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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 <stddef.h>
#include <algorithm>
#include <limits>
#include <memory>
#include <set>
#include <utility>
#include "base/location.h"
#include "base/memory/raw_ptr.h"
#include "base/test/scoped_feature_list.h"
#include "base/threading/thread_task_runner_handle.h"
#include "cc/animation/animation_host.h"
#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_task_runner_provider.h"
#include "cc/test/fake_layer_tree_frame_sink.h"
#include "cc/test/fake_layer_tree_host.h"
#include "cc/test/fake_layer_tree_host_client.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/fake_picture_layer_impl.h"
#include "cc/test/fake_raster_source.h"
#include "cc/test/fake_recording_source.h"
#include "cc/test/layer_tree_impl_test_base.h"
#include "cc/test/skia_common.h"
#include "cc/test/test_layer_tree_host_base.h"
#include "cc/test/test_paint_worklet_input.h"
#include "cc/test/test_task_graph_runner.h"
#include "cc/tiles/tiling_set_raster_queue_all.h"
#include "cc/tiles/tiling_set_raster_queue_required.h"
#include "cc/trees/layer_tree_impl.h"
#include "components/viz/common/quads/draw_quad.h"
#include "components/viz/common/quads/tile_draw_quad.h"
#include "components/viz/test/begin_frame_args_test.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/ui_base_features.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/size_conversions.h"
#include "ui/gfx/geometry/test/geometry_util.h"
namespace cc {
namespace {
#define EXPECT_BOTH_EQ(expression, x) \
do { \
EXPECT_EQ(x, pending_layer()->expression); \
EXPECT_EQ(x, active_layer()->expression); \
} while (false)
#define EXPECT_BOTH_NE(expression, x) \
do { \
EXPECT_NE(x, pending_layer()->expression); \
EXPECT_NE(x, active_layer()->expression); \
} while (false)
#define EXPECT_BOTH_TRUE(expression) \
do { \
EXPECT_TRUE(pending_layer()->expression); \
EXPECT_TRUE(active_layer()->expression); \
} while (false)
#define EXPECT_BOTH_FALSE(expression) \
do { \
EXPECT_FALSE(pending_layer()->expression); \
EXPECT_FALSE(active_layer()->expression); \
} while (false)
class PictureLayerImplTest : public TestLayerTreeHostBase {
public:
void SetUp() override {
TestLayerTreeHostBase::SetUp();
host_impl()->active_tree()->SetDeviceViewportRect(gfx::Rect(10000, 10000));
}
LayerTreeSettings CreateSettings() override {
auto settings = TestLayerTreeHostBase::CreateSettings();
settings.commit_to_active_tree = false;
settings.create_low_res_tiling = true;
return settings;
}
std::unique_ptr<LayerTreeFrameSink> CreateLayerTreeFrameSink() override {
return FakeLayerTreeFrameSink::Create3dForGpuRasterization();
}
void SetupDefaultTreesWithFixedTileSize(const gfx::Size& layer_bounds,
const gfx::Size& tile_size,
const Region& invalidation) {
scoped_refptr<FakeRasterSource> pending_raster_source =
FakeRasterSource::CreateFilled(layer_bounds);
scoped_refptr<FakeRasterSource> active_raster_source =
FakeRasterSource::CreateFilled(layer_bounds);
SetupTreesWithFixedTileSize(std::move(pending_raster_source),
std::move(active_raster_source), tile_size,
invalidation);
}
void SetupTreesWithFixedTileSize(
scoped_refptr<RasterSource> pending_raster_source,
scoped_refptr<RasterSource> active_raster_source,
const gfx::Size& tile_size,
const Region& pending_invalidation) {
SetupPendingTree(std::move(active_raster_source), tile_size, Region());
ActivateTree();
SetupPendingTree(std::move(pending_raster_source), tile_size,
pending_invalidation);
}
void SetupDefaultTreesWithInvalidation(const gfx::Size& layer_bounds,
const Region& invalidation) {
