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android / platform / external / chromium_org / 9a3a4bc965704498ea9f22876627cda96ff9a77e / . / cc / layers / picture_layer_impl_unittest.cc
blob: 53627ba30c26979c624c51707665899287816c43 [file] [log] [blame]
// Copyright 2013 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/picture_layer_impl.h"
#include <algorithm>
#include <limits>
#include <set>
#include <utility>
#include "cc/base/math_util.h"
#include "cc/layers/append_quads_data.h"
#include "cc/layers/picture_layer.h"
#include "cc/test/fake_content_layer_client.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/fake_picture_layer_impl.h"
#include "cc/test/fake_picture_pile_impl.h"
#include "cc/test/geometry_test_utils.h"
#include "cc/test/impl_side_painting_settings.h"
#include "cc/test/layer_test_common.h"
#include "cc/test/mock_quad_culler.h"
#include "cc/test/test_shared_bitmap_manager.h"
#include "cc/test/test_web_graphics_context_3d.h"
#include "cc/trees/layer_tree_impl.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/rect_conversions.h"
#include "ui/gfx/size_conversions.h"
namespace cc {
namespace {
class MockCanvas : public SkCanvas {
public:
explicit MockCanvas(int w, int h) : SkCanvas(w, h) {}
virtual void drawRect(const SkRect& rect, const SkPaint& paint) OVERRIDE {
// Capture calls before SkCanvas quickReject() kicks in.
rects_.push_back(rect);
}
std::vector<SkRect> rects_;
};
class PictureLayerImplTest : public testing::Test {
public:
PictureLayerImplTest()
: proxy_(base::MessageLoopProxy::current()),
host_impl_(ImplSidePaintingSettings(),
&proxy_,
&shared_bitmap_manager_),
id_(7) {}
explicit PictureLayerImplTest(const LayerTreeSettings& settings)
: proxy_(base::MessageLoopProxy::current()),
host_impl_(settings, &proxy_, &shared_bitmap_manager_),
id_(7) {}
virtual ~PictureLayerImplTest() {
}
virtual void SetUp() OVERRIDE {
InitializeRenderer();
}
virtual void InitializeRenderer() {
host_impl_.InitializeRenderer(
FakeOutputSurface::Create3d().PassAs<OutputSurface>());
}
void SetupDefaultTrees(const gfx::Size& layer_bounds) {
gfx::Size tile_size(100, 100);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
}
void ActivateTree() {
host_impl_.ActivatePendingTree();
CHECK(!host_impl_.pending_tree());
pending_layer_ = NULL;
active_layer_ = static_cast<FakePictureLayerImpl*>(
host_impl_.active_tree()->LayerById(id_));
}
void SetupDefaultTreesWithFixedTileSize(const gfx::Size& layer_bounds,
const gfx::Size& tile_size) {
SetupDefaultTrees(layer_bounds);
pending_layer_->set_fixed_tile_size(tile_size);
active_layer_->set_fixed_tile_size(tile_size);
}
void SetupTrees(
scoped_refptr<PicturePileImpl> pending_pile,
scoped_refptr<PicturePileImpl> active_pile) {
SetupPendingTree(active_pile);
ActivateTree();
SetupPendingTree(pending_pile);
host_impl_.pending_tree()->SetPageScaleFactorAndLimits(1.f, 0.25f, 100.f);
host_impl_.active_tree()->SetPageScaleFactorAndLimits(1.f, 0.25f, 100.f);
}
void CreateHighLowResAndSetAllTilesVisible() {
// Active layer must get updated first so pending layer can share from it.
active_layer_->CreateDefaultTilingsAndTiles();
active_layer_->SetAllTilesVisible();
pending_layer_->CreateDefaultTilingsAndTiles();
pending_layer_->SetAllTilesVisible();
}
void AddDefaultTilingsWithInvalidation(const Region& invalidation) {
active_layer_->AddTiling(2.3f);
active_layer_->AddTiling(1.0f);
active_layer_->AddTiling(0.5f);
for (size_t i = 0; i < active_layer_->tilings()->num_tilings(); ++i)
active_layer_->tilings()->tiling_at(i)->CreateAllTilesForTesting();
pending_layer_->set_invalidation(invalidation);
for (size_t i = 0; i < pending_layer_->tilings()->num_tilings(); ++i)
pending_layer_->tilings()->tiling_at(i)->CreateAllTilesForTesting();
}
void SetupPendingTree(scoped_refptr<PicturePileImpl> pile) {
host_impl_.CreatePendingTree();
LayerTreeImpl* pending_tree = host_impl_.pending_tree();
// Clear recycled tree.
pending_tree->DetachLayerTree();
scoped_ptr<FakePictureLayerImpl> pending_layer =
FakePictureLayerImpl::CreateWithPile(pending_tree, id_, pile);
pending_layer->SetDrawsContent(true);
pending_tree->SetRootLayer(pending_layer.PassAs<LayerImpl>());
pending_layer_ = static_cast<FakePictureLayerImpl*>(
host_impl_.pending_tree()->LayerById(id_));
pending_layer_->DoPostCommitInitializationIfNeeded();
}
void SetupDrawPropertiesAndUpdateTiles(FakePictureLayerImpl* layer,
float ideal_contents_scale,
float device_scale_factor,
float page_scale_factor,
float maximum_animation_contents_scale,
bool animating_transform_to_screen) {
layer->draw_properties().ideal_contents_scale = ideal_contents_scale;
layer->draw_properties().device_scale_factor = device_scale_factor;
layer->draw_properties().page_scale_factor = page_scale_factor;
layer->draw_properties().maximum_animation_contents_scale =
maximum_animation_contents_scale;
layer->draw_properties().screen_space_transform_is_animating =
animating_transform_to_screen;
layer->UpdateTiles();
}
static void VerifyAllTilesExistAndHavePile(
const PictureLayerTiling* tiling,
PicturePileImpl* pile) {
for (PictureLayerTiling::CoverageIterator iter(
tiling, tiling->contents_scale(), tiling->TilingRect());
iter;
++iter) {
EXPECT_TRUE(*iter);
EXPECT_EQ(pile, iter->picture_pile());
}
}
void SetContentsScaleOnBothLayers(float contents_scale,
float device_scale_factor,
float page_scale_factor,
float maximum_animation_contents_scale,
bool animating_transform) {
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
contents_scale,
device_scale_factor,
page_scale_factor,
maximum_animation_contents_scale,
animating_transform);
SetupDrawPropertiesAndUpdateTiles(active_layer_,
contents_scale,
device_scale_factor,
page_scale_factor,
maximum_animation_contents_scale,
animating_transform);
}
void ResetTilingsAndRasterScales() {
pending_layer_->ReleaseResources();
active_layer_->ReleaseResources();
}
void AssertAllTilesRequired(PictureLayerTiling* tiling) {
std::vector<Tile*> tiles = tiling->AllTilesForTesting();
for (size_t i = 0; i < tiles.size(); ++i)
EXPECT_TRUE(tiles[i]->required_for_activation()) << "i: " << i;
EXPECT_GT(tiles.size(), 0u);
}
void AssertNoTilesRequired(PictureLayerTiling* tiling) {
std::vector<Tile*> tiles = tiling->AllTilesForTesting();
for (size_t i = 0; i < tiles.size(); ++i)
EXPECT_FALSE(tiles[i]->required_for_activation()) << "i: " << i;
EXPECT_GT(tiles.size(), 0u);
}
protected:
void TestTileGridAlignmentCommon() {
// Layer to span 4 raster tiles in x and in y
ImplSidePaintingSettings settings;
gfx::Size layer_size(
settings.default_tile_size.width() * 7 / 2,
settings.default_tile_size.height() * 7 / 2);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(layer_size, layer_size);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(layer_size, layer_size);
SetupTrees(pending_pile, active_pile);
SetupDrawPropertiesAndUpdateTiles(active_layer_, 1.f, 1.f, 1.f, 1.f, false);
// Add 1x1 rects at the centers of each tile, then re-record pile contents
active_layer_->tilings()->tiling_at(0)->CreateAllTilesForTesting();
std::vector<Tile*> tiles =
active_layer_->tilings()->tiling_at(0)->AllTilesForTesting();
EXPECT_EQ(16u, tiles.size());
std::vector<SkRect> rects;
std::vector<Tile*>::const_iterator tile_iter;
for (tile_iter = tiles.begin(); tile_iter < tiles.end(); tile_iter++) {
gfx::Point tile_center = (*tile_iter)->content_rect().CenterPoint();
gfx::Rect rect(tile_center.x(), tile_center.y(), 1, 1);
active_pile->add_draw_rect(rect);
rects.push_back(SkRect::MakeXYWH(rect.x(), rect.y(), 1, 1));
}
// Force re-record with newly injected content
active_pile->RemoveRecordingAt(0, 0);
active_pile->AddRecordingAt(0, 0);
std::vector<SkRect>::const_iterator rect_iter = rects.begin();
for (tile_iter = tiles.begin(); tile_iter < tiles.end(); tile_iter++) {
MockCanvas mock_canvas(1000, 1000);
active_pile->RasterDirect(
&mock_canvas, (*tile_iter)->content_rect(), 1.0f, NULL);
// This test verifies that when drawing the contents of a specific tile
// at content scale 1.0, the playback canvas never receives content from
// neighboring tiles which indicates that the tile grid embedded in
// SkPicture is perfectly aligned with the compositor's tiles.
EXPECT_EQ(1u, mock_canvas.rects_.size());
EXPECT_RECT_EQ(*rect_iter, mock_canvas.rects_[0]);
rect_iter++;
}
}
FakeImplProxy proxy_;
TestSharedBitmapManager shared_bitmap_manager_;
FakeLayerTreeHostImpl host_impl_;
int id_;
FakePictureLayerImpl* pending_layer_;
FakePictureLayerImpl* active_layer_;
private:
DISALLOW_COPY_AND_ASSIGN(PictureLayerImplTest);
};
TEST_F(PictureLayerImplTest, TileGridAlignment) {
host_impl_.SetDeviceScaleFactor(1.f);
TestTileGridAlignmentCommon();
}
TEST_F(PictureLayerImplTest, TileGridAlignmentHiDPI) {
host_impl_.SetDeviceScaleFactor(2.f);
TestTileGridAlignmentCommon();
}
TEST_F(PictureLayerImplTest, CloneNoInvalidation) {
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(400, 400);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
Region invalidation;
AddDefaultTilingsWithInvalidation(invalidation);
EXPECT_EQ(pending_layer_->tilings()->num_tilings(),
active_layer_->tilings()->num_tilings());
const PictureLayerTilingSet* tilings = pending_layer_->tilings();
EXPECT_GT(tilings->num_tilings(), 0u);
for (size_t i = 0; i < tilings->num_tilings(); ++i)
VerifyAllTilesExistAndHavePile(tilings->tiling_at(i), active_pile.get());
}
TEST_F(PictureLayerImplTest, ExternalViewportRectForPrioritizingTiles) {
base::TimeTicks time_ticks;
host_impl_.SetCurrentFrameTimeTicks(time_ticks);
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(400, 400);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
Region invalidation;
AddDefaultTilingsWithInvalidation(invalidation);
SetupDrawPropertiesAndUpdateTiles(active_layer_, 1.f, 1.f, 1.f, 1.f, false);
// Update tiles with viewport for tile priority as (0, 0, 100, 100) and the
// identify transform for tile priority.
bool resourceless_software_draw = false;
gfx::Rect viewport = gfx::Rect(layer_bounds),
viewport_rect_for_tile_priority = gfx::Rect(0, 0, 100, 100);
gfx::Transform transform, transform_for_tile_priority;
host_impl_.SetExternalDrawConstraints(transform,
viewport,
viewport,
viewport_rect_for_tile_priority,
transform_for_tile_priority,
resourceless_software_draw);
active_layer_->draw_properties().visible_content_rect = viewport;
active_layer_->draw_properties().screen_space_transform = transform;
active_layer_->UpdateTiles();
gfx::Rect viewport_rect_for_tile_priority_in_view_space =
viewport_rect_for_tile_priority;
// Verify the viewport rect for tile priority is used in picture layer impl.
EXPECT_EQ(active_layer_->viewport_rect_for_tile_priority(),
viewport_rect_for_tile_priority_in_view_space);
// Verify the viewport rect for tile priority is used in picture layer tiling.
