blob: 7404e4e266323a981d7d0869c9ae41978f545aa3 [file] [log] [blame]
// Copyright 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/layers/layer_impl.h"
#include "cc/layers/painted_scrollbar_layer_impl.h"
#include "cc/layers/solid_color_scrollbar_layer_impl.h"
#include "cc/output/filter_operation.h"
#include "cc/output/filter_operations.h"
#include "cc/test/fake_impl_proxy.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/fake_output_surface.h"
#include "cc/test/geometry_test_utils.h"
#include "cc/test/test_shared_bitmap_manager.h"
#include "cc/test/test_task_graph_runner.h"
#include "cc/trees/layer_tree_impl.h"
#include "cc/trees/single_thread_proxy.h"
#include "cc/trees/tree_synchronizer.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/effects/SkBlurImageFilter.h"
namespace cc {
namespace {
#define EXECUTE_AND_VERIFY_SUBTREE_CHANGED(code_to_test) \
root->ResetAllChangeTrackingForSubtree(); \
code_to_test; \
EXPECT_TRUE(root->needs_push_properties()); \
EXPECT_FALSE(child->needs_push_properties()); \
EXPECT_FALSE(grand_child->needs_push_properties()); \
EXPECT_TRUE(root->LayerPropertyChanged()); \
EXPECT_TRUE(child->LayerPropertyChanged()); \
EXPECT_TRUE(grand_child->LayerPropertyChanged());
#define EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(code_to_test) \
root->ResetAllChangeTrackingForSubtree(); \
code_to_test; \
EXPECT_FALSE(root->needs_push_properties()); \
EXPECT_FALSE(child->needs_push_properties()); \
EXPECT_FALSE(grand_child->needs_push_properties()); \
EXPECT_FALSE(root->LayerPropertyChanged()); \
EXPECT_FALSE(child->LayerPropertyChanged()); \
EXPECT_FALSE(grand_child->LayerPropertyChanged());
#define EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE( \
code_to_test) \
root->ResetAllChangeTrackingForSubtree(); \
code_to_test; \
EXPECT_TRUE(root->needs_push_properties()); \
EXPECT_FALSE(child->needs_push_properties()); \
EXPECT_FALSE(grand_child->needs_push_properties()); \
EXPECT_FALSE(root->LayerPropertyChanged()); \
EXPECT_FALSE(child->LayerPropertyChanged()); \
EXPECT_FALSE(grand_child->LayerPropertyChanged());
#define EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(code_to_test) \
root->ResetAllChangeTrackingForSubtree(); \
code_to_test; \
EXPECT_TRUE(root->needs_push_properties()); \
EXPECT_FALSE(child->needs_push_properties()); \
EXPECT_FALSE(grand_child->needs_push_properties()); \
EXPECT_TRUE(root->LayerPropertyChanged()); \
EXPECT_FALSE(child->LayerPropertyChanged()); \
EXPECT_FALSE(grand_child->LayerPropertyChanged());
#define VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(code_to_test) \
root->ResetAllChangeTrackingForSubtree(); \
host_impl.ForcePrepareToDraw(); \
EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); \
code_to_test; \
EXPECT_TRUE(host_impl.active_tree()->needs_update_draw_properties());
#define VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(code_to_test) \
root->ResetAllChangeTrackingForSubtree(); \
host_impl.ForcePrepareToDraw(); \
EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties()); \
code_to_test; \
EXPECT_FALSE(host_impl.active_tree()->needs_update_draw_properties());
TEST(LayerImplTest, VerifyLayerChangesAreTrackedProperly) {
//
// This test checks that layerPropertyChanged() has the correct behavior.
//
// The constructor on this will fake that we are on the correct thread.
