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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 "cc/animation/layer_animation_controller.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/output/filter_operation.h"
#include "cc/output/filter_operations.h"
#include "cc/test/animation_test_common.h"
#include "cc/test/fake_impl_proxy.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/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 TestContentLayer : public Layer {
public:
TestContentLayer() : Layer(), override_opaque_contents_rect_(false) {
SetIsDrawable(true);
}
virtual Region VisibleContentOpaqueRegion() const OVERRIDE {
if (override_opaque_contents_rect_)
return gfx::IntersectRects(opaque_contents_rect_, visible_content_rect());
return Layer::VisibleContentOpaqueRegion();
}
void SetOpaqueContentsRect(const gfx::Rect& opaque_contents_rect) {
override_opaque_contents_rect_ = true;
opaque_contents_rect_ = opaque_contents_rect;
}
private:
virtual ~TestContentLayer() {}
bool override_opaque_contents_rect_;
gfx::Rect opaque_contents_rect_;
};
class TestContentLayerImpl : public LayerImpl {
public:
TestContentLayerImpl(LayerTreeImpl* tree_impl, int id)
: LayerImpl(tree_impl, id), override_opaque_contents_rect_(false) {
SetDrawsContent(true);
}
virtual Region VisibleContentOpaqueRegion() const OVERRIDE {
if (override_opaque_contents_rect_)
return gfx::IntersectRects(opaque_contents_rect_, visible_content_rect());
return LayerImpl::VisibleContentOpaqueRegion();
}
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_;
};
template <typename LayerType>
class TestOcclusionTrackerWithClip : public TestOcclusionTracker<LayerType> {
public:
explicit TestOcclusionTrackerWithClip(const gfx::Rect& viewport_rect)
: TestOcclusionTracker<LayerType>(viewport_rect) {}
bool OccludedLayer(const LayerType* layer,
const gfx::Rect& content_rect) const {
DCHECK(layer->visible_content_rect().Contains(content_rect));
return this->Occluded(
layer->render_target(), content_rect, layer->draw_transform());
}
// Gives an unoccluded sub-rect of |content_rect| in the content space of the
// layer. Simple wrapper around UnoccludedContentRect.
gfx::Rect UnoccludedLayerContentRect(const LayerType* layer,
const gfx::Rect& content_rect) const {
DCHECK(layer->visible_content_rect().Contains(content_rect));
return this->UnoccludedContentRect(
layer->render_target(), content_rect, layer->draw_transform());
}
};
struct OcclusionTrackerTestMainThreadTypes {
typedef Layer LayerType;
typedef FakeLayerTreeHost HostType;
typedef RenderSurface RenderSurfaceType;
typedef TestContentLayer ContentLayerType;
typedef scoped_refptr<Layer> LayerPtrType;
typedef scoped_refptr<ContentLayerType> ContentLayerPtrType;
typedef LayerIterator<Layer> TestLayerIterator;
typedef OcclusionTracker<Layer> OcclusionTrackerType;
static LayerPtrType CreateLayer(HostType* host) { return Layer::Create(); }
static ContentLayerPtrType CreateContentLayer(HostType* host) {
return make_scoped_refptr(new ContentLayerType());
}
static LayerPtrType PassLayerPtr(ContentLayerPtrType* layer) {
LayerPtrType ref(*layer);
*layer = NULL;
return ref;
}
static LayerPtrType PassLayerPtr(LayerPtrType* layer) {
LayerPtrType ref(*layer);
*layer = NULL;
return ref;
}
static void DestroyLayer(LayerPtrType* layer) { *layer = NULL; }
};
struct OcclusionTrackerTestImplThreadTypes {
typedef LayerImpl LayerType;
typedef LayerTreeImpl HostType;
typedef RenderSurfaceImpl RenderSurfaceType;
typedef TestContentLayerImpl ContentLayerType;
typedef scoped_ptr<LayerImpl> LayerPtrType;
typedef scoped_ptr<ContentLayerType> ContentLayerPtrType;
typedef LayerIterator<LayerImpl> TestLayerIterator;
typedef OcclusionTracker<LayerImpl> OcclusionTrackerType;
static LayerPtrType CreateLayer(HostType* host) {
return LayerImpl::Create(host, next_layer_impl_id++);
}