scoped_refptr<FakeRasterSource> pending_raster_source =
FakeRasterSource::CreateFilled(layer_bounds);
scoped_refptr<FakeRasterSource> active_raster_source =
FakeRasterSource::CreateFilled(layer_bounds);
SetupTreesWithInvalidation(std::move(pending_raster_source),
std::move(active_raster_source), invalidation);
}
void SetupTreesWithInvalidation(
scoped_refptr<RasterSource> pending_raster_source,
scoped_refptr<RasterSource> active_raster_source,
const Region& pending_invalidation) {
SetupPendingTree(std::move(active_raster_source), gfx::Size(), Region());
ActivateTree();
SetupPendingTree(std::move(pending_raster_source), gfx::Size(),
pending_invalidation);
}
void SetupPendingTreeWithInvalidation(
scoped_refptr<RasterSource> raster_source,
const Region& invalidation) {
SetupPendingTree(std::move(raster_source), gfx::Size(), invalidation);
}
void SetupPendingTreeWithFixedTileSize(
scoped_refptr<RasterSource> raster_source,
const gfx::Size& tile_size,
const Region& invalidation) {
SetupPendingTree(std::move(raster_source), tile_size, invalidation);
}
void SetupDrawProperties(FakePictureLayerImpl* layer,
const gfx::Vector2dF& ideal_contents_scale,
float device_scale_factor,
float page_scale_factor) {
layer->layer_tree_impl()->SetDeviceScaleFactor(device_scale_factor);
host_impl()->active_tree()->SetPageScaleOnActiveTree(page_scale_factor);
gfx::Transform scale_transform;
scale_transform.Scale(ideal_contents_scale.x(), ideal_contents_scale.y());
layer->draw_properties().screen_space_transform = scale_transform;
layer->draw_properties().target_space_transform = scale_transform;
layer->set_contributes_to_drawn_render_surface(true);
DCHECK_EQ(layer->GetIdealContentsScale(), ideal_contents_scale);
}
void SetupDrawProperties(FakePictureLayerImpl* layer,
float ideal_contents_scale,
float device_scale_factor,
float page_scale_factor) {
SetupDrawProperties(
layer, gfx::Vector2dF(ideal_contents_scale, ideal_contents_scale),
device_scale_factor, page_scale_factor);
}
void SetupDrawPropertiesAndUpdateTiles(
FakePictureLayerImpl* layer,
const gfx::Vector2dF& ideal_contents_scale,
float device_scale_factor,
float page_scale_factor) {
SetupDrawProperties(layer, ideal_contents_scale, device_scale_factor,
page_scale_factor);
layer->UpdateTiles();
}
void SetupDrawPropertiesAndUpdateTiles(FakePictureLayerImpl* layer,
float ideal_contents_scale,
float device_scale_factor,
float page_scale_factor) {
SetupDrawPropertiesAndUpdateTiles(
layer, gfx::Vector2dF(ideal_contents_scale, ideal_contents_scale),
device_scale_factor, page_scale_factor);
}
static void VerifyAllPrioritizedTilesExistAndHaveRasterSource(
const PictureLayerTiling* tiling,
RasterSource* raster_source) {
auto prioritized_tiles =
tiling->UpdateAndGetAllPrioritizedTilesForTesting();
for (PictureLayerTiling::CoverageIterator iter(
tiling, tiling->contents_scale_key(),
gfx::Rect(tiling->tiling_size()));
iter; ++iter) {
EXPECT_TRUE(*iter);
EXPECT_EQ(raster_source, prioritized_tiles[*iter].raster_source());
}
}
void SetMaximumAnimationToScreenScale(FakePictureLayerImpl* layer,
float maximum_animation_to_screen_scale,
bool affected_by_invalid_scale) {
layer->layer_tree_impl()
->property_trees()
->SetMaximumAnimationToScreenScaleForTesting(
layer->transform_tree_index(), maximum_animation_to_screen_scale,
affected_by_invalid_scale);
layer->draw_properties().screen_space_transform_is_animating = true;
}
void SetContentsScaleOnBothLayers(float contents_scale,
float device_scale_factor,
float page_scale_factor) {
// Sets arbitrary animation scale to ensure it's not used in any way.