PictureLayerTilingSet* tilings = active_layer_->tilings();
for (size_t i = 0; i < tilings->num_tilings(); i++) {
PictureLayerTiling* tiling = tilings->tiling_at(i);
EXPECT_EQ(
tiling->GetCurrentVisibleRectForTesting(),
gfx::ScaleToEnclosingRect(viewport_rect_for_tile_priority_in_view_space,
tiling->contents_scale()));
}
// Update tiles with viewport for tile priority as (200, 200, 100, 100) in
// screen space and the transform for tile priority is translated and
// rotated. The actual viewport for tile priority used by PictureLayerImpl
// should be (200, 200, 100, 100) applied with the said transform.
time_ticks += base::TimeDelta::FromMilliseconds(200);
host_impl_.SetCurrentFrameTimeTicks(time_ticks);
viewport_rect_for_tile_priority = gfx::Rect(200, 200, 100, 100);
transform_for_tile_priority.Translate(100, 100);
transform_for_tile_priority.Rotate(45);
host_impl_.SetExternalDrawConstraints(transform,
viewport,
viewport,
viewport_rect_for_tile_priority,
transform_for_tile_priority,
resourceless_software_draw);
active_layer_->draw_properties().visible_content_rect = viewport;
active_layer_->draw_properties().screen_space_transform = transform;
active_layer_->UpdateTiles();
gfx::Transform screen_to_view(gfx::Transform::kSkipInitialization);
bool success = transform_for_tile_priority.GetInverse(&screen_to_view);
EXPECT_TRUE(success);
viewport_rect_for_tile_priority_in_view_space =
gfx::ToEnclosingRect(MathUtil::ProjectClippedRect(
screen_to_view, viewport_rect_for_tile_priority));
// Verify the viewport rect for tile priority is used in PictureLayerImpl.
EXPECT_EQ(active_layer_->viewport_rect_for_tile_priority(),
viewport_rect_for_tile_priority_in_view_space);
// Interset viewport_rect_for_tile_priority_in_view_space with the layer
// bounds and the result should be used in PictureLayerTiling.
viewport_rect_for_tile_priority_in_view_space.Intersect(
gfx::Rect(layer_bounds));
tilings = active_layer_->tilings();
for (size_t i = 0; i < tilings->num_tilings(); i++) {
PictureLayerTiling* tiling = tilings->tiling_at(i);
EXPECT_EQ(
tiling->GetCurrentVisibleRectForTesting(),
gfx::ScaleToEnclosingRect(viewport_rect_for_tile_priority_in_view_space,
tiling->contents_scale()));
}
}
TEST_F(PictureLayerImplTest, InvalidViewportForPrioritizingTiles) {
base::TimeTicks time_ticks;
host_impl_.SetCurrentFrameTimeTicks(time_ticks);
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(400, 400);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
Region invalidation;
AddDefaultTilingsWithInvalidation(invalidation);
SetupDrawPropertiesAndUpdateTiles(active_layer_, 1.f, 1.f, 1.f, 1.f, false);
// UpdateTiles with valid viewport. Should update tile viewport.
// Note viewport is considered invalid if and only if in resourceless
// software draw.
bool resourceless_software_draw = false;
gfx::Rect viewport = gfx::Rect(layer_bounds);
gfx::Transform transform;
host_impl_.SetExternalDrawConstraints(transform,
viewport,
viewport,
viewport,
transform,
resourceless_software_draw);
active_layer_->draw_properties().visible_content_rect = viewport;
active_layer_->draw_properties().screen_space_transform = transform;
active_layer_->UpdateTiles();
gfx::Rect visible_rect_for_tile_priority =
active_layer_->visible_rect_for_tile_priority();
EXPECT_FALSE(visible_rect_for_tile_priority.IsEmpty());
gfx::Rect viewport_rect_for_tile_priority =
active_layer_->viewport_rect_for_tile_priority();
EXPECT_FALSE(viewport_rect_for_tile_priority.IsEmpty());
gfx::Transform screen_space_transform_for_tile_priority =
active_layer_->screen_space_transform_for_tile_priority();
// Expand viewport and set it as invalid for prioritizing tiles.
// Should not update tile viewport.
time_ticks += base::TimeDelta::FromMilliseconds(200);
host_impl_.SetCurrentFrameTimeTicks(time_ticks);
resourceless_software_draw = true;
viewport = gfx::ScaleToEnclosingRect(viewport, 2);
transform.Translate(1.f, 1.f);
active_layer_->draw_properties().visible_content_rect = viewport;
active_layer_->draw_properties().screen_space_transform = transform;
host_impl_.SetExternalDrawConstraints(transform,
viewport,
viewport,
viewport,
transform,
resourceless_software_draw);
active_layer_->UpdateTiles();
EXPECT_RECT_EQ(visible_rect_for_tile_priority,
active_layer_->visible_rect_for_tile_priority());
EXPECT_RECT_EQ(viewport_rect_for_tile_priority,
active_layer_->viewport_rect_for_tile_priority());
EXPECT_TRANSFORMATION_MATRIX_EQ(
screen_space_transform_for_tile_priority,
active_layer_->screen_space_transform_for_tile_priority());
// Keep expanded viewport but mark it valid. Should update tile viewport.
time_ticks += base::TimeDelta::FromMilliseconds(200);
host_impl_.SetCurrentFrameTimeTicks(time_ticks);
resourceless_software_draw = false;
host_impl_.SetExternalDrawConstraints(transform,
viewport,
viewport,
viewport,
transform,
resourceless_software_draw);
active_layer_->UpdateTiles();
EXPECT_FALSE(visible_rect_for_tile_priority ==
active_layer_->visible_rect_for_tile_priority());
EXPECT_FALSE(viewport_rect_for_tile_priority ==
active_layer_->viewport_rect_for_tile_priority());
EXPECT_FALSE(screen_space_transform_for_tile_priority ==
active_layer_->screen_space_transform_for_tile_priority());
}
TEST_F(PictureLayerImplTest, InvalidViewportAfterReleaseResources) {
base::TimeTicks time_ticks;
host_impl_.SetCurrentFrameTimeTicks(time_ticks);
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(400, 400);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
Region invalidation;
AddDefaultTilingsWithInvalidation(invalidation);
bool resourceless_software_draw = true;
gfx::Rect viewport = gfx::Rect(layer_bounds);
gfx::Transform identity = gfx::Transform();
host_impl_.SetExternalDrawConstraints(identity,
viewport,
viewport,
viewport,
identity,
resourceless_software_draw);
ResetTilingsAndRasterScales();
host_impl_.pending_tree()->UpdateDrawProperties();
host_impl_.active_tree()->UpdateDrawProperties();
EXPECT_TRUE(active_layer_->HighResTiling());
size_t num_tilings = active_layer_->num_tilings();
active_layer_->UpdateTiles();
pending_layer_->AddTiling(0.5f);
EXPECT_EQ(num_tilings + 1, active_layer_->num_tilings());
}
TEST_F(PictureLayerImplTest, ClonePartialInvalidation) {
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(400, 400);
gfx::Rect layer_invalidation(150, 200, 30, 180);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
Region invalidation(layer_invalidation);
AddDefaultTilingsWithInvalidation(invalidation);
const PictureLayerTilingSet* tilings = pending_layer_->tilings();
EXPECT_GT(tilings->num_tilings(), 0u);
for (size_t i = 0; i < tilings->num_tilings(); ++i) {
const PictureLayerTiling* tiling = tilings->tiling_at(i);
gfx::Rect content_invalidation = gfx::ScaleToEnclosingRect(
layer_invalidation,
tiling->contents_scale());
for (PictureLayerTiling::CoverageIterator iter(
tiling, tiling->contents_scale(), tiling->TilingRect());
iter;
++iter) {
EXPECT_TRUE(*iter);
EXPECT_FALSE(iter.geometry_rect().IsEmpty());
if (iter.geometry_rect().Intersects(content_invalidation))
EXPECT_EQ(pending_pile, iter->picture_pile());
else
EXPECT_EQ(active_pile, iter->picture_pile());
}
}
}
TEST_F(PictureLayerImplTest, CloneFullInvalidation) {
gfx::Size tile_size(90, 80);
gfx::Size layer_bounds(300, 500);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
Region invalidation((gfx::Rect(layer_bounds)));
AddDefaultTilingsWithInvalidation(invalidation);
EXPECT_EQ(pending_layer_->tilings()->num_tilings(),
active_layer_->tilings()->num_tilings());
const PictureLayerTilingSet* tilings = pending_layer_->tilings();
EXPECT_GT(tilings->num_tilings(), 0u);
for (size_t i = 0; i < tilings->num_tilings(); ++i)
VerifyAllTilesExistAndHavePile(tilings->tiling_at(i), pending_pile.get());
}
TEST_F(PictureLayerImplTest, NoInvalidationBoundsChange) {
gfx::Size tile_size(90, 80);
gfx::Size active_layer_bounds(300, 500);
gfx::Size pending_layer_bounds(400, 800);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size,
pending_layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, active_layer_bounds);
SetupTrees(pending_pile, active_pile);
pending_layer_->set_fixed_tile_size(gfx::Size(100, 100));
Region invalidation;
AddDefaultTilingsWithInvalidation(invalidation);
const PictureLayerTilingSet* tilings = pending_layer_->tilings();
EXPECT_GT(tilings->num_tilings(), 0u);
for (size_t i = 0; i < tilings->num_tilings(); ++i) {
const PictureLayerTiling* tiling = tilings->tiling_at(i);
gfx::Rect active_content_bounds = gfx::ScaleToEnclosingRect(
gfx::Rect(active_layer_bounds),
tiling->contents_scale());
for (PictureLayerTiling::CoverageIterator iter(
tiling, tiling->contents_scale(), tiling->TilingRect());
iter;
++iter) {
EXPECT_TRUE(*iter);
EXPECT_FALSE(iter.geometry_rect().IsEmpty());
std::vector<Tile*> active_tiles =
active_layer_->tilings()->tiling_at(i)->AllTilesForTesting();
std::vector<Tile*> pending_tiles = tiling->AllTilesForTesting();
if (iter.geometry_rect().right() >= active_content_bounds.width() ||
iter.geometry_rect().bottom() >= active_content_bounds.height() ||
active_tiles[0]->content_rect().size() !=
pending_tiles[0]->content_rect().size()) {
EXPECT_EQ(pending_pile, iter->picture_pile());
} else {
EXPECT_EQ(active_pile, iter->picture_pile());
}
}
}
}
TEST_F(PictureLayerImplTest, AddTilesFromNewRecording) {
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1300, 1900);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateEmptyPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateEmptyPile(tile_size, layer_bounds);
// Fill in some of active pile, but more of pending pile.
int hole_count = 0;
for (int x = 0; x < active_pile->tiling().num_tiles_x(); ++x) {
for (int y = 0; y < active_pile->tiling().num_tiles_y(); ++y) {
if ((x + y) % 2) {
pending_pile->AddRecordingAt(x, y);
active_pile->AddRecordingAt(x, y);
} else {
hole_count++;
if (hole_count % 2)
pending_pile->AddRecordingAt(x, y);
}
}
}
SetupTrees(pending_pile, active_pile);
Region invalidation;
AddDefaultTilingsWithInvalidation(invalidation);
const PictureLayerTilingSet* tilings = pending_layer_->tilings();
EXPECT_GT(tilings->num_tilings(), 0u);
for (size_t i = 0; i < tilings->num_tilings(); ++i) {
const PictureLayerTiling* tiling = tilings->tiling_at(i);
for (PictureLayerTiling::CoverageIterator iter(
tiling, tiling->contents_scale(), tiling->TilingRect());
iter;
++iter) {
EXPECT_FALSE(iter.full_tile_geometry_rect().IsEmpty());
// Ensure there is a recording for this tile.
bool in_pending = pending_pile->CanRaster(tiling->contents_scale(),
iter.full_tile_geometry_rect());
bool in_active = active_pile->CanRaster(tiling->contents_scale(),
iter.full_tile_geometry_rect());
if (in_pending && !in_active)
EXPECT_EQ(pending_pile, iter->picture_pile());
else if (in_active)
EXPECT_EQ(active_pile, iter->picture_pile());
else
EXPECT_FALSE(*iter);
}
}
}
TEST_F(PictureLayerImplTest, ManageTilingsWithNoRecording) {
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1300, 1900);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateEmptyPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateEmptyPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
SetupDrawPropertiesAndUpdateTiles(pending_layer_, 1.f, 1.f, 1.f, 1.f, false);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
}
TEST_F(PictureLayerImplTest, ManageTilingsCreatesTilings) {
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1300, 1900);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
float low_res_factor = host_impl_.settings().low_res_contents_scale_factor;
EXPECT_LT(low_res_factor, 1.f);
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
6.f, // ideal contents scale
3.f, // device scale
2.f, // page scale
1.f, // maximum animation scale
false);
ASSERT_EQ(2u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(6.f,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(6.f * low_res_factor,
pending_layer_->tilings()->tiling_at(1)->contents_scale());
// If we change the page scale factor, then we should get new tilings.
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
6.6f, // ideal contents scale
3.f, // device scale
2.2f, // page scale
1.f, // maximum animation scale
false);
ASSERT_EQ(4u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(6.6f,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(6.6f * low_res_factor,
pending_layer_->tilings()->tiling_at(2)->contents_scale());
// If we change the device scale factor, then we should get new tilings.
