * 2,
diagonal_radius * 2);
EXPECT_EQ(gfx::RectF(expected_surface_drawable_content),
GetRenderSurface(render_surface)->DrawableContentRect());
// All layers that draw content into the unclipped surface are also unclipped.
EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1->visible_layer_rect());
EXPECT_EQ(expected_surface_drawable_content, child1->drawable_content_rect());
}
// Layers that have non-axis aligned bounds (due to transforms) have an
// expanded, axis-aligned DrawableContentRect and visible content rect.
TEST_F(DrawPropertiesTest,
DrawableAndVisibleContentRectsWithTransformOnClippedSurface) {
LayerImpl* root = root_layer();
LayerImpl* render_surface = AddLayer<LayerImpl>();
LayerImpl* child1 = AddLayer<LayerImpl>();
gfx::Transform child_rotation;
child_rotation.Rotate(45.0);
root->SetBounds(gfx::Size(50, 50));
root->SetMasksToBounds(true);
render_surface->SetBounds(gfx::Size(3, 4));
child1->SetBounds(gfx::Size(50, 50));
child1->SetDrawsContent(true);
CreateClipNode(root);
CopyProperties(root, render_surface);
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface, child1);
auto& child1_transform_node = CreateTransformNode(child1);
child1_transform_node.origin = gfx::Point3F(25.f, 25.f, 0.f);
child1_transform_node.post_translation = gfx::Vector2dF(25.f, 25.f);
child1_transform_node.local = child_rotation;
UpdateActiveTreeDrawProperties();
ASSERT_TRUE(GetRenderSurface(render_surface));
// The clipped surface clamps the DrawableContentRect that encloses the
// rotated layer.
int diagonal_radius = ceil(sqrt(2.0) * 25.0);
gfx::Rect unclipped_surface_content =
gfx::Rect(50 - diagonal_radius, 50 - diagonal_radius, diagonal_radius * 2,
diagonal_radius * 2);
gfx::RectF expected_surface_drawable_content(
gfx::IntersectRects(unclipped_surface_content, gfx::Rect(50, 50)));
EXPECT_EQ(expected_surface_drawable_content,
GetRenderSurface(render_surface)->DrawableContentRect());
// On the clipped surface, only a quarter of the child1 is visible, but when
// rotating it back to child1's content space, the actual enclosing rect ends
// up covering the full left half of child1.
EXPECT_EQ(gfx::Rect(0, 0, 25, 50), child1->visible_layer_rect());
// The child's DrawableContentRect is unclipped.
EXPECT_EQ(unclipped_surface_content, child1->drawable_content_rect());
}
TEST_F(DrawPropertiesTest, DrawableAndVisibleContentRectsInHighDPI) {
LayerImpl* root = root_layer();
FakePictureLayerImpl* render_surface1 = AddLayer<FakePictureLayerImpl>();
FakePictureLayerImpl* render_surface2 = AddLayer<FakePictureLayerImpl>();
FakePictureLayerImpl* child1 = AddLayer<FakePictureLayerImpl>();
FakePictureLayerImpl* child2 = AddLayer<FakePictureLayerImpl>();
FakePictureLayerImpl* child3 = AddLayer<FakePictureLayerImpl>();
root->SetBounds(gfx::Size(100, 100));
root->SetMasksToBounds(true);
render_surface1->SetBounds(gfx::Size(3, 4));
render_surface1->SetDrawsContent(true);
render_surface2->SetBounds(gfx::Size(7, 13));
render_surface2->SetDrawsContent(true);
child1->SetBounds(gfx::Size(50, 50));
child1->SetDrawsContent(true);
child2->SetBounds(gfx::Size(50, 50));
child2->SetDrawsContent(true);
child3->SetBounds(gfx::Size(50, 50));
child3->SetDrawsContent(true);
CreateClipNode(root);
CopyProperties(root, render_surface1);
CreateTransformNode(render_surface1).post_translation =
gfx::Vector2dF(5.f, 5.f);
CreateEffectNode(render_surface1).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface1, render_surface2);
CreateTransformNode(render_surface2).post_translation =
gfx::Vector2dF(5.f, 5.f);
CreateEffectNode(render_surface2).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface2, child1);
child1->SetOffsetToTransformParent(gfx::Vector2dF(5.f, 5.f));
CopyProperties(render_surface2, child2);
child2->SetOffsetToTransformParent(gfx::Vector2dF(75.f, 75.f));
CopyProperties(render_surface2, child3);
child3->SetOffsetToTransformParent(gfx::Vector2dF(125.f, 125.f));
float device_scale_factor = 2.f;
UpdateActiveTreeDrawProperties(device_scale_factor);
ASSERT_TRUE(GetRenderSurface(render_surface1));
ASSERT_TRUE(GetRenderSurface(render_surface2));
// drawable_content_rects for all layers and surfaces are scaled by
// device_scale_factor.
EXPECT_EQ(gfx::RectF(200.f, 200.f),
GetRenderSurface(root)->DrawableContentRect());
EXPECT_EQ(gfx::RectF(10.f, 10.f, 190.f, 190.f),
GetRenderSurface(render_surface1)->DrawableContentRect());
// render_surface2 lives in the "unclipped universe" of render_surface1, and
// is only implicitly clipped by render_surface1.
EXPECT_EQ(gfx::RectF(10.f, 10.f, 350.f, 350.f),
GetRenderSurface(render_surface2)->DrawableContentRect());
EXPECT_EQ(gfx::Rect(10, 10, 100, 100), child1->drawable_content_rect());
EXPECT_EQ(gfx::Rect(150, 150, 100, 100), child2->drawable_content_rect());
EXPECT_EQ(gfx::Rect(250, 250, 100, 100), child3->drawable_content_rect());
// The root layer does not actually draw content of its own.
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), root->visible_layer_rect());
// All layer visible content rects are not expressed in content space of each
// layer, so they are not scaled by the device_scale_factor.
EXPECT_EQ(gfx::Rect(0, 0, 3, 4), render_surface1->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 7, 13), render_surface2->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 50, 50), child1->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 15, 15), child2->visible_layer_rect());
EXPECT_EQ(gfx::Rect(0, 0, 0, 0), child3->visible_layer_rect());
}
using DrawPropertiesScalingTest = DrawPropertiesTest;
// Verify draw and screen space transforms of layers not in a surface.
TEST_F(DrawPropertiesScalingTest, LayerTransformsInHighDPI) {
LayerImpl* root = root_layer();
root->SetBounds(gfx::Size(100, 100));
root->SetDrawsContent(true);
LayerImpl* child = AddLayer<LayerImpl>();
child->SetBounds(gfx::Size(10, 10));
child->SetDrawsContent(true);
LayerImpl* child2 = AddLayer<LayerImpl>();
child2->SetBounds(gfx::Size(5, 5));
child2->SetDrawsContent(true);
float device_scale_factor = 2.5f;
CopyProperties(root, child);
child->SetOffsetToTransformParent(gfx::Vector2dF(2.f, 2.f));
CopyProperties(root, child2);
child2->SetOffsetToTransformParent(gfx::Vector2dF(2.f, 2.f));
UpdateActiveTreeDrawProperties(device_scale_factor);
EXPECT_FLOAT_EQ(device_scale_factor, root->GetIdealContentsScale());
EXPECT_FLOAT_EQ(device_scale_factor, child->GetIdealContentsScale());
EXPECT_FLOAT_EQ(device_scale_factor, child2->GetIdealContentsScale());
EXPECT_EQ(1u, GetRenderSurfaceList().size());
// Verify root transforms
gfx::Transform expected_root_transform;
expected_root_transform.Scale(device_scale_factor, device_scale_factor);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_root_transform,
root->ScreenSpaceTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_root_transform,
root->DrawTransform());
// Verify results of transformed root rects
gfx::RectF root_bounds(gfx::SizeF(root->bounds()));
gfx::RectF root_draw_rect =
MathUtil::MapClippedRect(root->DrawTransform(), root_bounds);
gfx::RectF root_screen_space_rect =
MathUtil::MapClippedRect(root->ScreenSpaceTransform(), root_bounds);
gfx::RectF expected_root_draw_rect(gfx::SizeF(root->bounds()));
expected_root_draw_rect.Scale(device_scale_factor);
EXPECT_FLOAT_RECT_EQ(expected_root_draw_rect, root_draw_rect);
EXPECT_FLOAT_RECT_EQ(expected_root_draw_rect, root_screen_space_rect);
// Verify child and child2 transforms. They should match.
gfx::Transform expected_child_transform;
expected_child_transform.Scale(device_scale_factor, device_scale_factor);
expected_child_transform.Translate(child->offset_to_transform_parent());
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_child_transform,
child->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_child_transform,
child->ScreenSpaceTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_child_transform,
child2->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_child_transform,
child2->ScreenSpaceTransform());
// Verify results of transformed child and child2 rects. They should
// match.
gfx::RectF child_bounds(gfx::SizeF(child->bounds()));
gfx::RectF child_draw_rect =
MathUtil::MapClippedRect(child->DrawTransform(), child_bounds);
gfx::RectF child_screen_space_rect =
MathUtil::MapClippedRect(child->ScreenSpaceTransform(), child_bounds);
gfx::RectF child2_draw_rect =
MathUtil::MapClippedRect(child2->DrawTransform(), child_bounds);
gfx::RectF child2_screen_space_rect =
MathUtil::MapClippedRect(child2->ScreenSpaceTransform(), child_bounds);
gfx::RectF expected_child_draw_rect(
gfx::PointAtOffsetFromOrigin(child->offset_to_transform_parent()),
gfx::SizeF(child->bounds()));
expected_child_draw_rect.Scale(device_scale_factor);
EXPECT_FLOAT_RECT_EQ(expected_child_draw_rect, child_draw_rect);
EXPECT_FLOAT_RECT_EQ(expected_child_draw_rect, child_screen_space_rect);
EXPECT_FLOAT_RECT_EQ(expected_child_draw_rect, child2_draw_rect);
EXPECT_FLOAT_RECT_EQ(expected_child_draw_rect, child2_screen_space_rect);
}
// Verify draw and screen space transforms of layers in a surface.
TEST_F(DrawPropertiesScalingTest, SurfaceLayerTransformsInHighDPI) {
gfx::Transform perspective_matrix;
perspective_matrix.ApplyPerspectiveDepth(2.0);
gfx::Vector2dF perspective_surface_offset(2.f, 2.f);
gfx::Transform scale_small_matrix;
scale_small_matrix.Scale(SK_MScalar1 / 10.f, SK_MScalar1 / 12.f);
LayerImpl* root = root_layer();
root->SetBounds(gfx::Size(100, 100));
SetupViewport(root, gfx::Size(100, 100), gfx::Size(100, 100));
LayerImpl* parent = AddLayer<LayerImpl>();
parent->SetBounds(gfx::Size(100, 100));
parent->SetDrawsContent(true);
LayerImpl* perspective_surface = AddLayer<LayerImpl>();
perspective_surface->SetBounds(gfx::Size(10, 10));
perspective_surface->SetDrawsContent(true);
LayerImpl* scale_surface = AddLayer<LayerImpl>();
scale_surface->SetBounds(gfx::Size(10, 10));
scale_surface->SetDrawsContent(true);
CopyProperties(OuterViewportScrollLayer(), parent);
CopyProperties(parent, perspective_surface);
auto& perspective_surface_transform =
CreateTransformNode(perspective_surface);
perspective_surface_transform.local = perspective_matrix * scale_small_matrix;
perspective_surface_transform.post_translation = perspective_surface_offset;
CreateEffectNode(perspective_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(parent, scale_surface);
auto& scale_surface_transform = CreateTransformNode(scale_surface);
scale_surface_transform.local = scale_small_matrix;
scale_surface_transform.post_translation = gfx::Vector2dF(2.f, 2.f);
CreateEffectNode(scale_surface).render_surface_reason =
RenderSurfaceReason::kTest;
float device_scale_factor = 2.5f;
float page_scale_factor = 3.f;
host_impl()->active_tree()->SetPageScaleOnActiveTree(page_scale_factor);
UpdateActiveTreeDrawProperties(device_scale_factor);
EXPECT_FLOAT_EQ(device_scale_factor * page_scale_factor,
parent->GetIdealContentsScale());
EXPECT_FLOAT_EQ(device_scale_factor * page_scale_factor,
perspective_surface->GetIdealContentsScale());
// Ideal scale is the max 2d scale component of the combined transform up to
// the nearest render target. Here this includes the layer transform as well
// as the device and page scale factors.
gfx::Transform transform = scale_small_matrix;
transform.Scale(device_scale_factor * page_scale_factor,
device_scale_factor * page_scale_factor);
gfx::Vector2dF scales =
MathUtil::ComputeTransform2dScaleComponents(transform, 0.f);
float max_2d_scale = std::max(scales.x(), scales.y());
EXPECT_FLOAT_EQ(max_2d_scale, scale_surface->GetIdealContentsScale());
// The ideal scale will draw 1:1 with its render target space along
// the larger-scale axis.
gfx::Vector2dF target_space_transform_scales =
MathUtil::ComputeTransform2dScaleComponents(
scale_surface->draw_properties().target_space_transform, 0.f);
EXPECT_FLOAT_EQ(max_2d_scale, std::max(target_space_transform_scales.x(),
target_space_transform_scales.y()));
EXPECT_EQ(3u, GetRenderSurfaceList().size());
gfx::Transform expected_parent_draw_transform;
expected_parent_draw_transform.Scale(device_scale_factor * page_scale_factor,
device_scale_factor * page_scale_factor);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_parent_draw_transform,
parent->DrawTransform());
// The scale for the perspective surface is not known, so it is rendered 1:1
// with the screen, and then scaled during drawing.
gfx::Transform expected_perspective_surface_draw_transform;
expected_perspective_surface_draw_transform.Translate(
device_scale_factor * page_scale_factor * perspective_surface_offset.x(),
device_scale_factor * page_scale_factor * perspective_surface_offset.y());
expected_perspective_surface_draw_transform.PreconcatTransform(
perspective_matrix);
expected_perspective_surface_draw_transform.PreconcatTransform(
scale_small_matrix);
gfx::Transform expected_perspective_surface_layer_draw_transform;
expected_perspective_surface_layer_draw_transform.Scale(
device_scale_factor * page_scale_factor,
device_scale_factor * page_scale_factor);
EXPECT_TRANSFORMATION_MATRIX_EQ(
expected_perspective_surface_draw_transform,
GetRenderSurface(perspective_surface)->draw_transform());
EXPECT_TRANSFORMATION_MATRIX_EQ(
expected_perspective_surface_layer_draw_transform,
perspective_surface->DrawTransform());
}
TEST_F(DrawPropertiesScalingTest, SmallIdealScale) {
gfx::Transform parent_scale_matrix;
SkMScalar initial_parent_scale = 1.75;
parent_scale_matrix.Scale(initial_parent_scale, initial_parent_scale);
gfx::Transform child_scale_matrix;
SkMScalar initial_child_scale = 0.25;
child_scale_matrix.Scale(initial_child_scale, initial_child_scale);
LayerImpl* root = root_layer();
root->SetBounds(gfx::Size(100, 100));
LayerImpl* page_scale = AddLayer<LayerImpl>();
page_scale->SetBounds(gfx::Size(100, 100));
LayerImpl* parent = AddLayer<LayerImpl>();
parent->SetBounds(gfx::Size(100, 100));
parent->SetDrawsContent(true);
LayerImpl* child_scale = AddLayer<LayerImpl>();
child_scale->SetBounds(gfx::Size(10, 10));
child_scale->SetDrawsContent(true);
float device_scale_factor = 2.5f;
float page_scale_factor = 0.01f;
CopyProperties(root, page_scale);
CreateTransformNode(page_scale).in_subtree_of_page_scale_layer = true;
CopyProperties(page_scale, parent);
CreateTransformNode(parent).local = parent_scale_matrix;
CopyProperties(parent, child_scale);
CreateTransformNode(child_scale).local = child_scale_matrix;
LayerTreeImpl::ViewportPropertyIds viewport_property_ids;
viewport_property_ids.page_scale_transform =
page_scale->transform_tree_index();
host_impl()->active_tree()->SetViewportPropertyIds(viewport_property_ids);
host_impl()->active_tree()->SetPageScaleOnActiveTree(page_scale_factor);
UpdateActiveTreeDrawProperties(device_scale_factor);
// The ideal scale is able to go below 1.
float expected_ideal_scale =
device_scale_factor * page_scale_factor * initial_parent_scale;
EXPECT_LT(expected_ideal_scale, 1.f);
EXPECT_FLOAT_EQ(expected_ideal_scale, parent->GetIdealContentsScale());
expected_ideal_scale = device_scale_factor * page_scale_factor *
initial_parent_scale * initial_child_scale;
EXPECT_LT(expected_ideal_scale, 1.f);
EXPECT_FLOAT_EQ(expected_ideal_scale, child_scale->GetIdealContentsScale());
}
TEST_F(DrawPropertiesScalingTest, IdealScaleForAnimatingLayer) {
gfx::Transform parent_scale_matrix;
SkMScalar initial_parent_scale = 1.75;
parent_scale_matrix.Scale(initial_parent_scale, initial_parent_scale);
gfx::Transform child_scale_matrix;
SkMScalar initial_child_scale = 1.25;
child_scale_matrix.Scale(initial_child_scale, initial_child_scale);
LayerImpl* root = root_layer();
root->SetBounds(gfx::Size(100, 100));
LayerImpl* parent = AddLayer<LayerImpl>();
parent->SetBounds(gfx::Size(100, 100));
parent->SetDrawsContent(true);
LayerImpl* child_scale = AddLayer<LayerImpl>();
child_scale->SetBounds(gfx::Size(10, 10));
child_scale->SetDrawsContent(true);
CopyProperties(root, parent);
CreateTransformNode(parent).local = parent_scale_matrix;
CopyProperties(parent, child_scale);
CreateTransformNode(child_scale).local = child_scale_matrix;
UpdateActiveTreeDrawProperties();
EXPECT_FLOAT_EQ(initial_parent_scale, parent->GetIdealContentsScale());
// Animating layers compute ideal scale in the same way as when
// they are static.
EXPECT_FLOAT_EQ(initial_child_scale * initial_parent_scale,
child_scale->GetIdealContentsScale());
}
TEST_F(DrawPropertiesTest, RenderSurfaceTransformsInHighDPI) {
LayerImpl* parent = root_layer();
parent->SetBounds(gfx::Size(30, 30));
parent->SetDrawsContent(true);
LayerImpl* child = AddLayer<LayerImpl>();
child->SetBounds(gfx::Size(10, 10));
child->SetDrawsContent(true);
// This layer should end up in the same surface as child, with the same draw
// and screen space transforms.
LayerImpl* duplicate_child_non_owner = AddLayer<LayerImpl>();
duplicate_child_non_owner->SetBounds(gfx::Size(10, 10));
duplicate_child_non_owner->SetDrawsContent(true);
float device_scale_factor = 1.5f;
gfx::Vector2dF child_offset(2.f, 2.f);
CopyProperties(parent, child);
CreateTransformNode(child).post_translation = child_offset;
CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest;
CopyProperties(child, duplicate_child_non_owner);
duplicate_child_non_owner->SetOffsetToTransformParent(
child->offset_to_transform_parent());
UpdateActiveTreeDrawProperties(device_scale_factor);
// We should have two render surfaces. The root's render surface and child's
// render surface (it needs one because of force_render_surface).
EXPECT_EQ(2u, GetRenderSurfaceList().size());
gfx::Transform expected_parent_transform;
expected_parent_transform.Scale(device_scale_factor, device_scale_factor);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_parent_transform,
parent->ScreenSpaceTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_parent_transform,
parent->DrawTransform());
gfx::Transform expected_draw_transform;
expected_draw_transform.Scale(device_scale_factor, device_scale_factor);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_draw_transform,
child->DrawTransform());
gfx::Transform expected_screen_space_transform;
expected_screen_space_transform.Scale(device_scale_factor,
device_scale_factor);
expected_screen_space_transform.Translate(child_offset);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_screen_space_transform,
child->ScreenSpaceTransform());
gfx::Transform expected_duplicate_child_draw_transform =
child->DrawTransform();
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_duplicate_child_draw_transform,
duplicate_child_non_owner->DrawTransform());
EXPECT_TRANSFORMATION_MATRIX_EQ(
child->ScreenSpaceTransform(),
duplicate_child_non_owner->ScreenSpaceTransform());
EXPECT_EQ(child->drawable_content_rect(),
duplicate_child_non_owner->drawable_content_rect());
EXPECT_EQ(child->bounds(), duplicate_child_non_owner->bounds());
gfx::Transform expected_render_surface_draw_transform;
expected_render_surface_draw_transform.Translate(
device_scale_factor * child_offset.x(),
device_scale_factor * child_offset.y());
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_render_surface_draw_transform,
GetRenderSurface(child)->draw_transform());
gfx::Transform expected_surface_draw_transform;
expected_surface_draw_transform.Translate(device_scale_factor * 2.f,
device_scale_factor * 2.f);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_surface_draw_transform,
GetRenderSurface(child)->draw_transform());
gfx::Transform expected_surface_screen_space_transform;
expected_surface_screen_space_transform.Translate(device_scale_factor * 2.f,
device_scale_factor * 2.f);
EXPECT_TRANSFORMATION_MATRIX_EQ(
expected_surface_screen_space_transform,
GetRenderSurface(child)->screen_space_transform());
}
TEST_F(DrawPropertiesTest,
RenderSurfaceTransformsInHighDPIAccurateScaleZeroPosition) {
LayerImpl* parent = root_layer();
parent->SetBounds(gfx::Size(33, 31));
parent->SetDrawsContent(true);
LayerImpl* child = AddLayer<LayerImpl>();
child->SetBounds(gfx::Size(13, 11));
child->SetDrawsContent(true);
float device_scale_factor = 1.7f;
CopyProperties(parent, child);
CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest;
UpdateActiveTreeDrawProperties(device_scale_factor);
// We should have two render surfaces. The root's render surface and child's
// render surface (it needs one because of force_render_surface).
EXPECT_EQ(2u, GetRenderSurfaceList().size());
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(),
GetRenderSurface(child)->draw_transform());
EXPECT_TRANSFORMATION_MATRIX_EQ(gfx::Transform(),
GetRenderSurface(child)->draw_transform());
EXPECT_TRANSFORMATION_MATRIX_EQ(
gfx::Transform(), GetRenderSurface(child)->screen_space_transform());
}
// Needs layer tree mode: mask layer. Not using impl-side PropertyTreeBuilder.
TEST_F(DrawPropertiesTestWithLayerTree, LayerSearch) {
scoped_refptr<Layer> root = Layer::Create();
scoped_refptr<Layer> child = Layer::Create();
scoped_refptr<Layer> grand_child = Layer::Create();
FakeContentLayerClient client;
scoped_refptr<PictureLayer> mask_layer = PictureLayer::Create(&client);
child->AddChild(grand_child.get());
child->SetMaskLayer(mask_layer);
root->AddChild(child.get());
host()->SetRootLayer(root);
int nonexistent_id = -1;
EXPECT_EQ(root.get(), host()->LayerById(root->id()));
EXPECT_EQ(child.get(), host()->LayerById(child->id()));
EXPECT_EQ(grand_child.get(), host()->LayerById(grand_child->id()));
EXPECT_EQ(mask_layer.get(), host()->LayerById(mask_layer->id()));
EXPECT_FALSE(host()->LayerById(nonexistent_id));
}
TEST_F(DrawPropertiesTest, TransparentChildRenderSurfaceCreation) {
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
child->SetBounds(gfx::Size(10, 10));
grand_child->SetBounds(gfx::Size(10, 10));
grand_child->SetDrawsContent(true);
CopyProperties(root, child);
CreateEffectNode(child).opacity = 0.5f;
CopyProperties(child, grand_child);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(GetRenderSurface(child), GetRenderSurface(root));
}
TEST_F(DrawPropertiesTest, OpacityAnimatingOnPendingTree) {
host_impl()->CreatePendingTree();
LayerImpl* root = EnsureRootLayerInPendingTree();
root->SetBounds(gfx::Size(100, 100));
root->SetDrawsContent(true);
auto* child = AddLayerInPendingTree<LayerImpl>();
child->SetBounds(gfx::Size(50, 50));
child->SetDrawsContent(true);
host_impl()->pending_tree()->SetElementIdsForTesting();
CopyProperties(root, child);
CreateEffectNode(child).opacity = 0.0f;
// Add opacity animation.