// Create a simple LayerImpl tree:
FakeImplProxy proxy;
TestSharedBitmapManager shared_bitmap_manager;
TestTaskGraphRunner task_graph_runner;
scoped_ptr<OutputSurface> output_surface = FakeOutputSurface::Create3d();
FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
&task_graph_runner);
EXPECT_TRUE(host_impl.InitializeRenderer(output_surface.get()));
scoped_ptr<LayerImpl> root_clip =
LayerImpl::Create(host_impl.active_tree(), 1);
scoped_ptr<LayerImpl> root_ptr =
LayerImpl::Create(host_impl.active_tree(), 2);
LayerImpl* root = root_ptr.get();
root_clip->AddChild(root_ptr.Pass());
scoped_ptr<LayerImpl> scroll_parent =
LayerImpl::Create(host_impl.active_tree(), 3);
LayerImpl* scroll_child = LayerImpl::Create(host_impl.active_tree(), 4).get();
std::set<LayerImpl*>* scroll_children = new std::set<LayerImpl*>();
scroll_children->insert(scroll_child);
scroll_children->insert(root);
root->SetHasRenderSurface(true);
scoped_ptr<LayerImpl> clip_parent =
LayerImpl::Create(host_impl.active_tree(), 5);
LayerImpl* clip_child = LayerImpl::Create(host_impl.active_tree(), 6).get();
std::set<LayerImpl*>* clip_children = new std::set<LayerImpl*>();
clip_children->insert(clip_child);
clip_children->insert(root);
root->AddChild(LayerImpl::Create(host_impl.active_tree(), 7));
LayerImpl* child = root->children()[0];
child->AddChild(LayerImpl::Create(host_impl.active_tree(), 8));
LayerImpl* grand_child = child->children()[0];
root->SetScrollClipLayer(root_clip->id());
// Adding children is an internal operation and should not mark layers as
// changed.
EXPECT_FALSE(root->LayerPropertyChanged());
EXPECT_FALSE(child->LayerPropertyChanged());
EXPECT_FALSE(grand_child->LayerPropertyChanged());
gfx::PointF arbitrary_point_f = gfx::PointF(0.125f, 0.25f);
gfx::Point3F arbitrary_point_3f = gfx::Point3F(0.125f, 0.25f, 0.f);
float arbitrary_number = 0.352f;
gfx::Size arbitrary_size = gfx::Size(111, 222);
gfx::Point arbitrary_point = gfx::Point(333, 444);
gfx::Vector2d arbitrary_vector2d = gfx::Vector2d(111, 222);
gfx::Rect arbitrary_rect = gfx::Rect(arbitrary_point, arbitrary_size);
gfx::RectF arbitrary_rect_f =
gfx::RectF(arbitrary_point_f, gfx::SizeF(1.234f, 5.678f));
SkColor arbitrary_color = SkColorSetRGB(10, 20, 30);
gfx::Transform arbitrary_transform;
arbitrary_transform.Scale3d(0.1f, 0.2f, 0.3f);
FilterOperations arbitrary_filters;
arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f));
SkXfermode::Mode arbitrary_blend_mode = SkXfermode::kMultiply_Mode;
// These properties are internal, and should not be considered "change" when
// they are used.
EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
root->SetUpdateRect(arbitrary_rect));
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(arbitrary_size));
// Changing these properties affects the entire subtree of layers.
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(
root->SetTransformOrigin(arbitrary_point_3f));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilters(arbitrary_filters));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetFilters(FilterOperations()));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(
root->SetMaskLayer(LayerImpl::Create(host_impl.active_tree(), 9)));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetMasksToBounds(true));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetContentsOpaque(true));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(
root->SetReplicaLayer(LayerImpl::Create(host_impl.active_tree(), 10)));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetPosition(arbitrary_point_f));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetShouldFlattenTransform(false));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->Set3dSortingContextId(1));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(
root->SetDoubleSided(false)); // constructor initializes it to "true".