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
7.26f, // ideal contents scale
3.3f, // device scale
2.2f, // page scale
1.f, // maximum animation scale
false);
ASSERT_EQ(6u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(7.26f,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(7.26f * low_res_factor,
pending_layer_->tilings()->tiling_at(3)->contents_scale());
// If we change the device scale factor, but end up at the same total scale
// factor somehow, then we don't get new tilings.
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
7.26f, // ideal contents scale
2.2f, // device scale
3.3f, // page scale
1.f, // maximum animation scale
false);
ASSERT_EQ(6u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(7.26f,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(7.26f * low_res_factor,
pending_layer_->tilings()->tiling_at(3)->contents_scale());
}
TEST_F(PictureLayerImplTest, CreateTilingsEvenIfTwinHasNone) {
// This test makes sure that if a layer can have tilings, then a commit makes
// it not able to have tilings (empty size), and then a future commit that
// makes it valid again should be able to create tilings.
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1300, 1900);
scoped_refptr<FakePicturePileImpl> empty_pile =
FakePicturePileImpl::CreateEmptyPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> valid_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
float low_res_factor = host_impl_.settings().low_res_contents_scale_factor;
EXPECT_LT(low_res_factor, 1.f);
float high_res_scale = 1.3f;
float low_res_scale = high_res_scale * low_res_factor;
float device_scale = 1.7f;
float page_scale = 3.2f;
float maximum_animation_scale = 1.f;
SetupPendingTree(valid_pile);
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
high_res_scale,
device_scale,
page_scale,
maximum_animation_scale,
false);
ASSERT_EQ(2u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(high_res_scale,
pending_layer_->HighResTiling()->contents_scale());
EXPECT_FLOAT_EQ(low_res_scale,
pending_layer_->LowResTiling()->contents_scale());
ActivateTree();
SetupPendingTree(empty_pile);
EXPECT_FALSE(pending_layer_->CanHaveTilings());
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
high_res_scale,
device_scale,
page_scale,
maximum_animation_scale,
false);
ASSERT_EQ(2u, active_layer_->tilings()->num_tilings());
ASSERT_EQ(0u, pending_layer_->tilings()->num_tilings());
ActivateTree();
EXPECT_FALSE(active_layer_->CanHaveTilings());
SetupDrawPropertiesAndUpdateTiles(active_layer_,
high_res_scale,
device_scale,
page_scale,
maximum_animation_scale,
false);
ASSERT_EQ(0u, active_layer_->tilings()->num_tilings());
SetupPendingTree(valid_pile);
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
high_res_scale,
device_scale,
page_scale,
maximum_animation_scale,
false);
ASSERT_EQ(2u, pending_layer_->tilings()->num_tilings());
ASSERT_EQ(0u, active_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(high_res_scale,
pending_layer_->HighResTiling()->contents_scale());
EXPECT_FLOAT_EQ(low_res_scale,
pending_layer_->LowResTiling()->contents_scale());
}
TEST_F(PictureLayerImplTest, ZoomOutCrash) {
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1300, 1900);
// Set up the high and low res tilings before pinch zoom.
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, active_layer_->tilings()->num_tilings());
SetContentsScaleOnBothLayers(32.0f, 1.0f, 32.0f, 1.0f, false);
host_impl_.PinchGestureBegin();
SetContentsScaleOnBothLayers(1.0f, 1.0f, 1.0f, 1.0f, false);
SetContentsScaleOnBothLayers(1.0f, 1.0f, 1.0f, 1.0f, false);
EXPECT_EQ(active_layer_->tilings()->NumHighResTilings(), 1);
}
TEST_F(PictureLayerImplTest, PinchGestureTilings) {
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1300, 1900);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
// Set up the high and low res tilings before pinch zoom.
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, active_layer_->tilings()->num_tilings());
SetContentsScaleOnBothLayers(2.0f, 1.0f, 1.0f, 1.0f, false);
float low_res_factor = host_impl_.settings().low_res_contents_scale_factor;
EXPECT_EQ(2u, active_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(2.0f,
active_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(2.0f * low_res_factor,
active_layer_->tilings()->tiling_at(1)->contents_scale());
// Start a pinch gesture.
host_impl_.PinchGestureBegin();
// Zoom out by a small amount. We should create a tiling at half
// the scale (2/kMaxScaleRatioDuringPinch).
SetContentsScaleOnBothLayers(1.8f, 1.0f, 0.9f, 1.0f, false);
EXPECT_EQ(3u, active_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(2.0f,
active_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(1.0f,
active_layer_->tilings()->tiling_at(1)->contents_scale());
EXPECT_FLOAT_EQ(2.0f * low_res_factor,
active_layer_->tilings()->tiling_at(2)->contents_scale());
// Zoom out further, close to our low-res scale factor. We should
// use that tiling as high-res, and not create a new tiling.
SetContentsScaleOnBothLayers(
low_res_factor, 1.0f, low_res_factor / 2.0f, 1.0f, false);
EXPECT_EQ(3u, active_layer_->tilings()->num_tilings());
// Zoom in a lot now. Since we increase by increments of
// kMaxScaleRatioDuringPinch, this will first use 1.0, then 2.0
// and then finally create a new tiling at 4.0.
SetContentsScaleOnBothLayers(4.2f, 1.0f, 2.1f, 1.f, false);
EXPECT_EQ(3u, active_layer_->tilings()->num_tilings());
SetContentsScaleOnBothLayers(4.2f, 1.0f, 2.1f, 1.f, false);
EXPECT_EQ(3u, active_layer_->tilings()->num_tilings());
SetContentsScaleOnBothLayers(4.2f, 1.0f, 2.1f, 1.f, false);
EXPECT_EQ(4u, active_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(4.0f,
active_layer_->tilings()->tiling_at(0)->contents_scale());
}
TEST_F(PictureLayerImplTest, SnappedTilingDuringZoom) {
gfx::Size tile_size(300, 300);
gfx::Size layer_bounds(2600, 3800);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
// Set up the high and low res tilings before pinch zoom.
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, active_layer_->tilings()->num_tilings());
SetContentsScaleOnBothLayers(0.24f, 1.0f, 0.24f, 1.0f, false);
EXPECT_EQ(2u, active_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(0.24f,
active_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(0.0625f,
active_layer_->tilings()->tiling_at(1)->contents_scale());
// Start a pinch gesture.
host_impl_.PinchGestureBegin();
// Zoom out by a small amount. We should create a tiling at half
// the scale (1/kMaxScaleRatioDuringPinch).
SetContentsScaleOnBothLayers(0.2f, 1.0f, 0.2f, 1.0f, false);
EXPECT_EQ(3u, active_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(0.24f,
active_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(0.12f,
active_layer_->tilings()->tiling_at(1)->contents_scale());
EXPECT_FLOAT_EQ(0.0625,
active_layer_->tilings()->tiling_at(2)->contents_scale());
// Zoom out further, close to our low-res scale factor. We should
// use that tiling as high-res, and not create a new tiling.
SetContentsScaleOnBothLayers(0.1f, 1.0f, 0.1f, 1.0f, false);
EXPECT_EQ(3u, active_layer_->tilings()->num_tilings());
// Zoom in. 0.125(desired_scale) should be snapped to 0.12 during zoom-in
// because 0.125(desired_scale) is within the ratio(1.2)
SetContentsScaleOnBothLayers(0.5f, 1.0f, 0.5f, 1.0f, false);
EXPECT_EQ(3u, active_layer_->tilings()->num_tilings());
}
TEST_F(PictureLayerImplTest, CleanUpTilings) {
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1300, 1900);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
std::vector<PictureLayerTiling*> used_tilings;
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
float low_res_factor = host_impl_.settings().low_res_contents_scale_factor;
EXPECT_LT(low_res_factor, 1.f);
float device_scale = 1.7f;
float page_scale = 3.2f;
float scale = 1.f;
SetContentsScaleOnBothLayers(scale, device_scale, page_scale, 1.f, false);
ASSERT_EQ(2u, active_layer_->tilings()->num_tilings());
// We only have ideal tilings, so they aren't removed.
used_tilings.clear();
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(2u, active_layer_->tilings()->num_tilings());
host_impl_.PinchGestureBegin();
// Changing the ideal but not creating new tilings.
scale *= 1.5f;
page_scale *= 1.5f;
SetContentsScaleOnBothLayers(scale, device_scale, page_scale, 1.f, false);
ASSERT_EQ(2u, active_layer_->tilings()->num_tilings());
// The tilings are still our target scale, so they aren't removed.
used_tilings.clear();
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(2u, active_layer_->tilings()->num_tilings());
host_impl_.PinchGestureEnd();
// Create a 1.2 scale tiling. Now we have 1.0 and 1.2 tilings. Ideal = 1.2.
scale /= 4.f;
page_scale /= 4.f;
SetContentsScaleOnBothLayers(1.2f, device_scale, page_scale, 1.f, false);
ASSERT_EQ(4u, active_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
1.f,
active_layer_->tilings()->tiling_at(1)->contents_scale());
EXPECT_FLOAT_EQ(
1.f * low_res_factor,
active_layer_->tilings()->tiling_at(3)->contents_scale());
// Mark the non-ideal tilings as used. They won't be removed.
used_tilings.clear();
used_tilings.push_back(active_layer_->tilings()->tiling_at(1));
used_tilings.push_back(active_layer_->tilings()->tiling_at(3));
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(4u, active_layer_->tilings()->num_tilings());
// Now move the ideal scale to 0.5. Our target stays 1.2.
SetContentsScaleOnBothLayers(0.5f, device_scale, page_scale, 1.f, false);
// The high resolution tiling is between target and ideal, so is not
// removed. The low res tiling for the old ideal=1.0 scale is removed.
used_tilings.clear();
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(3u, active_layer_->tilings()->num_tilings());
// Now move the ideal scale to 1.0. Our target stays 1.2.
SetContentsScaleOnBothLayers(1.f, device_scale, page_scale, 1.f, false);
// All the tilings are between are target and the ideal, so they are not
// removed.
used_tilings.clear();
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(3u, active_layer_->tilings()->num_tilings());
// Now move the ideal scale to 1.1 on the active layer. Our target stays 1.2.
SetupDrawPropertiesAndUpdateTiles(
active_layer_, 1.1f, device_scale, page_scale, 1.f, false);
// Because the pending layer's ideal scale is still 1.0, our tilings fall
// in the range [1.0,1.2] and are kept.
used_tilings.clear();
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(3u, active_layer_->tilings()->num_tilings());
// Move the ideal scale on the pending layer to 1.1 as well. Our target stays
// 1.2 still.
SetupDrawPropertiesAndUpdateTiles(
pending_layer_, 1.1f, device_scale, page_scale, 1.f, false);
// Our 1.0 tiling now falls outside the range between our ideal scale and our
// target raster scale. But it is in our used tilings set, so nothing is
// deleted.
used_tilings.clear();
used_tilings.push_back(active_layer_->tilings()->tiling_at(1));
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(3u, active_layer_->tilings()->num_tilings());
// If we remove it from our used tilings set, it is outside the range to keep
// so it is deleted.
used_tilings.clear();
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(2u, active_layer_->tilings()->num_tilings());
}
#define EXPECT_BOTH_EQ(expression, x) \
do { \
EXPECT_EQ(x, pending_layer_->expression); \
EXPECT_EQ(x, active_layer_->expression); \
} while (false)
TEST_F(PictureLayerImplTest, DontAddLowResDuringAnimation) {
// Make sure this layer covers multiple tiles, since otherwise low
// res won't get created because it is too small.
gfx::Size tile_size(host_impl_.settings().default_tile_size);
SetupDefaultTrees(gfx::Size(tile_size.width() + 1, tile_size.height() + 1));
// Avoid max untiled layer size heuristics via fixed tile size.
pending_layer_->set_fixed_tile_size(tile_size);
active_layer_->set_fixed_tile_size(tile_size);
float low_res_factor = host_impl_.settings().low_res_contents_scale_factor;
float contents_scale = 1.f;
float device_scale = 1.f;
float page_scale = 1.f;
float maximum_animation_scale = 1.f;
bool animating_transform = true;
// Animating, so don't create low res even if there isn't one already.