AddOpacityTransitionToElementWithAnimation(
child->element_id(), timeline_impl(), 10.0, 0.0f, 1.0f, false);
UpdatePendingTreeDrawProperties();
// We should have one render surface and two layers. The child
// layer should be included even though it is transparent.
ASSERT_EQ(1u, host_impl()->pending_tree()->GetRenderSurfaceList().size());
ASSERT_EQ(2, GetRenderSurface(root)->num_contributors());
// If the root itself is hidden, the child should not be drawn even if it has
// an animating opacity.
SetOpacity(root, 0.0f);
UpdatePendingTreeDrawProperties();
EXPECT_FALSE(GetEffectNode(child)->is_drawn);
// A layer should be drawn and it should contribute to drawn surface when
// it has animating opacity even if it has opacity 0.
SetOpacity(root, 1.0f);
SetOpacity(child, 0.0f);
UpdatePendingTreeDrawProperties();
EXPECT_TRUE(GetEffectNode(child)->is_drawn);
EXPECT_TRUE(GetPropertyTrees(root)->effect_tree.ContributesToDrawnSurface(
child->effect_tree_index()));
// But if the opacity of the layer remains 0 after activation, it should not
// be drawn.
host_impl()->ActivateSyncTree();
LayerTreeImpl* active_tree = host_impl()->active_tree();
LayerImpl* active_child = active_tree->LayerById(child->id());
EffectTree& active_effect_tree = active_tree->property_trees()->effect_tree;
EXPECT_TRUE(active_effect_tree.needs_update());
UpdateActiveTreeDrawProperties();
EXPECT_FALSE(GetEffectNode(active_child)->is_drawn);
EXPECT_FALSE(active_effect_tree.ContributesToDrawnSurface(
active_child->effect_tree_index()));
}
using LCDTextTestParam = std::tuple<bool, bool>;
class LCDTextTest : public DrawPropertiesTestBase,
public testing::TestWithParam<LCDTextTestParam> {
public:
LCDTextTest() : DrawPropertiesTestBase(LCDTextTestLayerTreeSettings()) {}
protected:
LayerTreeSettings LCDTextTestLayerTreeSettings() {
LayerListSettings settings;
can_use_lcd_text_ = std::get<0>(GetParam());
layers_always_allowed_lcd_text_ = std::get<1>(GetParam());
settings.can_use_lcd_text = can_use_lcd_text_;
settings.layers_always_allowed_lcd_text = layers_always_allowed_lcd_text_;
return settings;
}
void SetUp() override {
root_ = root_layer();
child_ = AddLayer<LayerImpl>();
grand_child_ = AddLayer<LayerImpl>();
SetElementIdsForTesting();
root_->SetContentsOpaque(true);
child_->SetContentsOpaque(true);
grand_child_->SetContentsOpaque(true);
root_->SetDrawsContent(true);
child_->SetDrawsContent(true);
grand_child_->SetDrawsContent(true);
root_->SetBounds(gfx::Size(1, 1));
child_->SetBounds(gfx::Size(1, 1));
grand_child_->SetBounds(gfx::Size(1, 1));
CopyProperties(root_, child_);
CreateTransformNode(child_);
CreateEffectNode(child_).render_surface_reason = RenderSurfaceReason::kTest;
CopyProperties(child_, grand_child_);
}
bool can_use_lcd_text_;
bool layers_always_allowed_lcd_text_;
LayerImpl* root_ = nullptr;
LayerImpl* child_ = nullptr;
LayerImpl* grand_child_ = nullptr;
};
TEST_P(LCDTextTest, CanUseLCDText) {
bool expect_lcd_text = can_use_lcd_text_ || layers_always_allowed_lcd_text_;
bool expect_not_lcd_text = layers_always_allowed_lcd_text_;
// Case 1: Identity transform.
UpdateActiveTreeDrawProperties();
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, grand_child_->CanUseLCDText());
// Case 2: Integral translation.
gfx::Transform integral_translation;
integral_translation.Translate(1.0, 2.0);
SetTransform(child_, integral_translation);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, grand_child_->CanUseLCDText());
// Case 3: Non-integral translation.
gfx::Transform non_integral_translation;
non_integral_translation.Translate(1.5, 2.5);
SetTransform(child_, non_integral_translation);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, grand_child_->CanUseLCDText());
// Case 4: Rotation.
gfx::Transform rotation;
rotation.Rotate(10.0);
SetTransform(child_, rotation);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, grand_child_->CanUseLCDText());
// Case 5: Scale.
gfx::Transform scale;
scale.Scale(2.0, 2.0);
SetTransform(child_, scale);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, grand_child_->CanUseLCDText());
// Case 6: Skew.
gfx::Transform skew;
skew.Skew(10.0, 0.0);
SetTransform(child_, skew);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, grand_child_->CanUseLCDText());
// Case 7: Translucent.
SetTransform(child_, gfx::Transform());
SetOpacity(child_, 0.5f);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, grand_child_->CanUseLCDText());
// Case 8: Sanity check: restore transform and opacity.
SetTransform(child_, gfx::Transform());
SetOpacity(child_, 1.f);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, grand_child_->CanUseLCDText());
// Case 9: Non-opaque content.
child_->SetContentsOpaque(false);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, grand_child_->CanUseLCDText());
// Case 10: Sanity check: restore content opaqueness.
child_->SetContentsOpaque(true);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, grand_child_->CanUseLCDText());
// Case 11: will-change: transform
child_->SetHasWillChangeTransformHint(true);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, grand_child_->CanUseLCDText());
}
TEST_P(LCDTextTest, CanUseLCDTextWithAnimation) {
bool expect_lcd_text = can_use_lcd_text_ || layers_always_allowed_lcd_text_;
bool expect_not_lcd_text = layers_always_allowed_lcd_text_;
// Sanity check: Make sure can_use_lcd_text_ is set on each node.
UpdateActiveTreeDrawProperties();
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, grand_child_->CanUseLCDText());
// Add opacity animation.
SetOpacity(child_, 0.9f);
AddOpacityTransitionToElementWithAnimation(child_->element_id(), timeline(),
10.0, 0.9f, 0.1f, false);
UpdateActiveTreeDrawProperties();
// Text LCD should be adjusted while animation is active.
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, grand_child_->CanUseLCDText());
}
TEST_P(LCDTextTest, CanUseLCDTextWithAnimationContentsOpaque) {
bool expect_lcd_text = can_use_lcd_text_ || layers_always_allowed_lcd_text_;
bool expect_not_lcd_text = layers_always_allowed_lcd_text_;
// Sanity check: Make sure can_use_lcd_text_ is set on each node.
UpdateActiveTreeDrawProperties();
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, grand_child_->CanUseLCDText());
// Mark contents non-opaque within the first animation frame.
child_->SetContentsOpaque(false);
AddOpacityTransitionToElementWithAnimation(child_->element_id(), timeline(),
10.0, 0.9f, 0.1f, false);
UpdateActiveTreeDrawProperties();
// LCD text should be disabled for non-opaque layers even during animations.
EXPECT_EQ(expect_lcd_text, root_->CanUseLCDText());
EXPECT_EQ(expect_not_lcd_text, child_->CanUseLCDText());
EXPECT_EQ(expect_lcd_text, grand_child_->CanUseLCDText());
}
INSTANTIATE_TEST_SUITE_P(DrawPropertiesTest,
LCDTextTest,
testing::Combine(testing::Bool(), testing::Bool()));
// Needs layer tree mode: hide_layer_and_subtree.
TEST_F(DrawPropertiesTestWithLayerTree, SubtreeHidden_SingleLayerImpl) {
auto root = Layer::Create();
root->SetBounds(gfx::Size(50, 50));
root->SetIsDrawable(true);
auto child = Layer::Create();
root->AddChild(child);
child->SetBounds(gfx::Size(40, 40));
child->SetIsDrawable(true);
auto grand_child = Layer::Create();
child->AddChild(grand_child);
grand_child->SetBounds(gfx::Size(30, 30));
grand_child->SetIsDrawable(true);
grand_child->SetHideLayerAndSubtree(true);
child->AddChild(grand_child);
root->AddChild(child);
host()->SetRootLayer(root);
CommitAndActivate();
// We should have one render surface and two layers. The grand child has
// hidden itself.
ASSERT_EQ(1u, GetRenderSurfaceList().size());
ASSERT_EQ(2, GetRenderSurfaceImpl(root)->num_contributors());
EXPECT_TRUE(ImplOf(root)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(child)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child)->contributes_to_drawn_render_surface());
}
// Needs layer tree mode: hide_layer_and_subtree.
TEST_F(DrawPropertiesTestWithLayerTree, SubtreeHidden_TwoLayersImpl) {
auto root = Layer::Create();
root->SetBounds(gfx::Size(50, 50));
root->SetIsDrawable(true);
auto child = Layer::Create();
child->SetBounds(gfx::Size(40, 40));
child->SetIsDrawable(true);
child->SetHideLayerAndSubtree(true);
auto grand_child = Layer::Create();
grand_child->SetBounds(gfx::Size(30, 30));
grand_child->SetIsDrawable(true);
child->AddChild(grand_child);
root->AddChild(child);
host()->SetRootLayer(root);
CommitAndActivate();
// We should have one render surface and one layer. The child has
// hidden itself and the grand child.
ASSERT_EQ(1u, GetRenderSurfaceList().size());
ASSERT_EQ(1, GetRenderSurfaceImpl(root)->num_contributors());
EXPECT_TRUE(ImplOf(root)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child)->contributes_to_drawn_render_surface());
}
// Needs layer tree mode: mask layer, hide_layer_and_subtree and copy request.
TEST_F(DrawPropertiesTestWithLayerTree, SubtreeHiddenWithCopyRequest) {
auto root = Layer::Create();
root->SetBounds(gfx::Size(50, 50));
root->SetIsDrawable(true);
auto copy_grand_parent = Layer::Create();
copy_grand_parent->SetBounds(gfx::Size(40, 40));
copy_grand_parent->SetIsDrawable(true);
auto copy_parent = Layer::Create();
copy_parent->SetBounds(gfx::Size(30, 30));
copy_parent->SetIsDrawable(true);
copy_parent->SetForceRenderSurfaceForTesting(true);
auto copy_layer = Layer::Create();
copy_layer->SetBounds(gfx::Size(20, 20));
copy_layer->SetIsDrawable(true);
copy_layer->SetForceRenderSurfaceForTesting(true);
auto copy_child = Layer::Create();
copy_child->SetBounds(gfx::Size(20, 20));
copy_child->SetIsDrawable(true);
auto copy_grand_child = Layer::Create();
copy_grand_child->SetBounds(gfx::Size(20, 20));
copy_grand_child->SetIsDrawable(true);
auto copy_grand_parent_sibling_before = Layer::Create();
copy_grand_parent_sibling_before->SetBounds(gfx::Size(40, 40));
copy_grand_parent_sibling_before->SetIsDrawable(true);
auto copy_grand_parent_sibling_after = Layer::Create();
copy_grand_parent_sibling_after->SetBounds(gfx::Size(40, 40));
copy_grand_parent_sibling_after->SetIsDrawable(true);
copy_child->AddChild(copy_grand_child);
copy_layer->AddChild(copy_child);
copy_parent->AddChild(copy_layer);
copy_grand_parent->AddChild(copy_parent);
root->AddChild(copy_grand_parent_sibling_before);
root->AddChild(copy_grand_parent);
root->AddChild(copy_grand_parent_sibling_after);
host()->SetRootLayer(root);
// Hide the copy_grand_parent and its subtree. But make a copy request in that
// hidden subtree on copy_layer. Also hide the copy grand child and its
// subtree.
copy_grand_parent->SetHideLayerAndSubtree(true);
copy_grand_parent_sibling_before->SetHideLayerAndSubtree(true);
copy_grand_parent_sibling_after->SetHideLayerAndSubtree(true);
copy_grand_child->SetHideLayerAndSubtree(true);
copy_layer->RequestCopyOfOutput(
viz::CopyOutputRequest::CreateStubForTesting());
CommitAndActivate();
EXPECT_TRUE(GetEffectNode(ImplOf(root))->subtree_has_copy_request);
EXPECT_TRUE(
GetEffectNode(ImplOf(copy_grand_parent))->subtree_has_copy_request);
EXPECT_TRUE(GetEffectNode(ImplOf(copy_parent))->subtree_has_copy_request);
EXPECT_TRUE(GetEffectNode(ImplOf(copy_layer))->subtree_has_copy_request);
// We should have four render surfaces, one for the root, one for the grand
// parent since it has opacity and two drawing descendants, one for the parent
// since it owns a surface, and one for the copy_layer.
ASSERT_EQ(4u, GetRenderSurfaceList().size());
EXPECT_EQ(static_cast<uint64_t>(root->id()),
GetRenderSurfaceList().at(0)->id());
EXPECT_EQ(static_cast<uint64_t>(copy_grand_parent->id()),
GetRenderSurfaceList().at(1)->id());
EXPECT_EQ(static_cast<uint64_t>(copy_parent->id()),
GetRenderSurfaceList().at(2)->id());
EXPECT_EQ(static_cast<uint64_t>(copy_layer->id()),
GetRenderSurfaceList().at(3)->id());
// The root render surface should have 2 contributing layers.
EXPECT_EQ(2, GetRenderSurfaceImpl(root)->num_contributors());
EXPECT_TRUE(ImplOf(root)->contributes_to_drawn_render_surface());
EXPECT_FALSE(
ImplOf(copy_grand_parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(copy_grand_parent_sibling_before)
->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(copy_grand_parent_sibling_after)
->contributes_to_drawn_render_surface());
// Nothing actually draws into the copy parent, so only the copy_layer will
// appear in its list, since it needs to be drawn for the copy request.
ASSERT_EQ(1, GetRenderSurfaceImpl(copy_parent)->num_contributors());
EXPECT_FALSE(ImplOf(copy_parent)->contributes_to_drawn_render_surface());
// The copy layer's render surface should have 2 contributing layers.
ASSERT_EQ(2, GetRenderSurfaceImpl(copy_layer)->num_contributors());
EXPECT_TRUE(ImplOf(copy_layer)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(copy_child)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(copy_grand_child)->contributes_to_drawn_render_surface());
// copy_grand_parent, copy_parent shouldn't be drawn because they are hidden,
// but the copy_layer and copy_child should be drawn for the copy request.
// copy grand child should not be drawn as its hidden even in the copy
// request.
EXPECT_FALSE(GetEffectNode(ImplOf(copy_grand_parent))->is_drawn);
EXPECT_FALSE(GetEffectNode(ImplOf(copy_parent))->is_drawn);
EXPECT_TRUE(GetEffectNode(ImplOf(copy_layer))->is_drawn);
EXPECT_TRUE(GetEffectNode(ImplOf(copy_child))->is_drawn);
EXPECT_FALSE(GetEffectNode(ImplOf(copy_grand_child))->is_drawn);
// Though copy_layer is drawn, it shouldn't contribute to drawn surface as its
// actually hidden.
EXPECT_FALSE(
GetRenderSurfaceImpl(copy_layer)->contributes_to_drawn_surface());
}
// Needs layer tree mode: copy request.
TEST_F(DrawPropertiesTestWithLayerTree, ClippedOutCopyRequest) {
auto root = Layer::Create();
root->SetBounds(gfx::Size(50, 50));
root->SetIsDrawable(true);
auto copy_parent = Layer::Create();
copy_parent->SetIsDrawable(true);
copy_parent->SetMasksToBounds(true);
auto copy_layer = Layer::Create();
copy_layer->SetBounds(gfx::Size(30, 30));
copy_layer->SetIsDrawable(true);
copy_layer->SetForceRenderSurfaceForTesting(true);
auto copy_child = Layer::Create();
copy_child->SetBounds(gfx::Size(20, 20));
copy_child->SetIsDrawable(true);
copy_layer->RequestCopyOfOutput(
viz::CopyOutputRequest::CreateStubForTesting());
copy_layer->AddChild(copy_child);
copy_parent->AddChild(copy_layer);
root->AddChild(copy_parent);
host()->SetRootLayer(root);
CommitAndActivate();
// We should have two render surface, as the others are clipped out.
ASSERT_EQ(2u, GetRenderSurfaceList().size());
EXPECT_EQ(static_cast<uint64_t>(root->id()),
GetRenderSurfaceList().at(0)->id());
// The root render surface should have only 2 contributing layer, since the
// other layers are clipped away.
ASSERT_EQ(2, GetRenderSurfaceImpl(root)->num_contributors());
EXPECT_TRUE(ImplOf(root)->contributes_to_drawn_render_surface());
}
// Needs layer tree mode: copy request.
TEST_F(DrawPropertiesTestWithLayerTree, SingularTransformAndCopyRequests) {
auto root = Layer::Create();
host()->SetRootLayer(root);
root->SetBounds(gfx::Size(50, 50));
root->SetIsDrawable(true);
auto singular_transform_layer = Layer::Create();
root->AddChild(singular_transform_layer);
singular_transform_layer->SetBounds(gfx::Size(100, 100));
singular_transform_layer->SetIsDrawable(true);
gfx::Transform singular;
singular.Scale3d(6.f, 6.f, 0.f);
singular_transform_layer->SetTransform(singular);
auto copy_layer = Layer::Create();
singular_transform_layer->AddChild(copy_layer);
copy_layer->SetBounds(gfx::Size(100, 100));
copy_layer->SetIsDrawable(true);
copy_layer->RequestCopyOfOutput(
viz::CopyOutputRequest::CreateStubForTesting());
auto copy_child = Layer::Create();
copy_layer->AddChild(copy_child);
copy_child->SetBounds(gfx::Size(100, 100));
copy_child->SetIsDrawable(true);
auto copy_grand_child = Layer::Create();
copy_child->AddChild(copy_grand_child);
copy_grand_child->SetBounds(gfx::Size(100, 100));
copy_grand_child->SetIsDrawable(true);
copy_grand_child->SetTransform(singular);
ASSERT_TRUE(copy_layer->HasCopyRequest());
CommitAndActivate();
ASSERT_FALSE(copy_layer->HasCopyRequest());
// A layer with singular transform should not contribute to drawn render
// surface.
EXPECT_FALSE(
ImplOf(singular_transform_layer)->contributes_to_drawn_render_surface());
// Even though copy_layer and copy_child have singular screen space transform,
// they still contribute to drawn render surface as their transform to the
// closest ancestor with copy request is not singular.
EXPECT_TRUE(ImplOf(copy_layer)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(copy_child)->contributes_to_drawn_render_surface());
// copy_grand_child's transform to its closest ancestor with copy request is
// also singular. So, it doesn't contribute to drawn render surface.
EXPECT_FALSE(ImplOf(copy_grand_child)->contributes_to_drawn_render_surface());
}
// Needs layer tree mode: copy request.
TEST_F(DrawPropertiesTestWithLayerTree, VisibleRectInNonRootCopyRequest) {
auto root = Layer::Create();
host()->SetRootLayer(root);
root->SetBounds(gfx::Size(50, 50));
root->SetIsDrawable(true);
root->SetMasksToBounds(true);
auto copy_layer = Layer::Create();
root->AddChild(copy_layer);
copy_layer->SetBounds(gfx::Size(100, 100));
copy_layer->SetIsDrawable(true);
copy_layer->SetForceRenderSurfaceForTesting(true);
auto copy_child = Layer::Create();
copy_layer->AddChild(copy_child);
copy_child->SetPosition(gfx::PointF(40.f, 40.f));
copy_child->SetBounds(gfx::Size(20, 20));
copy_child->SetIsDrawable(true);
auto copy_clip = Layer::Create();
copy_layer->AddChild(copy_clip);
copy_clip->SetBounds(gfx::Size(55, 55));
copy_clip->SetMasksToBounds(true);
auto copy_clipped_child = Layer::Create();
copy_clip->AddChild(copy_clipped_child);
copy_clipped_child->SetPosition(gfx::PointF(40.f, 40.f));
copy_clipped_child->SetBounds(gfx::Size(20, 20));
copy_clipped_child->SetIsDrawable(true);
auto copy_surface = Layer::Create();
copy_clip->AddChild(copy_surface);
copy_surface->SetPosition(gfx::PointF(45.f, 45.f));
copy_surface->SetBounds(gfx::Size(20, 20));
copy_surface->SetIsDrawable(true);
copy_surface->SetForceRenderSurfaceForTesting(true);
copy_layer->RequestCopyOfOutput(
viz::CopyOutputRequest::CreateStubForTesting());
ASSERT_TRUE(copy_layer->HasCopyRequest());
CommitAndActivate();
ASSERT_FALSE(copy_layer->HasCopyRequest());
EXPECT_EQ(gfx::Rect(100, 100), ImplOf(copy_layer)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(20, 20), ImplOf(copy_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(15, 15),
ImplOf(copy_clipped_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_surface)->visible_layer_rect());
// Case 2: When the non root copy request layer is clipped.
copy_layer->SetBounds(gfx::Size(50, 50));
copy_layer->SetMasksToBounds(true);
copy_layer->RequestCopyOfOutput(
viz::CopyOutputRequest::CreateStubForTesting());
ASSERT_TRUE(copy_layer->HasCopyRequest());
CommitAndActivate();
ASSERT_FALSE(copy_layer->HasCopyRequest());
EXPECT_EQ(gfx::Rect(50, 50), ImplOf(copy_layer)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10),
ImplOf(copy_clipped_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(5, 5), ImplOf(copy_surface)->visible_layer_rect());
// Case 3: When there is device scale factor.
SetDeviceScaleAndUpdateViewportRect(host(), 2.f);
copy_layer->RequestCopyOfOutput(
viz::CopyOutputRequest::CreateStubForTesting());
ASSERT_TRUE(copy_layer->HasCopyRequest());
CommitAndActivate();
ASSERT_FALSE(copy_layer->HasCopyRequest());
EXPECT_EQ(gfx::Rect(50, 50), ImplOf(copy_layer)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10),
ImplOf(copy_clipped_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(5, 5), ImplOf(copy_surface)->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, TransformedClipParent) {
// Ensure that a transform between the layer and its render surface is not a
// problem. Constructs the following layer tree.
//
// Virtual layer tree:
// root (a render surface)
// + render_surface
// + clip_parent (scaled)
// + intervening_clipping_layer
// + clip_child (clipped_by_clip_parent)
//
// The render surface should be resized correctly and the clip child should
// inherit the right clip rect.
LayerImpl* root = root_layer();
root->SetBounds(gfx::Size(50, 50));
LayerImpl* render_surface = AddLayer<LayerImpl>();
render_surface->SetBounds(gfx::Size(10, 10));
CopyProperties(root, render_surface);
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
LayerImpl* clip_parent = AddLayer<LayerImpl>();
clip_parent->SetDrawsContent(true);
clip_parent->SetBounds(gfx::Size(10, 10));
CopyProperties(render_surface, clip_parent);
auto& clip_parent_transform = CreateTransformNode(clip_parent);
clip_parent_transform.local.Scale(2, 2);
clip_parent_transform.post_translation = gfx::Vector2dF(1, 1);
CreateClipNode(clip_parent);
LayerImpl* intervening = AddLayer<LayerImpl>();
intervening->SetDrawsContent(true);
intervening->SetBounds(gfx::Size(5, 5));
intervening->SetOffsetToTransformParent(gfx::Vector2dF(1, 1));
CopyProperties(clip_parent, intervening);
CreateClipNode(intervening);
LayerImpl* clip_child = AddLayer<LayerImpl>();
clip_child->SetDrawsContent(true);
clip_child->SetBounds(gfx::Size(10, 10));
clip_child->SetOffsetToTransformParent(gfx::Vector2dF(2, 2));
CopyProperties(intervening, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
UpdateActiveTreeDrawProperties();
ASSERT_TRUE(GetRenderSurface(root));
ASSERT_TRUE(GetRenderSurface(render_surface));
// Ensure that we've inherited our clip parent's clip and weren't affected
// by the intervening clip layer.
ASSERT_EQ(gfx::Rect(1, 1, 20, 20), clip_parent->clip_rect());
ASSERT_EQ(clip_parent->clip_rect(), clip_child->clip_rect());
ASSERT_EQ(gfx::Rect(3, 3, 10, 10), intervening->clip_rect());
// Ensure that the render surface reports a content rect that has been grown
// to accomodate for the clip child.