static ContentLayerPtrType CreateContentLayer(HostType* host) {
return make_scoped_ptr(new ContentLayerType(host, next_layer_impl_id++));
}
static int next_layer_impl_id;
static LayerPtrType PassLayerPtr(LayerPtrType* layer) {
return layer->Pass();
}
static LayerPtrType PassLayerPtr(ContentLayerPtrType* layer) {
return layer->PassAs<LayerType>();
}
static void DestroyLayer(LayerPtrType* layer) { layer->reset(); }
};
int OcclusionTrackerTestImplThreadTypes::next_layer_impl_id = 1;
template <typename Types> class OcclusionTrackerTest : public testing::Test {
protected:
explicit OcclusionTrackerTest(bool opaque_layers)
: opaque_layers_(opaque_layers), host_(FakeLayerTreeHost::Create()) {}
virtual void RunMyTest() = 0;
virtual void TearDown() {
Types::DestroyLayer(&root_);
render_surface_layer_list_.reset();
render_surface_layer_list_impl_.clear();
replica_layers_.clear();
mask_layers_.clear();
}
typename Types::HostType* GetHost();
typename Types::ContentLayerType* CreateRoot(const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds) {
typename Types::ContentLayerPtrType layer(
Types::CreateContentLayer(GetHost()));
typename Types::ContentLayerType* layer_ptr = layer.get();
SetProperties(layer_ptr, transform, position, bounds);
DCHECK(!root_.get());
root_ = Types::PassLayerPtr(&layer);
SetRootLayerOnMainThread(layer_ptr);
return layer_ptr;
}
typename Types::LayerType* CreateLayer(typename Types::LayerType* parent,
const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds) {
typename Types::LayerPtrType layer(Types::CreateLayer(GetHost()));
typename Types::LayerType* layer_ptr = layer.get();
SetProperties(layer_ptr, transform, position, bounds);
parent->AddChild(Types::PassLayerPtr(&layer));
return layer_ptr;
}
typename Types::LayerType* CreateSurface(typename Types::LayerType* parent,
const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds) {
typename Types::LayerType* layer =
CreateLayer(parent, transform, position, bounds);
layer->SetForceRenderSurface(true);
return layer;
}
typename Types::ContentLayerType* CreateDrawingLayer(
typename Types::LayerType* parent,
const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds,
bool opaque) {
typename Types::ContentLayerPtrType layer(
Types::CreateContentLayer(GetHost()));
typename Types::ContentLayerType* 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->AddChild(Types::PassLayerPtr(&layer));
return layer_ptr;
}
typename Types::LayerType* CreateReplicaLayer(
typename Types::LayerType* owning_layer,
const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds) {
typename Types::ContentLayerPtrType layer(
Types::CreateContentLayer(GetHost()));
typename Types::ContentLayerType* layer_ptr = layer.get();
SetProperties(layer_ptr, transform, position, bounds);
SetReplica(owning_layer, Types::PassLayerPtr(&layer));
return layer_ptr;
}
typename Types::LayerType* CreateMaskLayer(
typename Types::LayerType* owning_layer,
const gfx::Size& bounds) {
typename Types::ContentLayerPtrType layer(
Types::CreateContentLayer(GetHost()));
typename Types::ContentLayerType* layer_ptr = layer.get();
SetProperties(layer_ptr, identity_matrix, gfx::PointF(), bounds);
SetMask(owning_layer, Types::PassLayerPtr(&layer));
return layer_ptr;
}
typename Types::ContentLayerType* CreateDrawingSurface(
typename Types::LayerType* parent,
const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds,
bool opaque) {
typename Types::ContentLayerType* layer =
CreateDrawingLayer(parent, transform, position, bounds, opaque);
layer->SetForceRenderSurface(true);
return layer;
}
void CopyOutputCallback(scoped_ptr<CopyOutputResult> result) {}
void AddCopyRequest(Layer* layer) {
layer->RequestCopyOfOutput(
CopyOutputRequest::CreateBitmapRequest(base::Bind(
&OcclusionTrackerTest<Types>::CopyOutputCallback,
base::Unretained(this))));
}
void AddCopyRequest(LayerImpl* layer) {
ScopedPtrVector<CopyOutputRequest> requests;