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 1.f);
EXPECT_BOTH_EQ(num_tilings(), 1u);
// Stop animating, low res gets created.
animating_transform = false;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 1.f);
EXPECT_BOTH_EQ(LowResTiling()->contents_scale(), low_res_factor);
EXPECT_BOTH_EQ(num_tilings(), 2u);
// Page scale animation, new high res, but not new low res because animating.
contents_scale = 2.f;
page_scale = 2.f;
animating_transform = true;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 2.f);
EXPECT_BOTH_EQ(LowResTiling()->contents_scale(), low_res_factor);
EXPECT_BOTH_EQ(num_tilings(), 3u);
// Stop animating, new low res gets created for final page scale.
animating_transform = false;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 2.f);
EXPECT_BOTH_EQ(LowResTiling()->contents_scale(), 2.f * low_res_factor);
EXPECT_BOTH_EQ(num_tilings(), 4u);
}
TEST_F(PictureLayerImplTest, DontAddLowResForSmallLayers) {
gfx::Size tile_size(host_impl_.settings().default_tile_size);
SetupDefaultTrees(tile_size);
float low_res_factor = host_impl_.settings().low_res_contents_scale_factor;
float device_scale = 1.f;
float page_scale = 1.f;
float maximum_animation_scale = 1.f;
bool animating_transform = false;
// Contents exactly fit on one tile at scale 1, no low res.
float contents_scale = 1.f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), contents_scale);
EXPECT_BOTH_EQ(num_tilings(), 1u);
ResetTilingsAndRasterScales();
// Contents that are smaller than one tile, no low res.
contents_scale = 0.123f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), contents_scale);
EXPECT_BOTH_EQ(num_tilings(), 1u);
ResetTilingsAndRasterScales();
// Any content bounds that would create more than one tile will
// generate a low res tiling.
contents_scale = 2.5f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), contents_scale);
EXPECT_BOTH_EQ(LowResTiling()->contents_scale(),
contents_scale * low_res_factor);
EXPECT_BOTH_EQ(num_tilings(), 2u);
ResetTilingsAndRasterScales();
// Mask layers dont create low res since they always fit on one tile.
pending_layer_->SetIsMask(true);
active_layer_->SetIsMask(true);
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), contents_scale);
EXPECT_BOTH_EQ(num_tilings(), 1u);
}
TEST_F(PictureLayerImplTest, ReleaseResources) {
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1300, 1900);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
1.3f, // ideal contents scale
2.7f, // device scale
3.2f, // page scale
1.f, // maximum animation scale
false);
EXPECT_EQ(2u, pending_layer_->tilings()->num_tilings());
// All tilings should be removed when losing output surface.
active_layer_->ReleaseResources();
EXPECT_EQ(0u, active_layer_->tilings()->num_tilings());
pending_layer_->ReleaseResources();
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
// This should create new tilings.
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
1.3f, // ideal contents scale
2.7f, // device scale
3.2f, // page scale
1.f, // maximum animation scale
false);
EXPECT_EQ(2u, pending_layer_->tilings()->num_tilings());
}
TEST_F(PictureLayerImplTest, ClampTilesToToMaxTileSize) {
// The default max tile size is larger than 400x400.
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(5000, 5000);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
SetupDrawPropertiesAndUpdateTiles(pending_layer_, 1.f, 1.f, 1.f, 1.f, false);
ASSERT_EQ(2u, pending_layer_->tilings()->num_tilings());
pending_layer_->tilings()->tiling_at(0)->CreateAllTilesForTesting();
// The default value.
EXPECT_EQ(gfx::Size(256, 256).ToString(),
host_impl_.settings().default_tile_size.ToString());
Tile* tile = pending_layer_->tilings()->tiling_at(0)->AllTilesForTesting()[0];
EXPECT_EQ(gfx::Size(256, 256).ToString(),
tile->content_rect().size().ToString());
pending_layer_->ReleaseResources();
// Change the max texture size on the output surface context.
scoped_ptr<TestWebGraphicsContext3D> context =
TestWebGraphicsContext3D::Create();
context->set_max_texture_size(140);
host_impl_.DidLoseOutputSurface();
host_impl_.InitializeRenderer(FakeOutputSurface::Create3d(
context.Pass()).PassAs<OutputSurface>());
SetupDrawPropertiesAndUpdateTiles(pending_layer_, 1.f, 1.f, 1.f, 1.f, false);
ASSERT_EQ(2u, pending_layer_->tilings()->num_tilings());
pending_layer_->tilings()->tiling_at(0)->CreateAllTilesForTesting();
// Verify the tiles are not larger than the context's max texture size.
tile = pending_layer_->tilings()->tiling_at(0)->AllTilesForTesting()[0];
EXPECT_GE(140, tile->content_rect().width());
EXPECT_GE(140, tile->content_rect().height());
}
TEST_F(PictureLayerImplTest, ClampSingleTileToToMaxTileSize) {
// The default max tile size is larger than 400x400.
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(500, 500);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
SetupDrawPropertiesAndUpdateTiles(pending_layer_, 1.f, 1.f, 1.f, 1.f, false);
ASSERT_LE(1u, pending_layer_->tilings()->num_tilings());
pending_layer_->tilings()->tiling_at(0)->CreateAllTilesForTesting();
// The default value. The layer is smaller than this.
EXPECT_EQ(gfx::Size(512, 512).ToString(),
host_impl_.settings().max_untiled_layer_size.ToString());
// There should be a single tile since the layer is small.
PictureLayerTiling* high_res_tiling = pending_layer_->tilings()->tiling_at(0);
EXPECT_EQ(1u, high_res_tiling->AllTilesForTesting().size());
pending_layer_->ReleaseResources();
// Change the max texture size on the output surface context.
scoped_ptr<TestWebGraphicsContext3D> context =
TestWebGraphicsContext3D::Create();
context->set_max_texture_size(140);
host_impl_.DidLoseOutputSurface();
host_impl_.InitializeRenderer(FakeOutputSurface::Create3d(
context.Pass()).PassAs<OutputSurface>());
SetupDrawPropertiesAndUpdateTiles(pending_layer_, 1.f, 1.f, 1.f, 1.f, false);
ASSERT_LE(1u, pending_layer_->tilings()->num_tilings());
pending_layer_->tilings()->tiling_at(0)->CreateAllTilesForTesting();
// There should be more than one tile since the max texture size won't cover
// the layer.
high_res_tiling = pending_layer_->tilings()->tiling_at(0);
EXPECT_LT(1u, high_res_tiling->AllTilesForTesting().size());
// Verify the tiles are not larger than the context's max texture size.
Tile* tile = pending_layer_->tilings()->tiling_at(0)->AllTilesForTesting()[0];
EXPECT_GE(140, tile->content_rect().width());
EXPECT_GE(140, tile->content_rect().height());
}
TEST_F(PictureLayerImplTest, DisallowTileDrawQuads) {
MockOcclusionTracker<LayerImpl> occlusion_tracker;
scoped_ptr<RenderPass> render_pass = RenderPass::Create();
MockQuadCuller quad_culler(render_pass.get(), &occlusion_tracker);
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1300, 1900);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
active_layer_->draw_properties().visible_content_rect =
gfx::Rect(layer_bounds);
gfx::Rect layer_invalidation(150, 200, 30, 180);
Region invalidation(layer_invalidation);
AddDefaultTilingsWithInvalidation(invalidation);
AppendQuadsData data;
active_layer_->WillDraw(DRAW_MODE_RESOURCELESS_SOFTWARE, NULL);
active_layer_->AppendQuads(&quad_culler, &data);
active_layer_->DidDraw(NULL);
ASSERT_EQ(1U, quad_culler.quad_list().size());
EXPECT_EQ(DrawQuad::PICTURE_CONTENT, quad_culler.quad_list()[0]->material);
}
TEST_F(PictureLayerImplTest, MarkRequiredNullTiles) {
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(1000, 1000);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateEmptyPile(tile_size, layer_bounds);
// Layers with entirely empty piles can't get tilings.
pending_pile->AddRecordingAt(0, 0);
SetupPendingTree(pending_pile);
ASSERT_TRUE(pending_layer_->CanHaveTilings());
pending_layer_->AddTiling(1.0f);
pending_layer_->AddTiling(2.0f);
// It should be safe to call this (and MarkVisibleResourcesAsRequired)
// on a layer with no recordings.
host_impl_.pending_tree()->UpdateDrawProperties();
pending_layer_->MarkVisibleResourcesAsRequired();
}
TEST_F(PictureLayerImplTest, MarkRequiredOffscreenTiles) {
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(200, 200);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupPendingTree(pending_pile);
pending_layer_->set_fixed_tile_size(tile_size);
ASSERT_TRUE(pending_layer_->CanHaveTilings());
PictureLayerTiling* tiling = pending_layer_->AddTiling(1.f);
host_impl_.pending_tree()->UpdateDrawProperties();
EXPECT_EQ(tiling->resolution(), HIGH_RESOLUTION);
pending_layer_->draw_properties().visible_content_rect =
gfx::Rect(0, 0, 100, 200);
// Fake set priorities.
for (PictureLayerTiling::CoverageIterator iter(
tiling, pending_layer_->contents_scale_x(), gfx::Rect(layer_bounds));
iter;
++iter) {
if (!*iter)
continue;
Tile* tile = *iter;
TilePriority priority;
priority.resolution = HIGH_RESOLUTION;
gfx::Rect tile_bounds = iter.geometry_rect();
if (pending_layer_->visible_content_rect().Intersects(tile_bounds)) {
priority.priority_bin = TilePriority::NOW;
priority.distance_to_visible = 0.f;
} else {
priority.priority_bin = TilePriority::SOON;
priority.distance_to_visible = 1.f;
}
tile->SetPriority(PENDING_TREE, priority);
}
pending_layer_->MarkVisibleResourcesAsRequired();
int num_visible = 0;
int num_offscreen = 0;
for (PictureLayerTiling::CoverageIterator iter(
tiling, pending_layer_->contents_scale_x(), gfx::Rect(layer_bounds));
iter;
++iter) {
if (!*iter)
continue;
const Tile* tile = *iter;
if (tile->priority(PENDING_TREE).distance_to_visible == 0.f) {
EXPECT_TRUE(tile->required_for_activation());
num_visible++;
} else {
EXPECT_FALSE(tile->required_for_activation());
num_offscreen++;
}
}
EXPECT_GT(num_visible, 0);
EXPECT_GT(num_offscreen, 0);
}
TEST_F(PictureLayerImplTest, HighResRequiredWhenUnsharedActiveAllReady) {
gfx::Size layer_bounds(400, 400);
gfx::Size tile_size(100, 100);
SetupDefaultTreesWithFixedTileSize(layer_bounds, tile_size);
// No tiles shared.
pending_layer_->set_invalidation(gfx::Rect(layer_bounds));
CreateHighLowResAndSetAllTilesVisible();
active_layer_->SetAllTilesReady();
// No shared tiles and all active tiles ready, so pending can only
// activate with all high res tiles.
pending_layer_->MarkVisibleResourcesAsRequired();
AssertAllTilesRequired(pending_layer_->HighResTiling());
AssertNoTilesRequired(pending_layer_->LowResTiling());
}
TEST_F(PictureLayerImplTest, HighResRequiredWhenMissingHighResFlagOn) {
gfx::Size layer_bounds(400, 400);
gfx::Size tile_size(100, 100);
SetupDefaultTreesWithFixedTileSize(layer_bounds, tile_size);
// All tiles shared (no invalidation).
CreateHighLowResAndSetAllTilesVisible();
// Verify active tree not ready.
Tile* some_active_tile =
active_layer_->HighResTiling()->AllTilesForTesting()[0];
EXPECT_FALSE(some_active_tile->IsReadyToDraw());
// When high res are required, even if the active tree is not ready,
// the high res tiles must be ready.
host_impl_.active_tree()->SetRequiresHighResToDraw();
pending_layer_->MarkVisibleResourcesAsRequired();
AssertAllTilesRequired(pending_layer_->HighResTiling());
AssertNoTilesRequired(pending_layer_->LowResTiling());
}
TEST_F(PictureLayerImplTest, NothingRequiredIfAllHighResTilesShared) {
gfx::Size layer_bounds(400, 400);
gfx::Size tile_size(100, 100);
SetupDefaultTreesWithFixedTileSize(layer_bounds, tile_size);
CreateHighLowResAndSetAllTilesVisible();
Tile* some_active_tile =
active_layer_->HighResTiling()->AllTilesForTesting()[0];
EXPECT_FALSE(some_active_tile->IsReadyToDraw());
// All tiles shared (no invalidation), so even though the active tree's
// tiles aren't ready, there is nothing required.
pending_layer_->MarkVisibleResourcesAsRequired();
AssertNoTilesRequired(pending_layer_->HighResTiling());
AssertNoTilesRequired(pending_layer_->LowResTiling());
}
TEST_F(PictureLayerImplTest, NothingRequiredIfActiveMissingTiles) {
gfx::Size layer_bounds(400, 400);
gfx::Size tile_size(100, 100);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
// This pile will create tilings, but has no recordings so will not create any
// tiles. This is attempting to simulate scrolling past the end of recorded
// content on the active layer, where the recordings are so far away that
// no tiles are created.
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateEmptyPileThatThinksItHasRecordings(
tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
pending_layer_->set_fixed_tile_size(tile_size);
active_layer_->set_fixed_tile_size(tile_size);
CreateHighLowResAndSetAllTilesVisible();
// Active layer has tilings, but no tiles due to missing recordings.
