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occlusion_tracker_unittest.cc
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occlusion_tracker_unittest.cc
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// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/trees/occlusion_tracker.h"
#include <stddef.h>
#include "cc/animation/animation_host.h"
#include "cc/base/filter_operation.h"
#include "cc/base/filter_operations.h"
#include "cc/base/math_util.h"
#include "cc/layers/layer.h"
#include "cc/layers/layer_impl.h"
#include "cc/output/copy_output_request.h"
#include "cc/output/copy_output_result.h"
#include "cc/test/animation_test_common.h"
#include "cc/test/fake_impl_task_runner_provider.h"
#include "cc/test/fake_layer_tree_host.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/geometry_test_utils.h"
#include "cc/test/test_occlusion_tracker.h"
#include "cc/test/test_task_graph_runner.h"
#include "cc/trees/layer_tree_host_common.h"
#include "cc/trees/single_thread_proxy.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/transform.h"
namespace cc {
namespace {
class TestContentLayerImpl : public LayerImpl {
public:
TestContentLayerImpl(LayerTreeImpl* tree_impl, int id)
: LayerImpl(tree_impl, id), override_opaque_contents_rect_(false) {
SetDrawsContent(true);
}
SimpleEnclosedRegion VisibleOpaqueRegion() const override {
if (override_opaque_contents_rect_) {
return SimpleEnclosedRegion(
gfx::IntersectRects(opaque_contents_rect_, visible_layer_rect()));
}
return LayerImpl::VisibleOpaqueRegion();
}
void SetOpaqueContentsRect(const gfx::Rect& opaque_contents_rect) {
override_opaque_contents_rect_ = true;
opaque_contents_rect_ = opaque_contents_rect;
}
private:
bool override_opaque_contents_rect_;
gfx::Rect opaque_contents_rect_;
};
class TestOcclusionTrackerWithClip : public TestOcclusionTracker {
public:
explicit TestOcclusionTrackerWithClip(const gfx::Rect& viewport_rect)
: TestOcclusionTracker(viewport_rect) {}
bool OccludedLayer(const LayerImpl* layer,
const gfx::Rect& content_rect) const {
DCHECK(layer->visible_layer_rect().Contains(content_rect));
return this->GetCurrentOcclusionForLayer(layer->DrawTransform())
.IsOccluded(content_rect);
}
// Gives an unoccluded sub-rect of |content_rect| in the content space of the
// layer. Simple wrapper around GetUnoccludedContentRect.
gfx::Rect UnoccludedLayerContentRect(const LayerImpl* layer,
const gfx::Rect& content_rect) const {
DCHECK(layer->visible_layer_rect().Contains(content_rect));
return this->GetCurrentOcclusionForLayer(layer->DrawTransform())
.GetUnoccludedContentRect(content_rect);
}
gfx::Rect UnoccludedSurfaceContentRect(const LayerImpl* layer,
const gfx::Rect& content_rect) const {
RenderSurfaceImpl* surface = layer->GetRenderSurface();
return this->GetCurrentOcclusionForContributingSurface(
surface->draw_transform())
.GetUnoccludedContentRect(content_rect);
}
};
class OcclusionTrackerTest : public testing::Test {
protected:
explicit OcclusionTrackerTest(bool opaque_layers)
: opaque_layers_(opaque_layers),
animation_host_(AnimationHost::CreateForTesting(ThreadInstance::MAIN)),
host_(FakeLayerTreeHost::Create(&client_,
&task_graph_runner_,
animation_host_.get())),
next_layer_impl_id_(1) {}
virtual void RunMyTest() = 0;
void TearDown() override { DestroyLayers(); }
TestContentLayerImpl* CreateRoot(const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds) {
LayerTreeImpl* tree = host_->host_impl()->active_tree();
int id = next_layer_impl_id_++;
std::unique_ptr<TestContentLayerImpl> layer(
new TestContentLayerImpl(tree, id));
TestContentLayerImpl* layer_ptr = layer.get();
SetProperties(layer_ptr, transform, position, bounds);
host_->host_impl()->active_tree()->SetRootLayerForTesting(std::move(layer));
layer_ptr->test_properties()->force_render_surface = true;
SetRootLayerOnMainThread(layer_ptr);
return layer_ptr;
}
LayerImpl* CreateLayer(LayerImpl* parent,
const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds) {
LayerTreeImpl* tree = host_->host_impl()->active_tree();
int id = next_layer_impl_id_++;
std::unique_ptr<LayerImpl> layer = LayerImpl::Create(tree, id);