requests.push_back(
CopyOutputRequest::CreateBitmapRequest(base::Bind(
&OcclusionTrackerTest<Types>::CopyOutputCallback,
base::Unretained(this))));
layer->PassCopyRequests(&requests);
}
void CalcDrawEtc(TestContentLayerImpl* root) {
DCHECK(root == root_.get());
DCHECK(!root->render_surface());
LayerTreeHostCommon::CalcDrawPropsImplInputsForTesting inputs(
root, root->bounds(), &render_surface_layer_list_impl_);
inputs.can_adjust_raster_scales = true;
LayerTreeHostCommon::CalculateDrawProperties(&inputs);
layer_iterator_ = layer_iterator_begin_ =
Types::TestLayerIterator::Begin(&render_surface_layer_list_impl_);
}
void CalcDrawEtc(TestContentLayer* root) {
DCHECK(root == root_.get());
DCHECK(!root->render_surface());
render_surface_layer_list_.reset(new RenderSurfaceLayerList);
LayerTreeHostCommon::CalcDrawPropsMainInputsForTesting inputs(
root, root->bounds(), render_surface_layer_list_.get());
inputs.can_adjust_raster_scales = true;
LayerTreeHostCommon::CalculateDrawProperties(&inputs);
layer_iterator_ = layer_iterator_begin_ =
Types::TestLayerIterator::Begin(render_surface_layer_list_.get());
}
void SetDrawsContent(LayerImpl* layer_impl, bool draws_content) {
layer_impl->SetDrawsContent(draws_content);
}
void SetDrawsContent(Layer* layer, bool draws_content) {
layer->SetIsDrawable(draws_content);
}
void EnterLayer(typename Types::LayerType* layer,
typename Types::OcclusionTrackerType* occlusion) {
ASSERT_EQ(layer, *layer_iterator_);
ASSERT_TRUE(layer_iterator_.represents_itself());
occlusion->EnterLayer(layer_iterator_);
}
void LeaveLayer(typename Types::LayerType* layer,
typename Types::OcclusionTrackerType* occlusion) {
ASSERT_EQ(layer, *layer_iterator_);
ASSERT_TRUE(layer_iterator_.represents_itself());
occlusion->LeaveLayer(layer_iterator_);
++layer_iterator_;
}
void VisitLayer(typename Types::LayerType* layer,
typename Types::OcclusionTrackerType* occlusion) {
EnterLayer(layer, occlusion);
LeaveLayer(layer, occlusion);
}
void EnterContributingSurface(
typename Types::LayerType* layer,
typename Types::OcclusionTrackerType* occlusion) {
ASSERT_EQ(layer, *layer_iterator_);
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(
typename Types::LayerType* layer,
typename Types::OcclusionTrackerType* occlusion) {
ASSERT_EQ(layer, *layer_iterator_);
ASSERT_TRUE(layer_iterator_.represents_contributing_render_surface());
occlusion->LeaveLayer(layer_iterator_);
++layer_iterator_;
}
void VisitContributingSurface(
typename Types::LayerType* layer,
typename Types::OcclusionTrackerType* 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 SetBaseProperties(typename Types::LayerType* layer,
const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds) {
layer->SetTransform(transform);
layer->SetAnchorPoint(gfx::PointF());
layer->SetPosition(position);
layer->SetBounds(bounds);
}
void SetProperties(Layer* layer,
const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds) {
SetBaseProperties(layer, transform, position, bounds);
}
void SetProperties(LayerImpl* layer,
const gfx::Transform& transform,
const gfx::PointF& position,
const gfx::Size& bounds) {
SetBaseProperties(layer, transform, position, bounds);
layer->SetContentBounds(layer->bounds());
}
void SetReplica(Layer* owning_layer, scoped_refptr<Layer> layer) {
owning_layer->SetReplicaLayer(layer.get());
replica_layers_.push_back(layer);
}
void SetReplica(LayerImpl* owning_layer, scoped_ptr<LayerImpl> layer) {
owning_layer->SetReplicaLayer(layer.Pass());
}
void SetMask(Layer* owning_layer, scoped_refptr<Layer> layer) {
owning_layer->SetMaskLayer(layer.get());
mask_layers_.push_back(layer);
}
void SetMask(LayerImpl* owning_layer, scoped_ptr<LayerImpl> layer) {
owning_layer->SetMaskLayer(layer.Pass());
}
bool opaque_layers_;
scoped_ptr<FakeLayerTreeHost> host_;
// These hold ownership of the layers for the duration of the test.
