// 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 <utility>
#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/mock_quad_culler.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 "third_party/skia/include/core/SkBitmapDevice.h"
#include "ui/gfx/rect_conversions.h"
namespace cc {
namespace {
class MockCanvas : public SkCanvas {
public:
explicit MockCanvas(SkBaseDevice* device) : SkCanvas(device) {}
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()
: host_impl_(ImplSidePaintingSettings(), &proxy_), id_(7) {}
explicit PictureLayerImplTest(const LayerTreeSettings& settings)
: host_impl_(settings, &proxy_), id_(7) {}
virtual ~PictureLayerImplTest() {
}
virtual void SetUp() OVERRIDE {
InitializeRenderer();
}
virtual void InitializeRenderer() {
host_impl_.InitializeRenderer(CreateFakeOutputSurface());
}
void SetupDefaultTrees(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(gfx::Size layer_bounds,
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();
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();
}
static void VerifyAllTilesExistAndHavePile(
const PictureLayerTiling* tiling,
PicturePileImpl* pile) {
for (PictureLayerTiling::CoverageIterator
iter(tiling, tiling->contents_scale(), tiling->ContentRect());
iter;
++iter) {
EXPECT_TRUE(*iter);
EXPECT_EQ(pile, iter->picture_pile());
}
}
void SetContentsScaleOnBothLayers(float contents_scale,
float device_scale_factor,
float page_scale_factor,
bool animating_transform) {
float result_scale_x, result_scale_y;
gfx::Size result_bounds;
pending_layer_->CalculateContentsScale(
contents_scale,
device_scale_factor,
page_scale_factor,
animating_transform,
&result_scale_x,
&result_scale_y,
&result_bounds);
active_layer_->CalculateContentsScale(
contents_scale,
device_scale_factor,
page_scale_factor,
animating_transform,
&result_scale_x,
&result_scale_y,
&result_bounds);
}
void ResetTilingsAndRasterScales() {
pending_layer_->DidLoseOutputSurface();
active_layer_->DidLoseOutputSurface();
}
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);
float result_scale_x, result_scale_y;
gfx::Size result_bounds;
active_layer_->CalculateContentsScale(
1.f, 1.f, 1.f, false, &result_scale_x, &result_scale_y, &result_bounds);
// 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);
SkBitmap store;
store.setConfig(SkBitmap::kNo_Config, 1000, 1000);
SkBitmapDevice device(store);
std::vector<SkRect>::const_iterator rect_iter = rects.begin();
for (tile_iter = tiles.begin(); tile_iter < tiles.end(); tile_iter++) {
MockCanvas mock_canvas(&device);
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_;
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, SuppressUpdateTilePriorities) {
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);
float dummy_contents_scale_x;
float dummy_contents_scale_y;
gfx::Size dummy_content_bounds;
active_layer_->CalculateContentsScale(1.f,
1.f,
1.f,
false,
&dummy_contents_scale_x,
&dummy_contents_scale_y,
&dummy_content_bounds);
EXPECT_TRUE(host_impl_.manage_tiles_needed());
active_layer_->UpdateTilePriorities();
host_impl_.ManageTiles();
EXPECT_FALSE(host_impl_.manage_tiles_needed());
time_ticks += base::TimeDelta::FromMilliseconds(200);
host_impl_.SetCurrentFrameTimeTicks(time_ticks);
// Setting this boolean should cause an early out in UpdateTilePriorities.
bool valid_for_tile_management = false;
host_impl_.SetExternalDrawConstraints(gfx::Transform(),
gfx::Rect(layer_bounds),
gfx::Rect(layer_bounds),
valid_for_tile_management);
active_layer_->UpdateTilePriorities();
EXPECT_FALSE(host_impl_.manage_tiles_needed());
time_ticks += base::TimeDelta::FromMilliseconds(200);
host_impl_.SetCurrentFrameTimeTicks(time_ticks);
valid_for_tile_management = true;
host_impl_.SetExternalDrawConstraints(gfx::Transform(),
gfx::Rect(layer_bounds),
gfx::Rect(layer_bounds),
valid_for_tile_management);
active_layer_->UpdateTilePriorities();
EXPECT_TRUE(host_impl_.manage_tiles_needed());
}
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->ContentRect());
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->ContentRect());
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->ContentRect());
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);
float result_scale_x, result_scale_y;
gfx::Size result_bounds;
SetupTrees(pending_pile, active_pile);
pending_layer_->CalculateContentsScale(
1.f, 1.f, 1.f, false, &result_scale_x, &result_scale_y, &result_bounds);
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);
float result_scale_x, result_scale_y;
gfx::Size result_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);
pending_layer_->CalculateContentsScale(1.3f, // ideal contents scale
1.7f, // device scale
3.2f, // page cale
false,
&result_scale_x,
&result_scale_y,
&result_bounds);
ASSERT_EQ(2u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
1.3f,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(
1.3f * low_res_factor,
pending_layer_->tilings()->tiling_at(1)->contents_scale());
// If we change the layer's CSS scale factor, then we should not get new
// tilings.