LayerImpl* layer_ptr = layer.get();
SetProperties(layer_ptr, transform, position, bounds);
parent->test_properties()->AddChild(std::move(layer));
return layer_ptr;
}
LayerImpl* CreateSurface(LayerImpl* parent,
const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds) {
LayerImpl* layer = CreateLayer(parent, transform, position, bounds);
layer->test_properties()->force_render_surface = true;
return layer;
}
TestContentLayerImpl* CreateDrawingLayer(LayerImpl* parent,
const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds,
bool opaque) {
LayerTreeImpl* tree = host_->host_impl()->active_tree();
int id = next_layer_impl_id_++;
std::unique_ptr<TestContentLayerImpl> layer(
new TestContentLayerImpl(tree, id));
TestContentLayerImpl* layer_ptr = layer.get();
SetProperties(layer_ptr, transform, position, bounds);
if (opaque_layers_) {
layer_ptr->SetContentsOpaque(opaque);
} else {
layer_ptr->SetContentsOpaque(false);
if (opaque)
layer_ptr->SetOpaqueContentsRect(gfx::Rect(bounds));
else
layer_ptr->SetOpaqueContentsRect(gfx::Rect());
}
parent->test_properties()->AddChild(std::move(layer));
return layer_ptr;
}
LayerImpl* CreateMaskLayer(LayerImpl* owning_layer, const gfx::Size& bounds) {
LayerTreeImpl* tree = host_->host_impl()->active_tree();
int id = next_layer_impl_id_++;
std::unique_ptr<TestContentLayerImpl> layer(
new TestContentLayerImpl(tree, id));
TestContentLayerImpl* layer_ptr = layer.get();
SetProperties(layer_ptr, identity_matrix, gfx::PointF(), bounds);
SetMask(owning_layer, std::move(layer));
return layer_ptr;
}
TestContentLayerImpl* CreateDrawingSurface(LayerImpl* parent,
const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds,
bool opaque) {
TestContentLayerImpl* layer =
CreateDrawingLayer(parent, transform, position, bounds, opaque);
layer->test_properties()->force_render_surface = true;
return layer;
}
void DestroyLayers() {
host_->host_impl()->active_tree()->SetRootLayerForTesting(nullptr);
render_surface_layer_list_impl_.clear();
mask_layers_.clear();
ResetLayerIterator();
}
void CopyOutputCallback(std::unique_ptr<CopyOutputResult> result) {}
void AddCopyRequest(Layer* layer) {
layer->RequestCopyOfOutput(CopyOutputRequest::CreateBitmapRequest(
base::Bind(&OcclusionTrackerTest::CopyOutputCallback,
base::Unretained(this))));
}
void AddCopyRequest(LayerImpl* layer) {
layer->test_properties()->copy_requests.push_back(
CopyOutputRequest::CreateBitmapRequest(
base::Bind(&OcclusionTrackerTest::CopyOutputCallback,
base::Unretained(this))));
}
void CalcDrawEtc(TestContentLayerImpl* root) {
root->layer_tree_impl()->BuildLayerListForTesting();
DCHECK(root == root->layer_tree_impl()->root_layer_for_testing());
// These occlusion tests attach and detach layers in multiple
// iterations, so rebuild property trees every time.
root->layer_tree_impl()->property_trees()->needs_rebuild = true;
FakeLayerTreeHostImpl::RecursiveUpdateNumChildren(root);
LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
root, root->bounds(), &render_surface_layer_list_impl_);
inputs.can_adjust_raster_scales = true;
LayerTreeHostCommon::CalculateDrawPropertiesForTesting(&inputs);
layer_iterator_ = layer_iterator_begin_ =
LayerIterator::Begin(&render_surface_layer_list_impl_);
}
void EnterLayer(LayerImpl* layer, OcclusionTracker* occlusion) {
ASSERT_EQ(*layer_iterator_, layer);
ASSERT_TRUE(layer_iterator_.represents_itself());
occlusion->EnterLayer(layer_iterator_);
}
void LeaveLayer(LayerImpl* layer, OcclusionTracker* occlusion) {
ASSERT_EQ(*layer_iterator_, layer);
ASSERT_TRUE(layer_iterator_.represents_itself());
occlusion->LeaveLayer(layer_iterator_);
++layer_iterator_;
}
void VisitLayer(LayerImpl* layer, OcclusionTracker* occlusion) {
EnterLayer(layer, occlusion);
LeaveLayer(layer, occlusion);
}
void EnterContributingSurface(LayerImpl* layer, OcclusionTracker* occlusion) {
ASSERT_EQ(*layer_iterator_, layer);
ASSERT_TRUE(layer_iterator_.represents_target_render_surface());
occlusion->EnterLayer(layer_iterator_);
occlusion->LeaveLayer(layer_iterator_);
++layer_iterator_;
ASSERT_TRUE(layer_iterator_.represents_contributing_render_surface());