constexpr float kArbitraryScale = 12345.0f;
SetMaximumAnimationToScreenScale(pending_layer(), kArbitraryScale, false);
pending_layer()->draw_properties().screen_space_transform_is_animating =
false;
SetupDrawPropertiesAndUpdateTiles(pending_layer(), contents_scale,
device_scale_factor, page_scale_factor);
SetMaximumAnimationToScreenScale(active_layer(), kArbitraryScale, false);
active_layer()->draw_properties().screen_space_transform_is_animating =
false;
SetupDrawPropertiesAndUpdateTiles(active_layer(), contents_scale,
device_scale_factor, page_scale_factor);
}
void SetContentsAndAnimationScalesOnBothLayers(
float contents_scale,
float device_scale_factor,
float page_scale_factor,
float maximum_animation_scale,
bool affected_by_invalid_scale) {
SetMaximumAnimationToScreenScale(pending_layer(), maximum_animation_scale,
affected_by_invalid_scale);
SetupDrawPropertiesAndUpdateTiles(pending_layer(), contents_scale,
device_scale_factor, page_scale_factor);
SetMaximumAnimationToScreenScale(active_layer(), maximum_animation_scale,
affected_by_invalid_scale);
SetupDrawPropertiesAndUpdateTiles(active_layer(), contents_scale,
device_scale_factor, page_scale_factor);
}
void ResetTilingsAndRasterScales() {
if (pending_layer()) {
pending_layer()->ReleaseTileResources();
EXPECT_TRUE(pending_layer()->tilings());
EXPECT_EQ(0u, pending_layer()->num_tilings());
pending_layer()->RecreateTileResources();
EXPECT_EQ(0u, pending_layer()->num_tilings());
}
if (active_layer()) {
active_layer()->ReleaseTileResources();
EXPECT_TRUE(active_layer()->tilings());
EXPECT_EQ(0u, pending_layer()->num_tilings());
active_layer()->RecreateTileResources();
EXPECT_EQ(0u, active_layer()->tilings()->num_tilings());
}
}
size_t NumberOfTilesRequired(PictureLayerTiling* tiling) {
size_t num_required = 0;
std::vector<Tile*> tiles = tiling->AllTilesForTesting();
for (size_t i = 0; i < tiles.size(); ++i) {
if (tiles[i]->required_for_activation())
num_required++;
}
return num_required;
}
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);
}
void SetInitialDeviceScaleFactor(float device_scale_factor) {
// Device scale factor is a per-tree property. However, tests can't directly
// set the pending tree's device scale factor before the pending tree is
// created, and setting it after SetupPendingTree is too late, since
// draw properties will already have been updated on the tree. To handle
// this, we initially set only the active tree's device scale factor, and we
// copy this over to the pending tree inside SetupPendingTree.
host_impl()->active_tree()->SetDeviceScaleFactor(device_scale_factor);
}
void TestQuadsForSolidColor(bool test_for_solid, bool partial_opaque);
};
// Legacy PictureLayerImplTest which forces SW rasterization. New tests should
// default to the more common GPU rasterization path.
class LegacySWPictureLayerImplTest : public PictureLayerImplTest {
public:
LayerTreeSettings CreateSettings() override {
auto settings = PictureLayerImplTest::CreateSettings();
settings.gpu_rasterization_disabled = true;
return settings;
}
};
class CommitToActiveTreePictureLayerImplTest : public PictureLayerImplTest {
public:
LayerTreeSettings CreateSettings() override {
LayerTreeSettings settings = PictureLayerImplTest::CreateSettings();
settings.commit_to_active_tree = true;
return settings;
}
};
class NoLowResPictureLayerImplTest : public LegacySWPictureLayerImplTest {
public:
LayerTreeSettings CreateSettings() override {
LayerTreeSettings settings = LegacySWPictureLayerImplTest::CreateSettings();
settings.create_low_res_tiling = false;
return settings;
}
};
TEST_F(LegacySWPictureLayerImplTest, CloneNoInvalidation) {
gfx::Size layer_bounds(400, 400);
SetupDefaultTrees(layer_bounds);
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)
EXPECT_TRUE(tilings->tiling_at(i)->AllTilesForTesting().empty());
}
TEST_F(LegacySWPictureLayerImplTest, ExternalViewportRectForPrioritizingTiles) {
host_impl()->AdvanceToNextFrame(base::Milliseconds(1));
gfx::Size layer_bounds(400, 400);
SetupDefaultTrees(layer_bounds);
SetupDrawPropertiesAndUpdateTiles(active_layer(), 1.f, 1.f, 1.f);
host_impl()->AdvanceToNextFrame(base::Milliseconds(200));
// Update tiles with viewport for tile priority as (0, 0, 100, 100) and the
// identify transform for tile priority.
gfx::Rect viewport_rect_for_tile_priority = gfx::Rect(0, 0, 100, 100);
gfx::Transform transform_for_tile_priority;
host_impl()->SetExternalTilePriorityConstraints(
viewport_rect_for_tile_priority, transform_for_tile_priority);
UpdateDrawProperties(host_impl()->active_tree());
// Verify the viewport rect for tile priority is used in picture layer tiling.
EXPECT_EQ(viewport_rect_for_tile_priority,
active_layer()->viewport_rect_for_tile_priority_in_content_space());
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,
tiling->contents_scale_key()));
}
// Update tiles with viewport for tile priority as (200, 200, 100, 100) in
// root layer space and the transform for tile priority is translated and
// rotated.