ASSERT_EQ(gfx::Rect(1, 1, 20, 20),
GetRenderSurface(render_surface)->content_rect());
// The above check implies the two below, but they nicely demonstrate that
// we've grown, despite the intervening layer's clip.
ASSERT_TRUE(clip_parent->clip_rect().Contains(
GetRenderSurface(render_surface)->content_rect()));
ASSERT_FALSE(intervening->clip_rect().Contains(
GetRenderSurface(render_surface)->content_rect()));
}
TEST_F(DrawPropertiesTest, ClipParentWithInterveningRenderSurface) {
// Ensure that intervening render surfaces are not a problem in the basic
// case. In the following tree, both render surfaces should be resized to
// accomodate for the clip child, despite an intervening clip.
//
// Virtual layer tree:
// root (a render surface)
// + clip_parent (clips)
// + render_surface1 (sets opacity)
// + intervening (clips)
// + render_surface2 (also sets opacity)
// + clip_child (clipped by clip_parent)
//
LayerImpl* root = root_layer();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* render_surface1 = AddLayer<LayerImpl>();
LayerImpl* intervening = AddLayer<LayerImpl>();
LayerImpl* render_surface2 = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(50, 50));
clip_parent->SetBounds(gfx::Size(40, 40));
clip_parent->SetOffsetToTransformParent(gfx::Vector2dF(1, 1));
CopyProperties(root, clip_parent);
CreateClipNode(clip_parent);
render_surface1->SetDrawsContent(true);
render_surface1->SetBounds(gfx::Size(10, 10));
CopyProperties(clip_parent, render_surface1);
CreateTransformNode(render_surface1).post_translation = gfx::Vector2dF(1, 1);
CreateEffectNode(render_surface1).render_surface_reason =
RenderSurfaceReason::kTest;
intervening->SetBounds(gfx::Size(5, 5));
intervening->SetOffsetToTransformParent(gfx::Vector2dF(1, 1));
CopyProperties(render_surface1, intervening);
CreateClipNode(intervening);
render_surface2->SetDrawsContent(true);
render_surface2->SetBounds(gfx::Size(10, 10));
CopyProperties(intervening, render_surface2);
CreateTransformNode(render_surface2).post_translation = gfx::Vector2dF(1, 1);
CreateEffectNode(render_surface2).render_surface_reason =
RenderSurfaceReason::kTest;
clip_child->SetBounds(gfx::Size(60, 60));
clip_child->SetDrawsContent(true);
clip_child->SetOffsetToTransformParent(gfx::Vector2dF(-10, -10));
CopyProperties(render_surface2, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
UpdateActiveTreeDrawProperties();
EXPECT_TRUE(GetRenderSurface(root));
EXPECT_TRUE(GetRenderSurface(render_surface1));
EXPECT_TRUE(GetRenderSurface(render_surface2));
// render_surface1 should apply the clip from clip_parent. Though there is a
// clip child, render_surface1 can apply the clip as there are no clips
// between the clip parent and render_surface1
EXPECT_EQ(gfx::Rect(1, 1, 40, 40),
GetRenderSurface(render_surface1)->clip_rect());
EXPECT_TRUE(GetRenderSurface(render_surface1)->is_clipped());
EXPECT_EQ(gfx::Rect(), render_surface1->clip_rect());
EXPECT_FALSE(render_surface1->is_clipped());
// render_surface2 could have expanded, as there is a clip between
// clip_child's clip (clip_parent) and render_surface2's clip (intervening).
// So, it should not be clipped (their bounds would no longer be reliable).
// We should resort to layer clipping in this case.
EXPECT_EQ(gfx::Rect(0, 0, 0, 0),
GetRenderSurface(render_surface2)->clip_rect());
EXPECT_FALSE(GetRenderSurface(render_surface2)->is_clipped());
// This value is inherited from the clipping ancestor layer, 'intervening'.
EXPECT_EQ(gfx::Rect(0, 0, 5, 5), render_surface2->clip_rect());
EXPECT_TRUE(render_surface2->is_clipped());
// The content rects of render_surface2 should have expanded to contain the
// clip child.
EXPECT_EQ(gfx::Rect(0, 0, 40, 40),
GetRenderSurface(render_surface1)->content_rect());
EXPECT_EQ(gfx::Rect(-10, -10, 60, 60),
GetRenderSurface(render_surface2)->content_rect());
// The clip child should have inherited the clip parent's clip (projected to
// the right space, of course), but as render_surface1 already applies that
// clip, clip_child need not apply it again.
EXPECT_EQ(gfx::Rect(), clip_child->clip_rect());
EXPECT_EQ(gfx::Rect(9, 9, 40, 40), clip_child->visible_layer_rect());
EXPECT_FALSE(clip_child->is_clipped());
}
TEST_F(DrawPropertiesTest, ClipParentScrolledInterveningLayer) {
// Ensure that intervening render surfaces are not a problem, even if there
// is a scroll involved. Note, we do _not_ have to consider any other sort
// of transform.
//
// Virtual layer tree:
// root (a render surface)
// + clip_parent (clips and transforms)
// + render_surface1 (has render surface)
// + intervening (clips AND scrolls)
// + render_surface2 (also has render surface)
// + clip_child (clipped by clip_parent)
//
LayerImpl* root = root_layer();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* render_surface1 = AddLayer<LayerImpl>();
LayerImpl* intervening = AddLayer<LayerImpl>();
LayerImpl* render_surface2 = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(50, 50));
clip_parent->SetBounds(gfx::Size(40, 40));
CopyProperties(root, clip_parent);
auto& clip_parent_transform = CreateTransformNode(clip_parent);
clip_parent_transform.local.Translate(2, 2);
clip_parent_transform.post_translation = gfx::Vector2dF(1, 1);
CreateClipNode(clip_parent);
render_surface1->SetDrawsContent(true);
render_surface1->SetBounds(gfx::Size(10, 10));
CopyProperties(clip_parent, render_surface1);
CreateEffectNode(render_surface1).render_surface_reason =
RenderSurfaceReason::kTest;
intervening->SetBounds(gfx::Size(5, 5));
intervening->SetScrollable(gfx::Size(1, 1));
intervening->SetElementId(LayerIdToElementIdForTesting(intervening->id()));
CopyProperties(render_surface1, intervening);
CreateTransformNode(intervening).post_translation = gfx::Vector2dF(1, 1);
CreateScrollNode(intervening);
CreateClipNode(intervening);
render_surface2->SetDrawsContent(true);
render_surface2->SetBounds(gfx::Size(10, 10));
CopyProperties(intervening, render_surface2);
CreateTransformNode(render_surface2);
CreateEffectNode(render_surface2).render_surface_reason =
RenderSurfaceReason::kTest;
clip_child->SetBounds(gfx::Size(60, 60));
clip_child->SetDrawsContent(true);
clip_child->SetOffsetToTransformParent(gfx::Vector2dF(-10, -10));
CopyProperties(render_surface2, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
SetScrollOffset(intervening, gfx::ScrollOffset(3, 3));
UpdateActiveTreeDrawProperties();
EXPECT_TRUE(GetRenderSurface(root));
EXPECT_TRUE(GetRenderSurface(render_surface1));
EXPECT_TRUE(GetRenderSurface(render_surface2));
// render_surface1 should apply the clip from clip_parent. Though there is a
// clip child, render_surface1 can apply the clip as there are no clips
// between the clip parent and render_surface1
EXPECT_EQ(gfx::Rect(3, 3, 40, 40),
GetRenderSurface(render_surface1)->clip_rect());
EXPECT_TRUE(GetRenderSurface(render_surface1)->is_clipped());
EXPECT_EQ(gfx::Rect(), render_surface1->clip_rect());
EXPECT_FALSE(render_surface1->is_clipped());
// render_surface2 could have expanded, as there is a clip between
// clip_child's clip (clip_parent) and render_surface2's clip (intervening).
// So, it should not be clipped (their bounds would no longer be reliable).
// We should resort to layer clipping in this case.
EXPECT_EQ(gfx::Rect(0, 0, 0, 0),
GetRenderSurface(render_surface2)->clip_rect());
EXPECT_FALSE(GetRenderSurface(render_surface2)->is_clipped());
// This value is inherited from the clipping ancestor layer, 'intervening'.
EXPECT_EQ(gfx::Rect(0, 0, 5, 5), render_surface2->clip_rect());
EXPECT_TRUE(render_surface2->is_clipped());
// The content rects of render_surface2 should have expanded to contain the
// clip child.
EXPECT_EQ(gfx::Rect(0, 0, 40, 40),
GetRenderSurface(render_surface1)->content_rect());
EXPECT_EQ(gfx::Rect(-10, -10, 60, 60),
GetRenderSurface(render_surface2)->content_rect());
// The clip child should have inherited the clip parent's clip (projected to
// the right space, of course), but as render_surface1 already applies that
// clip, clip_child need not apply it again.
EXPECT_EQ(gfx::Rect(), clip_child->clip_rect());
EXPECT_EQ(gfx::Rect(12, 12, 40, 40), clip_child->visible_layer_rect());
EXPECT_FALSE(clip_child->is_clipped());
}
TEST_F(DrawPropertiesTest, DescendantsOfClipChildren) {
// Ensures that descendants of the clip child inherit the correct clip.
//
// Virtual layer tree:
// root (a render surface)
// + clip_parent (clips)
// + intervening (clips)
// + clip_child (clipped by clip_parent, skipping intervening)
// + child
//
LayerImpl* root = root_layer();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* intervening = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
LayerImpl* child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(50, 50));
clip_parent->SetBounds(gfx::Size(40, 40));
CopyProperties(root, clip_parent);
CreateClipNode(clip_parent);
intervening->SetBounds(gfx::Size(5, 5));
CopyProperties(clip_parent, intervening);
CreateClipNode(intervening);
clip_child->SetDrawsContent(true);
clip_child->SetBounds(gfx::Size(60, 60));
CopyProperties(intervening, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
child->SetDrawsContent(true);
child->SetBounds(gfx::Size(60, 60));
CopyProperties(clip_child, child);
UpdateActiveTreeDrawProperties();
EXPECT_TRUE(GetRenderSurface(root));
// Neither the clip child nor its descendant should have inherited the clip
// from |intervening|.
EXPECT_EQ(gfx::Rect(0, 0, 40, 40), clip_child->clip_rect());
EXPECT_TRUE(clip_child->is_clipped());
EXPECT_EQ(gfx::Rect(0, 0, 40, 40), child->visible_layer_rect());
EXPECT_TRUE(child->is_clipped());
}
TEST_F(DrawPropertiesTest,
SurfacesShouldBeUnaffectedByNonDescendantClipChildren) {
// Ensures that non-descendant clip children in the tree do not affect
// render surfaces.
//
// root (a render surface)
// + clip_parent (clips)
// + clip_layer (clips)
// + render_surface1
// + clip_child (clipped by clip_parent)
// + render_surface2
// + non_clip_child (in normal clip hierarchy)
//
// In this example render_surface2 should be unaffected by clip_child.
LayerImpl* root = root_layer();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* clip_layer = AddLayer<LayerImpl>();
LayerImpl* render_surface1 = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
LayerImpl* render_surface2 = AddLayer<LayerImpl>();
LayerImpl* non_clip_child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(15, 15));
clip_parent->SetBounds(gfx::Size(10, 10));
clip_layer->SetBounds(gfx::Size(10, 10));
render_surface1->SetDrawsContent(true);
render_surface1->SetBounds(gfx::Size(5, 5));
render_surface2->SetDrawsContent(true);
render_surface2->SetBounds(gfx::Size(5, 5));
clip_child->SetDrawsContent(true);
clip_child->SetOffsetToTransformParent(gfx::Vector2dF(-1, 1));
clip_child->SetBounds(gfx::Size(10, 10));
non_clip_child->SetDrawsContent(true);
non_clip_child->SetBounds(gfx::Size(5, 5));
CopyProperties(root, clip_parent);
CreateClipNode(clip_parent);
CopyProperties(clip_parent, clip_layer);
CreateClipNode(clip_layer);
CopyProperties(clip_layer, render_surface1);
CreateTransformNode(render_surface1).post_translation = gfx::Vector2dF(5, 5);
CreateEffectNode(render_surface1).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(clip_layer, render_surface2);
CreateTransformNode(render_surface2).post_translation = gfx::Vector2dF(5, 5);
CreateEffectNode(render_surface2).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface1, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
CopyProperties(render_surface2, non_clip_child);
UpdateActiveTreeDrawProperties();
EXPECT_TRUE(GetRenderSurface(root));
EXPECT_TRUE(GetRenderSurface(render_surface1));
EXPECT_TRUE(GetRenderSurface(render_surface2));
EXPECT_EQ(gfx::Rect(-5, -5, 10, 10), render_surface1->clip_rect());
EXPECT_TRUE(render_surface1->is_clipped());
// The render surface should not clip (it has unclipped descendants), instead
// it should rely on layer clipping.
EXPECT_EQ(gfx::Rect(0, 0, 0, 0),
GetRenderSurface(render_surface1)->clip_rect());
EXPECT_FALSE(GetRenderSurface(render_surface1)->is_clipped());
// That said, it should have grown to accomodate the unclipped descendant and
// its own size.
EXPECT_EQ(gfx::Rect(-1, 0, 6, 5),
GetRenderSurface(render_surface1)->content_rect());
// This render surface should clip. It has no unclipped descendants.
EXPECT_EQ(gfx::Rect(0, 0, 10, 10),
GetRenderSurface(render_surface2)->clip_rect());
EXPECT_TRUE(GetRenderSurface(render_surface2)->is_clipped());
EXPECT_FALSE(render_surface2->is_clipped());
// It also shouldn't have grown to accomodate the clip child.
EXPECT_EQ(gfx::Rect(0, 0, 5, 5),
GetRenderSurface(render_surface2)->content_rect());
}
TEST_F(DrawPropertiesTest, TransformAnimationUpdatesBackfaceVisibility) {
LayerImpl* root = root_layer();
LayerImpl* back_facing = AddLayer<LayerImpl>();
LayerImpl* render_surface1 = AddLayer<LayerImpl>();
LayerImpl* render_surface2 = AddLayer<LayerImpl>();
gfx::Transform rotate_about_y;
rotate_about_y.RotateAboutYAxis(180.0);
root->SetBounds(gfx::Size(50, 50));
back_facing->SetBounds(gfx::Size(50, 50));
render_surface1->SetBounds(gfx::Size(30, 30));
render_surface2->SetBounds(gfx::Size(30, 30));
SetElementIdsForTesting();
CopyProperties(root, back_facing);
auto& back_facing_transform_node = CreateTransformNode(back_facing);
back_facing_transform_node.flattens_inherited_transform = false;
back_facing_transform_node.sorting_context_id = 1;
back_facing_transform_node.local = rotate_about_y;
CopyProperties(back_facing, render_surface1);
auto& render_surface1_transform_node = CreateTransformNode(render_surface1);
render_surface1_transform_node.flattens_inherited_transform = false;
render_surface1_transform_node.sorting_context_id = 1;
auto& render_surface1_effect_node = CreateEffectNode(render_surface1);
render_surface1_effect_node.render_surface_reason =
RenderSurfaceReason::kTest;
render_surface1_effect_node.double_sided = false;
CopyProperties(back_facing, render_surface2);
auto& render_surface2_transform_node = CreateTransformNode(render_surface2);
render_surface2_transform_node.flattens_inherited_transform = false;
render_surface2_transform_node.sorting_context_id = 1;
auto& render_surface2_effect_node = CreateEffectNode(render_surface2);
render_surface2_effect_node.render_surface_reason =
RenderSurfaceReason::kTest;
render_surface2_effect_node.double_sided = false;
UpdateActiveTreeDrawProperties();
EXPECT_TRUE(GetEffectNode(render_surface1)->hidden_by_backface_visibility);
EXPECT_TRUE(GetEffectNode(render_surface2)->hidden_by_backface_visibility);
root->layer_tree_impl()->SetTransformMutated(back_facing->element_id(),
gfx::Transform());
root->layer_tree_impl()->SetTransformMutated(render_surface2->element_id(),
rotate_about_y);
UpdateActiveTreeDrawProperties();
EXPECT_FALSE(GetEffectNode(render_surface1)->hidden_by_backface_visibility);
EXPECT_TRUE(GetEffectNode(render_surface2)->hidden_by_backface_visibility);
root->layer_tree_impl()->SetTransformMutated(render_surface1->element_id(),
rotate_about_y);
UpdateActiveTreeDrawProperties();
EXPECT_TRUE(GetEffectNode(render_surface1)->hidden_by_backface_visibility);
EXPECT_TRUE(GetEffectNode(render_surface2)->hidden_by_backface_visibility);
}
TEST_F(DrawPropertiesTest, ScrollChildAndScrollParentDifferentTargets) {
// Tests the computation of draw transform for the scroll child when its
// render surface is different from its scroll parent's render surface.
LayerImpl* root = root_layer();
LayerImpl* scroll_child_target = AddLayer<LayerImpl>();
LayerImpl* scroll_child = AddLayer<LayerImpl>();
LayerImpl* scroll_parent_target = AddLayer<LayerImpl>();
LayerImpl* scroll_parent = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(50, 50));
scroll_child_target->SetBounds(gfx::Size(50, 50));
scroll_parent_target->SetBounds(gfx::Size(50, 50));
scroll_parent->SetBounds(gfx::Size(50, 50));
scroll_parent->SetDrawsContent(true);
scroll_child->SetBounds(gfx::Size(50, 50));
scroll_child->SetDrawsContent(true);
CopyProperties(root, scroll_child_target);
auto& child_target_effect_node = CreateEffectNode(scroll_child_target);
child_target_effect_node.render_surface_reason = RenderSurfaceReason::kTest;
CopyProperties(scroll_child_target, scroll_parent_target);
CreateTransformNode(scroll_parent_target).post_translation =
gfx::Vector2dF(10, 10);
CreateScrollNode(scroll_parent_target);
CreateEffectNode(scroll_parent_target).render_surface_reason =
RenderSurfaceReason::kTest;
CreateClipNode(scroll_parent_target);
CopyProperties(scroll_parent_target, scroll_parent);
// Let |scroll_child| inherit |scroll_parent|'s transform/clip/scroll states,
CopyProperties(scroll_parent, scroll_child);
// and |scroll_child_target|'s effect state.
scroll_child->SetEffectTreeIndex(scroll_child_target->effect_tree_index());
scroll_child->SetOffsetToTransformParent(gfx::Vector2dF(-10, -10));
float device_scale_factor = 1.5f;
UpdateActiveTreeDrawProperties(device_scale_factor);
EXPECT_EQ(scroll_child->effect_tree_index(),
scroll_child_target->effect_tree_index());
EXPECT_EQ(scroll_child->visible_layer_rect(), gfx::Rect(10, 10, 40, 40));
EXPECT_EQ(scroll_child->clip_rect(), gfx::Rect(15, 15, 75, 75));
gfx::Transform scale;
scale.Scale(device_scale_factor, device_scale_factor);
EXPECT_TRANSFORMATION_MATRIX_EQ(scroll_child->DrawTransform(), scale);
}
TEST_F(DrawPropertiesTest, SingularTransformSubtreesDoNotDraw) {
LayerImpl* root = root_layer();
LayerImpl* parent = AddLayer<LayerImpl>();
LayerImpl* child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(50, 50));
root->SetDrawsContent(true);
parent->SetBounds(gfx::Size(30, 30));
parent->SetDrawsContent(true);
child->SetBounds(gfx::Size(20, 20));
child->SetDrawsContent(true);
CopyProperties(root, parent);
CreateTransformNode(parent).sorting_context_id = 1;
CreateEffectNode(parent).render_surface_reason = RenderSurfaceReason::kTest;
CopyProperties(parent, child);
CreateTransformNode(child).sorting_context_id = 1;
CreateEffectNode(child).render_surface_reason = RenderSurfaceReason::kTest;
UpdateActiveTreeDrawProperties();
EXPECT_EQ(3u, GetRenderSurfaceList().size());
gfx::Transform singular_transform;
singular_transform.Scale3d(SkDoubleToMScalar(1.0), SkDoubleToMScalar(1.0),
SkDoubleToMScalar(0.0));
SetTransform(child, singular_transform);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(2u, GetRenderSurfaceList().size());
// Ensure that the entire subtree under a layer with singular transform does
// not get rendered.
SetTransform(parent, singular_transform);
SetTransform(child, gfx::Transform());
UpdateActiveTreeDrawProperties();
EXPECT_EQ(1u, GetRenderSurfaceList().size());
}
TEST_F(DrawPropertiesTest, ScrollSnapping) {
// This test verifies that a scrolling layer gets scroll offset snapped to
// integer coordinates.
//
// Virtual layer hierarchy:
// + root
// + container
// + scroller
//
LayerImpl* root = root_layer();
LayerImpl* container = AddLayer<LayerImpl>();
LayerImpl* scroller = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(50, 50));
container->SetBounds(gfx::Size(40, 40));
container->SetDrawsContent(true);
CopyProperties(root, container);
gfx::Vector2dF container_offset(10, 20);
scroller->SetElementId(LayerIdToElementIdForTesting(scroller->id()));
scroller->SetBounds(gfx::Size(30, 30));
scroller->SetScrollable(container->bounds());
scroller->SetDrawsContent(true);
CopyProperties(container, scroller);
CreateTransformNode(scroller).post_translation = container_offset;
CreateScrollNode(scroller);
// Rounded to integers already.
{
gfx::Vector2dF scroll_delta(3.0, 5.0);
SetScrollOffsetDelta(scroller, scroll_delta);
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR_EQ(
scroller->draw_properties().screen_space_transform.To2dTranslation(),
container_offset - scroll_delta);
}
// Scroll delta requiring rounding.
{
gfx::Vector2dF scroll_delta(4.1f, 8.1f);
SetScrollOffsetDelta(scroller, scroll_delta);
UpdateActiveTreeDrawProperties();
gfx::Vector2dF rounded_scroll_delta(4.f, 8.f);
EXPECT_VECTOR_EQ(
scroller->draw_properties().screen_space_transform.To2dTranslation(),
container_offset - rounded_scroll_delta);
}
}
TEST_F(DrawPropertiesTest, ScrollSnappingWithAnimatedScreenSpaceTransform) {
// This test verifies that a scrolling layer whose screen space transform is
// animating doesn't get snapped to integer coordinates.
//
// Virtual layer hierarchy:
// + root
// + animated layer
// + surface
// + container
// + scroller
//
LayerImpl* root = root_layer();
LayerImpl* animated_layer = AddLayer<FakePictureLayerImpl>();
LayerImpl* surface = AddLayer<LayerImpl>();
LayerImpl* container = AddLayer<LayerImpl>();
LayerImpl* scroller = AddLayer<LayerImpl>();
SetElementIdsForTesting();
root->SetBounds(gfx::Size(50, 50));
gfx::Transform start_scale;
start_scale.Scale(1.5f, 1.5f);
animated_layer->SetBounds(gfx::Size(50, 50));
CopyProperties(root, animated_layer);
CreateTransformNode(animated_layer).local = start_scale;
surface->SetBounds(gfx::Size(50, 50));
CopyProperties(animated_layer, surface);
CreateEffectNode(surface).render_surface_reason = RenderSurfaceReason::kTest;
container->SetBounds(gfx::Size(50, 50));
CopyProperties(surface, container);
scroller->SetBounds(gfx::Size(100, 100));
scroller->SetScrollable(container->bounds());
scroller->SetDrawsContent(true);
CopyProperties(container, scroller);
CreateTransformNode(scroller);
CreateScrollNode(scroller);
gfx::Transform end_scale;
end_scale.Scale(2.f, 2.f);
TransformOperations start_operations;
start_operations.AppendMatrix(start_scale);
TransformOperations end_operations;
end_operations.AppendMatrix(end_scale);
AddAnimatedTransformToElementWithAnimation(animated_layer->element_id(),
timeline_impl(), 1.0,
start_operations, end_operations);
gfx::Vector2dF scroll_delta(5.f, 9.f);
SetScrollOffsetDelta(scroller, scroll_delta);
UpdateActiveTreeDrawProperties();
gfx::Vector2dF expected_draw_transform_translation(-7.5f, -13.5f);
EXPECT_VECTOR2DF_EQ(expected_draw_transform_translation,
scroller->DrawTransform().To2dTranslation());
}
TEST_F(DrawPropertiesTest, ScrollSnappingWithScrollChild) {
// This test verifies that a scrolling child of a scrolling layer doesn't get
// snapped to integer coordinates.