occlusion->EnterLayer(layer_iterator_);
}
void LeaveContributingSurface(LayerImpl* layer, OcclusionTracker* occlusion) {
ASSERT_EQ(*layer_iterator_, layer);
ASSERT_TRUE(layer_iterator_.represents_contributing_render_surface());
occlusion->LeaveLayer(layer_iterator_);
++layer_iterator_;
}
void VisitContributingSurface(LayerImpl* layer, OcclusionTracker* occlusion) {
EnterContributingSurface(layer, occlusion);
LeaveContributingSurface(layer, occlusion);
}
void ResetLayerIterator() { layer_iterator_ = layer_iterator_begin_; }
const gfx::Transform identity_matrix;
private:
void SetRootLayerOnMainThread(Layer* root) {
host_->SetRootLayer(scoped_refptr<Layer>(root));
}
void SetRootLayerOnMainThread(LayerImpl* root) {}
void SetProperties(LayerImpl* layer,
const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds) {
layer->test_properties()->transform = transform;
layer->SetPosition(position);
layer->SetBounds(bounds);
}
void SetMask(LayerImpl* owning_layer, std::unique_ptr<LayerImpl> layer) {
owning_layer->test_properties()->SetMaskLayer(std::move(layer));
}
bool opaque_layers_;
FakeLayerTreeHostClient client_;
TestTaskGraphRunner task_graph_runner_;
std::unique_ptr<AnimationHost> animation_host_;
std::unique_ptr<FakeLayerTreeHost> host_;
// These hold ownership of the layers for the duration of the test.
LayerImplList render_surface_layer_list_impl_;
LayerIterator layer_iterator_begin_;
LayerIterator layer_iterator_;
LayerList mask_layers_;
int next_layer_impl_id_;
};
#define RUN_TEST_IMPL_THREAD_OPAQUE_LAYERS(ClassName) \
class ClassName##ImplThreadOpaqueLayers : public ClassName { \
public: /* NOLINT(whitespace/indent) */ \
ClassName##ImplThreadOpaqueLayers() : ClassName(true) {} \
}; \
TEST_F(ClassName##ImplThreadOpaqueLayers, RunTest) { RunMyTest(); }
#define RUN_TEST_IMPL_THREAD_OPAQUE_PAINTS(ClassName) \
class ClassName##ImplThreadOpaquePaints : public ClassName { \
public: /* NOLINT(whitespace/indent) */ \
ClassName##ImplThreadOpaquePaints() : ClassName(false) {} \
}; \
TEST_F(ClassName##ImplThreadOpaquePaints, RunTest) { RunMyTest(); }
#define ALL_OCCLUSIONTRACKER_TEST(ClassName) \
RUN_TEST_IMPL_THREAD_OPAQUE_LAYERS(ClassName) \
RUN_TEST_IMPL_THREAD_OPAQUE_PAINTS(ClassName)
class OcclusionTrackerTestIdentityTransforms : public OcclusionTrackerTest {
protected:
explicit OcclusionTrackerTestIdentityTransforms(bool opaque_layers)
: OcclusionTrackerTest(opaque_layers) {}
void RunMyTest() override {
TestContentLayerImpl* root = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(200, 200));
TestContentLayerImpl* parent = this->CreateDrawingLayer(
root, this->identity_matrix, gfx::PointF(), gfx::Size(100, 100), true);
TestContentLayerImpl* layer = this->CreateDrawingLayer(
parent, this->identity_matrix, gfx::PointF(30.f, 30.f),
gfx::Size(500, 500), true);
parent->SetMasksToBounds(true);
this->CalcDrawEtc(root);
TestOcclusionTrackerWithClip occlusion(gfx::Rect(0, 0, 1000, 1000));
this->VisitLayer(layer, &occlusion);
this->EnterLayer(parent, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(30, 30, 70, 70).ToString(),
occlusion.occlusion_from_inside_target().ToString());
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestIdentityTransforms);
class OcclusionTrackerTestRotatedChild : public OcclusionTrackerTest {
protected:
explicit OcclusionTrackerTestRotatedChild(bool opaque_layers)
: OcclusionTrackerTest(opaque_layers) {}
void RunMyTest() override {
gfx::Transform layer_transform;
layer_transform.Translate(250.0, 250.0);
layer_transform.Rotate(90.0);
layer_transform.Translate(-250.0, -250.0);
TestContentLayerImpl* root = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(200, 200));
TestContentLayerImpl* parent = this->CreateDrawingLayer(
root, this->identity_matrix, gfx::PointF(), gfx::Size(100, 100), true);
TestContentLayerImpl* layer = this->CreateDrawingLayer(
parent, layer_transform, gfx::PointF(30.f, 30.f), gfx::Size(500, 500),
true);
parent->SetMasksToBounds(true);
this->CalcDrawEtc(root);
TestOcclusionTrackerWithClip occlusion(gfx::Rect(0, 0, 1000, 1000));
this->VisitLayer(layer, &occlusion);