EXPECT_TRUE(active_layer_->CanHaveTilings());
EXPECT_EQ(active_layer_->tilings()->num_tilings(), 2u);
EXPECT_EQ(active_layer_->HighResTiling()->AllTilesForTesting().size(), 0u);
// Since the active layer has no tiles at all, the pending layer doesn't
// need content in order to activate.
pending_layer_->MarkVisibleResourcesAsRequired();
AssertNoTilesRequired(pending_layer_->HighResTiling());
AssertNoTilesRequired(pending_layer_->LowResTiling());
}
TEST_F(PictureLayerImplTest, HighResRequiredIfActiveCantHaveTiles) {
gfx::Size layer_bounds(400, 400);
gfx::Size tile_size(100, 100);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateEmptyPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
pending_layer_->set_fixed_tile_size(tile_size);
active_layer_->set_fixed_tile_size(tile_size);
CreateHighLowResAndSetAllTilesVisible();
// Active layer can't have tiles.
EXPECT_FALSE(active_layer_->CanHaveTilings());
// All high res tiles required. This should be considered identical
// to the case where there is no active layer, to avoid flashing content.
// This can happen if a layer exists for a while and switches from
// not being able to have content to having content.
pending_layer_->MarkVisibleResourcesAsRequired();
AssertAllTilesRequired(pending_layer_->HighResTiling());
AssertNoTilesRequired(pending_layer_->LowResTiling());
}
TEST_F(PictureLayerImplTest, HighResRequiredWhenActiveHasDifferentBounds) {
gfx::Size layer_bounds(200, 200);
gfx::Size tile_size(100, 100);
SetupDefaultTreesWithFixedTileSize(layer_bounds, tile_size);
gfx::Size pending_layer_bounds(400, 400);
pending_layer_->SetBounds(pending_layer_bounds);
CreateHighLowResAndSetAllTilesVisible();
active_layer_->SetAllTilesReady();
// Since the active layer has different bounds, the pending layer needs all
// high res tiles in order to activate.
pending_layer_->MarkVisibleResourcesAsRequired();
AssertAllTilesRequired(pending_layer_->HighResTiling());
AssertNoTilesRequired(pending_layer_->LowResTiling());
}
TEST_F(PictureLayerImplTest, ActivateUninitializedLayer) {
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(400, 400);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
host_impl_.CreatePendingTree();
LayerTreeImpl* pending_tree = host_impl_.pending_tree();
scoped_ptr<FakePictureLayerImpl> pending_layer =
FakePictureLayerImpl::CreateWithPile(pending_tree, id_, pending_pile);
pending_layer->SetDrawsContent(true);
pending_tree->SetRootLayer(pending_layer.PassAs<LayerImpl>());
pending_layer_ = static_cast<FakePictureLayerImpl*>(
host_impl_.pending_tree()->LayerById(id_));
// Set some state on the pending layer, make sure it is not clobbered
// by a sync from the active layer. This could happen because if the
// pending layer has not been post-commit initialized it will attempt
// to sync from the active layer.
float raster_page_scale = 10.f * pending_layer_->raster_page_scale();
pending_layer_->set_raster_page_scale(raster_page_scale);
EXPECT_TRUE(pending_layer_->needs_post_commit_initialization());
host_impl_.ActivatePendingTree();
active_layer_ = static_cast<FakePictureLayerImpl*>(
host_impl_.active_tree()->LayerById(id_));
EXPECT_EQ(0u, active_layer_->num_tilings());
EXPECT_EQ(raster_page_scale, active_layer_->raster_page_scale());
EXPECT_FALSE(active_layer_->needs_post_commit_initialization());
}
TEST_F(PictureLayerImplTest, RemoveInvalidTilesOnActivation) {
SetupDefaultTrees(gfx::Size(1500, 1500));
AddDefaultTilingsWithInvalidation(gfx::Rect(0, 0, 1, 1));
FakePictureLayerImpl* recycled_layer = pending_layer_;
host_impl_.ActivatePendingTree();
active_layer_ = static_cast<FakePictureLayerImpl*>(
host_impl_.active_tree()->LayerById(id_));
EXPECT_EQ(3u, active_layer_->num_tilings());
EXPECT_EQ(3u, recycled_layer->num_tilings());
EXPECT_FALSE(host_impl_.pending_tree());
for (size_t i = 0; i < active_layer_->num_tilings(); ++i) {
PictureLayerTiling* active_tiling = active_layer_->tilings()->tiling_at(i);
PictureLayerTiling* recycled_tiling =
recycled_layer->tilings()->tiling_at(i);
ASSERT_TRUE(active_tiling);
ASSERT_TRUE(recycled_tiling);
EXPECT_TRUE(active_tiling->TileAt(0, 0));
EXPECT_TRUE(active_tiling->TileAt(1, 0));
EXPECT_TRUE(active_tiling->TileAt(0, 1));
EXPECT_TRUE(active_tiling->TileAt(1, 1));
EXPECT_FALSE(recycled_tiling->TileAt(0, 0));
EXPECT_TRUE(recycled_tiling->TileAt(1, 0));
EXPECT_TRUE(recycled_tiling->TileAt(0, 1));
EXPECT_TRUE(recycled_tiling->TileAt(1, 1));
EXPECT_EQ(active_tiling->TileAt(1, 0), recycled_tiling->TileAt(1, 0));
EXPECT_EQ(active_tiling->TileAt(0, 1), recycled_tiling->TileAt(0, 1));
EXPECT_EQ(active_tiling->TileAt(1, 1), recycled_tiling->TileAt(1, 1));
}
}
TEST_F(PictureLayerImplTest, SyncTilingAfterReleaseResource) {
SetupDefaultTrees(gfx::Size(10, 10));
host_impl_.active_tree()->UpdateDrawProperties();
EXPECT_FALSE(host_impl_.active_tree()->needs_update_draw_properties());
// Contrived unit test of a real crash. A layer is transparent during a
// context loss, and later becomes opaque, causing active layer SyncTiling to
// be called.
float new_scale = 1.f;
active_layer_->ReleaseResources();
pending_layer_->ReleaseResources();
EXPECT_FALSE(active_layer_->tilings()->TilingAtScale(new_scale));
pending_layer_->AddTiling(new_scale);
EXPECT_TRUE(active_layer_->tilings()->TilingAtScale(new_scale));
// UpdateDrawProperties early-outs if the tree doesn't need it. It is also
// responsible for calling ManageTilings. These checks verify that
// ReleaseResources has set needs update draw properties so that the
// new tiling gets the appropriate resolution set in ManageTilings.
EXPECT_TRUE(host_impl_.active_tree()->needs_update_draw_properties());
host_impl_.active_tree()->UpdateDrawProperties();
PictureLayerTiling* high_res =
active_layer_->tilings()->TilingAtScale(new_scale);
ASSERT_TRUE(!!high_res);
EXPECT_EQ(HIGH_RESOLUTION, high_res->resolution());
}
TEST_F(PictureLayerImplTest, SyncTilingAfterGpuRasterizationToggles) {
SetupDefaultTrees(gfx::Size(10, 10));
const float kScale = 1.f;
pending_layer_->AddTiling(kScale);
EXPECT_TRUE(pending_layer_->tilings()->TilingAtScale(kScale));
EXPECT_TRUE(active_layer_->tilings()->TilingAtScale(kScale));
// Gpu rasterization is disabled by default.
EXPECT_FALSE(host_impl_.use_gpu_rasterization());
// Toggling the gpu rasterization clears all tilings on both trees.
host_impl_.SetUseGpuRasterization(true);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
EXPECT_EQ(0u, active_layer_->tilings()->num_tilings());
// Make sure that we can still add tiling to the pending layer,
// that gets synced to the active layer.
pending_layer_->AddTiling(kScale);
EXPECT_TRUE(pending_layer_->tilings()->TilingAtScale(kScale));
EXPECT_TRUE(active_layer_->tilings()->TilingAtScale(kScale));
// Toggling the gpu rasterization clears all tilings on both trees.
EXPECT_TRUE(host_impl_.use_gpu_rasterization());
host_impl_.SetUseGpuRasterization(false);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
EXPECT_EQ(0u, active_layer_->tilings()->num_tilings());
}
TEST_F(PictureLayerImplTest, HighResCreatedWhenBoundsShrink) {
SetupDefaultTrees(gfx::Size(10, 10));
host_impl_.active_tree()->UpdateDrawProperties();
EXPECT_FALSE(host_impl_.active_tree()->needs_update_draw_properties());
SetupDrawPropertiesAndUpdateTiles(
active_layer_, 0.5f, 0.5f, 0.5f, 0.5f, false);
active_layer_->tilings()->RemoveAllTilings();
PictureLayerTiling* tiling = active_layer_->tilings()->AddTiling(0.5f);
active_layer_->tilings()->AddTiling(1.5f);
active_layer_->tilings()->AddTiling(0.25f);
tiling->set_resolution(HIGH_RESOLUTION);
// Sanity checks.
ASSERT_EQ(3u, active_layer_->tilings()->num_tilings());
ASSERT_EQ(tiling, active_layer_->tilings()->TilingAtScale(0.5f));
// Now, set the bounds to be 1x1 (so that minimum contents scale becomes
// 1.0f). Note that we should also ensure that the pending layer needs post
// commit initialization, since this is what would happen during commit. In
// other words we want the pending layer to sync from the active layer.
pending_layer_->SetBounds(gfx::Size(1, 1));
pending_layer_->SetNeedsPostCommitInitialization();
pending_layer_->set_twin_layer(NULL);
active_layer_->set_twin_layer(NULL);
EXPECT_TRUE(pending_layer_->needs_post_commit_initialization());
// Update the draw properties: sync from active tree should happen here.
host_impl_.pending_tree()->UpdateDrawProperties();
// Another sanity check.
ASSERT_EQ(1.f, pending_layer_->MinimumContentsScale());
// Now we should've synced 1.5f tiling, since that's the only one that doesn't
// violate minimum contents scale. At the same time, we should've created a
// new high res tiling at scale 1.0f.
EXPECT_EQ(2u, pending_layer_->tilings()->num_tilings());
ASSERT_TRUE(pending_layer_->tilings()->TilingAtScale(1.0f));
EXPECT_EQ(HIGH_RESOLUTION,
pending_layer_->tilings()->TilingAtScale(1.0f)->resolution());
ASSERT_TRUE(pending_layer_->tilings()->TilingAtScale(1.5f));
EXPECT_EQ(NON_IDEAL_RESOLUTION,
pending_layer_->tilings()->TilingAtScale(1.5f)->resolution());
}
TEST_F(PictureLayerImplTest, NoLowResTilingWithGpuRasterization) {
gfx::Size default_tile_size(host_impl_.settings().default_tile_size);
gfx::Size layer_bounds(default_tile_size.width() * 4,
default_tile_size.height() * 4);
SetupDefaultTrees(layer_bounds);
EXPECT_FALSE(host_impl_.use_gpu_rasterization());
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
SetupDrawPropertiesAndUpdateTiles(pending_layer_, 1.f, 1.f, 1.f, 1.f, false);
// Should have a low-res and a high-res tiling.
ASSERT_EQ(2u, pending_layer_->tilings()->num_tilings());
ResetTilingsAndRasterScales();
host_impl_.SetUseGpuRasterization(true);
EXPECT_TRUE(host_impl_.use_gpu_rasterization());
SetupDrawPropertiesAndUpdateTiles(pending_layer_, 1.f, 1.f, 1.f, 1.f, false);
// Should only have the high-res tiling.
ASSERT_EQ(1u, pending_layer_->tilings()->num_tilings());
}
TEST_F(PictureLayerImplTest, NoTilingIfDoesNotDrawContent) {
// Set up layers with tilings.