host_impl()->AdvanceToNextFrame(base::Milliseconds(200));
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()->SetExternalTilePriorityConstraints(
viewport_rect_for_tile_priority, transform_for_tile_priority);
UpdateDrawProperties(host_impl()->active_tree());
EXPECT_EQ(viewport_rect_for_tile_priority,
active_layer()->viewport_rect_for_tile_priority_in_content_space());
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,
tiling->contents_scale_key()));
}
}
TEST_F(LegacySWPictureLayerImplTest, ViewportRectForTilePriorityIsCached) {
host_impl()->AdvanceToNextFrame(base::Milliseconds(1));
gfx::Size layer_bounds(400, 400);
SetupDefaultTrees(layer_bounds);
SetupDrawPropertiesAndUpdateTiles(active_layer(), 1.f, 1.f, 1.f);
host_impl()->AdvanceToNextFrame(base::Milliseconds(200));
gfx::Rect viewport_rect_for_tile_priority(0, 0, 100, 100);
gfx::Transform transform_for_tile_priority;
host_impl()->SetExternalTilePriorityConstraints(
viewport_rect_for_tile_priority, transform_for_tile_priority);
UpdateDrawProperties(host_impl()->active_tree());
EXPECT_EQ(viewport_rect_for_tile_priority,
active_layer()->viewport_rect_for_tile_priority_in_content_space());
host_impl()->AdvanceToNextFrame(base::Milliseconds(200));
gfx::Rect another_viewport_rect_for_tile_priority(11, 11, 50, 50);
host_impl()->SetExternalTilePriorityConstraints(
another_viewport_rect_for_tile_priority, transform_for_tile_priority);
// Didn't call UpdateDrawProperties yet. The viewport rect for tile priority
// should remain to be the previously cached value.
EXPECT_EQ(viewport_rect_for_tile_priority,
active_layer()->viewport_rect_for_tile_priority_in_content_space());
UpdateDrawProperties(host_impl()->active_tree());
// Now the UpdateDrawProperties is called. The viewport rect for tile
// priority should be the latest value.
EXPECT_EQ(another_viewport_rect_for_tile_priority,
active_layer()->viewport_rect_for_tile_priority_in_content_space());
}
TEST_F(LegacySWPictureLayerImplTest, ClonePartialInvalidation) {
gfx::Size layer_bounds(400, 400);
gfx::Rect layer_invalidation(150, 200, 30, 180);
scoped_refptr<FakeRasterSource> pending_raster_source =
FakeRasterSource::CreateFilled(layer_bounds);
scoped_refptr<FakeRasterSource> active_raster_source =
FakeRasterSource::CreateFilled(layer_bounds);
scoped_refptr<FakeRasterSource> lost_raster_source =
FakeRasterSource::CreateFilled(layer_bounds);
SetupPendingTreeWithFixedTileSize(lost_raster_source, gfx::Size(50, 50),
Region());
ActivateTree();
{
// Add a unique tiling on the active tree.
PictureLayerTiling* tiling =
active_layer()->AddTiling(gfx::AxisTransform2d(3.f, gfx::Vector2dF()));
tiling->set_resolution(HIGH_RESOLUTION);
tiling->CreateAllTilesForTesting();
}
// Ensure UpdateTiles won't remove any tilings.
active_layer()->MarkAllTilingsUsed();
// Then setup a new pending tree and activate it.
SetupTreesWithFixedTileSize(pending_raster_source, active_raster_source,
gfx::Size(50, 50), layer_invalidation);
EXPECT_EQ(1u, pending_layer()->num_tilings());
EXPECT_EQ(3u, active_layer()->num_tilings());
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_key());
auto prioritized_tiles =
tiling->UpdateAndGetAllPrioritizedTilesForTesting();
for (PictureLayerTiling::CoverageIterator iter(
tiling, tiling->contents_scale_key(),
gfx::Rect(tiling->tiling_size()));
iter; ++iter) {
// We don't always have a tile, but when we do it's because it was
// invalidated and it has the latest raster source.
if (*iter) {
EXPECT_FALSE(iter.geometry_rect().IsEmpty());
EXPECT_EQ(pending_raster_source.get(),
prioritized_tiles[*iter].raster_source());
EXPECT_TRUE(iter.geometry_rect().Intersects(content_invalidation));
} else {
// We don't create tiles in non-invalidated regions.
EXPECT_FALSE(iter.geometry_rect().Intersects(content_invalidation));
}
}
}
tilings = active_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);
auto prioritized_tiles =
tiling->UpdateAndGetAllPrioritizedTilesForTesting();
for (PictureLayerTiling::CoverageIterator iter(
tiling, tiling->contents_scale_key(),
gfx::Rect(tiling->tiling_size()));
iter; ++iter) {
EXPECT_TRUE(*iter);
EXPECT_FALSE(iter.geometry_rect().IsEmpty());
// Raster source will be updated upon activation.