this->EnterLayer(parent, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(30, 30, 70, 70).ToString(),
occlusion.occlusion_from_inside_target().ToString());
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestRotatedChild);
class OcclusionTrackerTestTranslatedChild : public OcclusionTrackerTest {
protected:
explicit OcclusionTrackerTestTranslatedChild(bool opaque_layers)
: OcclusionTrackerTest(opaque_layers) {}
void RunMyTest() override {
gfx::Transform layer_transform;
layer_transform.Translate(20.0, 20.0);
TestContentLayerImpl* root = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(200, 200));
TestContentLayerImpl* parent = this->CreateDrawingLayer(
root, this->identity_matrix, gfx::PointF(), gfx::Size(100, 100), true);
TestContentLayerImpl* layer = this->CreateDrawingLayer(
parent, layer_transform, gfx::PointF(30.f, 30.f), gfx::Size(500, 500),
true);
parent->SetMasksToBounds(true);
this->CalcDrawEtc(root);
TestOcclusionTrackerWithClip occlusion(gfx::Rect(0, 0, 1000, 1000));
this->VisitLayer(layer, &occlusion);
this->EnterLayer(parent, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(50, 50, 50, 50).ToString(),
occlusion.occlusion_from_inside_target().ToString());
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestTranslatedChild);
class OcclusionTrackerTestChildInRotatedChild : public OcclusionTrackerTest {
protected:
explicit OcclusionTrackerTestChildInRotatedChild(bool opaque_layers)
: OcclusionTrackerTest(opaque_layers) {}
void RunMyTest() override {
gfx::Transform child_transform;
child_transform.Translate(250.0, 250.0);
child_transform.Rotate(90.0);
child_transform.Translate(-250.0, -250.0);
TestContentLayerImpl* parent = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(100, 100));
parent->SetMasksToBounds(true);
LayerImpl* child = this->CreateSurface(
parent, child_transform, gfx::PointF(30.f, 30.f), gfx::Size(500, 500));
child->SetMasksToBounds(true);
TestContentLayerImpl* layer = this->CreateDrawingLayer(
child, this->identity_matrix, gfx::PointF(10.f, 10.f),
gfx::Size(500, 500), true);
this->CalcDrawEtc(parent);
TestOcclusionTrackerWithClip occlusion(gfx::Rect(0, 0, 1000, 1000));
this->VisitLayer(layer, &occlusion);
this->EnterContributingSurface(child, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(10, 430, 60, 70).ToString(),
occlusion.occlusion_from_inside_target().ToString());
this->LeaveContributingSurface(child, &occlusion);
this->EnterLayer(parent, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(30, 40, 70, 60).ToString(),
occlusion.occlusion_from_inside_target().ToString());
/* Justification for the above occlusion from |layer|:
100
+---------------------+
| |
| 30 | rotate(90)
| 30 + ---------------------------------+
100 | | 10 | | ==>
| |10+---------------------------------+
| | | | | |
| | | | | |
| | | | | |
+----|--|-------------+ | |
| | | |
| | | |
| | | |500
| | | |
| | | |
| | | |
| | | |
+--|-------------------------------+ |
| |
+---------------------------------+
500
+---------------------+
| |30 Visible region of |layer|: /////
| |
| +---------------------------------+
100| | |10 |
| +---------------------------------+ |
| | |///////////////| 420 | |
| | |///////////////|60 | |
| | |///////////////| | |
+--|--|---------------+ | |
20|10| 70 | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | |10|
| +------------------------------|--+
| 490 |
+---------------------------------+
500
*/
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestChildInRotatedChild);
class OcclusionTrackerTestScaledRenderSurface : public OcclusionTrackerTest {
protected:
explicit OcclusionTrackerTestScaledRenderSurface(bool opaque_layers)
: OcclusionTrackerTest(opaque_layers) {}
void RunMyTest() override {
TestContentLayerImpl* parent = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(200, 200));
gfx::Transform layer1_matrix;
layer1_matrix.Scale(2.0, 2.0);
TestContentLayerImpl* layer1 = this->CreateDrawingLayer(
parent, layer1_matrix, gfx::PointF(), gfx::Size(100, 100), true);
layer1->test_properties()->force_render_surface = true;
gfx::Transform layer2_matrix;