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->ScrollBy(arbitrary_vector2d));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetScrollDelta(gfx::Vector2d()));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->PushScrollOffsetFromMainThread(
gfx::ScrollOffset(arbitrary_vector2d)));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetHideLayerAndSubtree(true));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetOpacity(arbitrary_number));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetBlendMode(arbitrary_blend_mode));
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetTransform(arbitrary_transform));
// Changing these properties only affects the layer itself.
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetDrawsContent(true));
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(
root->SetBackgroundColor(arbitrary_color));
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(
root->SetBackgroundFilters(arbitrary_filters));
// Special case: check that SetBounds changes behavior depending on
// masksToBounds.
root->SetMasksToBounds(false);
EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetBounds(gfx::Size(135, 246)));
root->SetMasksToBounds(true);
// Should be a different size than previous call, to ensure it marks tree
// changed.
EXECUTE_AND_VERIFY_SUBTREE_CHANGED(root->SetBounds(arbitrary_size));
// Changing this property does not cause the layer to be marked as changed
// but does cause the layer to need to push properties.
EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
root->SetIsRootForIsolatedGroup(true));
// Changing these properties should cause the layer to need to push properties
EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
root->SetScrollParent(scroll_parent.get()));
EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
root->SetScrollChildren(scroll_children));
EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
root->SetClipParent(clip_parent.get()));
EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
root->SetClipChildren(clip_children));
EXECUTE_AND_VERIFY_NEEDS_PUSH_PROPERTIES_AND_SUBTREE_DID_NOT_CHANGE(
root->SetNumDescendantsThatDrawContent(10));
// After setting all these properties already, setting to the exact same
// values again should not cause any change.
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
root->SetTransformOrigin(arbitrary_point_3f));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetMasksToBounds(true));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
root->SetPosition(arbitrary_point_f));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
root->SetShouldFlattenTransform(false));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->Set3dSortingContextId(1));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
root->SetTransform(arbitrary_transform));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
root->SetDoubleSided(false)); // constructor initializes it to "true".
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
root->SetScrollDelta(gfx::Vector2d()));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
root->PushScrollOffsetFromMainThread(
gfx::ScrollOffset(arbitrary_vector2d)));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetContentsOpaque(true));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetOpacity(arbitrary_number));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
root->SetBlendMode(arbitrary_blend_mode));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
root->SetIsRootForIsolatedGroup(true));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetDrawsContent(true));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(root->SetBounds(arbitrary_size));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
root->SetScrollParent(scroll_parent.get()));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
root->SetScrollChildren(scroll_children));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
root->SetClipParent(clip_parent.get()));
EXECUTE_AND_VERIFY_SUBTREE_DID_NOT_CHANGE(
root->SetClipChildren(clip_children));
}
TEST(LayerImplTest, VerifyNeedsUpdateDrawProperties) {
FakeImplProxy proxy;
TestSharedBitmapManager shared_bitmap_manager;
TestTaskGraphRunner task_graph_runner;
scoped_ptr<OutputSurface> output_surface = FakeOutputSurface::Create3d();
FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
&task_graph_runner);
EXPECT_TRUE(host_impl.InitializeRenderer(output_surface.get()));
host_impl.active_tree()->SetRootLayer(
LayerImpl::Create(host_impl.active_tree(), 1));
LayerImpl* root = host_impl.active_tree()->root_layer();
root->SetHasRenderSurface(true);
scoped_ptr<LayerImpl> layer_ptr =
LayerImpl::Create(host_impl.active_tree(), 2);
LayerImpl* layer = layer_ptr.get();
root->AddChild(layer_ptr.Pass());
layer->SetScrollClipLayer(root->id());
DCHECK(host_impl.CanDraw());
gfx::PointF arbitrary_point_f = gfx::PointF(0.125f, 0.25f);
float arbitrary_number = 0.352f;
gfx::Size arbitrary_size = gfx::Size(111, 222);
gfx::Point arbitrary_point = gfx::Point(333, 444);
gfx::Vector2d arbitrary_vector2d = gfx::Vector2d(111, 222);
gfx::Size large_size = gfx::Size(1000, 1000);
gfx::Rect arbitrary_rect = gfx::Rect(arbitrary_point, arbitrary_size);
gfx::RectF arbitrary_rect_f =
gfx::RectF(arbitrary_point_f, gfx::SizeF(1.234f, 5.678f));
SkColor arbitrary_color = SkColorSetRGB(10, 20, 30);
gfx::Transform arbitrary_transform;
arbitrary_transform.Scale3d(0.1f, 0.2f, 0.3f);
FilterOperations arbitrary_filters;
arbitrary_filters.Append(FilterOperation::CreateOpacityFilter(0.5f));
SkXfermode::Mode arbitrary_blend_mode = SkXfermode::kMultiply_Mode;
// Render surface functions.