//
// Virtual layer hierarchy:
// + root
// + container
// + scroller
// + scroll_child (transform parent is scroller)
//
LayerImpl* root = root_layer();
LayerImpl* container = AddLayer<LayerImpl>();
LayerImpl* scroller = AddLayer<LayerImpl>();
LayerImpl* scroll_child = AddLayer<LayerImpl>();
SetElementIdsForTesting();
root->SetBounds(gfx::Size(50, 50));
container->SetBounds(gfx::Size(50, 50));
CopyProperties(root, container);
gfx::Vector2dF container_offset(10.3f, 10.3f);
scroller->SetBounds(gfx::Size(100, 100));
scroller->SetScrollable(container->bounds());
CopyProperties(container, scroller);
CreateTransformNode(scroller).post_translation = container_offset;
CreateScrollNode(scroller);
scroll_child->SetBounds(gfx::Size(10, 10));
CopyProperties(root, scroll_child);
auto& scroll_child_transform =
CreateTransformNode(scroll_child, scroller->transform_tree_index());
scroll_child_transform.local.RotateAboutYAxis(30);
scroll_child_transform.post_translation = -container_offset;
gfx::Vector2dF scroll_delta(5.f, 9.f);
SetScrollOffsetDelta(scroller, scroll_delta);
UpdateActiveTreeDrawProperties();
gfx::Vector2dF expected_scroller_screen_space_transform_translation(5.f, 1.f);
EXPECT_VECTOR2DF_EQ(expected_scroller_screen_space_transform_translation,
scroller->ScreenSpaceTransform().To2dTranslation());
gfx::Transform expected_scroll_child_screen_space_transform;
expected_scroll_child_screen_space_transform.Translate(-5.3f, -9.3f);
expected_scroll_child_screen_space_transform.RotateAboutYAxis(30);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected_scroll_child_screen_space_transform,
scroll_child->ScreenSpaceTransform());
}
class DrawPropertiesStickyPositionTest : public DrawPropertiesTest {
protected:
// Setup layers and property trees.
// Virtual layer hierarchy:
// + root
// + container
// + scroller
// + sticky_pos
void CreateTree() {
CreateRootAndScroller();
sticky_pos_ = CreateSticky(scroller_.get());
}
void CreateRootAndScroller() {
root_ = Layer::Create();
container_ = Layer::Create();
scroller_ = Layer::Create();
scroller_->SetElementId(LayerIdToElementIdForTesting(scroller_->id()));
root_->SetBounds(gfx::Size(100, 100));
host()->SetRootLayer(root_);
SetupRootProperties(root_.get());
container_->SetBounds(gfx::Size(100, 100));
CopyProperties(root_.get(), container_.get());
root_->AddChild(container_);
scroller_->SetBounds(gfx::Size(1000, 1000));
scroller_->SetScrollable(container_->bounds());
CopyProperties(container_.get(), scroller_.get());
CreateTransformNode(scroller_.get());
CreateScrollNode(scroller_.get());
root_->AddChild(scroller_);
}
scoped_refptr<Layer> CreateSticky(Layer* parent) {
scoped_refptr<Layer> sticky = Layer::Create();
sticky->SetBounds(gfx::Size(10, 10));
CopyProperties(parent, sticky.get());
CreateTransformNode(sticky.get());
EnsureStickyData(sticky.get()).scroll_ancestor =
parent->scroll_tree_index();
root_->AddChild(sticky);
return sticky;
}
void CommitAndUpdateImplPointers() {
UpdateMainDrawProperties();
host_impl()->CreatePendingTree();
host()->CommitAndCreatePendingTree();
host_impl()->ActivateSyncTree();
LayerTreeImpl* layer_tree_impl = host_impl()->active_tree();
root_impl_ = layer_tree_impl->LayerById(root_->id());
scroller_impl_ = layer_tree_impl->LayerById(scroller_->id());
sticky_pos_impl_ = layer_tree_impl->LayerById(sticky_pos_->id());
}
StickyPositionNodeData& EnsureStickyData(Layer* layer) {
return GetPropertyTrees(layer)->transform_tree.EnsureStickyPositionData(
layer->transform_tree_index());
}
scoped_refptr<Layer> root_;
scoped_refptr<Layer> container_;
scoped_refptr<Layer> scroller_;
scoped_refptr<Layer> sticky_pos_;
LayerImpl* root_impl_;
LayerImpl* scroller_impl_;
LayerImpl* sticky_pos_impl_;
};
TEST_F(DrawPropertiesStickyPositionTest, StickyPositionTop) {
CreateTree();
SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(10, 20));
auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints;
sticky_position.is_anchored_top = true;
sticky_position.top_offset = 10.0f;
sticky_position.scroll_container_relative_sticky_box_rect =
gfx::Rect(10, 20, 10, 10);
sticky_position.scroll_container_relative_containing_block_rect =
gfx::Rect(0, 0, 50, 50);
CommitAndUpdateImplPointers();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(10.f, 20.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Scroll less than sticking point, sticky element should move with scroll as
// we haven't gotten to the initial sticky item location yet.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(5.f, 5.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(5.f, 15.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Scroll past the sticking point, the Y coordinate should now be clamped.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(15.f, 15.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(-5.f, 10.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(15.f, 25.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(-5.f, 10.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Scroll past the end of the sticky container (note: this element does not
// have its own layer as it does not need to be composited).
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(15.f, 50.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(-5.f, -10.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
}
TEST_F(DrawPropertiesStickyPositionTest, StickyPositionSubpixelScroll) {
CreateTree();
SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(0, 200));
auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints;
sticky_position.is_anchored_bottom = true;
sticky_position.bottom_offset = 10.0f;
sticky_position.constraint_box_rect = gfx::Rect(0, 0, 100, 100);
sticky_position.scroll_container_relative_sticky_box_rect =
gfx::Rect(0, 200, 10, 10);
sticky_position.scroll_container_relative_containing_block_rect =
gfx::Rect(0, 0, 100, 500);
CommitAndUpdateImplPointers();
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 0.8f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 80.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
}
TEST_F(DrawPropertiesStickyPositionTest, StickyPositionBottom) {
CreateTree();
SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(0, 150));
auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints;
sticky_position.is_anchored_bottom = true;
sticky_position.bottom_offset = 10.0f;
sticky_position.constraint_box_rect = gfx::Rect(0, 0, 100, 100);
sticky_position.scroll_container_relative_sticky_box_rect =
gfx::Rect(0, 150, 10, 10);
sticky_position.scroll_container_relative_containing_block_rect =
gfx::Rect(0, 100, 50, 50);
CommitAndUpdateImplPointers();
// Initially the sticky element is moved up to the top of the container.
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 100.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 5.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 95.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Once we get past the top of the container it moves to be aligned 10px
// up from the the bottom of the scroller.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 25.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 80.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 30.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 80.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Once we scroll past its initial location, it sticks there.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 150.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 0.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
}
TEST_F(DrawPropertiesStickyPositionTest,
StickyPositionBottomOuterViewportDelta) {
CreateTree();
GetScrollNode(scroller_.get())->scrolls_outer_viewport = true;
SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(0, 70));
GetPropertyTrees(sticky_pos_.get())
->transform_tree.AddNodeAffectedByOuterViewportBoundsDelta(
sticky_pos_->transform_tree_index());
auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints;
sticky_position.is_anchored_bottom = true;
sticky_position.bottom_offset = 10.0f;
sticky_position.constraint_box_rect = gfx::Rect(0, 0, 100, 100);
sticky_position.scroll_container_relative_sticky_box_rect =
gfx::Rect(0, 70, 10, 10);
sticky_position.scroll_container_relative_containing_block_rect =
gfx::Rect(0, 60, 100, 100);
CommitAndUpdateImplPointers();
// Initially the sticky element is moved to the bottom of the container.
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 70.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// We start to hide the toolbar, but not far enough that the sticky element
// should be moved up yet.
GetPropertyTrees(scroller_impl_)
->SetOuterViewportContainerBoundsDelta(gfx::Vector2dF(0.f, -10.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 70.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// On hiding more of the toolbar the sticky element starts to stick.
GetPropertyTrees(scroller_impl_)
->SetOuterViewportContainerBoundsDelta(gfx::Vector2dF(0.f, -20.f));
UpdateActiveTreeDrawProperties();
// On hiding more the sticky element stops moving as it has reached its
// limit.
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 60.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
GetPropertyTrees(scroller_impl_)
->SetOuterViewportContainerBoundsDelta(gfx::Vector2dF(0.f, -30.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 60.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
}
TEST_F(DrawPropertiesStickyPositionTest, StickyPositionLeftRight) {
CreateTree();
SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(145, 0));
auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints;
sticky_position.is_anchored_left = true;
sticky_position.is_anchored_right = true;
sticky_position.left_offset = 10.0f;
sticky_position.right_offset = 10.0f;
sticky_position.constraint_box_rect = gfx::Rect(0, 0, 100, 100);
sticky_position.scroll_container_relative_sticky_box_rect =
gfx::Rect(145, 0, 10, 10);
sticky_position.scroll_container_relative_containing_block_rect =
gfx::Rect(100, 0, 100, 100);
CommitAndUpdateImplPointers();
// Initially the sticky element is moved the leftmost side of the container.
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(100.f, 0.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(5.f, 0.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(95.f, 0.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Once we get past the left side of the container it moves to be aligned 10px
// up from the the right of the scroller.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(25.f, 0.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(80.f, 0.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(30.f, 0.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(80.f, 0.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// When we get to the sticky element's original position we stop sticking
// to the right.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(95.f, 0.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(50.f, 0.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(105.f, 0.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(40.f, 0.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// The element starts sticking to the left once we scroll far enough.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(150.f, 0.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(10.f, 0.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(155.f, 0.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(10.f, 0.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Finally it stops sticking when it hits the right side of the container.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(190.f, 0.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 0.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(195.f, 0.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(-5.f, 0.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
}
// This test ensures that the compositor sticky position code correctly accounts
// for the element having been given a position from the main thread sticky
// position code.
TEST_F(DrawPropertiesStickyPositionTest, StickyPositionMainThreadUpdates) {
CreateTree();
SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(10, 20));
auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints;
sticky_position.is_anchored_top = true;
sticky_position.top_offset = 10.0f;
sticky_position.scroll_container_relative_sticky_box_rect =
gfx::Rect(10, 20, 10, 10);
sticky_position.scroll_container_relative_containing_block_rect =
gfx::Rect(0, 0, 50, 50);
CommitAndUpdateImplPointers();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(10.f, 20.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Scroll less than sticking point, sticky element should move with scroll as
// we haven't gotten to the initial sticky item location yet.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(5.f, 5.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(5.f, 15.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Scroll past the sticking point, the Y coordinate should now be clamped.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(15.f, 15.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(-5.f, 10.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Now the main thread commits the new position of the sticky element.
SetScrollOffset(scroller_.get(), gfx::ScrollOffset(15, 15));
// Shift the layer by -offset_for_position_sticky.
SetPostTranslation(sticky_pos_.get(),
gfx::PointF(10, 25) - gfx::PointF(0, 5));
GetPropertyTrees(scroller_.get())->transform_tree.set_needs_update(true);
CommitAndUpdateImplPointers();
// The element should still be where it was before. We reset the delta to
// (0, 0) because we have synced a scroll offset of (15, 15) from the main
// thread.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 0.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(-5.f, 10.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// And if we scroll a little further it remains there.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 10.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(-5.f, 10.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
}
// This tests the main thread updates with a composited sticky container. In
// this case the position received from main is relative to the container but
// the constraint rects are relative to the ancestor scroller.
TEST_F(DrawPropertiesStickyPositionTest, StickyPositionCompositedContainer) {
CreateRootAndScroller();
scoped_refptr<Layer> sticky_container = Layer::Create();
sticky_container->SetBounds(gfx::Size(30, 30));
sticky_container->SetOffsetToTransformParent(gfx::Vector2dF(20, 20));
CopyProperties(scroller_.get(), sticky_container.get());
root_->AddChild(sticky_container);
sticky_pos_ = CreateSticky(sticky_container.get());
SetPostTranslation(
sticky_pos_.get(),
gfx::Vector2dF(0, 10) + sticky_container->offset_to_transform_parent());
auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints;
sticky_position.is_anchored_top = true;
sticky_position.top_offset = 10.0f;
sticky_position.scroll_container_relative_sticky_box_rect =
gfx::Rect(20, 30, 10, 10);
sticky_position.scroll_container_relative_containing_block_rect =
gfx::Rect(20, 20, 30, 30);
CommitAndUpdateImplPointers();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(20.f, 30.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Scroll less than sticking point, sticky element should move with scroll as
// we haven't gotten to the initial sticky item location yet.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 5.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(20.f, 25.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Scroll past the sticking point, the Y coordinate should now be clamped.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 25.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(20.f, 10.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Now the main thread commits the new position of the sticky element.
SetScrollOffset(scroller_.get(), gfx::ScrollOffset(0, 25));
// Shift the layer by -offset_for_position_sticky.
SetPostTranslation(sticky_pos_.get(),
gfx::PointF(0, 15) - gfx::PointF(0, 5) +
sticky_container->offset_to_transform_parent());
CommitAndUpdateImplPointers();
// The element should still be where it was before. We reset the delta to
// (0, 0) because we have synced a scroll offset of (0, 25) from the main
// thread.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 0.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(20.f, 10.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// And if we scroll a little further it remains there.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 5.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(20.f, 10.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// And hits the bottom of the container.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 10.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(20.f, 5.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
}
// A transform on a sticky element should not affect its sticky position.
TEST_F(DrawPropertiesStickyPositionTest, StickyPositionScaledStickyBox) {
CreateTree();
SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(0, 20));
gfx::Transform scale;
scale.Scale(2, 2);
SetTransform(sticky_pos_.get(), scale);
auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints;
sticky_position.is_anchored_top = true;
sticky_position.top_offset = 0.0f;
sticky_position.scroll_container_relative_sticky_box_rect =
gfx::Rect(0, 20, 10, 10);
sticky_position.scroll_container_relative_containing_block_rect =
gfx::Rect(0, 0, 50, 50);
CommitAndUpdateImplPointers();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 20.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Scroll less than sticking point, sticky element should move with scroll as
// we haven't gotten to the initial sticky item location yet.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 15.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 5.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Scroll past the sticking point, the box is positioned at the scroller
// edge.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 25.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 0.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 30.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 0.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Scroll past the end of the sticky container.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 50.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, -10.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
}
// Tests that a transform does not affect the sticking points. The sticky
// element will however move relative to the viewport due to its transform.
TEST_F(DrawPropertiesStickyPositionTest, StickyPositionScaledContainer) {
CreateRootAndScroller();
scoped_refptr<Layer> sticky_container = Layer::Create();
sticky_container->SetBounds(gfx::Size(50, 50));
CopyProperties(scroller_.get(), sticky_container.get());
CreateTransformNode(sticky_container.get()).local.Scale(2, 2);
root_->AddChild(sticky_container);
sticky_pos_ = CreateSticky(sticky_container.get());
SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(0, 20));
auto& sticky_position = EnsureStickyData(sticky_pos_.get()).constraints;
sticky_position.is_anchored_top = true;
sticky_position.top_offset = 0.0f;
sticky_position.scroll_container_relative_sticky_box_rect =
gfx::Rect(0, 20, 10, 10);
sticky_position.scroll_container_relative_containing_block_rect =
gfx::Rect(0, 0, 50, 50);
CommitAndUpdateImplPointers();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 40.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Scroll less than sticking point, sticky element should move with scroll as
// we haven't gotten to the initial sticky item location yet.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 15.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 25.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Scroll past the sticking point, the box is positioned at the scroller
// edge but is also scaled by its container so it begins to move down.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 25.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 25.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 30.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 30.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
// Scroll past the end of the sticky container.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 50.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 30.f),
sticky_pos_impl_->ScreenSpaceTransform().To2dTranslation());
}
TEST_F(DrawPropertiesStickyPositionTest, StickyPositionNested) {
CreateTree();
SetPostTranslation(sticky_pos_.get(), gfx::Vector2dF(0, 50));
auto& outer_sticky_pos = EnsureStickyData(sticky_pos_.get()).constraints;
outer_sticky_pos.is_anchored_top = true;
outer_sticky_pos.top_offset = 10.0f;
outer_sticky_pos.scroll_container_relative_sticky_box_rect =
gfx::Rect(0, 50, 10, 50);
outer_sticky_pos.scroll_container_relative_containing_block_rect =
gfx::Rect(0, 0, 50, 400);
scoped_refptr<Layer> inner_sticky = CreateSticky(sticky_pos_.get());
auto& inner_sticky_pos = EnsureStickyData(inner_sticky.get()).constraints;
inner_sticky_pos.is_anchored_top = true;
inner_sticky_pos.top_offset = 25.0f;
inner_sticky_pos.scroll_container_relative_sticky_box_rect =
gfx::Rect(0, 50, 10, 10);
inner_sticky_pos.scroll_container_relative_containing_block_rect =
gfx::Rect(0, 50, 10, 50);
EnsureStickyData(inner_sticky.get()).nearest_node_shifting_containing_block =
sticky_pos_->transform_tree_index();
CommitAndUpdateImplPointers();
LayerTreeImpl* layer_tree_impl = host()->host_impl()->active_tree();
LayerImpl* outer_sticky_impl = sticky_pos_impl_;
LayerImpl* inner_sticky_impl = layer_tree_impl->LayerById(inner_sticky->id());
// Before any scrolling is done, the sticky elements should still be at their
// original positions.
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 50.f),
outer_sticky_impl->ScreenSpaceTransform().To2dTranslation());
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 50.f),
inner_sticky_impl->ScreenSpaceTransform().To2dTranslation());
// Scroll less than the sticking point. Both sticky elements should move with
// scroll as we haven't gotten to the sticky item locations yet.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 5.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 45.f),
outer_sticky_impl->ScreenSpaceTransform().To2dTranslation());
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 45.f),
inner_sticky_impl->ScreenSpaceTransform().To2dTranslation());
// Scroll such that the inner sticky should stick, but the outer one should
// keep going as it hasn't reached its position yet.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 30.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 20.f),
outer_sticky_impl->ScreenSpaceTransform().To2dTranslation());
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 25.f),
inner_sticky_impl->ScreenSpaceTransform().To2dTranslation());
// Keep going, both should stick.
SetScrollOffsetDelta(scroller_impl_, gfx::Vector2dF(0.f, 100.f));
UpdateActiveTreeDrawProperties();
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 10.f),
outer_sticky_impl->ScreenSpaceTransform().To2dTranslation());
EXPECT_VECTOR2DF_EQ(
gfx::Vector2dF(0.f, 25.f),
inner_sticky_impl->ScreenSpaceTransform().To2dTranslation());
}
class AnimationScaleFactorTrackingLayerImpl : public LayerImpl {
public:
static std::unique_ptr<AnimationScaleFactorTrackingLayerImpl> Create(
LayerTreeImpl* tree_impl,
int id) {
return base::WrapUnique(
new AnimationScaleFactorTrackingLayerImpl(tree_impl, id));
}
~AnimationScaleFactorTrackingLayerImpl() override = default;
private:
explicit AnimationScaleFactorTrackingLayerImpl(LayerTreeImpl* tree_impl,
int id)
: LayerImpl(tree_impl, id) {
SetDrawsContent(true);
}
};
TEST_F(DrawPropertiesTest, MaximumAnimationScaleFactor) {
LayerImpl* root = root_layer();
auto* grand_parent = AddLayer<AnimationScaleFactorTrackingLayerImpl>();
auto* parent = AddLayer<AnimationScaleFactorTrackingLayerImpl>();
auto* child = AddLayer<AnimationScaleFactorTrackingLayerImpl>();
auto* grand_child = AddLayer<AnimationScaleFactorTrackingLayerImpl>();
SetElementIdsForTesting();
root->SetBounds(gfx::Size(1, 2));
grand_parent->SetBounds(gfx::Size(1, 2));
parent->SetBounds(gfx::Size(1, 2));
child->SetBounds(gfx::Size(1, 2));
grand_child->SetBounds(gfx::Size(1, 2));
CopyProperties(root, grand_parent);
CreateTransformNode(grand_parent);
CopyProperties(grand_parent, parent);
CreateTransformNode(parent);
CopyProperties(parent, child);
CreateTransformNode(child);
CopyProperties(child, grand_child);
CreateTransformNode(grand_child);
UpdateActiveTreeDrawProperties();
// No layers have animations.
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child));
TransformOperations translation;
translation.AppendTranslate(1.f, 2.f, 3.f);
scoped_refptr<SingleKeyframeEffectAnimation> grand_parent_animation =
SingleKeyframeEffectAnimation::Create(
AnimationIdProvider::NextAnimationId());
timeline_impl()->AttachAnimation(grand_parent_animation);
grand_parent_animation->AttachElement(grand_parent->element_id());
scoped_refptr<SingleKeyframeEffectAnimation> parent_animation =
SingleKeyframeEffectAnimation::Create(
AnimationIdProvider::NextAnimationId());
timeline_impl()->AttachAnimation(parent_animation);
parent_animation->AttachElement(parent->element_id());
scoped_refptr<SingleKeyframeEffectAnimation> child_animation =
SingleKeyframeEffectAnimation::Create(
AnimationIdProvider::NextAnimationId());
timeline_impl()->AttachAnimation(child_animation);
child_animation->AttachElement(child->element_id());
scoped_refptr<SingleKeyframeEffectAnimation> grand_child_animation =
SingleKeyframeEffectAnimation::Create(
AnimationIdProvider::NextAnimationId());
timeline_impl()->AttachAnimation(grand_child_animation);
grand_child_animation->AttachElement(grand_child->element_id());
AddAnimatedTransformToAnimation(parent_animation.get(), 1.0,
TransformOperations(), translation);
// No layers have scale-affecting animations.
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child));
TransformOperations scale;
scale.AppendScale(5.f, 4.f, 3.f);
AddAnimatedTransformToAnimation(child_animation.get(), 1.0,
TransformOperations(), scale);
UpdateActiveTreeDrawProperties();
// Only |child| has a scale-affecting animation.
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent));
EXPECT_EQ(5.f, GetMaximumAnimationScale(child));
EXPECT_EQ(5.f, GetMaximumAnimationScale(grand_child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent));
EXPECT_EQ(1.f, GetStartingAnimationScale(child));
EXPECT_EQ(1.f, GetStartingAnimationScale(grand_child));
AddAnimatedTransformToAnimation(grand_parent_animation.get(), 1.0,
TransformOperations(), scale);
UpdateActiveTreeDrawProperties();
// |grand_parent| and |child| have scale-affecting animations.
EXPECT_EQ(5.f, GetMaximumAnimationScale(grand_parent));
EXPECT_EQ(5.f, GetMaximumAnimationScale(parent));
// We don't support combining animated scales from two nodes; 0.f means
// that the maximum scale could not be computed.
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child));
EXPECT_EQ(1.f, GetStartingAnimationScale(grand_parent));
EXPECT_EQ(1.f, GetStartingAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child));
AddAnimatedTransformToAnimation(parent_animation.get(), 1.0,
TransformOperations(), scale);
UpdateActiveTreeDrawProperties();
// |grand_parent|, |parent|, and |child| have scale-affecting animations.
EXPECT_EQ(5.f, GetMaximumAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child));
EXPECT_EQ(1.f, GetStartingAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child));
grand_parent_animation->AbortKeyframeModelsWithProperty(
TargetProperty::TRANSFORM, false);
parent_animation->AbortKeyframeModelsWithProperty(TargetProperty::TRANSFORM,
false);
child_animation->AbortKeyframeModelsWithProperty(TargetProperty::TRANSFORM,
false);
TransformOperations perspective;
perspective.AppendPerspective(10.f);
AddAnimatedTransformToAnimation(child_animation.get(), 1.0,
TransformOperations(), perspective);
UpdateActiveTreeDrawProperties();
// |child| has a scale-affecting animation but computing the maximum of this
// animation is not supported.