layer2_matrix.Translate(25.0, 25.0);
TestContentLayerImpl* layer2 = this->CreateDrawingLayer(
layer1, layer2_matrix, gfx::PointF(), gfx::Size(50, 50), true);
TestContentLayerImpl* occluder = this->CreateDrawingLayer(
parent, this->identity_matrix, gfx::PointF(100.f, 100.f),
gfx::Size(500, 500), true);
this->CalcDrawEtc(parent);
TestOcclusionTrackerWithClip occlusion(gfx::Rect(0, 0, 1000, 1000));
this->VisitLayer(occluder, &occlusion);
this->EnterLayer(layer2, &occlusion);
EXPECT_EQ(gfx::Rect(100, 100, 100, 100).ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_inside_target().ToString());
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestScaledRenderSurface);
class OcclusionTrackerTestVisitTargetTwoTimes : public OcclusionTrackerTest {
protected:
explicit OcclusionTrackerTestVisitTargetTwoTimes(bool opaque_layers)
: OcclusionTrackerTest(opaque_layers) {}
void RunMyTest() override {
TestContentLayerImpl* root = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(200, 200));
LayerImpl* surface = this->CreateSurface(
root, this->identity_matrix, gfx::PointF(30.f, 30.f), gfx::Size());
TestContentLayerImpl* surface_child = this->CreateDrawingLayer(
surface, this->identity_matrix, gfx::PointF(10.f, 10.f),
gfx::Size(50, 50), true);
// |top_layer| makes |root|'s surface get considered by OcclusionTracker
// first, instead of |surface|'s. This exercises different code in
// LeaveToRenderTarget, as the target surface has already been seen when
// leaving |surface| later.
TestContentLayerImpl* top_layer = this->CreateDrawingLayer(
root, this->identity_matrix, gfx::PointF(40.f, 90.f), gfx::Size(50, 20),
true);
this->CalcDrawEtc(root);
TestOcclusionTrackerWithClip occlusion(gfx::Rect(0, 0, 1000, 1000));
this->VisitLayer(top_layer, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(40, 90, 50, 20).ToString(),
occlusion.occlusion_from_inside_target().ToString());
this->VisitLayer(surface_child, &occlusion);
EXPECT_EQ(gfx::Rect(10, 60, 50, 20).ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(10, 10, 50, 50).ToString(),
occlusion.occlusion_from_inside_target().ToString());
this->EnterContributingSurface(surface, &occlusion);
EXPECT_EQ(gfx::Rect(10, 60, 50, 20).ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(10, 10, 50, 50).ToString(),
occlusion.occlusion_from_inside_target().ToString());
// Occlusion from |top_layer| already in the root target should get merged
// with the occlusion from the |surface| we are leaving now.
this->LeaveContributingSurface(surface, &occlusion);
this->EnterLayer(root, &occlusion);
EXPECT_TRUE(occlusion.occlusion_from_outside_target().IsEmpty());
EXPECT_EQ(gfx::Rect(40, 40, 50, 70).ToString(),
occlusion.occlusion_from_inside_target().ToString());
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestVisitTargetTwoTimes);
class OcclusionTrackerTestSurfaceRotatedOffAxis : public OcclusionTrackerTest {
protected:
explicit OcclusionTrackerTestSurfaceRotatedOffAxis(bool opaque_layers)
: OcclusionTrackerTest(opaque_layers) {}
void RunMyTest() override {
gfx::Transform child_transform;
child_transform.Translate(250.0, 250.0);
child_transform.Rotate(95.0);
child_transform.Translate(-250.0, -250.0);
gfx::Transform layer_transform;
layer_transform.Translate(10.0, 10.0);
TestContentLayerImpl* root = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(1000, 1000));
TestContentLayerImpl* parent = this->CreateDrawingLayer(
root, this->identity_matrix, gfx::PointF(), gfx::Size(100, 100), true);
LayerImpl* child = this->CreateSurface(
parent, child_transform, gfx::PointF(30.f, 30.f), gfx::Size(500, 500));
TestContentLayerImpl* layer = this->CreateDrawingLayer(
child, layer_transform, gfx::PointF(), gfx::Size(500, 500), true);
this->CalcDrawEtc(root);
TestOcclusionTrackerWithClip occlusion(gfx::Rect(0, 0, 1000, 1000));
gfx::Rect clipped_layer_in_child = MathUtil::MapEnclosingClippedRect(
layer_transform, layer->visible_layer_rect());
this->VisitLayer(layer, &occlusion);
this->EnterContributingSurface(child, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(clipped_layer_in_child.ToString(),