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetHasRenderSurface(true));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetHasRenderSurface(true));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetHasRenderSurface(false));
// Create a render surface, because we must have a render surface if we have
// filters.
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetHasRenderSurface(true));
// Related filter functions.
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(FilterOperations()));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters));
// Related scrolling functions.
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(large_size));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(large_size));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->ScrollBy(arbitrary_vector2d));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->ScrollBy(gfx::Vector2d()));
layer->SetScrollDelta(gfx::Vector2d(0, 0));
host_impl.ForcePrepareToDraw();
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetScrollDelta(arbitrary_vector2d));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetScrollDelta(arbitrary_vector2d));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->PushScrollOffsetFromMainThread(
gfx::ScrollOffset(arbitrary_vector2d)));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->PushScrollOffsetFromMainThread(
gfx::ScrollOffset(arbitrary_vector2d)));
// Unrelated functions, always set to new values, always set needs update.
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetMaskLayer(LayerImpl::Create(host_impl.active_tree(), 4)));
host_impl.active_tree()->BuildPropertyTreesForTesting();
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetMasksToBounds(true));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetReplicaLayer(LayerImpl::Create(host_impl.active_tree(), 5)));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetPosition(arbitrary_point_f));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetShouldFlattenTransform(false));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->Set3dSortingContextId(1));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetDoubleSided(false)); // constructor initializes it to "true".
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetDrawsContent(true));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetBackgroundColor(arbitrary_color));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetBackgroundFilters(arbitrary_filters));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetOpacity(arbitrary_number));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetBlendMode(arbitrary_blend_mode));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetTransform(arbitrary_transform));
VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(arbitrary_size));
// Unrelated functions, set to the same values, no needs update.
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetIsRootForIsolatedGroup(true));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetFilters(arbitrary_filters));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetMasksToBounds(true));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetContentsOpaque(true));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetPosition(arbitrary_point_f));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->Set3dSortingContextId(1));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetDoubleSided(false)); // constructor initializes it to "true".