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child));
child_animation->AbortKeyframeModelsWithProperty(TargetProperty::TRANSFORM,
false);
gfx::Transform scale_matrix;
scale_matrix.Scale(1.f, 2.f);
SetTransform(grand_parent, scale_matrix);
SetTransform(parent, scale_matrix);
AddAnimatedTransformToAnimation(parent_animation.get(), 1.0,
TransformOperations(), scale);
UpdateActiveTreeDrawProperties();
// |grand_parent| and |parent| each have scale 2.f. |parent| has a scale
// animation with maximum scale 5.f.
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent));
EXPECT_EQ(10.f, GetMaximumAnimationScale(parent));
EXPECT_EQ(10.f, GetMaximumAnimationScale(child));
EXPECT_EQ(10.f, GetMaximumAnimationScale(grand_child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent));
EXPECT_EQ(2.f, GetStartingAnimationScale(parent));
EXPECT_EQ(2.f, GetStartingAnimationScale(child));
EXPECT_EQ(2.f, GetStartingAnimationScale(grand_child));
gfx::Transform perspective_matrix;
perspective_matrix.ApplyPerspectiveDepth(2.f);
SetTransform(child, perspective_matrix);
UpdateActiveTreeDrawProperties();
// |child| has a transform that's neither a translation nor a scale.
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent));
EXPECT_EQ(10.f, GetMaximumAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent));
EXPECT_EQ(2.f, GetStartingAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child));
SetTransform(parent, perspective_matrix);
UpdateActiveTreeDrawProperties();
// |parent| and |child| have transforms that are neither translations nor
// scales.
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child));
SetTransform(parent, gfx::Transform());
SetTransform(child, gfx::Transform());
SetTransform(grand_parent, perspective_matrix);
UpdateActiveTreeDrawProperties();
// |grand_parent| has a transform that's neither a translation nor a scale.
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(child));
EXPECT_EQ(kNotScaled, GetMaximumAnimationScale(grand_child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(parent));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(child));
EXPECT_EQ(kNotScaled, GetStartingAnimationScale(grand_child));
}
static void GatherDrawnLayers(LayerTreeImpl* tree_impl,
std::set<LayerImpl*>* drawn_layers) {
for (EffectTreeLayerListIterator it(tree_impl);
it.state() != EffectTreeLayerListIterator::State::END; ++it) {
if (it.state() == EffectTreeLayerListIterator::State::LAYER)
drawn_layers->insert(it.current_layer());
if (it.state() != EffectTreeLayerListIterator::State::CONTRIBUTING_SURFACE)
continue;
}
}
// Needs layer tree mode: mask layer.
TEST_F(DrawPropertiesTestWithLayerTree, RenderSurfaceLayerListMembership) {
auto root = Layer::Create();
auto grand_parent = Layer::Create();
auto parent = Layer::Create();
auto child = Layer::Create();
auto grand_child1 = Layer::Create();
auto grand_child2 = Layer::Create();
root->SetBounds(gfx::Size(1, 2));
grand_parent->SetBounds(gfx::Size(1, 2));
parent->SetBounds(gfx::Size(1, 2));
child->SetBounds(gfx::Size(1, 2));
grand_child1->SetBounds(gfx::Size(1, 2));
grand_child2->SetBounds(gfx::Size(1, 2));
child->AddChild(grand_child1);
child->AddChild(grand_child2);
parent->AddChild(child);
grand_parent->AddChild(parent);
root->AddChild(grand_parent);
host()->SetRootLayer(root);
// Start with nothing being drawn.
CommitAndActivate();
EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child2)->contributes_to_drawn_render_surface());
std::set<LayerImpl*> expected;
std::set<LayerImpl*> actual;
GatherDrawnLayers(host_impl()->active_tree(), &actual);
EXPECT_EQ(expected, actual);
// If we force render surface, but none of the layers are in the layer list,
// then this layer should not appear in RSLL.
grand_child1->SetForceRenderSurfaceForTesting(true);
CommitAndActivate();
EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child2)->contributes_to_drawn_render_surface());
expected.clear();
actual.clear();
GatherDrawnLayers(host_impl()->active_tree(), &actual);
EXPECT_EQ(expected, actual);
// However, if we say that this layer also draws content, it will appear in
// RSLL.
grand_child1->SetIsDrawable(true);
CommitAndActivate();
EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(grand_child1)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child2)->contributes_to_drawn_render_surface());
expected.clear();
expected.insert(ImplOf(grand_child1));
actual.clear();
GatherDrawnLayers(host_impl()->active_tree(), &actual);
EXPECT_EQ(expected, actual);
// Now child is forced to have a render surface, and one if its children draws
// content.
grand_child1->SetIsDrawable(false);
grand_child1->SetForceRenderSurfaceForTesting(false);
child->SetForceRenderSurfaceForTesting(true);
grand_child2->SetIsDrawable(true);
CommitAndActivate();
EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(grand_child2)->contributes_to_drawn_render_surface());
expected.clear();
expected.insert(ImplOf(grand_child2));
actual.clear();
GatherDrawnLayers(host_impl()->active_tree(), &actual);
EXPECT_EQ(expected, actual);
// Add a mask layer to child.
FakeContentLayerClient client;
auto mask = PictureLayer::Create(&client);
mask->SetBounds(child->bounds());
child->SetMaskLayer(mask);
CommitAndActivate();
EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(mask)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(grand_child2)->contributes_to_drawn_render_surface());
expected.clear();
expected.insert(ImplOf(grand_child2));
expected.insert(ImplOf(mask));
actual.clear();
GatherDrawnLayers(host_impl()->active_tree(), &actual);
EXPECT_EQ(expected, actual);
CommitAndActivate();
EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(mask)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(grand_child2)->contributes_to_drawn_render_surface());
expected.clear();
expected.insert(ImplOf(grand_child2));
expected.insert(ImplOf(mask));
actual.clear();
GatherDrawnLayers(host_impl()->active_tree(), &actual);
EXPECT_EQ(expected, actual);
// With nothing drawing, we should have no layers.
grand_child2->SetIsDrawable(false);
CommitAndActivate();
EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface());
// Mask layer has its own render surface in layer tree mode.
EXPECT_TRUE(ImplOf(mask)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child2)->contributes_to_drawn_render_surface());
expected.clear();
expected.insert(ImplOf(mask));
actual.clear();
GatherDrawnLayers(host_impl()->active_tree(), &actual);
EXPECT_EQ(expected, actual);
// When the child is drawable, both the child and the mask should be in the
// render surface list.
child->SetIsDrawable(true);
CommitAndActivate();
EXPECT_FALSE(ImplOf(grand_parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(parent)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(child)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(mask)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child1)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(grand_child2)->contributes_to_drawn_render_surface());
expected.clear();
expected.insert(ImplOf(child));
expected.insert(ImplOf(mask));
actual.clear();
GatherDrawnLayers(host_impl()->active_tree(), &actual);
EXPECT_EQ(expected, actual);
child->SetMaskLayer(nullptr);
// Now everyone's a member!
grand_parent->SetIsDrawable(true);
parent->SetIsDrawable(true);
child->SetIsDrawable(true);
grand_child1->SetIsDrawable(true);
grand_child2->SetIsDrawable(true);
CommitAndActivate();
EXPECT_TRUE(ImplOf(grand_parent)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(parent)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(child)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(grand_child1)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(grand_child2)->contributes_to_drawn_render_surface());
expected.clear();
expected.insert(ImplOf(grand_parent));
expected.insert(ImplOf(parent));
expected.insert(ImplOf(child));
expected.insert(ImplOf(grand_child1));
expected.insert(ImplOf(grand_child2));
actual.clear();
GatherDrawnLayers(host_impl()->active_tree(), &actual);
EXPECT_EQ(expected, actual);
}
// Needs layer tree mode: mask layer.
TEST_F(DrawPropertiesTestWithLayerTree, DrawPropertyDeviceScale) {
auto root = Layer::Create();
auto child1 = Layer::Create();
auto child2 = Layer::Create();
gfx::Transform scale_transform_child1, scale_transform_child2;
scale_transform_child1.Scale(2, 3);
scale_transform_child2.Scale(4, 5);
root->SetBounds(gfx::Size(1, 1));
root->SetIsDrawable(true);
child1->SetTransform(scale_transform_child1);
child1->SetBounds(gfx::Size(1, 1));
child1->SetIsDrawable(true);
FakeContentLayerClient client;
auto mask = PictureLayer::Create(&client);
mask->SetBounds(child1->bounds());
child1->SetMaskLayer(mask);
root->AddChild(child1);
root->AddChild(child2);
host()->SetRootLayer(root);
host()->SetElementIdsForTesting();
TransformOperations scale;
scale.AppendScale(5.f, 8.f, 3.f);
child2->SetTransform(scale_transform_child2);
child2->SetBounds(gfx::Size(1, 1));
child2->SetIsDrawable(true);
AddAnimatedTransformToElementWithAnimation(child2->element_id(), timeline(),
1.0, TransformOperations(), scale);
CommitAndActivate();
EXPECT_FLOAT_EQ(1.f, ImplOf(root)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(3.f, ImplOf(child1)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(3.f, ImplOf(mask)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(5.f, ImplOf(child2)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(root)));
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(child1)));
EXPECT_FLOAT_EQ(8.f, GetMaximumAnimationScale(ImplOf(child2)));
// Changing device-scale would affect ideal_contents_scale and
// maximum_animation_contents_scale.
float device_scale_factor = 4.0f;
CommitAndActivate(device_scale_factor);
EXPECT_FLOAT_EQ(4.f, ImplOf(root)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(12.f, ImplOf(child1)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(12.f, ImplOf(mask)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(20.f, ImplOf(child2)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(root)));
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(child1)));
EXPECT_FLOAT_EQ(32.f, GetMaximumAnimationScale(ImplOf(child2)));
}
TEST_F(DrawPropertiesTest, DrawPropertyScales) {
auto root = Layer::Create();
auto page_scale = Layer::Create();
auto child1 = Layer::Create();
auto child2 = Layer::Create();
gfx::Transform scale_transform_child1, scale_transform_child2;
scale_transform_child1.Scale(2, 3);
scale_transform_child2.Scale(4, 5);
root->SetBounds(gfx::Size(1, 1));
root->SetIsDrawable(true);
child1->SetBounds(gfx::Size(1, 1));
child1->SetIsDrawable(true);
child2->SetBounds(gfx::Size(1, 1));
child2->SetIsDrawable(true);
root->AddChild(child1);
root->AddChild(child2);
root->AddChild(page_scale);
host()->SetRootLayer(root);
host()->SetElementIdsForTesting();
SetupRootProperties(root.get());
CopyProperties(root.get(), page_scale.get());
CreateTransformNode(page_scale.get());
CopyProperties(page_scale.get(), child1.get());
CreateTransformNode(child1.get()).local = scale_transform_child1;
CopyProperties(page_scale.get(), child2.get());
CreateTransformNode(child2.get()).local = scale_transform_child2;
LayerTreeHost::ViewportPropertyIds viewport_property_ids;
viewport_property_ids.page_scale_transform =
page_scale->transform_tree_index();
host()->RegisterViewportPropertyIds(viewport_property_ids);
TransformOperations scale;
scale.AppendScale(5.f, 8.f, 3.f);
AddAnimatedTransformToElementWithAnimation(child2->element_id(), timeline(),
1.0, TransformOperations(), scale);
CommitAndActivate();
EXPECT_FLOAT_EQ(1.f, ImplOf(root)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(1.f, ImplOf(page_scale)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(3.f, ImplOf(child1)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(5.f, ImplOf(child2)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(root)));
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(page_scale)));
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(child1)));
EXPECT_FLOAT_EQ(8.f, GetMaximumAnimationScale(ImplOf(child2)));
// Changing page-scale would affect ideal_contents_scale and
// maximum_animation_contents_scale.
float device_scale_factor = 1.0f;
host()->SetPageScaleFactorAndLimits(3.f, 3.f, 3.f);
CommitAndActivate();
EXPECT_FLOAT_EQ(1.f, ImplOf(root)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(3.f, ImplOf(page_scale)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(9.f, ImplOf(child1)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(15.f, ImplOf(child2)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(root)));
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(page_scale)));
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(child1)));
EXPECT_FLOAT_EQ(24.f, GetMaximumAnimationScale(ImplOf(child2)));
// Changing device-scale would affect ideal_contents_scale and
// maximum_animation_contents_scale.
device_scale_factor = 4.0f;
CommitAndActivate(device_scale_factor);
EXPECT_FLOAT_EQ(4.f, ImplOf(root)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(12.f, ImplOf(page_scale)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(36.f, ImplOf(child1)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(60.f, ImplOf(child2)->GetIdealContentsScale());
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(root)));
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(page_scale)));
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(ImplOf(child1)));
EXPECT_FLOAT_EQ(96.f, GetMaximumAnimationScale(ImplOf(child2)));
}
TEST_F(DrawPropertiesTest, AnimationScales) {
LayerImpl* root = root_layer();
auto* child1 = AddLayer<LayerImpl>();
auto* child2 = AddLayer<LayerImpl>();
SetElementIdsForTesting();
gfx::Transform scale_transform_child1, scale_transform_child2;
scale_transform_child1.Scale(2, 3);
scale_transform_child2.Scale(4, 5);
root->SetBounds(gfx::Size(1, 1));
child1->SetBounds(gfx::Size(1, 1));
child2->SetBounds(gfx::Size(1, 1));
CopyProperties(root, child1);
CreateTransformNode(child1).local = scale_transform_child1;
CopyProperties(child1, child2);
CreateTransformNode(child2).local = scale_transform_child2;
TransformOperations scale;
scale.AppendScale(5.f, 8.f, 3.f);
AddAnimatedTransformToElementWithAnimation(
child2->element_id(), timeline_impl(), 1.0, TransformOperations(), scale);
UpdateActiveTreeDrawProperties();
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(root));
EXPECT_FLOAT_EQ(kNotScaled, GetMaximumAnimationScale(child1));
EXPECT_FLOAT_EQ(24.f, GetMaximumAnimationScale(child2));
EXPECT_FLOAT_EQ(kNotScaled, GetStartingAnimationScale(root));
EXPECT_FLOAT_EQ(kNotScaled, GetStartingAnimationScale(child1));
EXPECT_FLOAT_EQ(3.f, GetStartingAnimationScale(child2));
// Correctly updates animation scale when layer property changes.
SetTransform(child1, gfx::Transform());
root->layer_tree_impl()->SetTransformMutated(child1->element_id(),
gfx::Transform());
UpdateActiveTreeDrawProperties();
EXPECT_FLOAT_EQ(8.f, GetMaximumAnimationScale(child2));
EXPECT_FLOAT_EQ(1.f, GetStartingAnimationScale(child2));
// Do not update animation scale if already updated.
host_impl()->active_tree()->property_trees()->SetAnimationScalesForTesting(
child2->transform_tree_index(), 100.f, 100.f);
EXPECT_FLOAT_EQ(100.f, GetMaximumAnimationScale(child2));
EXPECT_FLOAT_EQ(100.f, GetStartingAnimationScale(child2));
}
TEST_F(DrawPropertiesTest, VisibleContentRectInChildRenderSurface) {
LayerImpl* root = root_layer();
LayerImpl* clip = AddLayer<LayerImpl>();
LayerImpl* content = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(768 / 2, 3000));
root->SetDrawsContent(true);
clip->SetBounds(gfx::Size(768 / 2, 10000));
clip->SetMasksToBounds(true);
content->SetBounds(gfx::Size(768 / 2, 10000));
content->SetDrawsContent(true);
CopyProperties(root, clip);
CreateClipNode(clip);
CopyProperties(clip, content);
CreateEffectNode(content).render_surface_reason = RenderSurfaceReason::kTest;
// Not calling UpdateActiveTreeDrawProperties() because we want to set a
// special device viewport rect.
host_impl()->active_tree()->SetDeviceViewportRect(gfx::Rect(768, 582));
float device_scale_factor = 2.f;
host_impl()->active_tree()->SetDeviceScaleFactor(device_scale_factor);
UpdateDrawProperties(host_impl()->active_tree());
// Layers in the root render surface have their visible content rect clipped
// by the viewport.
EXPECT_EQ(gfx::Rect(768 / device_scale_factor, 582 / device_scale_factor),
root->visible_layer_rect());
// Layers drawing to a child render surface should still have their visible
// content rect clipped by the viewport.
EXPECT_EQ(gfx::Rect(768 / device_scale_factor, 582 / device_scale_factor),
content->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, ViewportBoundsDeltaAffectVisibleContentRect) {
gfx::Size container_size = gfx::Size(300, 500);
gfx::Size scroll_size = gfx::Size(300, 1000);
// Device viewport accomidated the root and the browser controls.
gfx::Rect device_viewport_rect = gfx::Rect(300, 600);
LayerTreeImpl* active_tree = host_impl()->active_tree();
active_tree->SetDeviceViewportRect(device_viewport_rect);
active_tree->set_browser_controls_shrink_blink_size(true);
active_tree->SetTopControlsHeight(50);
active_tree->PushPageScaleFromMainThread(1.0f, 1.0f, 1.0f);
LayerImpl* root = root_layer();
root->SetBounds(device_viewport_rect.size());
SetupViewport(root, container_size, scroll_size);
LayerImpl* scroll_layer = InnerViewportScrollLayer();
scroll_layer->SetDrawsContent(true);
active_tree->SetCurrentBrowserControlsShownRatio(1.0f, 1.0f);
active_tree->UpdateViewportContainerSizes();
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(container_size), scroll_layer->visible_layer_rect());
active_tree->SetCurrentBrowserControlsShownRatio(0.0f, 0.0f);
active_tree->UpdateViewportContainerSizes();
UpdateActiveTreeDrawProperties();
gfx::Rect affected_by_delta(container_size.width(),
container_size.height() + 50);
EXPECT_EQ(affected_by_delta, scroll_layer->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, VisibleContentRectForAnimatedLayer) {
host_impl()->CreatePendingTree();
LayerImpl* root = EnsureRootLayerInPendingTree();
LayerImpl* animated = AddLayerInPendingTree<LayerImpl>();
animated->SetDrawsContent(true);
host_impl()->pending_tree()->SetElementIdsForTesting();
root->SetBounds(gfx::Size(100, 100));
animated->SetBounds(gfx::Size(20, 20));
CopyProperties(root, animated);
CreateEffectNode(animated).opacity = 0.f;
AddOpacityTransitionToElementWithAnimation(
animated->element_id(), timeline_impl(), 10.0, 0.f, 1.f, false);
UpdatePendingTreeDrawProperties();
EXPECT_FALSE(animated->visible_layer_rect().IsEmpty());
}
TEST_F(DrawPropertiesTest,
VisibleContentRectForAnimatedLayerWithSingularTransform) {
host_impl()->CreatePendingTree();
LayerImpl* root = EnsureRootLayerInPendingTree();
LayerImpl* clip = AddLayerInPendingTree<LayerImpl>();
LayerImpl* animated = AddLayerInPendingTree<LayerImpl>();
LayerImpl* surface = AddLayerInPendingTree<LayerImpl>();
LayerImpl* descendant_of_keyframe_model = AddLayerInPendingTree<LayerImpl>();
host_impl()->pending_tree()->SetElementIdsForTesting();
root->SetDrawsContent(true);
animated->SetDrawsContent(true);
surface->SetDrawsContent(true);
descendant_of_keyframe_model->SetDrawsContent(true);
gfx::Transform uninvertible_matrix;
uninvertible_matrix.Scale3d(6.f, 6.f, 0.f);
root->SetBounds(gfx::Size(100, 100));
clip->SetBounds(gfx::Size(10, 10));
clip->SetMasksToBounds(true);
animated->SetBounds(gfx::Size(120, 120));
surface->SetBounds(gfx::Size(100, 100));
descendant_of_keyframe_model->SetBounds(gfx::Size(200, 200));
CopyProperties(root, clip);
CreateClipNode(clip);
CopyProperties(clip, animated);
CreateTransformNode(animated).local = uninvertible_matrix;
CopyProperties(animated, surface);
CreateTransformNode(surface);
CreateEffectNode(surface).render_surface_reason = RenderSurfaceReason::kTest;
CopyProperties(surface, descendant_of_keyframe_model);
TransformOperations start_transform_operations;
start_transform_operations.AppendMatrix(uninvertible_matrix);
TransformOperations end_transform_operations;
AddAnimatedTransformToElementWithAnimation(
animated->element_id(), timeline_impl(), 10.0, start_transform_operations,
end_transform_operations);
UpdatePendingTreeDrawProperties();
// Since animated has singular transform, it is not be part of render
// surface layer list but should be rastered.
EXPECT_FALSE(animated->contributes_to_drawn_render_surface());
EXPECT_TRUE(animated->raster_even_if_not_drawn());
// The animated layer has a singular transform and maps to a non-empty rect in
// clipped target space, so is treated as fully visible.
EXPECT_EQ(gfx::Rect(120, 120), animated->visible_layer_rect());
// The singular transform on |animated| is flattened when inherited by
// |surface|, and this happens to make it invertible.
EXPECT_EQ(gfx::Rect(2, 2), surface->visible_layer_rect());
EXPECT_EQ(gfx::Rect(2, 2),
descendant_of_keyframe_model->visible_layer_rect());
gfx::Transform zero_matrix;
zero_matrix.Scale3d(0.f, 0.f, 0.f);
root->layer_tree_impl()->SetTransformMutated(animated->element_id(),
zero_matrix);
UpdatePendingTreeDrawProperties();
// The animated layer will be treated as fully visible when we combine clips
// in screen space.
EXPECT_EQ(gfx::Rect(120, 120), animated->visible_layer_rect());
// This time, flattening does not make |animated|'s transform invertible. This
// means the clip cannot be projected into |surface|'s space, so we treat
// |surface| and layers that draw into it as having empty visible rect.
EXPECT_EQ(gfx::Rect(100, 100), surface->visible_layer_rect());
EXPECT_EQ(gfx::Rect(200, 200),
descendant_of_keyframe_model->visible_layer_rect());
host_impl()->ActivateSyncTree();
LayerImpl* active_root = host_impl()->active_tree()->LayerById(root->id());
UpdateActiveTreeDrawProperties();
// Since the animated has singular transform, it is not be part of render
// surface layer list.
LayerImpl* active_animated =
host_impl()->active_tree()->LayerById(animated->id());
EXPECT_TRUE(active_root->contributes_to_drawn_render_surface());
EXPECT_FALSE(active_animated->contributes_to_drawn_render_surface());
// Since animated has singular transform, it is not be part of render
// surface layer list but should be rastered.
EXPECT_TRUE(animated->raster_even_if_not_drawn());
EXPECT_EQ(gfx::Rect(120, 120), active_animated->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, ChangeTransformOrigin) {
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
gfx::Transform scale_matrix;
scale_matrix.Scale(2.f, 2.f);
root->SetBounds(gfx::Size(100, 100));
root->SetDrawsContent(true);
child->SetBounds(gfx::Size(10, 10));
child->SetDrawsContent(true);
CopyProperties(root, child);
CreateTransformNode(child).local = scale_matrix;
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(10, 10), child->visible_layer_rect());
SetTransformOrigin(child, gfx::Point3F(10.f, 10.f, 10.f));
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(5, 5, 5, 5), child->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, UpdateScrollChildPosition) {
LayerImpl* root = root_layer();
LayerImpl* scroll_parent = AddLayer<LayerImpl>();
LayerImpl* scroll_child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(50, 50));
scroll_parent->SetBounds(gfx::Size(30, 30));
scroll_parent->SetScrollable(gfx::Size(50, 50));
scroll_parent->SetElementId(
LayerIdToElementIdForTesting(scroll_parent->id()));
scroll_parent->SetDrawsContent(true);
scroll_child->SetBounds(gfx::Size(40, 40));
scroll_child->SetDrawsContent(true);
CopyProperties(root, scroll_parent);
CreateTransformNode(scroll_parent);
CreateScrollNode(scroll_parent);
CopyProperties(scroll_parent, scroll_child);
CreateTransformNode(scroll_child).local.Scale(2.f, 2.f);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(25, 25), scroll_child->visible_layer_rect());
SetScrollOffset(scroll_parent, gfx::ScrollOffset(0.f, 10.f));
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(0, 5, 25, 25), scroll_child->visible_layer_rect());
SetPostTranslation(scroll_child, gfx::Vector2dF(0, -10.f));
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(0, 10, 25, 25), scroll_child->visible_layer_rect());
}
// Needs layer tree mode: copy request. Not using impl-side PropertyTreeBuilder.