typename Types::LayerPtrType root_;
scoped_ptr<RenderSurfaceLayerList> render_surface_layer_list_;
LayerImplList render_surface_layer_list_impl_;
typename Types::TestLayerIterator layer_iterator_begin_;
typename Types::TestLayerIterator layer_iterator_;
typename Types::LayerType* last_layer_visited_;
LayerList replica_layers_;
LayerList mask_layers_;
};
template <>
FakeLayerTreeHost*
OcclusionTrackerTest<OcclusionTrackerTestMainThreadTypes>::GetHost() {
return host_.get();
}
template <>
LayerTreeImpl*
OcclusionTrackerTest<OcclusionTrackerTestImplThreadTypes>::GetHost() {
return host_->host_impl()->active_tree();
}
#define RUN_TEST_MAIN_THREAD_OPAQUE_LAYERS(ClassName) \
class ClassName##MainThreadOpaqueLayers \
: public ClassName<OcclusionTrackerTestMainThreadTypes> { \
public: /* NOLINT(whitespace/indent) */ \
ClassName##MainThreadOpaqueLayers() \
: ClassName<OcclusionTrackerTestMainThreadTypes>(true) {} \
}; \
TEST_F(ClassName##MainThreadOpaqueLayers, RunTest) { RunMyTest(); }
#define RUN_TEST_MAIN_THREAD_OPAQUE_PAINTS(ClassName) \
class ClassName##MainThreadOpaquePaints \
: public ClassName<OcclusionTrackerTestMainThreadTypes> { \
public: /* NOLINT(whitespace/indent) */ \
ClassName##MainThreadOpaquePaints() \
: ClassName<OcclusionTrackerTestMainThreadTypes>(false) {} \
}; \
TEST_F(ClassName##MainThreadOpaquePaints, RunTest) { RunMyTest(); }
#define RUN_TEST_IMPL_THREAD_OPAQUE_LAYERS(ClassName) \
class ClassName##ImplThreadOpaqueLayers \
: public ClassName<OcclusionTrackerTestImplThreadTypes> { \
public: /* NOLINT(whitespace/indent) */ \
ClassName##ImplThreadOpaqueLayers() \
: ClassName<OcclusionTrackerTestImplThreadTypes>(true) {} \
}; \
TEST_F(ClassName##ImplThreadOpaqueLayers, RunTest) { RunMyTest(); }
#define RUN_TEST_IMPL_THREAD_OPAQUE_PAINTS(ClassName) \
class ClassName##ImplThreadOpaquePaints \
: public ClassName<OcclusionTrackerTestImplThreadTypes> { \
public: /* NOLINT(whitespace/indent) */ \
ClassName##ImplThreadOpaquePaints() \
: ClassName<OcclusionTrackerTestImplThreadTypes>(false) {} \
}; \
TEST_F(ClassName##ImplThreadOpaquePaints, RunTest) { RunMyTest(); }
#define ALL_OCCLUSIONTRACKER_TEST(ClassName) \
RUN_TEST_MAIN_THREAD_OPAQUE_LAYERS(ClassName) \
RUN_TEST_MAIN_THREAD_OPAQUE_PAINTS(ClassName) \
RUN_TEST_IMPL_THREAD_OPAQUE_LAYERS(ClassName) \
RUN_TEST_IMPL_THREAD_OPAQUE_PAINTS(ClassName)
#define MAIN_THREAD_TEST(ClassName) \
RUN_TEST_MAIN_THREAD_OPAQUE_LAYERS(ClassName)
#define IMPL_THREAD_TEST(ClassName) \
RUN_TEST_IMPL_THREAD_OPAQUE_LAYERS(ClassName)
#define MAIN_AND_IMPL_THREAD_TEST(ClassName) \
RUN_TEST_MAIN_THREAD_OPAQUE_LAYERS(ClassName) \
RUN_TEST_IMPL_THREAD_OPAQUE_LAYERS(ClassName)
template <class Types>
class OcclusionTrackerTestIdentityTransforms
: public OcclusionTrackerTest<Types> {
protected:
explicit OcclusionTrackerTestIdentityTransforms(bool opaque_layers)
: OcclusionTrackerTest<Types>(opaque_layers) {}
void RunMyTest() {
typename Types::ContentLayerType* root = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(200, 200));