EXPECT_EQ(active_raster_source.get(),
prioritized_tiles[*iter].raster_source());
}
}
}
TEST_F(LegacySWPictureLayerImplTest, CloneFullInvalidation) {
gfx::Size layer_bounds(300, 500);
scoped_refptr<FakeRasterSource> pending_raster_source =
FakeRasterSource::CreateFilled(layer_bounds);
scoped_refptr<FakeRasterSource> active_raster_source =
FakeRasterSource::CreateFilled(layer_bounds);
SetupTreesWithInvalidation(pending_raster_source, active_raster_source,
gfx::Rect(layer_bounds));
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) {
VerifyAllPrioritizedTilesExistAndHaveRasterSource(
tilings->tiling_at(i), pending_raster_source.get());
}
}
TEST_F(LegacySWPictureLayerImplTest, UpdateTilesCreatesTilings) {
gfx::Size layer_bounds(1300, 1900);
SetupDefaultTrees(layer_bounds);
float low_res_factor = host_impl()->settings().low_res_contents_scale_factor;
EXPECT_LT(low_res_factor, 1.f);
active_layer()->ReleaseTileResources();
EXPECT_TRUE(active_layer()->tilings());
EXPECT_EQ(0u, active_layer()->num_tilings());
active_layer()->RecreateTileResources();
EXPECT_EQ(0u, active_layer()->num_tilings());
SetupDrawPropertiesAndUpdateTiles(active_layer(),
6.f, // ideal contents scale
3.f, // device scale
2.f); // page scale
ASSERT_EQ(2u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
6.f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
EXPECT_FLOAT_EQ(
6.f * low_res_factor,
active_layer()->tilings()->tiling_at(1)->contents_scale_key());
// If we change the page scale factor, then we should get new tilings.
SetupDrawPropertiesAndUpdateTiles(active_layer(),
6.6f, // ideal contents scale
3.f, // device scale
2.2f); // page scale
ASSERT_EQ(4u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
6.6f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
EXPECT_FLOAT_EQ(
6.6f * low_res_factor,
active_layer()->tilings()->tiling_at(2)->contents_scale_key());
// If we change the device scale factor, then we should get new tilings.
SetupDrawPropertiesAndUpdateTiles(active_layer(),
7.26f, // ideal contents scale
3.3f, // device scale
2.2f); // page scale
ASSERT_EQ(6u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
7.26f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
EXPECT_FLOAT_EQ(
7.26f * low_res_factor,
active_layer()->tilings()->tiling_at(3)->contents_scale_key());
// 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(active_layer(),
7.26f, // ideal contents scale
2.2f, // device scale
3.3f); // page scale
ASSERT_EQ(6u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
7.26f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
EXPECT_FLOAT_EQ(
7.26f * low_res_factor,
active_layer()->tilings()->tiling_at(3)->contents_scale_key());
}
TEST_F(LegacySWPictureLayerImplTest, PendingLayerOnlyHasHighResTiling) {
gfx::Size layer_bounds(1300, 1900);
SetupDefaultTrees(layer_bounds);
float low_res_factor = host_impl()->settings().low_res_contents_scale_factor;
EXPECT_LT(low_res_factor, 1.f);
pending_layer()->ReleaseTileResources();
pending_layer()->RecreateTileResources();
EXPECT_EQ(0u, pending_layer()->tilings()->num_tilings());
SetupDrawPropertiesAndUpdateTiles(pending_layer(),
6.f, // ideal contents scale
3.f, // device scale
2.f); // page scale
ASSERT_EQ(1u, pending_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
6.f, pending_layer()->tilings()->tiling_at(0)->contents_scale_key());
// 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
ASSERT_EQ(1u, pending_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
6.6f, pending_layer()->tilings()->tiling_at(0)->contents_scale_key());
// 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
ASSERT_EQ(1u, pending_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
7.26f, pending_layer()->tilings()->tiling_at(0)->contents_scale_key());
// 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
ASSERT_EQ(1u, pending_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
7.26f, pending_layer()->tilings()->tiling_at(0)->contents_scale_key());
}