pending_layer_->CalculateContentsScale(1.8f, // ideal contents scale
1.7f, // device scale
3.2f, // page cale
false,
&result_scale_x,
&result_scale_y,
&result_bounds);
ASSERT_EQ(2u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
1.3f,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(
1.3f * low_res_factor,
pending_layer_->tilings()->tiling_at(1)->contents_scale());
// If we change the page scale factor, then we should get new tilings.
pending_layer_->CalculateContentsScale(1.8f, // ideal contents scale
1.7f, // device scale
2.2f, // page cale
false,
&result_scale_x,
&result_scale_y,
&result_bounds);
ASSERT_EQ(4u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
1.8f,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(
1.8f * low_res_factor,
pending_layer_->tilings()->tiling_at(2)->contents_scale());
// If we change the device scale factor, then we should get new tilings.
pending_layer_->CalculateContentsScale(1.9f, // ideal contents scale
1.4f, // device scale
2.2f, // page cale
false,
&result_scale_x,
&result_scale_y,
&result_bounds);
ASSERT_EQ(6u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
1.9f,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(
1.9f * 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.
pending_layer_->CalculateContentsScale(1.9f, // ideal contents scale
2.2f, // device scale
1.4f, // page cale
false,
&result_scale_x,
&result_scale_y,
&result_bounds);
ASSERT_EQ(6u, pending_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
1.9f,
pending_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(
1.9f * 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 result_scale_x, result_scale_y;
gfx::Size result_bounds;
SetupPendingTree(valid_pile);
pending_layer_->CalculateContentsScale(high_res_scale,
device_scale,
page_scale,
false,
&result_scale_x,
&result_scale_y,
&result_bounds);
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);
pending_layer_->CalculateContentsScale(high_res_scale,
device_scale,
page_scale,
false,
&result_scale_x,
&result_scale_y,
&result_bounds);
ASSERT_EQ(2u, active_layer_->tilings()->num_tilings());
ASSERT_EQ(0u, pending_layer_->tilings()->num_tilings());
ActivateTree();
active_layer_->CalculateContentsScale(high_res_scale,
device_scale,
page_scale,
false,
&result_scale_x,
&result_scale_y,
&result_bounds);
ASSERT_EQ(0u, active_layer_->tilings()->num_tilings());
SetupPendingTree(valid_pile);
pending_layer_->CalculateContentsScale(high_res_scale,
device_scale,
page_scale,
false,
&result_scale_x,
&result_scale_y,
&result_bounds);
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, false);
host_impl_.PinchGestureBegin();
SetContentsScaleOnBothLayers(1.0f, 1.0f, 1.0f, false);
SetContentsScaleOnBothLayers(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(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(
1.0f,
active_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(
1.0f * 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 (1/kMaxScaleRatioDuringPinch).
SetContentsScaleOnBothLayers(0.90f, 1.0f, 0.9f, false);
EXPECT_EQ(3u, active_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
1.0f,
active_layer_->tilings()->tiling_at(0)->contents_scale());
EXPECT_FLOAT_EQ(
0.5f,
active_layer_->tilings()->tiling_at(1)->contents_scale());
EXPECT_FLOAT_EQ(
1.0f * 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, 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 0.5, then 1.0
// and then finally create a new tiling at 2.0.
SetContentsScaleOnBothLayers(2.1f, 1.0f, 2.1f, false);
EXPECT_EQ(3u, active_layer_->tilings()->num_tilings());
SetContentsScaleOnBothLayers(2.1f, 1.0f, 2.1f, false);
EXPECT_EQ(3u, active_layer_->tilings()->num_tilings());
SetContentsScaleOnBothLayers(2.1f, 1.0f, 2.1f, false);
EXPECT_EQ(4u, active_layer_->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
2.0f,
active_layer_->tilings()->tiling_at(0)->contents_scale());
}
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);
float result_scale_x, result_scale_y;
gfx::Size result_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;
SetContentsScaleOnBothLayers(1.f, device_scale, page_scale, 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());
// Changing the ideal but not creating new tilings.
SetContentsScaleOnBothLayers(1.5f, device_scale, page_scale, 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());
// Create a 1.2 scale tiling. Now we have 1.0 and 1.2 tilings. Ideal = 1.2.
page_scale = 1.2f;
SetContentsScaleOnBothLayers(1.2f, device_scale, page_scale, 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, 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, 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.
active_layer_->CalculateContentsScale(1.1f,
device_scale,
page_scale,
false,
&result_scale_x,
&result_scale_y,
&result_bounds);
// 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.