typename Types::ContentLayerType* parent = this->CreateDrawingLayer(
root, this->identity_matrix, gfx::PointF(), gfx::Size(100, 100), true);
typename Types::ContentLayerType* 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<typename Types::LayerType> 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());
EXPECT_TRUE(occlusion.OccludedLayer(parent, gfx::Rect(30, 30, 70, 70)));
EXPECT_FALSE(occlusion.OccludedLayer(parent, gfx::Rect(29, 30, 70, 70)));
EXPECT_FALSE(occlusion.OccludedLayer(parent, gfx::Rect(30, 29, 70, 70)));
EXPECT_TRUE(occlusion.OccludedLayer(parent, gfx::Rect(31, 30, 69, 70)));
EXPECT_TRUE(occlusion.OccludedLayer(parent, gfx::Rect(30, 31, 70, 69)));
EXPECT_TRUE(occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(30, 30, 70, 70)).IsEmpty());
EXPECT_RECT_EQ(gfx::Rect(29, 30, 1, 70),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(29, 30, 70, 70)));
EXPECT_RECT_EQ(gfx::Rect(29, 29, 70, 70),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(29, 29, 70, 70)));
EXPECT_RECT_EQ(gfx::Rect(30, 29, 70, 1),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(30, 29, 70, 70)));
EXPECT_RECT_EQ(gfx::Rect(31, 29, 69, 1),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(31, 29, 69, 70)));
EXPECT_RECT_EQ(gfx::Rect(),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(31, 30, 69, 70)));
EXPECT_RECT_EQ(gfx::Rect(),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(31, 31, 69, 69)));
EXPECT_RECT_EQ(gfx::Rect(),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(30, 31, 70, 69)));
EXPECT_RECT_EQ(gfx::Rect(29, 31, 1, 69),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(29, 31, 70, 69)));
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestIdentityTransforms);
template <class Types>
class OcclusionTrackerTestQuadsMismatchLayer
: public OcclusionTrackerTest<Types> {
protected:
explicit OcclusionTrackerTestQuadsMismatchLayer(bool opaque_layers)
: OcclusionTrackerTest<Types>(opaque_layers) {}
void RunMyTest() {
gfx::Transform layer_transform;
layer_transform.Translate(10.0, 10.0);
typename Types::ContentLayerType* parent = this->CreateRoot(
this->identity_matrix, gfx::Point(0, 0), gfx::Size(100, 100));
typename Types::ContentLayerType* layer1 = this->CreateDrawingLayer(
parent, layer_transform, gfx::PointF(), gfx::Size(90, 90), true);
typename Types::ContentLayerType* layer2 = this->CreateDrawingLayer(
layer1, layer_transform, gfx::PointF(), gfx::Size(50, 50), true);
this->CalcDrawEtc(parent);
TestOcclusionTrackerWithClip<typename Types::LayerType> occlusion(
gfx::Rect(0, 0, 1000, 1000));
this->VisitLayer(layer2, &occlusion);
this->EnterLayer(layer1, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(20, 20, 50, 50).ToString(),
occlusion.occlusion_from_inside_target().ToString());
// This checks cases where the quads don't match their "containing"
// layers, e.g. in terms of transforms or clip rect. This is typical for
// DelegatedRendererLayer.