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetDrawsContent(true));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetBackgroundColor(arbitrary_color));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetBackgroundFilters(arbitrary_filters));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetOpacity(arbitrary_number));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetBlendMode(arbitrary_blend_mode));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetIsRootForIsolatedGroup(true));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
layer->SetTransform(arbitrary_transform));
VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBounds(arbitrary_size));
}
TEST(LayerImplTest, SafeOpaqueBackgroundColor) {
FakeImplProxy proxy;
TestSharedBitmapManager shared_bitmap_manager;
TestTaskGraphRunner task_graph_runner;
scoped_ptr<OutputSurface> output_surface = FakeOutputSurface::Create3d();
FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
&task_graph_runner);
EXPECT_TRUE(host_impl.InitializeRenderer(output_surface.get()));
scoped_ptr<LayerImpl> layer = LayerImpl::Create(host_impl.active_tree(), 1);
for (int contents_opaque = 0; contents_opaque < 2; ++contents_opaque) {
for (int layer_opaque = 0; layer_opaque < 2; ++layer_opaque) {
for (int host_opaque = 0; host_opaque < 2; ++host_opaque) {
layer->SetContentsOpaque(!!contents_opaque);
layer->SetBackgroundColor(layer_opaque ? SK_ColorRED
: SK_ColorTRANSPARENT);
host_impl.active_tree()->set_background_color(
host_opaque ? SK_ColorRED : SK_ColorTRANSPARENT);
SkColor safe_color = layer->SafeOpaqueBackgroundColor();
if (contents_opaque) {
EXPECT_EQ(SkColorGetA(safe_color), 255u)
<< "Flags: " << contents_opaque << ", " << layer_opaque << ", "
<< host_opaque << "\n";
} else {
EXPECT_NE(SkColorGetA(safe_color), 255u)
<< "Flags: " << contents_opaque << ", " << layer_opaque << ", "
<< host_opaque << "\n";
}
}
}
}
}
TEST(LayerImplTest, TransformInvertibility) {
FakeImplProxy proxy;
TestSharedBitmapManager shared_bitmap_manager;
TestTaskGraphRunner task_graph_runner;
FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
&task_graph_runner);
scoped_ptr<LayerImpl> layer = LayerImpl::Create(host_impl.active_tree(), 1);
EXPECT_TRUE(layer->transform().IsInvertible());
EXPECT_TRUE(layer->transform_is_invertible());
gfx::Transform transform;
transform.Scale3d(
SkDoubleToMScalar(1.0), SkDoubleToMScalar(1.0), SkDoubleToMScalar(0.0));
layer->SetTransform(transform);
EXPECT_FALSE(layer->transform().IsInvertible());
EXPECT_FALSE(layer->transform_is_invertible());
transform.MakeIdentity();
transform.ApplyPerspectiveDepth(SkDoubleToMScalar(100.0));
transform.RotateAboutZAxis(75.0);
transform.RotateAboutXAxis(32.2);
transform.RotateAboutZAxis(-75.0);
transform.Translate3d(SkDoubleToMScalar(50.5),
SkDoubleToMScalar(42.42),
SkDoubleToMScalar(-100.25));
layer->SetTransform(transform);
EXPECT_TRUE(layer->transform().IsInvertible());
EXPECT_TRUE(layer->transform_is_invertible());
}
class LayerImplScrollTest : public testing::Test {
public:
LayerImplScrollTest()
: host_impl_(settings(),
&proxy_,
&shared_bitmap_manager_,
&task_graph_runner_),
root_id_(7) {
host_impl_.active_tree()->SetRootLayer(
LayerImpl::Create(host_impl_.active_tree(), root_id_));
host_impl_.active_tree()->root_layer()->AddChild(
LayerImpl::Create(host_impl_.active_tree(), root_id_ + 1));
layer()->SetScrollClipLayer(root_id_);
// Set the max scroll offset by noting that the root layer has bounds (1,1),
// thus whatever bounds are set for the layer will be the max scroll
// offset plus 1 in each direction.
host_impl_.active_tree()->root_layer()->SetBounds(gfx::Size(1, 1));
gfx::Vector2d max_scroll_offset(51, 81);
layer()->SetBounds(gfx::Size(max_scroll_offset.x(), max_scroll_offset.y()));
}
LayerImpl* layer() {
return host_impl_.active_tree()->root_layer()->children()[0];
}
LayerTreeHostImpl& host_impl() { return host_impl_; }
LayerTreeImpl* tree() { return host_impl_.active_tree(); }
LayerTreeSettings settings() {
LayerTreeSettings settings;
return settings;
}
private:
FakeImplProxy proxy_;
TestSharedBitmapManager shared_bitmap_manager_;
TestTaskGraphRunner task_graph_runner_;
FakeLayerTreeHostImpl host_impl_;
int root_id_;
};
TEST_F(LayerImplScrollTest, ScrollByWithZeroOffset) {
// Test that LayerImpl::ScrollBy only affects ScrollDelta and total scroll
// offset is bounded by the range [0, max scroll offset].
EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->CurrentScrollOffset());
EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->BaseScrollOffset());
EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta());
layer()->ScrollBy(gfx::Vector2dF(-100, 100));
EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->CurrentScrollOffset());
EXPECT_VECTOR_EQ(layer()->ScrollDelta(), layer()->CurrentScrollOffset());
EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->BaseScrollOffset());
layer()->ScrollBy(gfx::Vector2dF(100, -100));
EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->CurrentScrollOffset());
EXPECT_VECTOR_EQ(layer()->ScrollDelta(), layer()->CurrentScrollOffset());
EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->BaseScrollOffset());
}
TEST_F(LayerImplScrollTest, ScrollByWithNonZeroOffset) {
gfx::ScrollOffset scroll_offset(10, 5);
layer()->PushScrollOffsetFromMainThread(scroll_offset);
EXPECT_VECTOR_EQ(scroll_offset, layer()->CurrentScrollOffset());
EXPECT_VECTOR_EQ(scroll_offset, layer()->BaseScrollOffset());
EXPECT_VECTOR_EQ(gfx::Vector2dF(), layer()->ScrollDelta());
layer()->ScrollBy(gfx::Vector2dF(-100, 100));
EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 80), layer()->CurrentScrollOffset());
EXPECT_VECTOR_EQ(
gfx::ScrollOffsetWithDelta(scroll_offset, layer()->ScrollDelta()),
layer()->CurrentScrollOffset());
EXPECT_VECTOR_EQ(scroll_offset, layer()->BaseScrollOffset());
layer()->ScrollBy(gfx::Vector2dF(100, -100));
EXPECT_VECTOR_EQ(gfx::Vector2dF(50, 0), layer()->CurrentScrollOffset());
EXPECT_VECTOR_EQ(
gfx::ScrollOffsetWithDelta(scroll_offset, layer()->ScrollDelta()),
layer()->CurrentScrollOffset());
EXPECT_VECTOR_EQ(scroll_offset, layer()->BaseScrollOffset());
}
TEST_F(LayerImplScrollTest, ApplySentScrollsNoListener) {
gfx::ScrollOffset scroll_offset(10, 5);
gfx::Vector2dF scroll_delta(20.5f, 8.5f);
gfx::Vector2d sent_scroll_delta(12, -3);
layer()->PushScrollOffsetFromMainThread(scroll_offset);
layer()->ScrollBy(sent_scroll_delta);
layer()->PullDeltaForMainThread();
layer()->SetCurrentScrollOffset(scroll_offset +
gfx::ScrollOffset(scroll_delta));
EXPECT_VECTOR_EQ(gfx::ScrollOffsetWithDelta(scroll_offset, scroll_delta),
layer()->CurrentScrollOffset());
EXPECT_VECTOR_EQ(scroll_delta, layer()->ScrollDelta());
EXPECT_VECTOR_EQ(scroll_offset, layer()->BaseScrollOffset());
layer()->ApplySentScrollDeltasFromAbortedCommit();
EXPECT_VECTOR_EQ(gfx::ScrollOffsetWithDelta(scroll_offset, scroll_delta),
layer()->CurrentScrollOffset());
EXPECT_VECTOR_EQ(scroll_delta - sent_scroll_delta, layer()->ScrollDelta());
EXPECT_VECTOR_EQ(gfx::ScrollOffsetWithDelta(scroll_offset, sent_scroll_delta),
layer()->BaseScrollOffset());
}
TEST_F(LayerImplScrollTest, ScrollUserUnscrollableLayer) {
gfx::ScrollOffset scroll_offset(10, 5);
gfx::Vector2dF scroll_delta(20.5f, 8.5f);
layer()->set_user_scrollable_vertical(false);
layer()->PushScrollOffsetFromMainThread(scroll_offset);
gfx::Vector2dF unscrolled = layer()->ScrollBy(scroll_delta);
EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 8.5f), unscrolled);