SetupDefaultTrees(gfx::Size(10, 10));
SetContentsScaleOnBothLayers(1.f, 1.f, 1.f, 1.f, false);
pending_layer_->PushPropertiesTo(active_layer_);
EXPECT_TRUE(pending_layer_->DrawsContent());
EXPECT_TRUE(pending_layer_->CanHaveTilings());
EXPECT_GE(pending_layer_->num_tilings(), 0u);
EXPECT_GE(active_layer_->num_tilings(), 0u);
// Set content to false, which should make CanHaveTilings return false.
pending_layer_->SetDrawsContent(false);
EXPECT_FALSE(pending_layer_->DrawsContent());
EXPECT_FALSE(pending_layer_->CanHaveTilings());
// No tilings should be pushed to active layer.
pending_layer_->PushPropertiesTo(active_layer_);
EXPECT_EQ(0u, active_layer_->num_tilings());
}
TEST_F(PictureLayerImplTest, FirstTilingDuringPinch) {
SetupDefaultTrees(gfx::Size(10, 10));
host_impl_.PinchGestureBegin();
float high_res_scale = 2.3f;
SetContentsScaleOnBothLayers(high_res_scale, 1.f, 1.f, 1.f, false);
ASSERT_GE(pending_layer_->num_tilings(), 0u);
EXPECT_FLOAT_EQ(high_res_scale,
pending_layer_->HighResTiling()->contents_scale());
}
TEST_F(PictureLayerImplTest, FirstTilingTooSmall) {
SetupDefaultTrees(gfx::Size(10, 10));
host_impl_.PinchGestureBegin();
float high_res_scale = 0.0001f;
EXPECT_GT(pending_layer_->MinimumContentsScale(), high_res_scale);
SetContentsScaleOnBothLayers(high_res_scale, 1.f, 1.f, 1.f, false);
ASSERT_GE(pending_layer_->num_tilings(), 0u);
EXPECT_FLOAT_EQ(pending_layer_->MinimumContentsScale(),
pending_layer_->HighResTiling()->contents_scale());
}
TEST_F(PictureLayerImplTest, PinchingTooSmall) {
SetupDefaultTrees(gfx::Size(10, 10));
float contents_scale = 0.15f;
SetContentsScaleOnBothLayers(contents_scale, 1.f, 1.f, 1.f, false);
ASSERT_GE(pending_layer_->num_tilings(), 0u);
EXPECT_FLOAT_EQ(contents_scale,
pending_layer_->HighResTiling()->contents_scale());
host_impl_.PinchGestureBegin();
float page_scale = 0.0001f;
EXPECT_LT(page_scale * contents_scale,
pending_layer_->MinimumContentsScale());
SetContentsScaleOnBothLayers(contents_scale, 1.f, page_scale, 1.f, false);
ASSERT_GE(pending_layer_->num_tilings(), 0u);
EXPECT_FLOAT_EQ(pending_layer_->MinimumContentsScale(),
pending_layer_->HighResTiling()->contents_scale());
}
class DeferredInitPictureLayerImplTest : public PictureLayerImplTest {
public:
virtual void InitializeRenderer() OVERRIDE {
bool delegated_rendering = false;
host_impl_.InitializeRenderer(
FakeOutputSurface::CreateDeferredGL(
scoped_ptr<SoftwareOutputDevice>(new SoftwareOutputDevice),
delegated_rendering).PassAs<OutputSurface>());
}
virtual void SetUp() OVERRIDE {
PictureLayerImplTest::SetUp();
// Create some default active and pending trees.
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(400, 400);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
}
};
// This test is really a LayerTreeHostImpl test, in that it makes sure
// that trees need update draw properties after deferred initialization.
// However, this is also a regression test for PictureLayerImpl in that
// not having this update will cause a crash.
TEST_F(DeferredInitPictureLayerImplTest, PreventUpdateTilesDuringLostContext) {
host_impl_.pending_tree()->UpdateDrawProperties();
host_impl_.active_tree()->UpdateDrawProperties();
EXPECT_FALSE(host_impl_.pending_tree()->needs_update_draw_properties());
EXPECT_FALSE(host_impl_.active_tree()->needs_update_draw_properties());
FakeOutputSurface* fake_output_surface =
static_cast<FakeOutputSurface*>(host_impl_.output_surface());
ASSERT_TRUE(fake_output_surface->InitializeAndSetContext3d(
TestContextProvider::Create()));
// These will crash PictureLayerImpl if this is not true.
ASSERT_TRUE(host_impl_.pending_tree()->needs_update_draw_properties());
ASSERT_TRUE(host_impl_.active_tree()->needs_update_draw_properties());
host_impl_.active_tree()->UpdateDrawProperties();
}
TEST_F(PictureLayerImplTest, HighResTilingDuringAnimationForCpuRasterization) {
gfx::Size layer_bounds(100, 100);
gfx::Size viewport_size(1000, 1000);
SetupDefaultTrees(layer_bounds);
host_impl_.SetViewportSize(viewport_size);
float contents_scale = 1.f;
float device_scale = 1.3f;
float page_scale = 1.4f;
float maximum_animation_scale = 1.f;
bool animating_transform = false;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 1.f);
// Since we're CPU-rasterizing, starting an animation should cause tiling
// resolution to get set to the maximum animation scale factor.
animating_transform = true;
maximum_animation_scale = 3.f;
contents_scale = 2.f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 3.f);
// Further changes to scale during the animation should not cause a new
// high-res tiling to get created.
contents_scale = 4.f;
maximum_animation_scale = 5.f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 3.f);
// Once we stop animating, a new high-res tiling should be created.
animating_transform = false;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 4.f);
// When animating with an unknown maximum animation scale factor, a new
// high-res tiling should be created at the animation's initial scale.
animating_transform = true;
contents_scale = 2.f;
maximum_animation_scale = 0.f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 2.f);
// Further changes to scale during the animation should not cause a new
// high-res tiling to get created.
contents_scale = 3.f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 2.f);
// Once we stop animating, a new high-res tiling should be created.
animating_transform = false;
contents_scale = 4.f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 4.f);
// When animating with a maxmium animation scale factor that is so large
// that the layer grows larger than the viewport at this scale, a new
// high-res tiling should get created at the animation's initial scale, not
// at its maximum scale.
animating_transform = true;
contents_scale = 2.f;
maximum_animation_scale = 11.f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 2.f);
// Once we stop animating, a new high-res tiling should be created.
animating_transform = false;
contents_scale = 11.f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 11.f);
// When animating with a maxmium animation scale factor that is so large
// that the layer grows larger than the viewport at this scale, and where
// the intial source scale is < 1, a new high-res tiling should get created
// at source scale 1.
animating_transform = true;
contents_scale = 0.1f;
maximum_animation_scale = 11.f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), device_scale * page_scale);
// Once we stop animating, a new high-res tiling should be created.
animating_transform = false;
contents_scale = 11.f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 11.f);
}
TEST_F(PictureLayerImplTest, LayerRasterTileIterator) {
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(1000, 1000);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupPendingTree(pending_pile);
ASSERT_TRUE(pending_layer_->CanHaveTilings());
float low_res_factor = host_impl_.settings().low_res_contents_scale_factor;
// Empty iterator
PictureLayerImpl::LayerRasterTileIterator it;
EXPECT_FALSE(it);
// No tilings.
it = PictureLayerImpl::LayerRasterTileIterator(pending_layer_, false);
EXPECT_FALSE(it);
pending_layer_->AddTiling(low_res_factor);
pending_layer_->AddTiling(0.3f);
pending_layer_->AddTiling(0.7f);
PictureLayerTiling* high_res_tiling = pending_layer_->AddTiling(1.0f);
pending_layer_->AddTiling(2.0f);
host_impl_.SetViewportSize(gfx::Size(500, 500));
host_impl_.pending_tree()->UpdateDrawProperties();
std::set<Tile*> unique_tiles;
bool reached_prepaint = false;
size_t non_ideal_tile_count = 0u;
size_t low_res_tile_count = 0u;
size_t high_res_tile_count = 0u;
for (it = PictureLayerImpl::LayerRasterTileIterator(pending_layer_, false);
it;
++it) {
Tile* tile = *it;
TilePriority priority = tile->priority(PENDING_TREE);
EXPECT_TRUE(tile);
// Non-high res tiles only get visible tiles. Also, prepaint should only
// come at the end of the iteration.
if (priority.resolution != HIGH_RESOLUTION)
EXPECT_EQ(TilePriority::NOW, priority.priority_bin);
else if (reached_prepaint)
EXPECT_NE(TilePriority::NOW, priority.priority_bin);
else
reached_prepaint = priority.priority_bin != TilePriority::NOW;
non_ideal_tile_count += priority.resolution == NON_IDEAL_RESOLUTION;
low_res_tile_count += priority.resolution == LOW_RESOLUTION;
high_res_tile_count += priority.resolution == HIGH_RESOLUTION;
unique_tiles.insert(tile);
}
EXPECT_TRUE(reached_prepaint);
EXPECT_EQ(0u, non_ideal_tile_count);
EXPECT_EQ(1u, low_res_tile_count);
EXPECT_EQ(16u, high_res_tile_count);
EXPECT_EQ(low_res_tile_count + high_res_tile_count + non_ideal_tile_count,
unique_tiles.size());
std::vector<Tile*> high_res_tiles = high_res_tiling->AllTilesForTesting();
for (std::vector<Tile*>::iterator tile_it = high_res_tiles.begin();
tile_it != high_res_tiles.end();
++tile_it) {
Tile* tile = *tile_it;
ManagedTileState::TileVersion& tile_version =
tile->GetTileVersionForTesting(
tile->DetermineRasterModeForTree(ACTIVE_TREE));
tile_version.SetSolidColorForTesting(SK_ColorRED);
}
non_ideal_tile_count = 0;
low_res_tile_count = 0;
high_res_tile_count = 0;
for (it = PictureLayerImpl::LayerRasterTileIterator(pending_layer_, false);
it;
++it) {
Tile* tile = *it;
TilePriority priority = tile->priority(PENDING_TREE);
EXPECT_TRUE(tile);
non_ideal_tile_count += priority.resolution == NON_IDEAL_RESOLUTION;
low_res_tile_count += priority.resolution == LOW_RESOLUTION;
high_res_tile_count += priority.resolution == HIGH_RESOLUTION;
}
EXPECT_EQ(0u, non_ideal_tile_count);
EXPECT_EQ(1u, low_res_tile_count);
EXPECT_EQ(0u, high_res_tile_count);
}
TEST_F(PictureLayerImplTest, LayerEvictionTileIterator) {
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(1000, 1000);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupPendingTree(pending_pile);
ASSERT_TRUE(pending_layer_->CanHaveTilings());
float low_res_factor = host_impl_.settings().low_res_contents_scale_factor;
std::vector<PictureLayerTiling*> tilings;
tilings.push_back(pending_layer_->AddTiling(low_res_factor));
tilings.push_back(pending_layer_->AddTiling(0.3f));
tilings.push_back(pending_layer_->AddTiling(0.7f));
tilings.push_back(pending_layer_->AddTiling(1.0f));
tilings.push_back(pending_layer_->AddTiling(2.0f));
host_impl_.SetViewportSize(gfx::Size(500, 500));
host_impl_.pending_tree()->UpdateDrawProperties();
std::vector<Tile*> all_tiles;
for (std::vector<PictureLayerTiling*>::iterator tiling_iterator =
tilings.begin();
tiling_iterator != tilings.end();
++tiling_iterator) {
std::vector<Tile*> tiles = (*tiling_iterator)->AllTilesForTesting();
std::copy(tiles.begin(), tiles.end(), std::back_inserter(all_tiles));
}
std::set<Tile*> all_tiles_set(all_tiles.begin(), all_tiles.end());
bool mark_required = false;
for (std::vector<Tile*>::iterator it = all_tiles.begin();
it != all_tiles.end();
++it) {
Tile* tile = *it;
if (mark_required)
tile->MarkRequiredForActivation();
mark_required = !mark_required;
}
// Sanity checks.
EXPECT_EQ(91u, all_tiles.size());
EXPECT_EQ(91u, all_tiles_set.size());
// Empty iterator.
PictureLayerImpl::LayerEvictionTileIterator it;
EXPECT_FALSE(it);
// Tiles don't have resources yet.
it = PictureLayerImpl::LayerEvictionTileIterator(
pending_layer_, SAME_PRIORITY_FOR_BOTH_TREES);
EXPECT_FALSE(it);
host_impl_.tile_manager()->InitializeTilesWithResourcesForTesting(all_tiles);
std::set<Tile*> unique_tiles;
float expected_scales[] = {2.0f, 0.3f, 0.7f, low_res_factor, 1.0f};
size_t scale_index = 0;
bool reached_visible = false;
bool reached_required = false;
Tile* last_tile = NULL;
for (it = PictureLayerImpl::LayerEvictionTileIterator(
pending_layer_, SAME_PRIORITY_FOR_BOTH_TREES);
it;
++it) {
Tile* tile = *it;
if (!last_tile)
last_tile = tile;
EXPECT_TRUE(tile);
TilePriority priority = tile->priority(PENDING_TREE);
if (priority.priority_bin == TilePriority::NOW) {
reached_visible = true;
last_tile = tile;
break;
}
if (reached_required) {
EXPECT_TRUE(tile->required_for_activation());
} else if (tile->required_for_activation()) {
reached_required = true;
scale_index = 0;
}
while (std::abs(tile->contents_scale() - expected_scales[scale_index]) >
std::numeric_limits<float>::epsilon()) {
++scale_index;
ASSERT_LT(scale_index, arraysize(expected_scales));
}
EXPECT_FLOAT_EQ(tile->contents_scale(), expected_scales[scale_index]);
unique_tiles.insert(tile);
// If the tile is the same rough bin as last tile (same activation, bin, and
// scale), then distance should be decreasing.