gfx::Transform quad_transform;
quad_transform.Translate(30.0, 30.0);
EXPECT_TRUE(occlusion.UnoccludedContentRect(parent,
gfx::Rect(0, 0, 10, 10),
quad_transform).IsEmpty());
EXPECT_RECT_EQ(gfx::Rect(40, 40, 10, 10),
occlusion.UnoccludedContentRect(
parent, gfx::Rect(40, 40, 10, 10), quad_transform));
EXPECT_RECT_EQ(gfx::Rect(40, 30, 5, 10),
occlusion.UnoccludedContentRect(
parent, gfx::Rect(35, 30, 10, 10), quad_transform));
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestQuadsMismatchLayer);
template <class Types>
class OcclusionTrackerTestRotatedChild : public OcclusionTrackerTest<Types> {
protected:
explicit OcclusionTrackerTestRotatedChild(bool opaque_layers)
: OcclusionTrackerTest<Types>(opaque_layers) {}
void RunMyTest() {
gfx::Transform layer_transform;
layer_transform.Translate(250.0, 250.0);
layer_transform.Rotate(90.0);
layer_transform.Translate(-250.0, -250.0);
typename Types::ContentLayerType* root = this->CreateRoot(
this->identity_matrix, gfx::Point(0, 0), gfx::Size(200, 200));
typename Types::ContentLayerType* parent = this->CreateDrawingLayer(
root, this->identity_matrix, gfx::PointF(), gfx::Size(100, 100), true);
typename Types::ContentLayerType* layer =
this->CreateDrawingLayer(parent,
layer_transform,
gfx::PointF(30.f, 30.f),
gfx::Size(500, 500),
true);
parent->SetMasksToBounds(true);
this->CalcDrawEtc(root);
TestOcclusionTrackerWithClip<typename Types::LayerType> 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());
EXPECT_TRUE(occlusion.OccludedLayer(parent, gfx::Rect(30, 30, 70, 70)));
EXPECT_FALSE(occlusion.OccludedLayer(parent, gfx::Rect(29, 30, 70, 70)));
EXPECT_FALSE(occlusion.OccludedLayer(parent, gfx::Rect(30, 29, 70, 70)));
EXPECT_TRUE(occlusion.OccludedLayer(parent, gfx::Rect(31, 30, 69, 70)));
EXPECT_TRUE(occlusion.OccludedLayer(parent, gfx::Rect(30, 31, 70, 69)));
EXPECT_TRUE(occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(30, 30, 70, 70)).IsEmpty());
EXPECT_RECT_EQ(gfx::Rect(29, 30, 1, 70),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(29, 30, 69, 70)));
EXPECT_RECT_EQ(gfx::Rect(29, 29, 70, 70),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(29, 29, 70, 70)));
EXPECT_RECT_EQ(gfx::Rect(30, 29, 70, 1),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(30, 29, 70, 70)));
EXPECT_RECT_EQ(gfx::Rect(31, 29, 69, 1),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(31, 29, 69, 70)));
EXPECT_RECT_EQ(gfx::Rect(),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(31, 30, 69, 70)));
EXPECT_RECT_EQ(gfx::Rect(),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(31, 31, 69, 69)));
EXPECT_RECT_EQ(gfx::Rect(),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(30, 31, 70, 69)));
EXPECT_RECT_EQ(gfx::Rect(29, 31, 1, 69),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(29, 31, 70, 69)));
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestRotatedChild);
template <class Types>
class OcclusionTrackerTestTranslatedChild : public OcclusionTrackerTest<Types> {
protected:
explicit OcclusionTrackerTestTranslatedChild(bool opaque_layers)
: OcclusionTrackerTest<Types>(opaque_layers) {}
void RunMyTest() {
gfx::Transform layer_transform;
layer_transform.Translate(20.0, 20.0);
typename Types::ContentLayerType* root = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(200, 200));
typename Types::ContentLayerType* parent = this->CreateDrawingLayer(
root, this->identity_matrix, gfx::PointF(), gfx::Size(100, 100), true);
typename Types::ContentLayerType* layer =
this->CreateDrawingLayer(parent,
layer_transform,
gfx::PointF(30.f, 30.f),
gfx::Size(500, 500),
true);
parent->SetMasksToBounds(true);