TEST_F(DrawPropertiesTestWithLayerTree, HasCopyRequestsInTargetSubtree) {
scoped_refptr<Layer> root = Layer::Create();
scoped_refptr<Layer> child1 = Layer::Create();
scoped_refptr<Layer> child2 = Layer::Create();
scoped_refptr<Layer> grandchild = Layer::Create();
scoped_refptr<Layer> greatgrandchild = Layer::Create();
root->AddChild(child1);
root->AddChild(child2);
child1->AddChild(grandchild);
grandchild->AddChild(greatgrandchild);
host()->SetRootLayer(root);
root->SetBounds(gfx::Size(1, 1));
child1->RequestCopyOfOutput(viz::CopyOutputRequest::CreateStubForTesting());
greatgrandchild->RequestCopyOfOutput(
viz::CopyOutputRequest::CreateStubForTesting());
child2->SetOpacity(0.f);
UpdateMainDrawProperties();
EXPECT_TRUE(LayerSubtreeHasCopyRequest(root.get()));
EXPECT_TRUE(LayerSubtreeHasCopyRequest(child1.get()));
EXPECT_FALSE(LayerSubtreeHasCopyRequest(child2.get()));
EXPECT_TRUE(LayerSubtreeHasCopyRequest(grandchild.get()));
EXPECT_TRUE(LayerSubtreeHasCopyRequest(greatgrandchild.get()));
}
// Needs layer tree mode: hide_layer_and_subtree, etc.
// Not using impl-side PropertyTreeBuilder.
TEST_F(DrawPropertiesTestWithLayerTree, SkippingSubtreeMain) {
FakeContentLayerClient client;
scoped_refptr<Layer> root = Layer::Create();
client.set_bounds(root->bounds());
scoped_refptr<Layer> child = Layer::Create();
child->SetIsDrawable(true);
scoped_refptr<Layer> grandchild = Layer::Create();
grandchild->SetIsDrawable(true);
scoped_refptr<FakePictureLayer> greatgrandchild(
FakePictureLayer::Create(&client));
root->SetBounds(gfx::Size(100, 100));
child->SetBounds(gfx::Size(10, 10));
grandchild->SetBounds(gfx::Size(10, 10));
greatgrandchild->SetBounds(gfx::Size(10, 10));
root->AddChild(child);
child->AddChild(grandchild);
grandchild->AddChild(greatgrandchild);
host()->SetRootLayer(root);
host()->SetElementIdsForTesting();
// Check the non-skipped case.
UpdateMainDrawProperties();
EXPECT_TRUE(UpdateLayerListContains(grandchild->id()));
// Now we will reset the visible rect from property trees for the grandchild,
// and we will configure |child| in several ways that should force the subtree
// to be skipped. The visible content rect for |grandchild| should, therefore,
// remain empty.
gfx::Transform singular;
singular.matrix().set(0, 0, 0);
child->SetTransform(singular);
UpdateMainDrawProperties();
EXPECT_FALSE(UpdateLayerListContains(grandchild->id()));
child->SetTransform(gfx::Transform());
child->SetHideLayerAndSubtree(true);
UpdateMainDrawProperties();
EXPECT_FALSE(UpdateLayerListContains(grandchild->id()));
child->SetHideLayerAndSubtree(false);
gfx::Transform zero_z_scale;
zero_z_scale.Scale3d(1, 1, 0);
child->SetTransform(zero_z_scale);
// Add a transform animation with a start delay. Now, even though |child| has
// a singular transform, the subtree should still get processed.
int keyframe_model_id = 0;
std::unique_ptr<KeyframeModel> keyframe_model = KeyframeModel::Create(
std::unique_ptr<AnimationCurve>(new FakeTransformTransition(1.0)),
keyframe_model_id, 1, TargetProperty::TRANSFORM);
keyframe_model->set_fill_mode(KeyframeModel::FillMode::NONE);
keyframe_model->set_time_offset(base::TimeDelta::FromMilliseconds(-1000));
AddKeyframeModelToElementWithAnimation(child->element_id(), timeline(),
std::move(keyframe_model));
UpdateMainDrawProperties();
EXPECT_TRUE(UpdateLayerListContains(grandchild->id()));
RemoveKeyframeModelFromElementWithExistingKeyframeEffect(
child->element_id(), timeline(), keyframe_model_id);
child->SetTransform(gfx::Transform());
child->SetOpacity(0.f);
UpdateMainDrawProperties();
EXPECT_FALSE(UpdateLayerListContains(grandchild->id()));
// Now, even though child has zero opacity, we will configure |grandchild| and
// |greatgrandchild| in several ways that should force the subtree to be
// processed anyhow.
grandchild->RequestCopyOfOutput(
viz::CopyOutputRequest::CreateStubForTesting());
UpdateMainDrawProperties();
EXPECT_TRUE(UpdateLayerListContains(grandchild->id()));
// Add an opacity animation with a start delay.
keyframe_model_id = 1;
keyframe_model = KeyframeModel::Create(
std::unique_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)),
keyframe_model_id, 1, TargetProperty::OPACITY);
keyframe_model->set_fill_mode(KeyframeModel::FillMode::NONE);
keyframe_model->set_time_offset(base::TimeDelta::FromMilliseconds(-1000));
AddKeyframeModelToElementWithExistingKeyframeEffect(
child->element_id(), timeline(), std::move(keyframe_model));
UpdateMainDrawProperties();
EXPECT_TRUE(UpdateLayerListContains(grandchild->id()));
}
// Needs layer tree mode: hide_layer_and_subtree, etc.
TEST_F(DrawPropertiesTestWithLayerTree, SkippingLayerImpl) {
auto root = Layer::Create();
host()->SetRootLayer(root);
auto parent = Layer::Create();
root->AddChild(parent);
auto child = Layer::Create();
parent->AddChild(child);
auto grandchild = Layer::Create();
child->AddChild(grandchild);
FakeContentLayerClient client;
auto greatgrandchild = PictureLayer::Create(&client);
grandchild->AddChild(greatgrandchild);
root->SetBounds(gfx::Size(100, 100));
parent->SetBounds(gfx::Size(100, 100));
child->SetBounds(gfx::Size(10, 10));
child->SetIsDrawable(true);
grandchild->SetBounds(gfx::Size(10, 10));
grandchild->SetIsDrawable(true);
greatgrandchild->SetIsDrawable(true);
host()->SetElementIdsForTesting();
// Check the non-skipped case.
CommitAndActivate();
EXPECT_EQ(gfx::Rect(10, 10), ImplOf(grandchild)->visible_layer_rect());
// Now we will reset the visible rect from property trees for the grandchild,
// and we will configure |child| in several ways that should force the subtree
// to be skipped. The visible content rect for |grandchild| should, therefore,
// remain empty.
ImplOf(grandchild)->set_visible_layer_rect(gfx::Rect());
gfx::Transform singular;
singular.matrix().set(0, 0, 0);
// This line is used to make the results of skipping and not skipping layers
// different.
singular.matrix().set(0, 1, 1);
gfx::Transform rotate;
rotate.Rotate(90);
gfx::Transform rotate_back_and_translate;
rotate_back_and_translate.RotateAboutYAxis(180);
rotate_back_and_translate.Translate(-10, 0);
child->SetTransform(singular);
CommitAndActivate();
EXPECT_EQ(gfx::Rect(0, 0), ImplOf(grandchild)->visible_layer_rect());
child->SetTransform(gfx::Transform());
child->SetHideLayerAndSubtree(true);
CommitAndActivate();
EXPECT_EQ(gfx::Rect(0, 0), ImplOf(grandchild)->visible_layer_rect());
child->SetHideLayerAndSubtree(false);
child->SetOpacity(0.f);
CommitAndActivate();
EXPECT_EQ(gfx::Rect(0, 0), ImplOf(grandchild)->visible_layer_rect());
child->SetOpacity(1.f);
parent->SetTransform(singular);
// Force transform tree to have a node for child, so that ancestor's
// invertible transform can be tested.
child->SetTransform(rotate);
CommitAndActivate();
EXPECT_EQ(gfx::Rect(0, 0), ImplOf(grandchild)->visible_layer_rect());
parent->SetTransform(gfx::Transform());
child->SetTransform(gfx::Transform());
parent->SetOpacity(0.f);
child->SetOpacity(0.7f);
CommitAndActivate();
EXPECT_EQ(gfx::Rect(0, 0), ImplOf(grandchild)->visible_layer_rect());
parent->SetOpacity(1.f);
child->SetOpacity(0.f);
// Now, even though child has zero opacity, we will configure |grandchild| and
// |greatgrandchild| in several ways that should force the subtree to be
// processed anyhow.
grandchild->RequestCopyOfOutput(
viz::CopyOutputRequest::CreateStubForTesting());
CommitAndActivate();
EXPECT_EQ(gfx::Rect(10, 10), ImplOf(grandchild)->visible_layer_rect());
GetPropertyTrees(root.get())->effect_tree.ClearCopyRequests();
child->SetOpacity(1.f);
// A double sided render surface with backface visible should not be skipped
ImplOf(grandchild)->set_visible_layer_rect(gfx::Rect());
child->SetForceRenderSurfaceForTesting(true);
child->SetDoubleSided(true);
child->SetTransform(rotate_back_and_translate);
CommitAndActivate();
EXPECT_EQ(gfx::Rect(10, 10), ImplOf(grandchild)->visible_layer_rect());
child->SetTransform(gfx::Transform());
std::unique_ptr<KeyframedTransformAnimationCurve> curve(
KeyframedTransformAnimationCurve::Create());
TransformOperations start;
start.AppendTranslate(1.f, 2.f, 3.f);
gfx::Transform transform;
transform.Scale3d(1.0, 2.0, 3.0);
TransformOperations operation;
operation.AppendMatrix(transform);
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta(), start, nullptr));
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(1.0), operation, nullptr));
std::unique_ptr<KeyframeModel> transform_animation(
KeyframeModel::Create(std::move(curve), 3, 3, TargetProperty::TRANSFORM));
scoped_refptr<SingleKeyframeEffectAnimation> animation(
SingleKeyframeEffectAnimation::Create(1));
timeline()->AttachAnimation(animation);
animation->AttachElementForKeyframeEffect(parent->element_id(),
animation->keyframe_effect()->id());
animation->AddKeyframeModel(std::move(transform_animation));
ImplOf(grandchild)->set_visible_layer_rect(gfx::Rect());
parent->SetTransform(singular);
child->SetTransform(singular);
CommitAndActivate();
EXPECT_EQ(gfx::Rect(0, 0), ImplOf(grandchild)->visible_layer_rect());
}
// This tests for correctness of an optimization. If a node in the tree
// maps all possible spaces to a single point (ie has a singular transform)
// we can ignore the size of all its children. We need to make sure that
// we don't do this if an animation can replace this transform in the
// compositor without recomputing the trees.
TEST_F(DrawPropertiesTest, LayerSkippingInSubtreeOfSingularTransform) {
// Set up a transform animation
std::unique_ptr<KeyframedTransformAnimationCurve> curve(
KeyframedTransformAnimationCurve::Create());
TransformOperations start;
start.AppendTranslate(1.f, 2.f, 3.f);
gfx::Transform transform;
transform.Scale3d(1.0, 2.0, 3.0);
TransformOperations operation;
operation.AppendMatrix(transform);
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta(), start, nullptr));
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(1.0), operation, nullptr));
std::unique_ptr<KeyframeModel> transform_animation(
KeyframeModel::Create(std::move(curve), 3, 3, TargetProperty::TRANSFORM));
scoped_refptr<SingleKeyframeEffectAnimation> animation(
SingleKeyframeEffectAnimation::Create(1));
timeline_impl()->AttachAnimation(animation);
animation->AddKeyframeModel(std::move(transform_animation));
// Set up some layers to have a tree.
LayerImpl* root = root_layer();
LayerImpl* child = AddLayer<LayerImpl>();
LayerImpl* grand_child = AddLayer<LayerImpl>();
SetElementIdsForTesting();
// If these are not on the same host we are doomed to fail.
ASSERT_EQ(timeline_impl()->animation_host(),
child->layer_tree_impl()->mutator_host());
// A non-invertible matrix for use later.
gfx::Transform singular;
singular.matrix().set(0, 0, 0);
singular.matrix().set(0, 1, 1);
root->SetBounds(gfx::Size(10, 10));
child->SetBounds(gfx::Size(10, 10));
child->SetDrawsContent(true);
grand_child->SetBounds(gfx::Size(10, 10));
grand_child->SetDrawsContent(true);
// Check that we set the visible sizes as expected in CalculateDrawProperties
grand_child->set_visible_layer_rect(gfx::Rect());
child->set_visible_layer_rect(gfx::Rect());
CopyProperties(root, child);
CreateTransformNode(child);
CopyProperties(child, grand_child);
UpdateActiveTreeDrawProperties();
ASSERT_EQ(gfx::Rect(10, 10), grand_child->visible_layer_rect());
ASSERT_EQ(gfx::Rect(10, 10), child->visible_layer_rect());
// See if we optimize out irrelevant pieces of work.
SetTransform(child, singular);
grand_child->set_visible_layer_rect(gfx::Rect());
child->set_visible_layer_rect(gfx::Rect());
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(), grand_child->visible_layer_rect());
EXPECT_EQ(gfx::Rect(), child->visible_layer_rect());
// Check that undoing the transform is still valid (memoryless enough)
SetTransform(child, gfx::Transform());
grand_child->set_visible_layer_rect(gfx::Rect());
child->set_visible_layer_rect(gfx::Rect());
root->layer_tree_impl()->property_trees()->needs_rebuild = true;
UpdateActiveTreeDrawProperties();
ASSERT_EQ(gfx::Rect(10, 10), grand_child->visible_layer_rect());
ASSERT_EQ(gfx::Rect(10, 10), child->visible_layer_rect());
// If the transform is singular, but there is an animation on it, we
// should not skip the subtree. Note that the animation has not started or
// ticked, there is also code along that path. This is not its test.
animation->AttachElementForKeyframeEffect(child->element_id(),
animation->keyframe_effect()->id());
SetTransform(child, singular);
grand_child->set_visible_layer_rect(gfx::Rect(1, 1));
child->set_visible_layer_rect(gfx::Rect(1, 1));
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(10, 10), grand_child->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10), child->visible_layer_rect());
}
// This tests that we skip computing the visible areas for the subtree
// rooted at nodes with constant zero opacity.
TEST_F(DrawPropertiesTestWithLayerTree, SkippingPendingLayerImpl) {
auto root = Layer::Create();
auto child = Layer::Create();
auto grandchild = Layer::Create();
FakeContentLayerClient client;
auto greatgrandchild = PictureLayer::Create(&client);
root->SetBounds(gfx::Size(100, 100));
child->SetBounds(gfx::Size(10, 10));
child->SetIsDrawable(true);
grandchild->SetBounds(gfx::Size(10, 10));
grandchild->SetIsDrawable(true);
greatgrandchild->SetIsDrawable(true);
child->AddChild(grandchild);
root->AddChild(child);
host()->SetRootLayer(root);
host()->SetElementIdsForTesting();
// Check the non-skipped case.
root->SetOpacity(1.f);
Commit();
ASSERT_EQ(gfx::Rect(10, 10), PendingImplOf(grandchild)->visible_layer_rect());
// Check the skipped case.
root->SetOpacity(0.f);
PendingImplOf(grandchild)->set_visible_layer_rect(gfx::Rect());
Commit();
EXPECT_EQ(gfx::Rect(), PendingImplOf(grandchild)->visible_layer_rect());
// Check the animated case is not skipped.
std::unique_ptr<KeyframedFloatAnimationCurve> curve(
KeyframedFloatAnimationCurve::Create());
std::unique_ptr<TimingFunction> func =
CubicBezierTimingFunction::CreatePreset(
CubicBezierTimingFunction::EaseType::EASE);
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta(), 0.9f, std::move(func)));
curve->AddKeyframe(
FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 0.3f, nullptr));
std::unique_ptr<KeyframeModel> keyframe_model(
KeyframeModel::Create(std::move(curve), 3, 3, TargetProperty::OPACITY));
scoped_refptr<SingleKeyframeEffectAnimation> animation(
SingleKeyframeEffectAnimation::Create(1));
timeline()->AttachAnimation(animation);
animation->AddKeyframeModel(std::move(keyframe_model));
animation->AttachElementForKeyframeEffect(root->element_id(),
animation->keyframe_effect()->id());
// Repeat the calculation invocation.
PendingImplOf(grandchild)->set_visible_layer_rect(gfx::Rect());
Commit();
EXPECT_EQ(gfx::Rect(10, 10), PendingImplOf(grandchild)->visible_layer_rect());
}
// Needs layer tree mode: hide_layer_and_subtree.
TEST_F(DrawPropertiesTestWithLayerTree, SkippingLayer) {
auto root = Layer::Create();
host()->SetRootLayer(root);
auto child = Layer::Create();
root->AddChild(child);
root->SetBounds(gfx::Size(100, 100));
child->SetBounds(gfx::Size(10, 10));
child->SetIsDrawable(true);
CommitAndActivate();
EXPECT_EQ(gfx::Rect(10, 10), ImplOf(child)->visible_layer_rect());
ImplOf(child)->set_visible_layer_rect(gfx::Rect());
child->SetHideLayerAndSubtree(true);
CommitAndActivate();
EXPECT_EQ(gfx::Rect(0, 0), ImplOf(child)->visible_layer_rect());
child->SetHideLayerAndSubtree(false);
child->SetBounds(gfx::Size());
CommitAndActivate();
EXPECT_EQ(gfx::Rect(0, 0), ImplOf(child)->visible_layer_rect());
child->SetBounds(gfx::Size(10, 10));
gfx::Transform rotate;
child->SetDoubleSided(false);
rotate.RotateAboutXAxis(180.f);
child->SetTransform(rotate);
CommitAndActivate();
EXPECT_EQ(gfx::Rect(0, 0), ImplOf(child)->visible_layer_rect());
child->SetDoubleSided(true);
child->SetTransform(gfx::Transform());
child->SetOpacity(0.f);
CommitAndActivate();
EXPECT_EQ(gfx::Rect(0, 0), ImplOf(child)->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, TransformOfParentClipNodeAncestorOfTarget) {
// Ensure that when parent clip node's transform is an ancestor of current
// clip node's target, clip is 'projected' from parent space to current
// target space and visible rects are calculated correctly.
LayerImpl* root = root_layer();
LayerImpl* clip_layer = AddLayer<LayerImpl>();
LayerImpl* target_layer = AddLayer<LayerImpl>();
LayerImpl* test_layer = AddLayer<LayerImpl>();
gfx::Transform transform;
transform.RotateAboutYAxis(45);
root->SetBounds(gfx::Size(30, 30));
clip_layer->SetBounds(gfx::Size(30, 30));
clip_layer->SetMasksToBounds(true);
target_layer->SetBounds(gfx::Size(30, 30));
target_layer->SetMasksToBounds(true);
test_layer->SetBounds(gfx::Size(30, 30));
test_layer->SetDrawsContent(true);
CopyProperties(root, clip_layer);
CreateTransformNode(clip_layer).local = transform;
CreateClipNode(clip_layer);
CopyProperties(clip_layer, target_layer);
CreateTransformNode(target_layer).local = transform;
CreateClipNode(target_layer);
CopyProperties(target_layer, test_layer);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(30, 30), test_layer->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, RenderSurfaceWithUnclippedDescendantsClipsSubtree) {
// Ensure clip rect is calculated correctly when render surface has unclipped
// descendants.
LayerImpl* root = root_layer();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* between_clip_parent_and_child = AddLayer<LayerImpl>();
LayerImpl* render_surface = AddLayer<LayerImpl>();
LayerImpl* test_layer = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(30, 30));
clip_parent->SetBounds(gfx::Size(30, 30));
between_clip_parent_and_child->SetBounds(gfx::Size(30, 30));
render_surface->SetBounds(gfx::Size(30, 30));
test_layer->SetBounds(gfx::Size(30, 30));
test_layer->SetDrawsContent(true);
CopyProperties(root, clip_parent);
CreateTransformNode(clip_parent).local.Translate(2, 2);
CreateClipNode(clip_parent);
CopyProperties(clip_parent, between_clip_parent_and_child);
CreateClipNode(between_clip_parent_and_child);
CreateTransformNode(between_clip_parent_and_child).local.Translate(2, 2);
CreateClipNode(between_clip_parent_and_child);
CopyProperties(between_clip_parent_and_child, render_surface);
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface, test_layer);
test_layer->SetClipTreeIndex(clip_parent->clip_tree_index());
UpdateActiveTreeDrawProperties();
EXPECT_TRUE(test_layer->is_clipped());
EXPECT_FALSE(test_layer->render_target()->is_clipped());
EXPECT_EQ(gfx::Rect(-2, -2, 30, 30), test_layer->clip_rect());
EXPECT_EQ(gfx::Rect(28, 28), test_layer->drawable_content_rect());
}
TEST_F(DrawPropertiesTest,
RenderSurfaceWithUnclippedDescendantsButDoesntApplyOwnClip) {
// Ensure that the visible layer rect of a descendant of a surface with
// unclipped descendants is computed correctly, when the surface doesn't apply
// a clip.
LayerImpl* root = root_layer();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* render_surface = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
LayerImpl* child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(30, 10));
clip_parent->SetBounds(gfx::Size(30, 30));
render_surface->SetBounds(gfx::Size(10, 15));
clip_child->SetBounds(gfx::Size(10, 10));
clip_child->SetDrawsContent(true);
child->SetBounds(gfx::Size(40, 40));
child->SetDrawsContent(true);
CopyProperties(root, clip_parent);
CopyProperties(clip_parent, render_surface);
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
CopyProperties(clip_child, child);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(30, 10), child->visible_layer_rect());
}
TEST_F(DrawPropertiesTest,
RenderSurfaceClipsSubtreeAndHasUnclippedDescendants) {
LayerImpl* root = root_layer();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* render_surface = AddLayer<LayerImpl>();
LayerImpl* test_layer1 = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
LayerImpl* test_layer2 = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(30, 30));
clip_parent->SetBounds(gfx::Size(30, 30));
render_surface->SetBounds(gfx::Size(50, 50));
render_surface->SetDrawsContent(true);
test_layer1->SetBounds(gfx::Size(50, 50));
test_layer1->SetDrawsContent(true);
clip_child->SetBounds(gfx::Size(50, 50));
clip_child->SetDrawsContent(true);
test_layer2->SetBounds(gfx::Size(50, 50));
test_layer2->SetDrawsContent(true);
CreateClipNode(root);
CopyProperties(root, clip_parent);
CopyProperties(clip_parent, render_surface);
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CreateClipNode(render_surface);
CopyProperties(render_surface, test_layer1);
CopyProperties(test_layer1, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
CopyProperties(clip_child, test_layer2);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(30, 30), render_surface->visible_layer_rect());
EXPECT_EQ(gfx::Rect(30, 30), test_layer1->visible_layer_rect());
EXPECT_EQ(gfx::Rect(30, 30), clip_child->visible_layer_rect());
EXPECT_EQ(gfx::Rect(30, 30), test_layer2->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, UnclippedClipParent) {
LayerImpl* root = root_layer();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* render_surface = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(50, 50));
clip_parent->SetBounds(gfx::Size(50, 50));
clip_parent->SetDrawsContent(true);
render_surface->SetBounds(gfx::Size(30, 30));
render_surface->SetDrawsContent(true);
clip_child->SetBounds(gfx::Size(50, 50));
clip_child->SetDrawsContent(true);
CopyProperties(root, clip_parent);
CopyProperties(clip_parent, render_surface);
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CreateClipNode(render_surface);
CopyProperties(render_surface, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
UpdateActiveTreeDrawProperties();
// The clip child should inherit its clip parent's clipping state, not its
// tree parent's clipping state.
EXPECT_FALSE(clip_parent->is_clipped());
EXPECT_TRUE(render_surface->is_clipped());
EXPECT_FALSE(clip_child->is_clipped());
}
TEST_F(DrawPropertiesTest, RenderSurfaceContentRectWithMultipleSurfaces) {
// Tests the value of render surface content rect when we have multiple types
// of surfaces : unclipped surfaces, surfaces with unclipped surfaces and
// clipped surfaces.