if (tile->required_for_activation() ==
last_tile->required_for_activation() &&
priority.priority_bin ==
last_tile->priority(PENDING_TREE).priority_bin &&
std::abs(tile->contents_scale() - last_tile->contents_scale()) <
std::numeric_limits<float>::epsilon()) {
EXPECT_LE(priority.distance_to_visible,
last_tile->priority(PENDING_TREE).distance_to_visible);
}
last_tile = tile;
}
EXPECT_TRUE(reached_visible);
EXPECT_TRUE(reached_required);
EXPECT_EQ(65u, unique_tiles.size());
scale_index = 0;
reached_required = false;
for (; it; ++it) {
Tile* tile = *it;
EXPECT_TRUE(tile);
TilePriority priority = tile->priority(PENDING_TREE);
EXPECT_EQ(TilePriority::NOW, priority.priority_bin);
if (reached_required) {
EXPECT_TRUE(tile->required_for_activation());
} else if (tile->required_for_activation()) {
reached_required = true;
scale_index = 0;
}
while (std::abs(tile->contents_scale() - expected_scales[scale_index]) >
std::numeric_limits<float>::epsilon()) {
++scale_index;
ASSERT_LT(scale_index, arraysize(expected_scales));
}
EXPECT_FLOAT_EQ(tile->contents_scale(), expected_scales[scale_index]);
unique_tiles.insert(tile);
}
EXPECT_TRUE(reached_required);
EXPECT_EQ(all_tiles_set.size(), unique_tiles.size());
}
TEST_F(PictureLayerImplTest, Occlusion) {
gfx::Size tile_size(102, 102);
gfx::Size layer_bounds(1000, 1000);
gfx::Size viewport_size(1000, 1000);
LayerTestCommon::LayerImplTest impl;
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(layer_bounds, layer_bounds);
SetupPendingTree(pending_pile);
pending_layer_->SetBounds(layer_bounds);
ActivateTree();
active_layer_->set_fixed_tile_size(tile_size);
host_impl_.SetViewportSize(viewport_size);
host_impl_.active_tree()->UpdateDrawProperties();
std::vector<Tile*> tiles =
active_layer_->HighResTiling()->AllTilesForTesting();
host_impl_.tile_manager()->InitializeTilesWithResourcesForTesting(tiles);
{
SCOPED_TRACE("No occlusion");
gfx::Rect occluded;
impl.AppendQuadsWithOcclusion(active_layer_, occluded);
LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(),
gfx::Rect(layer_bounds));
EXPECT_EQ(100u, impl.quad_list().size());
}
{
SCOPED_TRACE("Full occlusion");
gfx::Rect occluded(active_layer_->visible_content_rect());
impl.AppendQuadsWithOcclusion(active_layer_, occluded);
LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
EXPECT_EQ(impl.quad_list().size(), 0u);
}
{
SCOPED_TRACE("Partial occlusion");
gfx::Rect occluded(150, 0, 200, 1000);
impl.AppendQuadsWithOcclusion(active_layer_, occluded);
size_t partially_occluded_count = 0;
LayerTestCommon::VerifyQuadsCoverRectWithOcclusion(
impl.quad_list(),
gfx::Rect(layer_bounds),
occluded,
&partially_occluded_count);
// The layer outputs one quad, which is partially occluded.
EXPECT_EQ(100u - 10u, impl.quad_list().size());
EXPECT_EQ(10u + 10u, partially_occluded_count);
}
}
TEST_F(PictureLayerImplTest, RasterScaleChangeWithoutAnimation) {
gfx::Size tile_size(host_impl_.settings().default_tile_size);
SetupDefaultTrees(tile_size);
float contents_scale = 2.f;
float device_scale = 1.f;
float page_scale = 1.f;
float maximum_animation_scale = 1.f;
bool animating_transform = false;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 2.f);
// Changing the source scale without being in an animation will cause
// the layer to reset its source scale to 1.f.
contents_scale = 3.f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 1.f);
// Further changes to the source scale will no longer be reflected in the
// contents scale.
contents_scale = 0.5f;
SetContentsScaleOnBothLayers(contents_scale,
device_scale,
page_scale,
maximum_animation_scale,
animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), 1.f);
}
TEST_F(PictureLayerImplTest, LowResReadyToDrawNotEnoughToActivate) {
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(1000, 1000);
SetupDefaultTreesWithFixedTileSize(layer_bounds, tile_size);
// Make sure some tiles are not shared.
pending_layer_->set_invalidation(gfx::Rect(gfx::Point(50, 50), tile_size));
CreateHighLowResAndSetAllTilesVisible();
active_layer_->SetAllTilesReady();
pending_layer_->MarkVisibleResourcesAsRequired();
// All pending layer tiles required are not ready.
EXPECT_FALSE(pending_layer_->AllTilesRequiredForActivationAreReadyToDraw());
// Initialize all low-res tiles.
pending_layer_->SetAllTilesReadyInTiling(pending_layer_->LowResTiling());
// Low-res tiles should not be enough.
EXPECT_FALSE(pending_layer_->AllTilesRequiredForActivationAreReadyToDraw());
// Initialize remaining tiles.
pending_layer_->SetAllTilesReady();
EXPECT_TRUE(pending_layer_->AllTilesRequiredForActivationAreReadyToDraw());
}
TEST_F(PictureLayerImplTest, HighResReadyToDrawNotEnoughToActivate) {
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(1000, 1000);
SetupDefaultTreesWithFixedTileSize(layer_bounds, tile_size);
// Make sure some tiles are not shared.
pending_layer_->set_invalidation(gfx::Rect(gfx::Point(50, 50), tile_size));
CreateHighLowResAndSetAllTilesVisible();
active_layer_->SetAllTilesReady();
pending_layer_->MarkVisibleResourcesAsRequired();
// All pending layer tiles required are not ready.
EXPECT_FALSE(pending_layer_->AllTilesRequiredForActivationAreReadyToDraw());
// Initialize all high-res tiles.
pending_layer_->SetAllTilesReadyInTiling(pending_layer_->HighResTiling());
// High-res tiles should not be enough.
EXPECT_FALSE(pending_layer_->AllTilesRequiredForActivationAreReadyToDraw());
// Initialize remaining tiles.
pending_layer_->SetAllTilesReady();
EXPECT_TRUE(pending_layer_->AllTilesRequiredForActivationAreReadyToDraw());
}
class NoLowResTilingsSettings : public ImplSidePaintingSettings {
public:
NoLowResTilingsSettings() { create_low_res_tiling = false; }
};
class NoLowResPictureLayerImplTest : public PictureLayerImplTest {
public:
NoLowResPictureLayerImplTest()
: PictureLayerImplTest(NoLowResTilingsSettings()) {}
};
TEST_F(NoLowResPictureLayerImplTest, ManageTilingsCreatesTilings) {
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1300, 1900);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
float low_res_factor = host_impl_.settings().low_res_contents_scale_factor;
EXPECT_LT(low_res_factor, 1.f);
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
6.f, // ideal contents scale
3.f, // device scale
2.f, // page scale
1.f, // maximum animation scale
false);
ASSERT_EQ(1u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(6.f,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
// If we change the page scale factor, then we should get new tilings.
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
6.6f, // ideal contents scale
3.f, // device scale
2.2f, // page scale
1.f, // maximum animation scale
false);
ASSERT_EQ(2u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(6.6f,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
// If we change the device scale factor, then we should get new tilings.
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
7.26f, // ideal contents scale
3.3f, // device scale
2.2f, // page scale
1.f, // maximum animation scale
false);
ASSERT_EQ(3u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(7.26f,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
// If we change the device scale factor, but end up at the same total scale
// factor somehow, then we don't get new tilings.
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
7.26f, // ideal contents scale
2.2f, // device scale
3.3f, // page scale
1.f, // maximum animation scale
false);
ASSERT_EQ(3u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(7.26f,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
}
TEST_F(NoLowResPictureLayerImplTest, MarkRequiredNullTiles) {
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(1000, 1000);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateEmptyPile(tile_size, layer_bounds);
// Layers with entirely empty piles can't get tilings.
pending_pile->AddRecordingAt(0, 0);
SetupPendingTree(pending_pile);
ASSERT_TRUE(pending_layer_->CanHaveTilings());
pending_layer_->AddTiling(1.0f);
pending_layer_->AddTiling(2.0f);
// It should be safe to call this (and MarkVisibleResourcesAsRequired)
// on a layer with no recordings.
host_impl_.pending_tree()->UpdateDrawProperties();
pending_layer_->MarkVisibleResourcesAsRequired();
}
TEST_F(NoLowResPictureLayerImplTest, NothingRequiredIfAllHighResTilesShared) {
gfx::Size layer_bounds(400, 400);
gfx::Size tile_size(100, 100);
SetupDefaultTreesWithFixedTileSize(layer_bounds, tile_size);
CreateHighLowResAndSetAllTilesVisible();
Tile* some_active_tile =
active_layer_->HighResTiling()->AllTilesForTesting()[0];
EXPECT_FALSE(some_active_tile->IsReadyToDraw());
// All tiles shared (no invalidation), so even though the active tree's
// tiles aren't ready, there is nothing required.
pending_layer_->MarkVisibleResourcesAsRequired();
AssertNoTilesRequired(pending_layer_->HighResTiling());
if (host_impl_.settings().create_low_res_tiling) {
AssertNoTilesRequired(pending_layer_->LowResTiling());
}
}
TEST_F(NoLowResPictureLayerImplTest, NothingRequiredIfActiveMissingTiles) {
gfx::Size layer_bounds(400, 400);
gfx::Size tile_size(100, 100);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
// This pile will create tilings, but has no recordings so will not create any
// tiles. This is attempting to simulate scrolling past the end of recorded
// content on the active layer, where the recordings are so far away that
// no tiles are created.
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateEmptyPileThatThinksItHasRecordings(
tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
pending_layer_->set_fixed_tile_size(tile_size);
active_layer_->set_fixed_tile_size(tile_size);
CreateHighLowResAndSetAllTilesVisible();
// Active layer has tilings, but no tiles due to missing recordings.
EXPECT_TRUE(active_layer_->CanHaveTilings());
EXPECT_EQ(active_layer_->tilings()->num_tilings(),
host_impl_.settings().create_low_res_tiling ? 2u : 1u);
EXPECT_EQ(active_layer_->HighResTiling()->AllTilesForTesting().size(), 0u);
// Since the active layer has no tiles at all, the pending layer doesn't
// need content in order to activate.
pending_layer_->MarkVisibleResourcesAsRequired();
AssertNoTilesRequired(pending_layer_->HighResTiling());
if (host_impl_.settings().create_low_res_tiling)
AssertNoTilesRequired(pending_layer_->LowResTiling());
}
TEST_F(NoLowResPictureLayerImplTest, InvalidViewportForPrioritizingTiles) {
base::TimeTicks time_ticks;
host_impl_.SetCurrentFrameTimeTicks(time_ticks);
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(400, 400);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
Region invalidation;
AddDefaultTilingsWithInvalidation(invalidation);
SetupDrawPropertiesAndUpdateTiles(active_layer_, 1.f, 1.f, 1.f, 1.f, false);
// UpdateTiles with valid viewport. Should update tile viewport.
// Note viewport is considered invalid if and only if in resourceless
// software draw.
bool resourceless_software_draw = false;
gfx::Rect viewport = gfx::Rect(layer_bounds);
gfx::Transform transform;
host_impl_.SetExternalDrawConstraints(transform,
viewport,
viewport,
viewport,
transform,
resourceless_software_draw);
active_layer_->draw_properties().visible_content_rect = viewport;
active_layer_->draw_properties().screen_space_transform = transform;
active_layer_->UpdateTiles();
gfx::Rect visible_rect_for_tile_priority =
active_layer_->visible_rect_for_tile_priority();
EXPECT_FALSE(visible_rect_for_tile_priority.IsEmpty());
gfx::Rect viewport_rect_for_tile_priority =
active_layer_->viewport_rect_for_tile_priority();
EXPECT_FALSE(viewport_rect_for_tile_priority.IsEmpty());
gfx::Transform screen_space_transform_for_tile_priority =
active_layer_->screen_space_transform_for_tile_priority();
// Expand viewport and set it as invalid for prioritizing tiles.