this->CalcDrawEtc(root);
TestOcclusionTrackerWithClip<typename Types::LayerType> 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());
EXPECT_TRUE(occlusion.OccludedLayer(parent, gfx::Rect(50, 50, 50, 50)));
EXPECT_FALSE(occlusion.OccludedLayer(parent, gfx::Rect(49, 50, 50, 50)));
EXPECT_FALSE(occlusion.OccludedLayer(parent, gfx::Rect(50, 49, 50, 50)));
EXPECT_TRUE(occlusion.OccludedLayer(parent, gfx::Rect(51, 50, 49, 50)));
EXPECT_TRUE(occlusion.OccludedLayer(parent, gfx::Rect(50, 51, 50, 49)));
EXPECT_TRUE(occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(50, 50, 50, 50)).IsEmpty());
EXPECT_RECT_EQ(gfx::Rect(49, 50, 1, 50),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(49, 50, 50, 50)));
EXPECT_RECT_EQ(gfx::Rect(49, 49, 50, 50),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(49, 49, 50, 50)));
EXPECT_RECT_EQ(gfx::Rect(50, 49, 50, 1),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(50, 49, 50, 50)));
EXPECT_RECT_EQ(gfx::Rect(51, 49, 49, 1),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(51, 49, 49, 50)));
EXPECT_TRUE(occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(51, 50, 49, 50)).IsEmpty());
EXPECT_TRUE(occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(51, 51, 49, 49)).IsEmpty());
EXPECT_TRUE(occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(50, 51, 50, 49)).IsEmpty());
EXPECT_RECT_EQ(gfx::Rect(49, 51, 1, 49),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(49, 51, 50, 49)));
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestTranslatedChild);
template <class Types>
class OcclusionTrackerTestChildInRotatedChild
: public OcclusionTrackerTest<Types> {
protected:
explicit OcclusionTrackerTestChildInRotatedChild(bool opaque_layers)
: OcclusionTrackerTest<Types>(opaque_layers) {}
void RunMyTest() {
gfx::Transform child_transform;
child_transform.Translate(250.0, 250.0);
child_transform.Rotate(90.0);
child_transform.Translate(-250.0, -250.0);
typename Types::ContentLayerType* parent = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(100, 100));
parent->SetMasksToBounds(true);
typename Types::LayerType* child = this->CreateSurface(
parent, child_transform, gfx::PointF(30.f, 30.f), gfx::Size(500, 500));
child->SetMasksToBounds(true);
typename Types::ContentLayerType* layer =
this->CreateDrawingLayer(child,
this->identity_matrix,
gfx::PointF(10.f, 10.f),
gfx::Size(500, 500),
true);
this->CalcDrawEtc(parent);
TestOcclusionTrackerWithClip<typename Types::LayerType> 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());
EXPECT_TRUE(occlusion.OccludedLayer(parent, gfx::Rect(30, 40, 70, 60)));
EXPECT_FALSE(occlusion.OccludedLayer(parent, gfx::Rect(29, 40, 70, 60)));
EXPECT_FALSE(occlusion.OccludedLayer(parent, gfx::Rect(30, 39, 70, 60)));
EXPECT_TRUE(occlusion.OccludedLayer(parent, gfx::Rect(31, 40, 69, 60)));
EXPECT_TRUE(occlusion.OccludedLayer(parent, gfx::Rect(30, 41, 70, 59)));
/* 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);
template <class Types>
class OcclusionTrackerTestScaledRenderSurface
: public OcclusionTrackerTest<Types> {
protected:
explicit OcclusionTrackerTestScaledRenderSurface(bool opaque_layers)
: OcclusionTrackerTest<Types>(opaque_layers) {}
void RunMyTest() {
typename Types::ContentLayerType* parent = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(200, 200));
gfx::Transform layer1_matrix;
layer1_matrix.Scale(2.0, 2.0);
typename Types::ContentLayerType* layer1 = this->CreateDrawingLayer(
parent, layer1_matrix, gfx::PointF(), gfx::Size(100, 100), true);
layer1->SetForceRenderSurface(true);
gfx::Transform layer2_matrix;
layer2_matrix.Translate(25.0, 25.0);