occlusion.occlusion_from_inside_target().ToString());
this->LeaveContributingSurface(child, &occlusion);
this->EnterLayer(parent, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_inside_target().ToString());
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestSurfaceRotatedOffAxis);
class OcclusionTrackerTestSurfaceWithTwoOpaqueChildren
: public OcclusionTrackerTest {
protected:
explicit OcclusionTrackerTestSurfaceWithTwoOpaqueChildren(bool opaque_layers)
: OcclusionTrackerTest(opaque_layers) {}
void RunMyTest() override {
gfx::Transform child_transform;
child_transform.Translate(250.0, 250.0);
child_transform.Rotate(90.0);
child_transform.Translate(-250.0, -250.0);
TestContentLayerImpl* root = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(1000, 1000));
TestContentLayerImpl* parent = this->CreateDrawingLayer(
root, this->identity_matrix, gfx::PointF(), gfx::Size(100, 100), true);
parent->SetMasksToBounds(true);
TestContentLayerImpl* child = this->CreateDrawingSurface(
parent, child_transform, gfx::PointF(30.f, 30.f), gfx::Size(500, 500),
false);
child->SetMasksToBounds(true);
TestContentLayerImpl* layer1 = this->CreateDrawingLayer(
child, this->identity_matrix, gfx::PointF(10.f, 10.f),
gfx::Size(500, 500), true);
TestContentLayerImpl* layer2 = this->CreateDrawingLayer(
child, this->identity_matrix, gfx::PointF(10.f, 450.f),
gfx::Size(500, 60), true);
this->CalcDrawEtc(root);
TestOcclusionTrackerWithClip occlusion(gfx::Rect(0, 0, 1000, 1000));
this->VisitLayer(layer2, &occlusion);
this->VisitLayer(layer1, &occlusion);
this->VisitLayer(child, &occlusion);
this->EnterContributingSurface(child, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(10, 430, 60, 70).ToString(),
occlusion.occlusion_from_inside_target().ToString());
this->LeaveContributingSurface(child, &occlusion);
this->EnterLayer(parent, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(30, 40, 70, 60).ToString(),
occlusion.occlusion_from_inside_target().ToString());
/* Justification for the above occlusion from |layer1| and |layer2|:
+---------------------+
| |30 Visible region of |layer1|: /////
| | Visible region of |layer2|: \\\\\
| +---------------------------------+
| | |10 |
| +---------------+-----------------+ |
| | |\\\\\\\\\\\\|//| 420 | |
| | |\\\\\\\\\\\\|//|60 | |
| | |\\\\\\\\\\\\|//| | |
+--|--|------------|--+ | |
20|10| 70 | | |
| | | | |
| | | | |
| | | | |
| | | | |
| | | | |
| | | |10|
| +------------|-----------------|--+
| | 490 |
+---------------+-----------------+
60 440
*/
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestSurfaceWithTwoOpaqueChildren);
class OcclusionTrackerTestOverlappingSurfaceSiblings
: public OcclusionTrackerTest {
protected:
explicit OcclusionTrackerTestOverlappingSurfaceSiblings(bool opaque_layers)
: OcclusionTrackerTest(opaque_layers) {}
void RunMyTest() override {
TestContentLayerImpl* parent = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(100, 100));
parent->SetMasksToBounds(true);
LayerImpl* child1 = this->CreateSurface(
parent, this->identity_matrix, gfx::PointF(10.f, 0.f), gfx::Size());
LayerImpl* child2 = this->CreateSurface(
parent, this->identity_matrix, gfx::PointF(30.f, 0.f), gfx::Size());
TestContentLayerImpl* layer1 = this->CreateDrawingLayer(
child1, this->identity_matrix, gfx::PointF(), gfx::Size(40, 50), true);
TestContentLayerImpl* layer2 = this->CreateDrawingLayer(
child2, this->identity_matrix, gfx::PointF(10.f, 0.f),
gfx::Size(40, 50), true);
this->CalcDrawEtc(parent);
TestOcclusionTrackerWithClip occlusion(gfx::Rect(0, 0, 1000, 1000));
this->VisitLayer(layer2, &occlusion);
this->EnterContributingSurface(child2, &occlusion);
// layer2's occlusion.
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(10, 0, 40, 50).ToString(),
occlusion.occlusion_from_inside_target().ToString());
this->LeaveContributingSurface(child2, &occlusion);
this->VisitLayer(layer1, &occlusion);
this->EnterContributingSurface(child1, &occlusion);
// layer2's occlusion in the target space of layer1.
EXPECT_EQ(gfx::Rect(30, 0, 40, 50).ToString(),
occlusion.occlusion_from_outside_target().ToString());
// layer1's occlusion.