TEST_F(LegacySWPictureLayerImplTest, 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 layer_bounds(1300, 1900);
scoped_refptr<FakeRasterSource> empty_raster_source =
FakeRasterSource::CreateEmpty(layer_bounds);
scoped_refptr<FakeRasterSource> valid_raster_source =
FakeRasterSource::CreateFilled(layer_bounds);
SetupPendingTree(valid_raster_source);
ASSERT_EQ(1u, pending_layer()->tilings()->num_tilings());
ActivateTree();
SetupPendingTree(empty_raster_source);
EXPECT_FALSE(pending_layer()->CanHaveTilings());
ASSERT_EQ(2u, active_layer()->tilings()->num_tilings());
ASSERT_EQ(0u, pending_layer()->tilings()->num_tilings());
ActivateTree();
EXPECT_FALSE(active_layer()->CanHaveTilings());
ASSERT_EQ(0u, active_layer()->tilings()->num_tilings());
SetupPendingTree(valid_raster_source);
ASSERT_EQ(1u, pending_layer()->tilings()->num_tilings());
ASSERT_EQ(0u, active_layer()->tilings()->num_tilings());
}
TEST_F(LegacySWPictureLayerImplTest, LowResTilingStaysOnActiveTree) {
gfx::Size layer_bounds(1300, 1900);
scoped_refptr<FakeRasterSource> valid_raster_source =
FakeRasterSource::CreateFilled(layer_bounds);
scoped_refptr<FakeRasterSource> other_valid_raster_source =
FakeRasterSource::CreateFilled(layer_bounds);
SetupPendingTree(valid_raster_source);
ASSERT_EQ(1u, pending_layer()->tilings()->num_tilings());
ActivateTree();
SetupPendingTree(other_valid_raster_source);
ASSERT_EQ(2u, active_layer()->tilings()->num_tilings());
ASSERT_EQ(1u, pending_layer()->tilings()->num_tilings());
auto* low_res_tiling =
active_layer()->tilings()->FindTilingWithResolution(LOW_RESOLUTION);
EXPECT_TRUE(low_res_tiling);
ActivateTree();
ASSERT_EQ(2u, active_layer()->tilings()->num_tilings());
auto* other_low_res_tiling =
active_layer()->tilings()->FindTilingWithResolution(LOW_RESOLUTION);
EXPECT_TRUE(other_low_res_tiling);
EXPECT_EQ(low_res_tiling, other_low_res_tiling);
}
TEST_F(LegacySWPictureLayerImplTest, ZoomOutCrash) {
gfx::Size layer_bounds(1300, 1900);
// Set up the high and low res tilings before pinch zoom.
SetupDefaultTrees(layer_bounds);
ResetTilingsAndRasterScales();
EXPECT_EQ(0u, active_layer()->tilings()->num_tilings());
SetContentsScaleOnBothLayers(32.0f, 1.0f, 32.0f);
EXPECT_EQ(32.f, active_layer()->HighResTiling()->contents_scale_key());
// Since this test simulates a pinch it needs an input handler.
// TODO(bokan): This is a raster unit test, it shouldn't be using a real
// input handler.
InputHandler::Create(static_cast<CompositorDelegateForInput&>(*host_impl()));
host_impl()->GetInputHandler().PinchGestureBegin(
gfx::Point(), ui::ScrollInputType::kTouchscreen);
SetContentsScaleOnBothLayers(1.0f, 1.0f, 1.0f);
SetContentsScaleOnBothLayers(1.0f, 1.0f, 1.0f);
EXPECT_EQ(active_layer()->tilings()->NumHighResTilings(), 1);
}
TEST_F(LegacySWPictureLayerImplTest, ScaledBoundsOverflowInt) {
// Limit visible size.
gfx::Size viewport_size(1, 1);
host_impl()->active_tree()->SetDeviceViewportRect(gfx::Rect(viewport_size));
gfx::Size layer_bounds(600000, 60);
// Set up the high and low res tilings before pinch zoom.
SetupDefaultTrees(layer_bounds);
ResetTilingsAndRasterScales();
EXPECT_EQ(0u, active_layer()->tilings()->num_tilings());
float scale = 8000.f;
// Verify this will overflow an int.
EXPECT_GT(static_cast<float>(layer_bounds.width()) * scale,
static_cast<float>(std::numeric_limits<int>::max()));
SetContentsScaleOnBothLayers(scale, 1.0f, scale);
float adjusted_scale = active_layer()->HighResTiling()->contents_scale_key();
EXPECT_LT(adjusted_scale, scale);
// PopulateSharedQuadState CHECKs for overflows.
// See http://crbug.com/679035
active_layer()->draw_properties().visible_layer_rect =
gfx::Rect(layer_bounds);
viz::SharedQuadState state;
active_layer()->PopulateScaledSharedQuadState(
&state, adjusted_scale, active_layer()->contents_opaque());
}
TEST_F(LegacySWPictureLayerImplTest, PinchGestureTilings) {
gfx::Size layer_bounds(1300, 1900);
float low_res_factor = host_impl()->settings().low_res_contents_scale_factor;
// Set up the high and low res tilings before pinch zoom.