// Should not update tile viewport.
time_ticks += base::TimeDelta::FromMilliseconds(200);
host_impl_.SetCurrentFrameTimeTicks(time_ticks);
resourceless_software_draw = true;
viewport = gfx::ScaleToEnclosingRect(viewport, 2);
transform.Translate(1.f, 1.f);
active_layer_->draw_properties().visible_content_rect = viewport;
active_layer_->draw_properties().screen_space_transform = transform;
host_impl_.SetExternalDrawConstraints(transform,
viewport,
viewport,
viewport,
transform,
resourceless_software_draw);
active_layer_->UpdateTiles();
EXPECT_RECT_EQ(visible_rect_for_tile_priority,
active_layer_->visible_rect_for_tile_priority());
EXPECT_RECT_EQ(viewport_rect_for_tile_priority,
active_layer_->viewport_rect_for_tile_priority());
EXPECT_TRANSFORMATION_MATRIX_EQ(
screen_space_transform_for_tile_priority,
active_layer_->screen_space_transform_for_tile_priority());
// Keep expanded viewport but mark it valid. Should update tile viewport.
time_ticks += base::TimeDelta::FromMilliseconds(200);
host_impl_.SetCurrentFrameTimeTicks(time_ticks);
resourceless_software_draw = false;
host_impl_.SetExternalDrawConstraints(transform,
viewport,
viewport,
viewport,
transform,
resourceless_software_draw);
active_layer_->UpdateTiles();
EXPECT_FALSE(visible_rect_for_tile_priority ==
active_layer_->visible_rect_for_tile_priority());
EXPECT_FALSE(viewport_rect_for_tile_priority ==
active_layer_->viewport_rect_for_tile_priority());
EXPECT_FALSE(screen_space_transform_for_tile_priority ==
active_layer_->screen_space_transform_for_tile_priority());
}
TEST_F(NoLowResPictureLayerImplTest, InvalidViewportAfterReleaseResources) {
base::TimeTicks time_ticks;
host_impl_.SetCurrentFrameTimeTicks(time_ticks);
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(400, 400);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
Region invalidation;
AddDefaultTilingsWithInvalidation(invalidation);
bool resourceless_software_draw = true;
gfx::Rect viewport = gfx::Rect(layer_bounds);
gfx::Transform identity = gfx::Transform();
host_impl_.SetExternalDrawConstraints(identity,
viewport,
viewport,
viewport,
identity,
resourceless_software_draw);
ResetTilingsAndRasterScales();
host_impl_.pending_tree()->UpdateDrawProperties();
host_impl_.active_tree()->UpdateDrawProperties();
EXPECT_TRUE(active_layer_->HighResTiling());
size_t num_tilings = active_layer_->num_tilings();
active_layer_->UpdateTiles();
pending_layer_->AddTiling(0.5f);
EXPECT_EQ(num_tilings + 1, active_layer_->num_tilings());
}
TEST_F(NoLowResPictureLayerImplTest, CleanUpTilings) {
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1300, 1900);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
std::vector<PictureLayerTiling*> used_tilings;
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
float low_res_factor = host_impl_.settings().low_res_contents_scale_factor;
EXPECT_LT(low_res_factor, 1.f);
float device_scale = 1.7f;
float page_scale = 3.2f;
float scale = 1.f;
SetContentsScaleOnBothLayers(scale, device_scale, page_scale, 1.f, false);
ASSERT_EQ(1u, active_layer_->tilings()->num_tilings());
// We only have ideal tilings, so they aren't removed.
used_tilings.clear();
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(1u, active_layer_->tilings()->num_tilings());
host_impl_.PinchGestureBegin();
// Changing the ideal but not creating new tilings.
scale *= 1.5f;
page_scale *= 1.5f;
SetContentsScaleOnBothLayers(scale, device_scale, page_scale, 1.f, false);
ASSERT_EQ(1u, active_layer_->tilings()->num_tilings());
// The tilings are still our target scale, so they aren't removed.
used_tilings.clear();
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(1u, active_layer_->tilings()->num_tilings());
host_impl_.PinchGestureEnd();
// Create a 1.2 scale tiling. Now we have 1.0 and 1.2 tilings. Ideal = 1.2.
scale /= 4.f;
page_scale /= 4.f;
SetContentsScaleOnBothLayers(1.2f, device_scale, page_scale, 1.f, false);
ASSERT_EQ(2u, active_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(1.f,
active_layer_->tilings()->tiling_at(1)->contents_scale());
// Mark the non-ideal tilings as used. They won't be removed.
used_tilings.clear();
used_tilings.push_back(active_layer_->tilings()->tiling_at(1));
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(2u, active_layer_->tilings()->num_tilings());
// Now move the ideal scale to 0.5. Our target stays 1.2.
SetContentsScaleOnBothLayers(0.5f, device_scale, page_scale, 1.f, false);
// The high resolution tiling is between target and ideal, so is not
// removed. The low res tiling for the old ideal=1.0 scale is removed.
used_tilings.clear();
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(2u, active_layer_->tilings()->num_tilings());
// Now move the ideal scale to 1.0. Our target stays 1.2.
SetContentsScaleOnBothLayers(1.f, device_scale, page_scale, 1.f, false);
// All the tilings are between are target and the ideal, so they are not
// removed.
used_tilings.clear();
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(2u, active_layer_->tilings()->num_tilings());
// Now move the ideal scale to 1.1 on the active layer. Our target stays 1.2.
SetupDrawPropertiesAndUpdateTiles(
active_layer_, 1.1f, device_scale, page_scale, 1.f, false);
// Because the pending layer's ideal scale is still 1.0, our tilings fall
// in the range [1.0,1.2] and are kept.
used_tilings.clear();
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(2u, active_layer_->tilings()->num_tilings());
// Move the ideal scale on the pending layer to 1.1 as well. Our target stays
// 1.2 still.
SetupDrawPropertiesAndUpdateTiles(
pending_layer_, 1.1f, device_scale, page_scale, 1.f, false);
// Our 1.0 tiling now falls outside the range between our ideal scale and our
// target raster scale. But it is in our used tilings set, so nothing is
// deleted.
used_tilings.clear();
used_tilings.push_back(active_layer_->tilings()->tiling_at(1));
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(2u, active_layer_->tilings()->num_tilings());
// If we remove it from our used tilings set, it is outside the range to keep
// so it is deleted.
used_tilings.clear();
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(1u, active_layer_->tilings()->num_tilings());
}
TEST_F(PictureLayerImplTest, ScaleCollision) {
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1300, 1900);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
std::vector<PictureLayerTiling*> used_tilings;
SetupTrees(pending_pile, active_pile);
float pending_contents_scale = 1.f;
float active_contents_scale = 2.f;
float device_scale_factor = 1.f;
float page_scale_factor = 1.f;
float maximum_animation_contents_scale = 1.f;
bool animating_transform = false;
EXPECT_TRUE(host_impl_.settings().create_low_res_tiling);
float low_res_factor = host_impl_.settings().low_res_contents_scale_factor;
EXPECT_LT(low_res_factor, 1.f);
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
pending_contents_scale,
device_scale_factor,
page_scale_factor,
maximum_animation_contents_scale,
animating_transform);
SetupDrawPropertiesAndUpdateTiles(active_layer_,
active_contents_scale,
device_scale_factor,
page_scale_factor,
maximum_animation_contents_scale,
animating_transform);
ASSERT_EQ(4u, pending_layer_->tilings()->num_tilings());
ASSERT_EQ(4u, active_layer_->tilings()->num_tilings());
EXPECT_EQ(active_contents_scale,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_EQ(pending_contents_scale,
pending_layer_->tilings()->tiling_at(1)->contents_scale());
EXPECT_EQ(active_contents_scale * low_res_factor,
pending_layer_->tilings()->tiling_at(2)->contents_scale());
EXPECT_EQ(pending_contents_scale * low_res_factor,
pending_layer_->tilings()->tiling_at(3)->contents_scale());
EXPECT_EQ(active_contents_scale,
active_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_EQ(pending_contents_scale,
active_layer_->tilings()->tiling_at(1)->contents_scale());
EXPECT_EQ(active_contents_scale * low_res_factor,
active_layer_->tilings()->tiling_at(2)->contents_scale());
EXPECT_EQ(pending_contents_scale * low_res_factor,
active_layer_->tilings()->tiling_at(3)->contents_scale());
// The unused low res tiling from the pending tree must be kept or we may add
// it again on the active tree and collide with the pending tree.
used_tilings.push_back(active_layer_->tilings()->tiling_at(1));
active_layer_->CleanUpTilingsOnActiveLayer(used_tilings);
ASSERT_EQ(4u, active_layer_->tilings()->num_tilings());
EXPECT_EQ(active_contents_scale,
active_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_EQ(pending_contents_scale,
active_layer_->tilings()->tiling_at(1)->contents_scale());
EXPECT_EQ(active_contents_scale * low_res_factor,
active_layer_->tilings()->tiling_at(2)->contents_scale());
EXPECT_EQ(pending_contents_scale * low_res_factor,
active_layer_->tilings()->tiling_at(3)->contents_scale());
}
TEST_F(NoLowResPictureLayerImplTest, ReleaseResources) {
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1300, 1900);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
1.3f, // ideal contents scale
2.7f, // device scale
3.2f, // page scale
1.f, // maximum animation scale
false);
EXPECT_EQ(1u, pending_layer_->tilings()->num_tilings());
// All tilings should be removed when losing output surface.
active_layer_->ReleaseResources();
EXPECT_EQ(0u, active_layer_->tilings()->num_tilings());
pending_layer_->ReleaseResources();
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
// This should create new tilings.
SetupDrawPropertiesAndUpdateTiles(pending_layer_,
1.3f, // ideal contents scale
2.7f, // device scale
3.2f, // page scale
1.f, // maximum animation scale
false);
EXPECT_EQ(1u, pending_layer_->tilings()->num_tilings());
}
TEST_F(PictureLayerImplTest, SharedQuadStateContainsMaxTilingScale) {
MockOcclusionTracker<LayerImpl> occlusion_tracker;
scoped_ptr<RenderPass> render_pass = RenderPass::Create();
MockQuadCuller quad_culler(render_pass.get(), &occlusion_tracker);
gfx::Size tile_size(400, 400);
gfx::Size layer_bounds(1000, 2000);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
scoped_refptr<FakePicturePileImpl> active_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SetupTrees(pending_pile, active_pile);
SetupDrawPropertiesAndUpdateTiles(pending_layer_, 2.5f, 1.f, 1.f, 1.f, false);
host_impl_.pending_tree()->UpdateDrawProperties();
active_layer_->draw_properties().visible_content_rect =
gfx::Rect(layer_bounds);
host_impl_.active_tree()->UpdateDrawProperties();
float max_contents_scale = active_layer_->MaximumTilingContentsScale();
gfx::Transform scaled_draw_transform = active_layer_->draw_transform();
scaled_draw_transform.Scale(SK_MScalar1 / max_contents_scale,
SK_MScalar1 / max_contents_scale);
AppendQuadsData data;
active_layer_->AppendQuads(&quad_culler, &data);
// SharedQuadState should have be of size 1, as we are doing AppenQuad once.
EXPECT_EQ(1u, quad_culler.shared_quad_state_list().size());
// The content_to_target_transform should be scaled by the
// MaximumTilingContentsScale on the layer.
EXPECT_EQ(scaled_draw_transform.ToString(),
quad_culler.shared_quad_state_list()[0]
->content_to_target_transform.ToString());
// The content_bounds should be scaled by the
// MaximumTilingContentsScale on the layer.
EXPECT_EQ(gfx::Size(2500u, 5000u).ToString(),
quad_culler.shared_quad_state_list()[0]->content_bounds.ToString());
// The visible_content_rect should be scaled by the
// MaximumTilingContentsScale on the layer.
EXPECT_EQ(
gfx::Rect(0u, 0u, 2500u, 5000u).ToString(),
quad_culler.shared_quad_state_list()[0]->visible_content_rect.ToString());
}
TEST_F(PictureLayerImplTest, UpdateTilesForMasksWithNoVisibleContent) {
gfx::Size tile_size(400, 400);
gfx::Size bounds(100000, 100);
host_impl_.CreatePendingTree();
scoped_ptr<LayerImpl> root = LayerImpl::Create(host_impl_.pending_tree(), 1);
scoped_ptr<FakePictureLayerImpl> layer_with_mask =
FakePictureLayerImpl::Create(host_impl_.pending_tree(), 2);
layer_with_mask->SetBounds(bounds);
layer_with_mask->SetContentBounds(bounds);
scoped_refptr<FakePicturePileImpl> pending_pile =
FakePicturePileImpl::CreateFilledPile(tile_size, bounds);
scoped_ptr<FakePictureLayerImpl> mask = FakePictureLayerImpl::CreateWithPile(
host_impl_.pending_tree(), 3, pending_pile);
mask->SetIsMask(true);
mask->SetBounds(bounds);
mask->SetContentBounds(bounds);
mask->SetDrawsContent(true);
FakePictureLayerImpl* pending_mask_content = mask.get();
layer_with_mask->SetMaskLayer(mask.PassAs<LayerImpl>());
scoped_ptr<FakePictureLayerImpl> child_of_layer_with_mask =
FakePictureLayerImpl::Create(host_impl_.pending_tree(), 4);
child_of_layer_with_mask->SetBounds(bounds);
child_of_layer_with_mask->SetContentBounds(bounds);
child_of_layer_with_mask->SetDrawsContent(true);
layer_with_mask->AddChild(child_of_layer_with_mask.PassAs<LayerImpl>());
root->AddChild(layer_with_mask.PassAs<LayerImpl>());
host_impl_.pending_tree()->SetRootLayer(root.Pass());
EXPECT_FALSE(pending_mask_content->tilings());
host_impl_.pending_tree()->UpdateDrawProperties();
EXPECT_NE(0u, pending_mask_content->num_tilings());
}
} // namespace
} // namespace cc