EXPECT_EQ(gfx::Rect(0, 0, 40, 50).ToString(),
occlusion.occlusion_from_inside_target().ToString());
this->LeaveContributingSurface(child1, &occlusion);
this->EnterLayer(parent, &occlusion);
// The occlusion from from layer1 and layer2 is merged.
EXPECT_TRUE(occlusion.occlusion_from_outside_target().IsEmpty());
EXPECT_EQ(gfx::Rect(10, 0, 70, 50).ToString(),
occlusion.occlusion_from_inside_target().ToString());
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestOverlappingSurfaceSiblings);
class OcclusionTrackerTestOverlappingSurfaceSiblingsWithTwoTransforms
: public OcclusionTrackerTest {
protected:
explicit OcclusionTrackerTestOverlappingSurfaceSiblingsWithTwoTransforms(
bool opaque_layers)
: OcclusionTrackerTest(opaque_layers) {}
void RunMyTest() override {
gfx::Transform child1_transform;
child1_transform.Translate(250.0, 250.0);
child1_transform.Rotate(-90.0);
child1_transform.Translate(-250.0, -250.0);
gfx::Transform child2_transform;
child2_transform.Translate(250.0, 250.0);
child2_transform.Rotate(90.0);
child2_transform.Translate(-250.0, -250.0);
TestContentLayerImpl* parent = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(100, 100));
parent->SetMasksToBounds(true);
LayerImpl* child1 = this->CreateSurface(
parent, child1_transform, gfx::PointF(30.f, 20.f), gfx::Size(10, 10));
LayerImpl* child2 = this->CreateDrawingSurface(parent, child2_transform,
gfx::PointF(20.f, 40.f),
gfx::Size(10, 10), false);
TestContentLayerImpl* layer1 = this->CreateDrawingLayer(
child1, this->identity_matrix, gfx::PointF(-10.f, -20.f),
gfx::Size(510, 510), true);
TestContentLayerImpl* layer2 = this->CreateDrawingLayer(
child2, this->identity_matrix, gfx::PointF(-10.f, -10.f),
gfx::Size(510, 510), true);
this->CalcDrawEtc(parent);
TestOcclusionTrackerWithClip occlusion(gfx::Rect(0, 0, 1000, 1000));
this->VisitLayer(layer2, &occlusion);
this->EnterLayer(child2, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(-10, 420, 70, 80).ToString(),
occlusion.occlusion_from_inside_target().ToString());
this->LeaveLayer(child2, &occlusion);
this->EnterContributingSurface(child2, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(-10, 420, 70, 80).ToString(),
occlusion.occlusion_from_inside_target().ToString());
this->LeaveContributingSurface(child2, &occlusion);
this->VisitLayer(layer1, &occlusion);
this->EnterContributingSurface(child1, &occlusion);
EXPECT_EQ(gfx::Rect(420, -10, 70, 80).ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(420, -20, 80, 90).ToString(),
occlusion.occlusion_from_inside_target().ToString());
this->LeaveContributingSurface(child1, &occlusion);
this->EnterLayer(parent, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(10, 20, 90, 80).ToString(),
occlusion.occlusion_from_inside_target().ToString());
/* Justification for the above occlusion:
100
+---------------------+
|20 | layer1
10+----------------------------------+
100 || 30 | layer2 |
|20+----------------------------------+
|| | | | |
|| | | | |
|| | | | |
+|-|------------------+ | |
| | | | 510
| | 510 | |
| | | |
| | | |
| | | |
| | | |
| | 520 | |
+----------------------------------+ |
| |
+----------------------------------+
510
*/
}
};
ALL_OCCLUSIONTRACKER_TEST(
OcclusionTrackerTestOverlappingSurfaceSiblingsWithTwoTransforms);
class OcclusionTrackerTestFilters : public OcclusionTrackerTest {
protected:
explicit OcclusionTrackerTestFilters(bool opaque_layers)
: OcclusionTrackerTest(opaque_layers) {}
void RunMyTest() override {
gfx::Transform layer_transform;
layer_transform.Translate(250.0, 250.0);
layer_transform.Rotate(90.0);
layer_transform.Translate(-250.0, -250.0);
TestContentLayerImpl* parent = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(100, 100));
parent->SetMasksToBounds(true);
TestContentLayerImpl* blur_layer = this->CreateDrawingLayer(
parent, layer_transform, gfx::PointF(30.f, 30.f), gfx::Size(500, 500),
true);
TestContentLayerImpl* opaque_layer = this->CreateDrawingLayer(
parent, layer_transform, gfx::PointF(30.f, 30.f), gfx::Size(500, 500),
true);
TestContentLayerImpl* opacity_layer = this->CreateDrawingLayer(
parent, layer_transform, gfx::PointF(30.f, 30.f), gfx::Size(500, 500),
true);
blur_layer->test_properties()->force_render_surface = true;
FilterOperations filters;
filters.Append(FilterOperation::CreateBlurFilter(10.f));
blur_layer->test_properties()->filters = filters;
opaque_layer->test_properties()->force_render_surface = true;
filters.Clear();
filters.Append(FilterOperation::CreateGrayscaleFilter(0.5f));
opaque_layer->test_properties()->filters = filters;
opacity_layer->test_properties()->force_render_surface = true;
filters.Clear();
filters.Append(FilterOperation::CreateOpacityFilter(0.5f));
opacity_layer->test_properties()->filters = filters;
this->CalcDrawEtc(parent);
TestOcclusionTrackerWithClip occlusion(gfx::Rect(0, 0, 1000, 1000));
// Opacity layer won't contribute to occlusion.