SetupDefaultTrees(layer_bounds);
ResetTilingsAndRasterScales();
SetContentsScaleOnBothLayers(2.f, 1.0f, 2.f);
ASSERT_EQ(active_layer()->num_tilings(), 2u);
ASSERT_EQ(pending_layer()->num_tilings(), 1u);
EXPECT_EQ(active_layer()->tilings()->tiling_at(0)->contents_scale_key(), 2.f);
EXPECT_EQ(active_layer()->tilings()->tiling_at(1)->contents_scale_key(),
2.f * low_res_factor);
// One of the tilings has to be a low resolution one.
EXPECT_EQ(LOW_RESOLUTION,
active_layer()->tilings()->tiling_at(1)->resolution());
// Ensure UpdateTiles won't remove any tilings.
active_layer()->MarkAllTilingsUsed();
// Since this test simulates a pinch it needs an input handler.
// TODO(bokan): This is a raster unit test, it shouldn't be using a real
// input handler.
InputHandler::Create(static_cast<CompositorDelegateForInput&>(*host_impl()));
// Start a pinch gesture.
host_impl()->GetInputHandler().PinchGestureBegin(
gfx::Point(), ui::ScrollInputType::kTouchscreen);
// Zoom out by a small amount. We should create a tiling at half
// the scale (2/kMaxScaleRatioDuringPinch).
SetContentsScaleOnBothLayers(1.8f, 1.0f, 1.8f);
ASSERT_EQ(3u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
2.0f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
EXPECT_FLOAT_EQ(
1.0f, active_layer()->tilings()->tiling_at(1)->contents_scale_key());
EXPECT_FLOAT_EQ(
2.0f * low_res_factor,
active_layer()->tilings()->tiling_at(2)->contents_scale_key());
// Since we're pinching, we shouldn't create a low resolution tiling.
EXPECT_FALSE(
active_layer()->tilings()->FindTilingWithResolution(LOW_RESOLUTION));
// Ensure UpdateTiles won't remove any tilings.
active_layer()->MarkAllTilingsUsed();
// 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 * 2.1f, 1.0f,
low_res_factor * 2.1f);
ASSERT_EQ(3u, active_layer()->tilings()->num_tilings());
EXPECT_FALSE(
active_layer()->tilings()->FindTilingWithResolution(LOW_RESOLUTION));
// Zoom in a lot now. Since we increase by increments of
// kMaxScaleRatioDuringPinch, this will create a new tiling at 4.0.
SetContentsScaleOnBothLayers(3.8f, 1.0f, 3.8f);
ASSERT_EQ(4u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
4.0f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
// Although one of the tilings matches the low resolution scale, it still
// shouldn't be marked as low resolution since we're pinching.
auto* low_res_tiling =
active_layer()->tilings()->FindTilingWithScaleKey(4.f * low_res_factor);
EXPECT_TRUE(low_res_tiling);
EXPECT_NE(LOW_RESOLUTION, low_res_tiling->resolution());
// Stop a pinch gesture.
host_impl()->GetInputHandler().PinchGestureEnd(gfx::Point());
// Ensure UpdateTiles won't remove any tilings.
active_layer()->MarkAllTilingsUsed();
// After pinch ends, set the scale to what the raster scale was updated to
// (checked above).
SetContentsScaleOnBothLayers(4.0f, 1.0f, 4.0f);
ASSERT_EQ(4u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
4.0f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
// Now that we stopped pinching, the low resolution tiling that existed should
// now be marked as low resolution.
low_res_tiling =
active_layer()->tilings()->FindTilingWithScaleKey(4.f * low_res_factor);
EXPECT_TRUE(low_res_tiling);
EXPECT_EQ(LOW_RESOLUTION, low_res_tiling->resolution());
}
TEST_F(LegacySWPictureLayerImplTest, SnappedTilingDuringZoom) {
gfx::Size layer_bounds(2600, 3800);
SetupDefaultTrees(layer_bounds);
ResetTilingsAndRasterScales();
EXPECT_EQ(0u, active_layer()->tilings()->num_tilings());
// Set up the high and low res tilings before pinch zoom.
SetContentsScaleOnBothLayers(0.24f, 1.0f, 0.24f);
ASSERT_EQ(2u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
0.24f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
EXPECT_FLOAT_EQ(
0.06f, active_layer()->tilings()->tiling_at(1)->contents_scale_key());
// Ensure UpdateTiles won't remove any tilings.
active_layer()->MarkAllTilingsUsed();
// Since this test simulates a pinch it needs an input handler.
// TODO(bokan): This is a raster unit test, it shouldn't be using a real
// input handler.
InputHandler::Create(static_cast<CompositorDelegateForInput&>(*host_impl()));
// Start a pinch gesture.
host_impl()->GetInputHandler().PinchGestureBegin(
gfx::Point(), ui::ScrollInputType::kTouchscreen);
// Zoom out by a small amount. We should create a tiling at half
// the scale (1/kMaxScaleRatioDuringPinch).