LayerImpl* root = root_layer();
LayerImpl* unclipped_surface = AddLayer<LayerImpl>();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* clip_layer = AddLayer<LayerImpl>();
LayerImpl* unclipped_desc_surface = AddLayer<LayerImpl>();
LayerImpl* unclipped_desc_surface2 = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
LayerImpl* clipped_surface = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(80, 80));
unclipped_surface->SetBounds(gfx::Size(50, 50));
unclipped_surface->SetDrawsContent(true);
clip_parent->SetBounds(gfx::Size(50, 50));
clip_layer->SetBounds(gfx::Size(100, 100));
unclipped_desc_surface->SetBounds(gfx::Size(100, 100));
unclipped_desc_surface->SetDrawsContent(true);
unclipped_desc_surface2->SetBounds(gfx::Size(60, 60));
unclipped_desc_surface2->SetDrawsContent(true);
clip_child->SetBounds(gfx::Size(100, 100));
clipped_surface->SetBounds(gfx::Size(70, 70));
clipped_surface->SetDrawsContent(true);
CopyProperties(root, unclipped_surface);
CreateEffectNode(unclipped_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CreateClipNode(unclipped_surface);
CopyProperties(unclipped_surface, clip_parent);
CreateClipNode(clip_parent);
CopyProperties(clip_parent, clip_layer);
CreateClipNode(clip_layer);
CopyProperties(clip_layer, unclipped_desc_surface);
CreateEffectNode(unclipped_desc_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(unclipped_desc_surface, unclipped_desc_surface2);
CreateEffectNode(unclipped_desc_surface2).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(unclipped_desc_surface2, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
CopyProperties(clip_child, clipped_surface);
CreateEffectNode(clipped_surface).render_surface_reason =
RenderSurfaceReason::kTest;
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(50, 50),
GetRenderSurface(unclipped_surface)->content_rect());
EXPECT_EQ(gfx::Rect(50, 50),
GetRenderSurface(unclipped_desc_surface)->content_rect());
EXPECT_EQ(gfx::Rect(60, 60),
GetRenderSurface(unclipped_desc_surface2)->content_rect());
EXPECT_EQ(gfx::Rect(50, 50),
GetRenderSurface(clipped_surface)->content_rect());
}
TEST_F(DrawPropertiesTest, ClipBetweenClipChildTargetAndClipParentTarget) {
// Tests the value of render surface content rect when we have a layer that
// clips between the clip parent's target and clip child's target.
LayerImpl* root = root_layer();
LayerImpl* surface = AddLayer<LayerImpl>();
LayerImpl* clip_layer = AddLayer<LayerImpl>();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* unclipped_desc_surface = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
surface->SetBounds(gfx::Size(100, 100));
clip_layer->SetBounds(gfx::Size(20, 20));
clip_parent->SetBounds(gfx::Size(50, 50));
unclipped_desc_surface->SetBounds(gfx::Size(100, 100));
unclipped_desc_surface->SetDrawsContent(true);
clip_child->SetBounds(gfx::Size(100, 100));
clip_child->SetDrawsContent(true);
CopyProperties(root, surface);
CreateTransformNode(surface).local.RotateAboutXAxis(10);
CreateEffectNode(surface).render_surface_reason = RenderSurfaceReason::kTest;
CreateClipNode(surface);
CopyProperties(surface, clip_layer);
CreateClipNode(clip_layer);
CopyProperties(clip_layer, clip_parent);
CopyProperties(clip_parent, unclipped_desc_surface);
CreateTransformNode(unclipped_desc_surface).local.Translate(10, 10);
CreateEffectNode(unclipped_desc_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(unclipped_desc_surface, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(10, 10),
GetRenderSurface(unclipped_desc_surface)->content_rect());
}
TEST_F(DrawPropertiesTest, VisibleRectForDescendantOfScaledSurface) {
LayerImpl* root = root_layer();
LayerImpl* surface = AddLayer<LayerImpl>();
LayerImpl* clip_layer = AddLayer<LayerImpl>();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* unclipped_desc_surface = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
surface->SetBounds(gfx::Size(100, 100));
clip_layer->SetBounds(gfx::Size(20, 20));
clip_parent->SetBounds(gfx::Size(50, 50));
unclipped_desc_surface->SetBounds(gfx::Size(100, 100));
unclipped_desc_surface->SetDrawsContent(true);
clip_child->SetBounds(gfx::Size(100, 100));
clip_child->SetDrawsContent(true);
CopyProperties(root, surface);
CreateTransformNode(surface).local.Scale(2, 2);
CreateEffectNode(surface).render_surface_reason = RenderSurfaceReason::kTest;
CreateClipNode(surface);
CopyProperties(surface, clip_layer);
CreateClipNode(clip_layer);
CopyProperties(clip_layer, clip_parent);
CopyProperties(clip_parent, unclipped_desc_surface);
CreateEffectNode(unclipped_desc_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(unclipped_desc_surface, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(20, 20), clip_child->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, LayerWithInputHandlerAndZeroOpacity) {
LayerImpl* root = root_layer();
LayerImpl* render_surface = AddLayer<LayerImpl>();
LayerImpl* test_layer = AddLayer<LayerImpl>();
gfx::Transform translation;
translation.Translate(10, 10);
root->SetBounds(gfx::Size(30, 30));
render_surface->SetBounds(gfx::Size(30, 30));
render_surface->SetMasksToBounds(true);
test_layer->SetBounds(gfx::Size(20, 20));
test_layer->SetDrawsContent(true);
TouchActionRegion touch_action_region;
touch_action_region.Union(kTouchActionNone, gfx::Rect(0, 0, 20, 20));
test_layer->SetTouchActionRegion(std::move(touch_action_region));
CopyProperties(root, render_surface);
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CreateClipNode(render_surface);
CopyProperties(render_surface, test_layer);
CreateTransformNode(test_layer).local = translation;
CreateEffectNode(test_layer).opacity = 0.f;
UpdateActiveTreeDrawProperties();
EXPECT_TRANSFORMATION_MATRIX_EQ(translation,
test_layer->ScreenSpaceTransform());
}
TEST_F(DrawPropertiesTest, ClipParentDrawsIntoScaledRootSurface) {
LayerImpl* root = root_layer();
LayerImpl* clip_layer = AddLayer<LayerImpl>();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* clip_parent_child = AddLayer<LayerImpl>();
LayerImpl* unclipped_desc_surface = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(100, 100));
clip_layer->SetBounds(gfx::Size(20, 20));
clip_parent->SetBounds(gfx::Size(50, 50));
clip_parent_child->SetBounds(gfx::Size(20, 20));
unclipped_desc_surface->SetBounds(gfx::Size(100, 100));
unclipped_desc_surface->SetDrawsContent(true);
clip_child->SetBounds(gfx::Size(100, 100));
clip_child->SetDrawsContent(true);
CopyProperties(root, clip_layer);
CreateClipNode(clip_layer);
CopyProperties(clip_layer, clip_parent);
CopyProperties(clip_parent, clip_parent_child);
CreateClipNode(clip_parent_child);
CopyProperties(clip_parent_child, unclipped_desc_surface);
CreateTransformNode(unclipped_desc_surface).local.Translate(10, 10);
CreateEffectNode(unclipped_desc_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(unclipped_desc_surface, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
float device_scale_factor = 1.f;
UpdateActiveTreeDrawProperties(device_scale_factor);
EXPECT_EQ(gfx::Rect(-10, -10, 20, 20), clip_child->clip_rect());
EXPECT_EQ(gfx::Rect(10, 10), clip_child->visible_layer_rect());
device_scale_factor = 2.f;
UpdateActiveTreeDrawProperties(device_scale_factor);
EXPECT_EQ(gfx::Rect(-20, -20, 40, 40), clip_child->clip_rect());
EXPECT_EQ(gfx::Rect(10, 10), clip_child->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, ClipChildVisibleRect) {
LayerImpl* root = root_layer();
LayerImpl* clip_parent = AddLayer<LayerImpl>();
LayerImpl* render_surface = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(30, 30));
clip_parent->SetBounds(gfx::Size(40, 40));
render_surface->SetBounds(gfx::Size(50, 50));
render_surface->SetDrawsContent(true);
clip_child->SetBounds(gfx::Size(50, 50));
clip_child->SetDrawsContent(true);
CopyProperties(root, clip_parent);
CreateClipNode(clip_parent);
CopyProperties(clip_parent, render_surface);
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CreateClipNode(render_surface);
CopyProperties(render_surface, clip_child);
clip_child->SetClipTreeIndex(clip_parent->clip_tree_index());
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(30, 30), clip_child->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, LayerClipRectLargerThanClippingRenderSurfaceRect) {
LayerImpl* root = root_layer();
LayerImpl* render_surface = AddLayer<LayerImpl>();
LayerImpl* test_layer = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(30, 30));
root->SetDrawsContent(true);
render_surface->SetBounds(gfx::Size(50, 50));
render_surface->SetDrawsContent(true);
test_layer->SetBounds(gfx::Size(50, 50));
test_layer->SetDrawsContent(true);
CreateClipNode(root);
CopyProperties(root, render_surface);
CreateTransformNode(render_surface);
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CreateClipNode(render_surface);
CopyProperties(render_surface, test_layer);
CreateClipNode(test_layer);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(30, 30), root->clip_rect());
EXPECT_EQ(gfx::Rect(50, 50), render_surface->clip_rect());
EXPECT_EQ(gfx::Rect(50, 50), test_layer->clip_rect());
}
// Needs layer tree mode: hide_layer_and_subtree.
TEST_F(DrawPropertiesTestWithLayerTree, SubtreeIsHiddenTest) {
// Tests that subtree is hidden is updated.
auto root = Layer::Create();
host()->SetRootLayer(root);
auto hidden = Layer::Create();
root->AddChild(hidden);
auto test = Layer::Create();
hidden->AddChild(test);
root->SetBounds(gfx::Size(30, 30));
hidden->SetBounds(gfx::Size(30, 30));
hidden->SetForceRenderSurfaceForTesting(true);
hidden->SetHideLayerAndSubtree(true);
test->SetBounds(gfx::Size(30, 30));
test->SetForceRenderSurfaceForTesting(true);
CommitAndActivate();
EXPECT_EQ(
0.f,
GetRenderSurfaceImpl(test)->OwningEffectNode()->screen_space_opacity);
hidden->SetHideLayerAndSubtree(false);
CommitAndActivate();
EXPECT_EQ(
1.f,
GetRenderSurfaceImpl(test)->OwningEffectNode()->screen_space_opacity);
}
TEST_F(DrawPropertiesTest, TwoUnclippedRenderSurfaces) {
LayerImpl* root = root_layer();
LayerImpl* clip_layer = AddLayer<LayerImpl>();
LayerImpl* render_surface1 = AddLayer<LayerImpl>();
LayerImpl* render_surface2 = AddLayer<LayerImpl>();
LayerImpl* clip_child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(30, 30));
clip_layer->SetBounds(gfx::Size(30, 30));
render_surface1->SetBounds(gfx::Size(30, 30));
render_surface1->SetDrawsContent(true);
render_surface2->SetBounds(gfx::Size(30, 30));
render_surface2->SetDrawsContent(true);
clip_child->SetBounds(gfx::Size(30, 30));
clip_child->SetDrawsContent(true);
CreateClipNode(root);
CopyProperties(root, clip_layer);
CreateClipNode(clip_layer);
CopyProperties(clip_layer, render_surface1);
CreateTransformNode(render_surface1).post_translation =
gfx::Vector2dF(10, 10);
CreateEffectNode(render_surface1).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface1, render_surface2);
CreateEffectNode(render_surface2).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface2, clip_child);
clip_child->SetClipTreeIndex(root->clip_tree_index());
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Rect(-10, -10, 30, 30), render_surface2->clip_rect());
}
// Needs layer tree mode: mask layer.
TEST_F(DrawPropertiesTestWithLayerTree, MaskLayerDrawProperties) {
// Tests that a mask layer's draw properties are computed correctly.
auto root = Layer::Create();
host()->SetRootLayer(root);
auto child = Layer::Create();
root->AddChild(child);
FakeContentLayerClient client;
auto mask = PictureLayer::Create(&client);
child->SetMaskLayer(mask);
gfx::Transform transform;
transform.Translate(10, 10);
root->SetBounds(gfx::Size(40, 40));
root->SetIsDrawable(true);
child->SetTransform(transform);
child->SetBounds(gfx::Size(30, 30));
child->SetIsDrawable(true);
child->SetOpacity(0.f);
mask->SetBounds(gfx::Size(30, 30));
CommitAndActivate();
// The render surface created for the mask has no contributing content, so the
// mask doesn't contribute to a drawn render surface. This means it has an
// empty visible rect, but its screen space transform can still be computed
// correctly on-demand.
EXPECT_FALSE(ImplOf(child)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(mask)->contributes_to_drawn_render_surface());
EXPECT_EQ(gfx::Rect(), ImplOf(mask)->visible_layer_rect());
EXPECT_TRANSFORMATION_MATRIX_EQ(transform,
ImplOf(mask)->ScreenSpaceTransform());
// Make the child's render surface have contributing content.
child->SetOpacity(1.f);
CommitAndActivate();
EXPECT_TRUE(ImplOf(mask)->contributes_to_drawn_render_surface());
EXPECT_EQ(gfx::Rect(30, 30), ImplOf(mask)->visible_layer_rect());
EXPECT_TRANSFORMATION_MATRIX_EQ(transform,
ImplOf(mask)->ScreenSpaceTransform());
transform.Translate(10, 10);
child->SetTransform(transform);
CommitAndActivate();
EXPECT_TRANSFORMATION_MATRIX_EQ(transform,
ImplOf(mask)->ScreenSpaceTransform());
EXPECT_EQ(gfx::Rect(20, 20), ImplOf(mask)->visible_layer_rect());
// For now SetIsDrawable of masked layer doesn't affect draw properties of
// the mask layer because it doesn't affect property trees.
child->SetIsDrawable(false);
CommitAndActivate();
EXPECT_TRUE(ImplOf(mask)->contributes_to_drawn_render_surface());
// SetIsDrawable of mask layer itself affects its draw properties.
mask->SetIsDrawable(false);
CommitAndActivate();
EXPECT_FALSE(ImplOf(mask)->contributes_to_drawn_render_surface());
}
TEST_F(DrawPropertiesTest, SublayerScaleWithTransformNodeBetweenTwoTargets) {
LayerImpl* root = root_layer();
LayerImpl* render_surface1 = AddLayer<LayerImpl>();
LayerImpl* between_targets = AddLayer<LayerImpl>();
LayerImpl* render_surface2 = AddLayer<LayerImpl>();
LayerImpl* test_layer = AddLayer<LayerImpl>();
gfx::Transform scale;
scale.Scale(2.f, 2.f);
root->SetBounds(gfx::Size(30, 30));
render_surface1->SetBounds(gfx::Size(30, 30));
between_targets->SetBounds(gfx::Size(30, 30));
render_surface2->SetBounds(gfx::Size(30, 30));
test_layer->SetBounds(gfx::Size(30, 30));
test_layer->SetDrawsContent(true);
// We want layer between the two targets to create a clip node and effect
// node but it shouldn't create a render surface.
between_targets->SetMasksToBounds(true);
CopyProperties(root, render_surface1);
CreateTransformNode(render_surface1).local = scale;
CreateEffectNode(render_surface1).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface1, between_targets);
CreateEffectNode(between_targets).opacity = 0.5f;
CreateClipNode(between_targets);
CopyProperties(between_targets, render_surface2);
CreateEffectNode(render_surface2).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface2, test_layer);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::Vector2dF(2.f, 2.f),
GetEffectNode(render_surface1)->surface_contents_scale);
EXPECT_EQ(gfx::Vector2dF(1.f, 1.f),
GetEffectNode(between_targets)->surface_contents_scale);
EXPECT_EQ(gfx::Vector2dF(2.f, 2.f),
GetEffectNode(render_surface2)->surface_contents_scale);
EXPECT_EQ(gfx::Rect(15, 15), test_layer->visible_layer_rect());
}
TEST_F(DrawPropertiesTest, NoisyTransform) {
LayerImpl* root = root_layer();
LayerImpl* render_surface = AddLayer<LayerImpl>();
LayerImpl* parent = AddLayer<LayerImpl>();
LayerImpl* child = AddLayer<LayerImpl>();
root->SetBounds(gfx::Size(30, 30));
parent->SetBounds(gfx::Size(30, 30));
parent->SetDrawsContent(true);
child->SetBounds(gfx::Size(30, 30));
child->SetDrawsContent(true);
// A noisy transform that's invertible.
gfx::Transform transform;
transform.matrix().setDouble(0, 0, 6.12323e-17);
transform.matrix().setDouble(0, 2, 1);
transform.matrix().setDouble(2, 2, 6.12323e-17);
transform.matrix().setDouble(2, 0, -1);
CopyProperties(root, render_surface);
CreateTransformNode(render_surface).local = transform;
CreateEffectNode(render_surface).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface, parent);
CopyProperties(parent, child);
CreateTransformNode(child).local = transform;
UpdateActiveTreeDrawProperties();
gfx::Transform expected;
expected.matrix().setDouble(0, 0, 3.749395e-33);
expected.matrix().setDouble(0, 2, 6.12323e-17);
expected.matrix().setDouble(2, 0, -1);
expected.matrix().setDouble(2, 2, 6.12323e-17);
EXPECT_TRANSFORMATION_MATRIX_EQ(expected, child->ScreenSpaceTransform());
}
TEST_F(DrawPropertiesTest, LargeTransformTest) {
LayerImpl* root = root_layer();
LayerImpl* render_surface1 = AddLayer<LayerImpl>();
LayerImpl* child = AddLayer<LayerImpl>();
child->SetDrawsContent(true);
child->SetMasksToBounds(true);
gfx::Transform large_transform;
large_transform.Scale(99999999999999999999.f, 99999999999999999999.f);
large_transform.Scale(9999999999999999999.f, 9999999999999999999.f);
EXPECT_TRUE(std::isinf(large_transform.matrix().get(0, 0)));
EXPECT_TRUE(std::isinf(large_transform.matrix().get(1, 1)));
root->SetBounds(gfx::Size(30, 30));
render_surface1->SetBounds(gfx::Size(30, 30));
// TODO(sunxd): we make child have no render surface, because if the
// child has one, the large transform applied to child will result in NaNs in
// the draw_transform of the render_surface, thus make draw property updates
// skip the child layer. We need further investigation into this to know
// what exactly happens here.
child->SetBounds(gfx::Size(30, 30));
CopyProperties(root, render_surface1);
CreateEffectNode(render_surface1).render_surface_reason =
RenderSurfaceReason::kTest;
CopyProperties(render_surface1, child);
CreateTransformNode(child).local = large_transform;
CreateClipNode(child);
UpdateActiveTreeDrawProperties();
EXPECT_EQ(gfx::RectF(),
GetRenderSurface(render_surface1)->DrawableContentRect());
bool is_inf_or_nan = std::isinf(child->DrawTransform().matrix().get(0, 0)) ||
std::isnan(child->DrawTransform().matrix().get(0, 0));
EXPECT_TRUE(is_inf_or_nan);
is_inf_or_nan = std::isinf(child->DrawTransform().matrix().get(1, 1)) ||
std::isnan(child->DrawTransform().matrix().get(1, 1));
EXPECT_TRUE(is_inf_or_nan);
// The root layer should be in the RenderSurfaceList.
EXPECT_TRUE(base::Contains(GetRenderSurfaceList(), GetRenderSurface(root)));
}
// In layer tree mode, not using impl-side PropertyTreeBuilder.
TEST_F(DrawPropertiesTestWithLayerTree, OpacityAnimationsTrackingTest) {
scoped_refptr<Layer> root = Layer::Create();
scoped_refptr<Layer> animated = Layer::Create();
animated->SetIsDrawable(true);
root->AddChild(animated);
host()->SetRootLayer(root);
host()->SetElementIdsForTesting();
root->SetBounds(gfx::Size(100, 100));
root->SetForceRenderSurfaceForTesting(true);
animated->SetBounds(gfx::Size(20, 20));
animated->SetOpacity(0.f);
scoped_refptr<SingleKeyframeEffectAnimation> animation =
SingleKeyframeEffectAnimation::Create(
AnimationIdProvider::NextAnimationId());
timeline()->AttachAnimation(animation);
animation->AttachElement(animated->element_id());
int keyframe_model_id = 0;
std::unique_ptr<KeyframeModel> keyframe_model = KeyframeModel::Create(
std::unique_ptr<AnimationCurve>(new FakeFloatTransition(1.0, 0.f, 1.f)),
keyframe_model_id, 1, TargetProperty::OPACITY);
keyframe_model->set_fill_mode(KeyframeModel::FillMode::NONE);
keyframe_model->set_time_offset(base::TimeDelta::FromMilliseconds(-1000));
KeyframeModel* keyframe_model_ptr = keyframe_model.get();
AddKeyframeModelToElementWithExistingKeyframeEffect(
animated->element_id(), timeline(), std::move(keyframe_model));
UpdateMainDrawProperties();
EffectNode* node = GetEffectNode(animated.get());
EXPECT_FALSE(node->is_currently_animating_opacity);
EXPECT_TRUE(node->has_potential_opacity_animation);
keyframe_model_ptr->set_time_offset(base::TimeDelta::FromMilliseconds(0));
host()->AnimateLayers(base::TimeTicks::Max());
node = GetEffectNode(animated.get());
EXPECT_TRUE(node->is_currently_animating_opacity);
EXPECT_TRUE(node->has_potential_opacity_animation);
animation->AbortKeyframeModelsWithProperty(TargetProperty::OPACITY,
false /*needs_completion*/);
node = GetEffectNode(animated.get());
EXPECT_FALSE(node->is_currently_animating_opacity);
EXPECT_FALSE(node->has_potential_opacity_animation);
}
// In layer tree mode, not using impl-side PropertyTreeBuilder.
TEST_F(DrawPropertiesTestWithLayerTree, TransformAnimationsTrackingTest) {
scoped_refptr<Layer> root = Layer::Create();
scoped_refptr<Layer> animated = Layer::Create();
animated->SetIsDrawable(true);
root->AddChild(animated);
host()->SetRootLayer(root);
host()->SetElementIdsForTesting();
root->SetBounds(gfx::Size(100, 100));
root->SetForceRenderSurfaceForTesting(true);
animated->SetBounds(gfx::Size(20, 20));
scoped_refptr<SingleKeyframeEffectAnimation> animation =
SingleKeyframeEffectAnimation::Create(
AnimationIdProvider::NextAnimationId());
timeline()->AttachAnimation(animation);
animation->AttachElement(animated->element_id());
std::unique_ptr<KeyframedTransformAnimationCurve> curve(
KeyframedTransformAnimationCurve::Create());
TransformOperations start;
start.AppendTranslate(1.f, 2.f, 3.f);
gfx::Transform transform;
transform.Scale3d(1.0, 2.0, 3.0);
TransformOperations operation;
operation.AppendMatrix(transform);
curve->AddKeyframe(
TransformKeyframe::Create(base::TimeDelta(), start, nullptr));
curve->AddKeyframe(TransformKeyframe::Create(
base::TimeDelta::FromSecondsD(1.0), operation, nullptr));
std::unique_ptr<KeyframeModel> keyframe_model(
KeyframeModel::Create(std::move(curve), 3, 3, TargetProperty::TRANSFORM));
keyframe_model->set_fill_mode(KeyframeModel::FillMode::NONE);
keyframe_model->set_time_offset(base::TimeDelta::FromMilliseconds(-1000));
KeyframeModel* keyframe_model_ptr = keyframe_model.get();
AddKeyframeModelToElementWithExistingKeyframeEffect(
animated->element_id(), timeline(), std::move(keyframe_model));
UpdateMainDrawProperties();
TransformNode* node = GetTransformNode(animated.get());
EXPECT_FALSE(node->is_currently_animating);
EXPECT_TRUE(node->has_potential_animation);
keyframe_model_ptr->set_time_offset(base::TimeDelta::FromMilliseconds(0));
host()->AnimateLayers(base::TimeTicks::Max());
node = GetTransformNode(animated.get());
EXPECT_TRUE(node->is_currently_animating);
EXPECT_TRUE(node->has_potential_animation);
animation->AbortKeyframeModelsWithProperty(TargetProperty::TRANSFORM,
false /*needs_completion*/);
node = GetTransformNode(animated.get());
EXPECT_FALSE(node->is_currently_animating);
EXPECT_FALSE(node->has_potential_animation);
}
// Needs layer tree mode: copy request.