this->VisitLayer(opacity_layer, &occlusion);
this->EnterContributingSurface(opacity_layer, &occlusion);
EXPECT_TRUE(occlusion.occlusion_from_outside_target().IsEmpty());
EXPECT_TRUE(occlusion.occlusion_from_inside_target().IsEmpty());
// And has nothing to contribute to its parent surface.
this->LeaveContributingSurface(opacity_layer, &occlusion);
EXPECT_TRUE(occlusion.occlusion_from_outside_target().IsEmpty());
EXPECT_TRUE(occlusion.occlusion_from_inside_target().IsEmpty());
// Opaque layer will contribute to occlusion.
this->VisitLayer(opaque_layer, &occlusion);
this->EnterContributingSurface(opaque_layer, &occlusion);
EXPECT_TRUE(occlusion.occlusion_from_outside_target().IsEmpty());
EXPECT_EQ(gfx::Rect(0, 430, 70, 70).ToString(),
occlusion.occlusion_from_inside_target().ToString());
// And it gets translated to the parent surface.
this->LeaveContributingSurface(opaque_layer, &occlusion);
EXPECT_TRUE(occlusion.occlusion_from_outside_target().IsEmpty());
EXPECT_EQ(gfx::Rect(30, 30, 70, 70).ToString(),
occlusion.occlusion_from_inside_target().ToString());
// The blur layer needs to throw away any occlusion from outside its
// subtree.
this->EnterLayer(blur_layer, &occlusion);
EXPECT_TRUE(occlusion.occlusion_from_outside_target().IsEmpty());
EXPECT_TRUE(occlusion.occlusion_from_inside_target().IsEmpty());
// And it won't contribute to occlusion.
this->LeaveLayer(blur_layer, &occlusion);
this->EnterContributingSurface(blur_layer, &occlusion);
EXPECT_TRUE(occlusion.occlusion_from_outside_target().IsEmpty());
EXPECT_TRUE(occlusion.occlusion_from_inside_target().IsEmpty());
// But the opaque layer's occlusion is preserved on the parent.
this->LeaveContributingSurface(blur_layer, &occlusion);
this->EnterLayer(parent, &occlusion);
EXPECT_TRUE(occlusion.occlusion_from_outside_target().IsEmpty());
EXPECT_EQ(gfx::Rect(30, 30, 70, 70).ToString(),
occlusion.occlusion_from_inside_target().ToString());
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestFilters);
class OcclusionTrackerTestOpaqueContentsRegionEmpty
: public OcclusionTrackerTest {
protected:
explicit OcclusionTrackerTestOpaqueContentsRegionEmpty(bool opaque_layers)
: OcclusionTrackerTest(opaque_layers) {}
void RunMyTest() override {
TestContentLayerImpl* parent = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(300, 300));
TestContentLayerImpl* layer =
this->CreateDrawingSurface(parent, this->identity_matrix, gfx::PointF(),
gfx::Size(200, 200), false);
this->CalcDrawEtc(parent);
TestOcclusionTrackerWithClip occlusion(gfx::Rect(0, 0, 1000, 1000));
this->EnterLayer(layer, &occlusion);
EXPECT_TRUE(occlusion.occlusion_from_outside_target().IsEmpty());
EXPECT_TRUE(occlusion.occlusion_from_inside_target().IsEmpty());
this->LeaveLayer(layer, &occlusion);
this->VisitContributingSurface(layer, &occlusion);
this->EnterLayer(parent, &occlusion);
EXPECT_TRUE(occlusion.occlusion_from_outside_target().IsEmpty());
EXPECT_TRUE(occlusion.occlusion_from_inside_target().IsEmpty());
}
};