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picture_layer_impl_unittest.cc
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picture_layer_impl_unittest.cc
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// 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/quads/draw_quad.h"
#include "cc/quads/tile_draw_quad.h"
#include "cc/test/begin_frame_args_test.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/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/geometry/rect_conversions.h"
#include "ui/gfx/geometry/size_conversions.h"
namespace cc {
namespace {
class MockCanvas : public SkCanvas {
public:
explicit MockCanvas(int w, int h) : SkCanvas(w, h) {}
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 NoLowResTilingsSettings : public ImplSidePaintingSettings {};
class LowResTilingsSettings : public ImplSidePaintingSettings {
public:
LowResTilingsSettings() { create_low_res_tiling = true; }
};
class PictureLayerImplTest : public testing::Test {
public:
PictureLayerImplTest()
: proxy_(base::MessageLoopProxy::current()),
host_impl_(LowResTilingsSettings(), &proxy_, &shared_bitmap_manager_),
id_(7),
pending_layer_(nullptr),
old_pending_layer_(nullptr),
active_layer_(nullptr) {}
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());
}
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_.ActivateSyncTree();
CHECK(!host_impl_.pending_tree());
CHECK(host_impl_.recycle_tree());
old_pending_layer_ = pending_layer_;
pending_layer_ = nullptr;
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);
}
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();
host_impl_.pending_tree()->SetPageScaleFactorAndLimits(1.f, 0.25f, 100.f);
LayerTreeImpl* pending_tree = host_impl_.pending_tree();
// Steal from the recycled tree.
scoped_ptr<LayerImpl> old_pending_root = pending_tree->DetachLayerTree();
DCHECK_IMPLIES(old_pending_root, old_pending_root->id() == id_);
scoped_ptr<FakePictureLayerImpl> pending_layer;
if (old_pending_root) {
pending_layer.reset(
static_cast<FakePictureLayerImpl*>(old_pending_root.release()));
pending_layer->SetPile(pile);
} else {
pending_layer =
FakePictureLayerImpl::CreateWithPile(pending_tree, id_, pile);
pending_layer->SetDrawsContent(true);
}
// The bounds() just mirror the pile size.
pending_layer->SetBounds(pending_layer->pile()->tiling_size());
pending_tree->SetRootLayer(pending_layer.Pass());
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;
bool resourceless_software_draw = false;
layer->UpdateTiles(Occlusion(), resourceless_software_draw);
}
static void VerifyAllTilesExistAndHavePile(
const PictureLayerTiling* tiling,
PicturePileImpl* pile) {
for (PictureLayerTiling::CoverageIterator iter(
tiling,
tiling->contents_scale(),
gfx::Rect(tiling->tiling_size()));
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, nullptr);
// 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_EQ(*rect_iter, mock_canvas.rects_[0]);
rect_iter++;
}
}
void TestQuadsForSolidColor(bool test_for_solid);
FakeImplProxy proxy_;
TestSharedBitmapManager shared_bitmap_manager_;
FakeLayerTreeHostImpl host_impl_;
int id_;
FakePictureLayerImpl* pending_layer_;
FakePictureLayerImpl* old_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;
time_ticks += base::TimeDelta::FromMilliseconds(1);
host_impl_.SetCurrentBeginFrameArgs(
CreateBeginFrameArgsForTesting(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);
time_ticks += base::TimeDelta::FromMilliseconds(200);
host_impl_.SetCurrentBeginFrameArgs(
CreateBeginFrameArgsForTesting(time_ticks));
// 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);
host_impl_.active_tree()->UpdateDrawProperties();
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 tiling.
EXPECT_EQ(viewport_rect_for_tile_priority_in_view_space,
active_layer_->GetViewportForTilePriorityInContentSpace());
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_.SetCurrentBeginFrameArgs(
CreateBeginFrameArgsForTesting(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);
host_impl_.active_tree()->UpdateDrawProperties();
gfx::Transform screen_to_view(gfx::Transform::kSkipInitialization);
bool success = transform_for_tile_priority.GetInverse(&screen_to_view);
EXPECT_TRUE(success);
// Note that we don't clip this to the layer bounds, since it is expected that
// the rect will sometimes be outside of the layer bounds. If we clip to
// bounds, then tile priorities will end up being incorrect in cases of fully
// offscreen layer.
viewport_rect_for_tile_priority_in_view_space =
gfx::ToEnclosingRect(MathUtil::ProjectClippedRect(
screen_to_view, viewport_rect_for_tile_priority));
EXPECT_EQ(viewport_rect_for_tile_priority_in_view_space,
active_layer_->GetViewportForTilePriorityInContentSpace());
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;
time_ticks += base::TimeDelta::FromMilliseconds(1);
host_impl_.SetCurrentBeginFrameArgs(
CreateBeginFrameArgsForTesting(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(Occlusion(), resourceless_software_draw);
gfx::Rect visible_rect_for_tile_priority =
active_layer_->visible_rect_for_tile_priority();
EXPECT_FALSE(visible_rect_for_tile_priority.IsEmpty());
gfx::Transform screen_space_transform_for_tile_priority =
active_layer_->screen_space_transform();
// Expand viewport and set it as invalid for prioritizing tiles.
// Should update viewport and transform, but not update visible rect.
time_ticks += base::TimeDelta::FromMilliseconds(200);
host_impl_.SetCurrentBeginFrameArgs(
CreateBeginFrameArgsForTesting(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(Occlusion(), resourceless_software_draw);
// Transform for tile priority is updated.
EXPECT_TRANSFORMATION_MATRIX_EQ(transform,
active_layer_->screen_space_transform());
// Visible rect for tile priority retains old value.
EXPECT_EQ(visible_rect_for_tile_priority,
active_layer_->visible_rect_for_tile_priority());
// Keep expanded viewport but mark it valid. Should update tile viewport.
time_ticks += base::TimeDelta::FromMilliseconds(200);
host_impl_.SetCurrentBeginFrameArgs(
CreateBeginFrameArgsForTesting(time_ticks));
resourceless_software_draw = false;
host_impl_.SetExternalDrawConstraints(transform,
viewport,
viewport,
viewport,
transform,
resourceless_software_draw);
active_layer_->UpdateTiles(Occlusion(), resourceless_software_draw);
EXPECT_TRANSFORMATION_MATRIX_EQ(transform,
active_layer_->screen_space_transform());
EXPECT_EQ(viewport, active_layer_->visible_rect_for_tile_priority());
}
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(),
gfx::Rect(tiling->tiling_size()));
iter;
++iter) {
EXPECT_TRUE(*iter);
EXPECT_FALSE(iter.geometry_rect().IsEmpty());
if (iter.geometry_rect().Intersects(content_invalidation))
EXPECT_EQ(pending_pile.get(), iter->picture_pile());
else
EXPECT_EQ(active_pile.get(), 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(),
gfx::Rect(tiling->tiling_size()));
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.get(), iter->picture_pile());
} else {
EXPECT_EQ(active_pile.get(), 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(),
gfx::Rect(tiling->tiling_size()));
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.get(), iter->picture_pile());
else if (in_active)
EXPECT_EQ(active_pile.get(), 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,