typename Types::ContentLayerType* layer2 = this->CreateDrawingLayer(
layer1, layer2_matrix, gfx::PointF(), gfx::Size(50, 50), true);
typename Types::ContentLayerType* occluder =
this->CreateDrawingLayer(parent,
this->identity_matrix,
gfx::PointF(100.f, 100.f),
gfx::Size(500, 500),
true);
this->CalcDrawEtc(parent);
TestOcclusionTrackerWithClip<typename Types::LayerType> 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());
EXPECT_RECT_EQ(
gfx::Rect(0, 0, 25, 25),
occlusion.UnoccludedLayerContentRect(layer2, gfx::Rect(0, 0, 25, 25)));
EXPECT_RECT_EQ(gfx::Rect(10, 25, 15, 25),
occlusion.UnoccludedLayerContentRect(
layer2, gfx::Rect(10, 25, 25, 25)));
EXPECT_RECT_EQ(gfx::Rect(25, 10, 25, 15),
occlusion.UnoccludedLayerContentRect(
layer2, gfx::Rect(25, 10, 25, 25)));
EXPECT_TRUE(occlusion.UnoccludedLayerContentRect(
layer2, gfx::Rect(25, 25, 25, 25)).IsEmpty());
}
};
ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestScaledRenderSurface);
template <class Types>
class OcclusionTrackerTestVisitTargetTwoTimes
: public OcclusionTrackerTest<Types> {
protected:
explicit OcclusionTrackerTestVisitTargetTwoTimes(bool opaque_layers)
: OcclusionTrackerTest<Types>(opaque_layers) {}
void RunMyTest() {
gfx::Transform child_transform;
child_transform.Translate(250.0, 250.0);
child_transform.Rotate(90.0);
child_transform.Translate(-250.0, -250.0);
typename Types::ContentLayerType* root = this->CreateRoot(
this->identity_matrix, gfx::PointF(), gfx::Size(200, 200));
typename Types::ContentLayerType* parent = this->CreateDrawingLayer(
root, this->identity_matrix, gfx::PointF(), gfx::Size(100, 100), true);
parent->SetMasksToBounds(true);
typename Types::LayerType* child = this->CreateSurface(
parent, child_transform, gfx::PointF(30.f, 30.f), gfx::Size(500, 500));
child->SetMasksToBounds(true);
typename Types::ContentLayerType* layer =
this->CreateDrawingLayer(child,
this->identity_matrix,
gfx::PointF(10.f, 10.f),
gfx::Size(500, 500),
true);
// |child2| makes |parent|'s surface get considered by OcclusionTracker
// first, instead of |child|'s. This exercises different code in
// LeaveToRenderTarget, as the target surface has already been seen.
typename Types::ContentLayerType* child2 =
this->CreateDrawingLayer(parent,
this->identity_matrix,
gfx::PointF(30.f, 30.f),
gfx::Size(60, 20),
true);
this->CalcDrawEtc(root);
TestOcclusionTrackerWithClip<typename Types::LayerType> occlusion(
gfx::Rect(0, 0, 1000, 1000));
this->VisitLayer(child2, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(30, 30, 60, 20).ToString(),
occlusion.occlusion_from_inside_target().ToString());
this->VisitLayer(layer, &occlusion);
EXPECT_EQ(gfx::Rect(0, 440, 20, 60).ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(10, 430, 60, 70).ToString(),
occlusion.occlusion_from_inside_target().ToString());
this->EnterContributingSurface(child, &occlusion);
EXPECT_EQ(gfx::Rect(0, 440, 20, 60).ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(gfx::Rect(10, 430, 60, 70).ToString(),
occlusion.occlusion_from_inside_target().ToString());
// Occlusion in |child2| should get merged with the |child| surface we are
// leaving now.
this->LeaveContributingSurface(child, &occlusion);
this->EnterLayer(parent, &occlusion);
EXPECT_EQ(gfx::Rect().ToString(),
occlusion.occlusion_from_outside_target().ToString());
EXPECT_EQ(UnionRegions(gfx::Rect(30, 30, 60, 10), gfx::Rect(30, 40, 70, 60))
.ToString(),
occlusion.occlusion_from_inside_target().ToString());
EXPECT_FALSE(occlusion.OccludedLayer(parent, gfx::Rect(30, 30, 70, 70)));
EXPECT_RECT_EQ(gfx::Rect(90, 30, 10, 10),
occlusion.UnoccludedLayerContentRect(
parent, gfx::Rect(30, 30, 70, 70)));