EXPECT_VECTOR_EQ(gfx::Vector2dF(30.5f, 5), layer()->CurrentScrollOffset());
}
TEST_F(LayerImplScrollTest, PushPropertiesToMirrorsCurrentScrollOffset) {
gfx::ScrollOffset scroll_offset(10, 5);
gfx::Vector2dF scroll_delta(12, 18);
host_impl().CreatePendingTree();
layer()->PushScrollOffsetFromMainThread(scroll_offset);
gfx::Vector2dF unscrolled = layer()->ScrollBy(scroll_delta);
EXPECT_VECTOR_EQ(gfx::Vector2dF(0, 0), unscrolled);
EXPECT_VECTOR_EQ(gfx::Vector2dF(22, 23), layer()->CurrentScrollOffset());
layer()->PullDeltaForMainThread();
scoped_ptr<LayerImpl> pending_layer = LayerImpl::Create(
host_impl().sync_tree(), layer()->id(), layer()->synced_scroll_offset());
pending_layer->PushScrollOffsetFromMainThread(layer()->CurrentScrollOffset());
pending_layer->PushPropertiesTo(layer());
EXPECT_VECTOR_EQ(gfx::Vector2dF(22, 23), layer()->CurrentScrollOffset());
EXPECT_VECTOR_EQ(layer()->CurrentScrollOffset(),
pending_layer->CurrentScrollOffset());
}
TEST_F(LayerImplScrollTest, SetNewScrollbarParameters) {
gfx::ScrollOffset scroll_offset(10, 5);
layer()->PushScrollOffsetFromMainThread(scroll_offset);
scoped_ptr<PaintedScrollbarLayerImpl> vertical_scrollbar(
PaintedScrollbarLayerImpl::Create(tree(), 100, VERTICAL));
vertical_scrollbar->SetScrollLayerAndClipLayerByIds(
layer()->id(), tree()->root_layer()->id());
int expected_vertical_maximum =
layer()->bounds().height() - tree()->root_layer()->bounds().height();
EXPECT_EQ(expected_vertical_maximum, vertical_scrollbar->maximum());
EXPECT_EQ(scroll_offset.y(), vertical_scrollbar->current_pos());
scoped_ptr<PaintedScrollbarLayerImpl> horizontal_scrollbar(
PaintedScrollbarLayerImpl::Create(tree(), 101, HORIZONTAL));
horizontal_scrollbar->SetScrollLayerAndClipLayerByIds(
layer()->id(), tree()->root_layer()->id());
int expected_horizontal_maximum =
layer()->bounds().width() - tree()->root_layer()->bounds().width();
EXPECT_EQ(expected_horizontal_maximum, horizontal_scrollbar->maximum());
EXPECT_EQ(scroll_offset.x(), horizontal_scrollbar->current_pos());
}
class LayerImplScrollbarSyncTest : public testing::Test {
public:
enum {
ROOT = 1,
IV_CLIP = 2,
PAGE = 3,
IV_SCROLL = 4,
SCROLLBAR = 5,
OLD_ROOT = 6,
OV_CLIP = 7,
OV_SCROLL = 8,
};
enum TreeID {
PENDING,
ACTIVE
};
LayerImplScrollbarSyncTest()
: host_impl_(settings(),
&proxy_,
&shared_bitmap_manager_,
&task_graph_runner_) {
host_impl_.CreatePendingTree();
CreateLayers(host_impl_.pending_tree());
CreateLayers(host_impl_.active_tree());
}
void CreateLayers(LayerTreeImpl * tree) {
tree->SetRootLayer(LayerImpl::Create(tree, ROOT));
LayerImpl * root = tree->root_layer();
ASSERT_TRUE(root != nullptr);
int hierarchy[] = {IV_CLIP, PAGE, IV_SCROLL, OLD_ROOT, OV_CLIP, OV_SCROLL};
LayerImpl * parent = root;
for (int child_id : hierarchy) {
parent->AddChild(LayerImpl::Create(tree, child_id));
parent = tree->LayerById(child_id);
ASSERT_TRUE(parent != nullptr);
}
root->AddChild(
SolidColorScrollbarLayerImpl::Create(tree, SCROLLBAR, HORIZONTAL,
5, 5, false, true));
}
LayerImpl* layer(int id, TreeID tree_id) {
LayerTreeImpl* tree =
((tree_id == PENDING) ?