SetContentsScaleOnBothLayers(0.2f, 1.0f, 0.2f);
ASSERT_EQ(3u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
0.24f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
EXPECT_FLOAT_EQ(
0.12f, active_layer()->tilings()->tiling_at(1)->contents_scale_key());
EXPECT_FLOAT_EQ(
0.06f, active_layer()->tilings()->tiling_at(2)->contents_scale_key());
// Ensure UpdateTiles won't remove any tilings.
active_layer()->MarkAllTilingsUsed();
// 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);
ASSERT_EQ(3u, active_layer()->tilings()->num_tilings());
// Zoom in. 0.22(desired_scale) should be snapped to 0.24 during zoom-in
// because 0.22(desired_scale) is within the ratio(1.2).
SetContentsScaleOnBothLayers(0.22f, 1.0f, 0.22f);
ASSERT_EQ(3u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
0.24f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
// Zoom in a lot. Since we move in factors of two, we should get a scale that
// is a power of 2 times 0.24.
SetContentsScaleOnBothLayers(1.f, 1.0f, 1.f);
ASSERT_EQ(4u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
1.92f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
}
TEST_F(LegacySWPictureLayerImplTest, CleanUpTilings) {
gfx::Size layer_bounds(1300, 1900);
std::vector<PictureLayerTiling*> used_tilings;
float low_res_factor = host_impl()->settings().low_res_contents_scale_factor;
EXPECT_LT(low_res_factor, 1.f);
float scale = 1.f;
float page_scale = 1.f;
SetupDefaultTrees(layer_bounds);
GetTransformNode(active_layer())->will_change_transform = true;
EXPECT_FLOAT_EQ(2u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
1.f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
EXPECT_FLOAT_EQ(
1.f * low_res_factor,
active_layer()->tilings()->tiling_at(1)->contents_scale_key());
// Ensure UpdateTiles won't remove any tilings. Note this is unrelated to
// |used_tilings| variable, and it's here only to ensure that active_layer()
// won't remove tilings before the test has a chance to verify behavior.
active_layer()->MarkAllTilingsUsed();
// We only have ideal tilings, so they aren't removed.
used_tilings.clear();
active_layer()->CleanUpTilingsOnActiveLayer(used_tilings);
EXPECT_FLOAT_EQ(2u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
1.f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
EXPECT_FLOAT_EQ(
1.f * low_res_factor,
active_layer()->tilings()->tiling_at(1)->contents_scale_key());
// Since this test simulates a pinch it needs an input handler.
// TODO(bokan): This is a raster unit test, it shouldn't be using a real
// input handler.
InputHandler::Create(static_cast<CompositorDelegateForInput&>(*host_impl()));
host_impl()->GetInputHandler().PinchGestureBegin(
gfx::Point(), ui::ScrollInputType::kTouchscreen);
// Changing the ideal but not creating new tilings.
scale = 1.5f;
page_scale = 1.5f;
SetContentsScaleOnBothLayers(scale, 1.f, page_scale);
EXPECT_FLOAT_EQ(2u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
1.f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
EXPECT_FLOAT_EQ(
1.f * low_res_factor,
active_layer()->tilings()->tiling_at(1)->contents_scale_key());
// 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());
EXPECT_FLOAT_EQ(
1.f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
EXPECT_FLOAT_EQ(
1.f * low_res_factor,
active_layer()->tilings()->tiling_at(1)->contents_scale_key());
host_impl()->GetInputHandler().PinchGestureEnd(gfx::Point());
// Create a 1.2 scale tiling. Now we have 1.0 and 1.2 tilings. Ideal = 1.2.
scale = 1.2f;
page_scale = 1.2f;
SetContentsScaleOnBothLayers(1.2f, 1.f, page_scale);
ASSERT_EQ(4u, active_layer()->tilings()->num_tilings());
EXPECT_FLOAT_EQ(
1.2f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
EXPECT_FLOAT_EQ(
1.f, active_layer()->tilings()->tiling_at(1)->contents_scale_key());
EXPECT_FLOAT_EQ(
1.2f * low_res_factor,
active_layer()->tilings()->tiling_at(2)->contents_scale_key());
EXPECT_FLOAT_EQ(
1.f * low_res_factor,
active_layer()->tilings()->tiling_at(3)->contents_scale_key());
// Ensure UpdateTiles won't remove any tilings.
active_layer()->MarkAllTilingsUsed();
// 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());
EXPECT_FLOAT_EQ(
1.2f, active_layer()->tilings()->tiling_at(0)->contents_scale_key());
EXPECT_FLOAT_EQ(
1.f, active_layer()->tilings()->tiling_at(1)->contents_scale_key());