pending_layer_->CalculateContentsScale(1.1f,
device_scale,
page_scale,
false,
&result_scale_x,
&result_scale_y,
&result_bounds);
// 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(pending_layer_->expression, x); \
EXPECT_EQ(active_layer_->expression, x); \
} 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;
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, 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, 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, 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, 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;
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, 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, 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, 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, animating_transform);
EXPECT_BOTH_EQ(HighResTiling()->contents_scale(), contents_scale);
EXPECT_BOTH_EQ(num_tilings(), 1u);
}
TEST_F(PictureLayerImplTest, DidLoseOutputSurface) {
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);
float result_scale_x, result_scale_y;
gfx::Size result_bounds;
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
pending_layer_->CalculateContentsScale(1.3f, // ideal contents scale
2.7f, // device scale
3.2f, // page cale
false,
&result_scale_x,
&result_scale_y,
&result_bounds);
EXPECT_EQ(2u, pending_layer_->tilings()->num_tilings());
// All tilings should be removed when losing output surface.
active_layer_->DidLoseOutputSurface();
EXPECT_EQ(0u, active_layer_->tilings()->num_tilings());
pending_layer_->DidLoseOutputSurface();
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
// This should create new tilings.
pending_layer_->CalculateContentsScale(1.3f, // ideal contents scale
2.7f, // device scale
3.2f, // page cale
false,
&result_scale_x,
&result_scale_y,
&result_bounds);
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);
float result_scale_x, result_scale_y;
gfx::Size result_bounds;
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
pending_layer_->CalculateContentsScale(
1.f, 1.f, 1.f, false, &result_scale_x, &result_scale_y, &result_bounds);
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_->DidLoseOutputSurface();
// 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>());
pending_layer_->CalculateContentsScale(
1.f, 1.f, 1.f, false, &result_scale_x, &result_scale_y, &result_bounds);
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);
float result_scale_x, result_scale_y;
gfx::Size result_bounds;
SetupTrees(pending_pile, active_pile);
EXPECT_EQ(0u, pending_layer_->tilings()->num_tilings());
pending_layer_->CalculateContentsScale(
1.f, 1.f, 1.f, false, &result_scale_x, &result_scale_y, &result_bounds);
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_->DidLoseOutputSurface();
// 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>());
pending_layer_->CalculateContentsScale(
1.f, 1.f, 1.f, false, &result_scale_x, &result_scale_y, &result_bounds);
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) {
MockQuadCuller quad_culler;
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_->SetContentBounds(layer_bounds);
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, 100);
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);
// Fake set priorities.
int tile_count = 0;
for (PictureLayerTiling::CoverageIterator iter(
tiling,
pending_layer_->contents_scale_x(),
gfx::Rect(pending_layer_->visible_content_rect()));
iter;
++iter) {
if (!*iter)
continue;
Tile* tile = *iter;
TilePriority priority;
priority.resolution = HIGH_RESOLUTION;
if (++tile_count % 2) {
priority.time_to_visible_in_seconds = 0.f;
priority.distance_to_visible_in_pixels = 0.f;
} else {
priority.time_to_visible_in_seconds = 1.f;
priority.distance_to_visible_in_pixels = 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(pending_layer_->visible_content_rect()));
iter;
++iter) {
if (!*iter)
continue;
const Tile* tile = *iter;
if (tile->priority(PENDING_TREE).distance_to_visible_in_pixels == 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());
}
// TODO(enne): temporarily disabled: http://crbug.com/335289
TEST_F(PictureLayerImplTest, DISABLED_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());
}
// TODO(enne): temporarily disabled: http://crbug.com/335289
TEST_F(PictureLayerImplTest, DISABLED_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, 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.
bool default_lcd_text_setting = pending_layer_->is_using_lcd_text();
pending_layer_->force_set_lcd_text(!default_lcd_text_setting);
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(!default_lcd_text_setting, active_layer_->is_using_lcd_text());
EXPECT_FALSE(active_layer_->needs_post_commit_initialization());
}
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.
const float tile_scale = 2.f;
active_layer_->DidLoseOutputSurface();
EXPECT_FALSE(active_layer_->tilings()->TilingAtScale(tile_scale));
pending_layer_->AddTiling(2.f);
EXPECT_TRUE(active_layer_->tilings()->TilingAtScale(tile_scale));
}
TEST_F(PictureLayerImplTest, NoTilingIfDoesNotDrawContent) {
// Set up layers with tilings.
SetupDefaultTrees(gfx::Size(10, 10));
SetContentsScaleOnBothLayers(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, 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, 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, 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, false);
ASSERT_GE(pending_layer_->num_tilings(), 0u);
EXPECT_FLOAT_EQ(pending_layer_->MinimumContentsScale(),
pending_layer_->HighResTiling()->contents_scale());
}
class DeferredInitPictureLayerImplTest : public PictureLayerImplTest {
public:
DeferredInitPictureLayerImplTest()
: PictureLayerImplTest(ImplSidePaintingSettings()) {}
virtual void InitializeRenderer() OVERRIDE {
host_impl_.InitializeRenderer(FakeOutputSurface::CreateDeferredGL(
scoped_ptr<SoftwareOutputDevice>(new SoftwareOutputDevice))
.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,
PreventUpdateTilePrioritiesDuringLostContext) {
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(), NULL));
// 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();
}
} // namespace
} // namespace cc