host_impl_.pending_tree() : host_impl_.active_tree());
assert(tree);
return tree->LayerById(id);
}
bool LayerHasScrollbar(int id, TreeID tree_id) {
return layer(id, tree_id)->HasScrollbar(HORIZONTAL);
}
ScrollbarLayerImplBase* pending_scrollbar() {
LayerImpl* layer_impl = layer(SCROLLBAR, PENDING);
assert(layer_impl);
return layer_impl->ToScrollbarLayer();
}
LayerImpl* pending_root() {
LayerImpl * result = layer(ROOT, PENDING);
assert(result);
return result;
}
LayerImpl* active_root() {
LayerImpl * result = layer(ROOT, ACTIVE);
assert(result);
return result;
}
LayerTreeSettings settings() {
LayerTreeSettings settings;
return settings;
}
private:
FakeImplProxy proxy_;
TestSharedBitmapManager shared_bitmap_manager_;
TestTaskGraphRunner task_graph_runner_;
FakeLayerTreeHostImpl host_impl_;
};
TEST_F(LayerImplScrollbarSyncTest, LayerImplBecomesScrollable) {
// In the beginning IV_SCROLL layer is not scrollable.
ASSERT_FALSE(layer(IV_SCROLL, PENDING)->scrollable());
// For pinch virtual viewport the clip layer is the inner viewport
// clip layer (IV_CLIP) and the scroll one is the outer viewport
// scroll layer (OV_SCROLL).
pending_scrollbar()->SetScrollLayerAndClipLayerByIds(OV_SCROLL, IV_CLIP);
ASSERT_TRUE(LayerHasScrollbar(OV_SCROLL, PENDING));
ASSERT_TRUE(LayerHasScrollbar(IV_CLIP, PENDING));
// Synchronize with the active tree.
TreeSynchronizer::PushProperties(pending_root(), active_root());
ASSERT_TRUE(LayerHasScrollbar(OV_SCROLL, ACTIVE));
ASSERT_TRUE(LayerHasScrollbar(IV_CLIP, ACTIVE));
// Make IV_SCROLL layer scrollable.
layer(IV_SCROLL, PENDING)->SetScrollClipLayer(IV_CLIP);
layer(IV_SCROLL, PENDING)->SetNeedsPushProperties();
ASSERT_TRUE(layer(IV_SCROLL, PENDING)->scrollable());
pending_scrollbar()->SetScrollLayerAndClipLayerByIds(OV_SCROLL, IV_CLIP);
// Now IV_CLIP layer should also receive the scrollbar.
ASSERT_TRUE(LayerHasScrollbar(OV_SCROLL, PENDING));
ASSERT_TRUE(LayerHasScrollbar(IV_CLIP, PENDING));
ASSERT_TRUE(LayerHasScrollbar(IV_SCROLL, PENDING));
// Synchronize with the active tree.
TreeSynchronizer::PushProperties(pending_root(), active_root());
ASSERT_TRUE(layer(IV_SCROLL, ACTIVE)->scrollable());
ASSERT_TRUE(LayerHasScrollbar(OV_SCROLL, ACTIVE));
ASSERT_TRUE(LayerHasScrollbar(IV_CLIP, ACTIVE));
ASSERT_TRUE(LayerHasScrollbar(IV_SCROLL, ACTIVE));
}
} // namespace
} // namespace cc