TEST_F(DrawPropertiesTestWithLayerTree, CopyRequestScalingTest) {
auto root = Layer::Create();
host()->SetRootLayer(root);
auto scale_layer = Layer::Create();
root->AddChild(scale_layer);
auto copy_layer = Layer::Create();
scale_layer->AddChild(copy_layer);
auto clip_layer = Layer::Create();
copy_layer->AddChild(clip_layer);
auto test_layer = Layer::Create();
clip_layer->AddChild(test_layer);
root->SetBounds(gfx::Size(150, 150));
scale_layer->SetBounds(gfx::Size(30, 30));
gfx::Transform transform;
transform.Scale(5.f, 5.f);
scale_layer->SetTransform(transform);
// Need to persist the render surface after copy request is cleared.
copy_layer->SetForceRenderSurfaceForTesting(true);
copy_layer->RequestCopyOfOutput(
viz::CopyOutputRequest::CreateStubForTesting());
clip_layer->SetIsDrawable(true);
clip_layer->SetMasksToBounds(true);
clip_layer->SetBounds(gfx::Size(10, 10));
test_layer->SetIsDrawable(true);
test_layer->SetMasksToBounds(true);
test_layer->SetBounds(gfx::Size(20, 20));
CommitAndActivate();
// Check surface with copy request draw properties.
EXPECT_EQ(gfx::Rect(50, 50),
GetRenderSurfaceImpl(copy_layer)->content_rect());
EXPECT_EQ(gfx::Transform(),
GetRenderSurfaceImpl(copy_layer)->draw_transform());
EXPECT_EQ(gfx::RectF(50.0f, 50.0f),
GetRenderSurfaceImpl(copy_layer)->DrawableContentRect());
// Check test layer draw properties.
EXPECT_EQ(gfx::Rect(10, 10), ImplOf(test_layer)->visible_layer_rect());
EXPECT_EQ(transform, ImplOf(test_layer)->DrawTransform());
EXPECT_EQ(gfx::Rect(50, 50), ImplOf(test_layer)->clip_rect());
EXPECT_EQ(gfx::Rect(50, 50), ImplOf(test_layer)->drawable_content_rect());
// Clear the copy request and call UpdateSurfaceContentsScale.
GetPropertyTrees(root.get())->effect_tree.ClearCopyRequests();
CommitAndActivate();
}
// Needs layer tree mode: hide_layer_and_subtree, etc.
TEST_F(DrawPropertiesTestWithLayerTree, SubtreeHiddenWithCacheRenderSurface) {
auto root = Layer::Create();
host()->SetRootLayer(root);
root->SetBounds(gfx::Size(50, 50));
root->SetIsDrawable(true);
auto cache_grand_parent_sibling_before = Layer::Create();
root->AddChild(cache_grand_parent_sibling_before);
cache_grand_parent_sibling_before->SetBounds(gfx::Size(40, 40));
cache_grand_parent_sibling_before->SetIsDrawable(true);
auto cache_grand_parent = Layer::Create();
root->AddChild(cache_grand_parent);
cache_grand_parent->SetBounds(gfx::Size(40, 40));
cache_grand_parent->SetIsDrawable(true);
auto cache_parent = Layer::Create();
cache_grand_parent->AddChild(cache_parent);
cache_parent->SetBounds(gfx::Size(30, 30));
cache_parent->SetIsDrawable(true);
cache_parent->SetForceRenderSurfaceForTesting(true);
auto cache_render_surface = Layer::Create();
cache_parent->AddChild(cache_render_surface);
cache_render_surface->SetBounds(gfx::Size(20, 20));
cache_render_surface->SetIsDrawable(true);
cache_render_surface->SetCacheRenderSurface(true);
auto cache_child = Layer::Create();
cache_render_surface->AddChild(cache_child);
cache_child->SetBounds(gfx::Size(20, 20));
cache_child->SetIsDrawable(true);
auto cache_grand_child = Layer::Create();
cache_child->AddChild(cache_grand_child);
cache_grand_child->SetBounds(gfx::Size(20, 20));
cache_grand_child->SetIsDrawable(true);
auto cache_grand_parent_sibling_after = Layer::Create();
root->AddChild(cache_grand_parent_sibling_after);
cache_grand_parent_sibling_after->SetBounds(gfx::Size(40, 40));
cache_grand_parent_sibling_after->SetIsDrawable(true);
// Hide the cache_grand_parent and its subtree. But cache a render surface in
// that hidden subtree on cache_layer. Also hide the cache grand child and its
// subtree.
cache_grand_parent->SetHideLayerAndSubtree(true);
cache_grand_parent_sibling_before->SetHideLayerAndSubtree(true);
cache_grand_parent_sibling_after->SetHideLayerAndSubtree(true);
cache_grand_child->SetHideLayerAndSubtree(true);
CommitAndActivate();
// We should have four render surfaces, one for the root, one for the grand
// parent since it has opacity and two drawing descendants, one for the parent
// since it owns a surface, and one for the cache.
ASSERT_EQ(4u, GetRenderSurfaceList().size());
EXPECT_EQ(static_cast<uint64_t>(root->id()),
GetRenderSurfaceList().at(0)->id());
EXPECT_EQ(static_cast<uint64_t>(cache_grand_parent->id()),
GetRenderSurfaceList().at(1)->id());
EXPECT_EQ(static_cast<uint64_t>(cache_parent->id()),
GetRenderSurfaceList().at(2)->id());
EXPECT_EQ(static_cast<uint64_t>(cache_render_surface->id()),
GetRenderSurfaceList().at(3)->id());
// The root render surface should have 2 contributing layers.
EXPECT_EQ(2, GetRenderSurfaceImpl(root)->num_contributors());
EXPECT_TRUE(ImplOf(root)->contributes_to_drawn_render_surface());
EXPECT_FALSE(
ImplOf(cache_grand_parent)->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(cache_grand_parent_sibling_before)
->contributes_to_drawn_render_surface());
EXPECT_FALSE(ImplOf(cache_grand_parent_sibling_after)
->contributes_to_drawn_render_surface());
// Nothing actually draws into the cache parent, so only the cache will
// appear in its list, since it needs to be drawn for the cache render
// surface.
ASSERT_EQ(1, GetRenderSurfaceImpl(cache_parent)->num_contributors());
EXPECT_FALSE(ImplOf(cache_parent)->contributes_to_drawn_render_surface());
// The cache layer's render surface should have 2 contributing layers.
ASSERT_EQ(2, GetRenderSurfaceImpl(cache_render_surface)->num_contributors());
EXPECT_TRUE(
ImplOf(cache_render_surface)->contributes_to_drawn_render_surface());
EXPECT_TRUE(ImplOf(cache_child)->contributes_to_drawn_render_surface());
EXPECT_FALSE(
ImplOf(cache_grand_child)->contributes_to_drawn_render_surface());
// cache_grand_parent, cache_parent shouldn't be drawn because they are
// hidden, but the cache and cache_child should be drawn for the cache
// render surface. cache grand child should not be drawn as its hidden even in
// the cache render surface.
EXPECT_FALSE(GetEffectNode(ImplOf(cache_grand_parent))->is_drawn);
EXPECT_FALSE(GetEffectNode(ImplOf(cache_parent))->is_drawn);
EXPECT_TRUE(GetEffectNode(ImplOf(cache_render_surface))->is_drawn);
EXPECT_TRUE(GetEffectNode(ImplOf(cache_child))->is_drawn);
EXPECT_FALSE(GetEffectNode(ImplOf(cache_grand_child))->is_drawn);
// Though cache is drawn, it shouldn't contribute to drawn surface as
// its actually hidden.
EXPECT_FALSE(GetRenderSurfaceImpl(cache_render_surface)
->contributes_to_drawn_surface());
}
// Needs layer tree mode: copy request.
TEST_F(DrawPropertiesTestWithLayerTree,
VisibleRectInNonRootCacheRenderSurface) {
auto root = Layer::Create();
host()->SetRootLayer(root);
root->SetBounds(gfx::Size(50, 50));
root->SetIsDrawable(true);
root->SetMasksToBounds(true);
auto cache_render_surface_layer = Layer::Create();
root->AddChild(cache_render_surface_layer);
cache_render_surface_layer->SetBounds(gfx::Size(120, 120));
cache_render_surface_layer->SetIsDrawable(true);
cache_render_surface_layer->SetCacheRenderSurface(true);
auto copy_layer = Layer::Create();
cache_render_surface_layer->AddChild(copy_layer);
copy_layer->SetBounds(gfx::Size(100, 100));
copy_layer->SetIsDrawable(true);
copy_layer->SetForceRenderSurfaceForTesting(true);
auto copy_child = Layer::Create();
copy_layer->AddChild(copy_child);
copy_child->SetPosition(gfx::PointF(40.f, 40.f));
copy_child->SetBounds(gfx::Size(20, 20));
copy_child->SetIsDrawable(true);
auto copy_clip = Layer::Create();
copy_layer->AddChild(copy_clip);
copy_clip->SetBounds(gfx::Size(55, 55));
copy_clip->SetMasksToBounds(true);
auto copy_clipped_child = Layer::Create();
copy_clip->AddChild(copy_clipped_child);
copy_clipped_child->SetPosition(gfx::PointF(40.f, 40.f));
copy_clipped_child->SetBounds(gfx::Size(20, 20));
copy_clipped_child->SetIsDrawable(true);
auto cache_surface = Layer::Create();
copy_clip->AddChild(cache_surface);
cache_surface->SetPosition(gfx::PointF(45.f, 45.f));
cache_surface->SetBounds(gfx::Size(20, 20));
cache_surface->SetIsDrawable(true);
CommitAndActivate();
EXPECT_EQ(gfx::Rect(120, 120),
ImplOf(cache_render_surface_layer)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(100, 100), ImplOf(copy_layer)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(20, 20), ImplOf(copy_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(15, 15),
ImplOf(copy_clipped_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10), ImplOf(cache_surface)->visible_layer_rect());
// Case 2: When the non root cache render surface layer is clipped.
cache_render_surface_layer->SetBounds(gfx::Size(50, 50));
cache_render_surface_layer->SetMasksToBounds(true);
CommitAndActivate();
EXPECT_EQ(gfx::Rect(50, 50),
ImplOf(cache_render_surface_layer)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(50, 50), ImplOf(copy_layer)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10),
ImplOf(copy_clipped_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(5, 5), ImplOf(cache_surface)->visible_layer_rect());
// Case 3: When there is device scale factor.
float device_scale_factor = 2.f;
CommitAndActivate(device_scale_factor);
EXPECT_EQ(gfx::Rect(50, 50),
ImplOf(cache_render_surface_layer)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(50, 50), ImplOf(copy_layer)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10), ImplOf(copy_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10),
ImplOf(copy_clipped_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(5, 5), ImplOf(cache_surface)->visible_layer_rect());
// Case 4: When the non root cache render surface layer is clipped and there
// is a copy request layer beneath it.
copy_layer->RequestCopyOfOutput(
viz::CopyOutputRequest::CreateStubForTesting());
ASSERT_TRUE(copy_layer->HasCopyRequest());
CommitAndActivate();
ASSERT_FALSE(copy_layer->HasCopyRequest());
EXPECT_EQ(gfx::Rect(50, 50),
ImplOf(cache_render_surface_layer)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(100, 100), ImplOf(copy_layer)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(20, 20), ImplOf(copy_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(15, 15),
ImplOf(copy_clipped_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(10, 10), ImplOf(cache_surface)->visible_layer_rect());
// Case 5: When there is another cache render surface layer under the copy
// request layer.
cache_surface->SetCacheRenderSurface(true);
copy_layer->RequestCopyOfOutput(
viz::CopyOutputRequest::CreateStubForTesting());
ASSERT_TRUE(copy_layer->HasCopyRequest());
CommitAndActivate();
ASSERT_FALSE(copy_layer->HasCopyRequest());
EXPECT_EQ(gfx::Rect(50, 50),
ImplOf(cache_render_surface_layer)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(100, 100), ImplOf(copy_layer)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(20, 20), ImplOf(copy_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(15, 15),
ImplOf(copy_clipped_child)->visible_layer_rect());
EXPECT_EQ(gfx::Rect(20, 20), ImplOf(cache_surface)->visible_layer_rect());
}
// In layer tree mode, not using impl-side PropertyTreeBuilder.
TEST_F(DrawPropertiesTestWithLayerTree, CustomLayerClipBounds) {
// The custom clip API should have the same effect as if an intermediate
// clip layer has been added to the layer tree. To check this the test creates
// 2 subtree for a root layer. One of the subtree uses the clip API to clip
// its subtree while the other uses an intermediate layer. The resulting clip
// in draw properties are expected to be the same.
// -Root
// - Parent [Clip set to |kClipBounds| using API]
// - Child
// - Clip Layer [Masks to bounds = true] [Layer bounds set to |kClipBounds|]
// - Expected Parent
// - Expected Child
constexpr float kDeviceScale = 1.f;
const gfx::Rect kRootLayerBounds(0, 0, 100, 100);
const gfx::Rect kParentLayerBounds(0, 0, 50, 100);
const gfx::Rect kChildLayerBounds(20, 20, 30, 60);
constexpr gfx::Rect kClipBounds(10, 10, 50, 50);
// The position of |Expected Parent| on screen should be same as |Parent|.
const gfx::Rect kExpectedParentLayerBounds(
gfx::Point(0, 0) - kClipBounds.OffsetFromOrigin(), gfx::Size(50, 100));
scoped_refptr<Layer> root = Layer::Create();
scoped_refptr<Layer> parent = Layer::Create();
scoped_refptr<Layer> child = Layer::Create();
scoped_refptr<Layer> clip_layer = Layer::Create();
scoped_refptr<Layer> expected_parent = Layer::Create();
scoped_refptr<Layer> expected_child = Layer::Create();
root->AddChild(parent);
parent->AddChild(child);
root->AddChild(clip_layer);
clip_layer->AddChild(expected_parent);
expected_parent->AddChild(expected_child);
host()->SetRootLayer(root);
root->SetIsDrawable(true);
parent->SetIsDrawable(true);
child->SetIsDrawable(true);
expected_parent->SetIsDrawable(true);
expected_child->SetIsDrawable(true);
// Set layer positions.
root->SetPosition(gfx::PointF(kRootLayerBounds.origin()));
parent->SetPosition(gfx::PointF(kParentLayerBounds.origin()));
child->SetPosition(gfx::PointF(kChildLayerBounds.origin()));
clip_layer->SetPosition(gfx::PointF(kClipBounds.origin()));
expected_parent->SetPosition(
gfx::PointF(kExpectedParentLayerBounds.origin()));
expected_child->SetPosition(gfx::PointF(kChildLayerBounds.origin()));
root->SetBounds(kRootLayerBounds.size());
parent->SetBounds(kParentLayerBounds.size());
child->SetBounds(kChildLayerBounds.size());
clip_layer->SetBounds(kClipBounds.size());
expected_parent->SetBounds(kExpectedParentLayerBounds.size());
expected_child->SetBounds(kChildLayerBounds.size());
parent->SetClipRect(kClipBounds);
clip_layer->SetMasksToBounds(true);
UpdateMainDrawProperties(kDeviceScale);
EXPECT_EQ(GetClipNode(parent.get())->clip, gfx::RectF(kClipBounds));
EXPECT_TRUE(!parent->clip_rect().IsEmpty());
EXPECT_EQ(GetClipNode(child.get())->clip, gfx::RectF(kClipBounds));
CommitAndActivate(kDeviceScale);
LayerTreeImpl* layer_tree_impl = host()->host_impl()->active_tree();
// Get the layer impl for each Layer.
LayerImpl* parent_impl = layer_tree_impl->LayerById(parent->id());
LayerImpl* child_impl = layer_tree_impl->LayerById(child->id());
LayerImpl* expected_parent_impl =
layer_tree_impl->LayerById(expected_parent->id());
LayerImpl* expected_child_impl =
layer_tree_impl->LayerById(expected_child->id());
EXPECT_EQ(kDeviceScale, layer_tree_impl->device_scale_factor());
EXPECT_TRUE(parent_impl->is_clipped());
EXPECT_TRUE(child_impl->is_clipped());
ASSERT_TRUE(expected_parent_impl->is_clipped());
ASSERT_TRUE(expected_child_impl->is_clipped());
EXPECT_EQ(parent_impl->clip_rect(), expected_parent_impl->clip_rect());
EXPECT_EQ(child_impl->clip_rect(), expected_child_impl->clip_rect());
}
// In layer tree mode, not using impl-side PropertyTreeBuilder.
TEST_F(DrawPropertiesTestWithLayerTree, CustomLayerClipBoundsWithMaskToBounds) {
// The custom clip API should have the same effect as if an intermediate
// clip layer has been added to the layer tree. To check this the test creates
// 2 subtree for a root layer. One of the subtree uses the clip API to clip
// its subtree while the other uses an intermediate layer. The resulting clip
// in draw properties are expected to be the same. In this test, the subtree
// roots also have their masks to bounds property set.
// -Root
// - Parent [Clip set to |kClipBounds| using API]
// - Child
// - Clip Layer [Masks to bounds = true] [Layer bounds set to |kClipBounds|]
// - Expected Parent [Masks to bounds = true]
// - Expected Child
constexpr float kDeviceScale = 1.f;
const gfx::Rect kRootLayerBounds(0, 0, 100, 100);
const gfx::Rect kParentLayerBounds(0, 0, 50, 100);
const gfx::Rect kChildLayerBounds(20, 20, 30, 60);
constexpr gfx::Rect kClipBounds(10, 10, 50, 50);
// The position of |Expected Parent| on screen should be same as |Parent|.
const gfx::Rect kExpectedParentLayerBounds(
gfx::Point(0, 0) - kClipBounds.OffsetFromOrigin(), gfx::Size(50, 100));
scoped_refptr<Layer> root = Layer::Create();
scoped_refptr<Layer> parent = Layer::Create();
scoped_refptr<Layer> child = Layer::Create();
scoped_refptr<Layer> clip_layer = Layer::Create();
scoped_refptr<Layer> expected_parent = Layer::Create();
scoped_refptr<Layer> expected_child = Layer::Create();
root->AddChild(parent);
parent->AddChild(child);
root->AddChild(clip_layer);
clip_layer->AddChild(expected_parent);
expected_parent->AddChild(expected_child);
host()->SetRootLayer(root);
root->SetIsDrawable(true);
parent->SetIsDrawable(true);
child->SetIsDrawable(true);
expected_parent->SetIsDrawable(true);
expected_child->SetIsDrawable(true);
// Set layer positions.
root->SetPosition(gfx::PointF(kRootLayerBounds.origin()));
parent->SetPosition(gfx::PointF(kParentLayerBounds.origin()));
child->SetPosition(gfx::PointF(kChildLayerBounds.origin()));
clip_layer->SetPosition(gfx::PointF(kClipBounds.origin()));
expected_parent->SetPosition(
gfx::PointF(kExpectedParentLayerBounds.origin()));
expected_child->SetPosition(gfx::PointF(kChildLayerBounds.origin()));
root->SetBounds(kRootLayerBounds.size());
parent->SetBounds(kParentLayerBounds.size());
child->SetBounds(kChildLayerBounds.size());
clip_layer->SetBounds(kClipBounds.size());
expected_parent->SetBounds(kExpectedParentLayerBounds.size());
expected_child->SetBounds(kChildLayerBounds.size());
parent->SetClipRect(kClipBounds);
parent->SetMasksToBounds(true);
clip_layer->SetMasksToBounds(true);
expected_parent->SetMasksToBounds(true);
UpdateMainDrawProperties(kDeviceScale);
const gfx::RectF expected_clip_bounds = gfx::IntersectRects(
gfx::RectF(kClipBounds), gfx::RectF(kParentLayerBounds));
EXPECT_EQ(GetClipNode(parent.get())->clip, expected_clip_bounds);
EXPECT_TRUE(!parent->clip_rect().IsEmpty());
EXPECT_EQ(GetClipNode(child.get())->clip, expected_clip_bounds);
CommitAndActivate(kDeviceScale);
LayerTreeImpl* layer_tree_impl = host()->host_impl()->active_tree();
// Get the layer impl for each Layer.
LayerImpl* parent_impl = layer_tree_impl->LayerById(parent->id());
LayerImpl* child_impl = layer_tree_impl->LayerById(child->id());
LayerImpl* expected_parent_impl =
layer_tree_impl->LayerById(expected_parent->id());
LayerImpl* expected_child_impl =
layer_tree_impl->LayerById(expected_child->id());
EXPECT_EQ(kDeviceScale, layer_tree_impl->device_scale_factor());
EXPECT_TRUE(parent_impl->is_clipped());
EXPECT_TRUE(child_impl->is_clipped());
ASSERT_TRUE(expected_parent_impl->is_clipped());
ASSERT_TRUE(expected_child_impl->is_clipped());
EXPECT_EQ(parent_impl->clip_rect(), expected_parent_impl->clip_rect());
EXPECT_EQ(child_impl->clip_rect(), expected_child_impl->clip_rect());
}
// In layer tree mode, not using impl-side PropertyTreeBuilder.
TEST_F(DrawPropertiesTestWithLayerTree, RoundedCornerOnRenderSurface) {
// -Root
// - Parent 1
// - [Render Surface] Child 1 with rounded corner
// - [Render Surface] Parent 2 with rounded corner
// - [Render Surface] Child 2
// - Parent 3 with rounded corner
// - [Render Surface] Child 3
scoped_refptr<Layer> root = Layer::Create();
host()->SetRootLayer(root);
root->SetBounds(gfx::Size(250, 250));
root->SetIsDrawable(true);
scoped_refptr<Layer> parent_1 = Layer::Create();
root->AddChild(parent_1);
parent_1->SetBounds(gfx::Size(80, 80));
parent_1->SetPosition(gfx::PointF(0, 0));
parent_1->SetIsDrawable(true);
scoped_refptr<Layer> parent_2 = Layer::Create();
root->AddChild(parent_2);
parent_2->SetBounds(gfx::Size(80, 80));
parent_1->SetPosition(gfx::PointF(80, 80));
parent_2->SetIsDrawable(true);
parent_2->SetForceRenderSurfaceForTesting(true);
parent_2->SetRoundedCorner(gfx::RoundedCornersF(10.f));
parent_2->SetIsFastRoundedCorner(true);
scoped_refptr<Layer> parent_3 = Layer::Create();
root->AddChild(parent_3);
parent_3->SetBounds(gfx::Size(80, 80));
parent_1->SetPosition(gfx::PointF(160, 160));
parent_3->SetIsDrawable(true);
parent_3->SetRoundedCorner(gfx::RoundedCornersF(10.f));
parent_3->SetIsFastRoundedCorner(true);
scoped_refptr<Layer> child_1 = Layer::Create();
parent_1->AddChild(child_1);
child_1->SetBounds(gfx::Size(80, 80));
child_1->SetIsDrawable(true);
child_1->SetForceRenderSurfaceForTesting(true);
child_1->SetRoundedCorner(gfx::RoundedCornersF(10.f));
child_1->SetIsFastRoundedCorner(true);
scoped_refptr<Layer> child_2 = Layer::Create();
parent_2->AddChild(child_2);
child_2->SetBounds(gfx::Size(80, 80));
child_2->SetIsDrawable(true);
child_2->SetForceRenderSurfaceForTesting(true);
scoped_refptr<Layer> child_3 = Layer::Create();
parent_3->AddChild(child_3);
child_3->SetBounds(gfx::Size(80, 80));
child_3->SetIsDrawable(true);
child_3->SetForceRenderSurfaceForTesting(true);
UpdateMainDrawProperties();
CommitAndActivate();
EXPECT_FALSE(
GetRenderSurfaceImpl(child_1)->rounded_corner_bounds().IsEmpty());
EXPECT_FALSE(
GetRenderSurfaceImpl(child_2)->rounded_corner_bounds().IsEmpty());
EXPECT_FALSE(
GetRenderSurfaceImpl(child_3)->rounded_corner_bounds().IsEmpty());
}
} // namespace
} // namespace cc