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display_item_list_unittest.cc
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display_item_list_unittest.cc
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// Copyright 2014 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/paint/display_item_list.h"
#include <stddef.h>
#include <vector>
#include "base/logging.h"
#include "base/trace_event/traced_value.h"
#include "base/values.h"
#include "cc/paint/filter_operation.h"
#include "cc/paint/filter_operations.h"
#include "cc/paint/paint_canvas.h"
#include "cc/paint/paint_flags.h"
#include "cc/paint/paint_image_builder.h"
#include "cc/paint/paint_record.h"
#include "cc/paint/render_surface_filters.h"
#include "cc/paint/skia_paint_canvas.h"
#include "cc/test/pixel_test_utils.h"
#include "cc/test/skia_common.h"
#include "cc/test/test_skcanvas.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkColor.h"
#include "third_party/skia/include/core/SkSurface.h"
#include "third_party/skia/include/core/SkTextBlob.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/skia_conversions.h"
namespace cc {
namespace {
bool CompareN32Pixels(void* actual_pixels,
void* expected_pixels,
int width,
int height) {
if (memcmp(actual_pixels, expected_pixels, 4 * width * height) == 0)
return true;
SkImageInfo actual_info = SkImageInfo::MakeN32Premul(width, height);
SkBitmap actual_bitmap;
actual_bitmap.installPixels(actual_info, actual_pixels,
actual_info.minRowBytes());
SkImageInfo expected_info = SkImageInfo::MakeN32Premul(width, height);
SkBitmap expected_bitmap;
expected_bitmap.installPixels(expected_info, expected_pixels,
expected_info.minRowBytes());
std::string gen_bmp_data_url = GetPNGDataUrl(actual_bitmap);
std::string ref_bmp_data_url = GetPNGDataUrl(expected_bitmap);
LOG(ERROR) << "Pixels do not match!";
LOG(ERROR) << "Actual: " << gen_bmp_data_url;
LOG(ERROR) << "Expected: " << ref_bmp_data_url;
return false;
}
} // namespace
class DisplayItemListTest : public testing::Test {
protected:
std::unique_ptr<base::Value> ToBaseValue(const DisplayItemList* list,
bool include_items) {
base::trace_event::TracedValueJSON value;
list->AddToValue(&value, include_items);
return value.ToBaseValue();
}
};
#define EXPECT_TRACED_RECT(x, y, width, height, rect_list) \
do { \
ASSERT_EQ(4u, rect_list->GetListDeprecated().size()); \
EXPECT_EQ(x, rect_list->GetListDeprecated()[0].GetIfDouble()); \
EXPECT_EQ(y, rect_list->GetListDeprecated()[1].GetIfDouble()); \
EXPECT_EQ(width, rect_list->GetListDeprecated()[2].GetIfDouble()); \
EXPECT_EQ(height, rect_list->GetListDeprecated()[3].GetIfDouble()); \
} while (false)
// AddToValue should not crash if there are different numbers of visual_rect
// are paint_op
TEST_F(DisplayItemListTest, TraceEmptyVisualRect) {
PaintFlags red_paint;
red_paint.setColor(SK_ColorRED);
auto list = base::MakeRefCounted<DisplayItemList>();
gfx::Point offset(8, 9);
list->StartPaint();
list->push<DrawRectOp>(SkRect::MakeEmpty(), red_paint);
// The rect is empty to cause rtree generation to skip it.
list->EndPaintOfUnpaired(gfx::Rect(offset, gfx::Size(0, 10)));
list->StartPaint();
list->push<DrawRectOp>(SkRect::MakeXYWH(0, 0, 10, 10), red_paint);
// This rect is not empty.
list->EndPaintOfUnpaired(gfx::Rect(offset, gfx::Size(10, 10)));
list->Finalize();
// Pass: we don't crash
std::unique_ptr<base::Value> root = ToBaseValue(list.get(), true);
const base::DictionaryValue* root_dict;
ASSERT_TRUE(root->GetAsDictionary(&root_dict));
const base::DictionaryValue* params_dict;
ASSERT_TRUE(root_dict->GetDictionary("params", ¶ms_dict));
const base::ListValue* items;
ASSERT_TRUE(params_dict->GetList("items", &items));
ASSERT_EQ(2u, items->GetListDeprecated().size());
const base::Value* item_value;
const base::DictionaryValue* item_dict;
const base::ListValue* visual_rect;
std::string name;
item_value = &items->GetListDeprecated()[0];
ASSERT_TRUE(item_value->is_dict());
item_dict = &base::Value::AsDictionaryValue(*item_value);
ASSERT_TRUE(item_dict->GetList("visual_rect", &visual_rect));
EXPECT_TRACED_RECT(0, 0, 0, 0, visual_rect);
EXPECT_TRUE(item_dict->GetString("name", &name));
EXPECT_EQ("DrawRect", name);
item_value = &items->GetListDeprecated()[1];
ASSERT_TRUE(item_value->is_dict());
item_dict = &base::Value::AsDictionaryValue(*item_value);
ASSERT_TRUE(item_dict->GetList("visual_rect", &visual_rect));
EXPECT_TRACED_RECT(8, 9, 10, 10, visual_rect);
EXPECT_TRUE(item_dict->GetString("name", &name));
EXPECT_EQ("DrawRect", name);
}
TEST_F(DisplayItemListTest, SingleUnpairedRange) {
gfx::Rect layer_rect(100, 100);
PaintFlags blue_flags;
blue_flags.setColor(SK_ColorBLUE);
PaintFlags red_paint;
red_paint.setColor(SK_ColorRED);
unsigned char pixels[4 * 100 * 100] = {0};
auto list = base::MakeRefCounted<DisplayItemList>();
gfx::Point offset(8, 9);
list->StartPaint();
list->push<SaveOp>();
list->push<TranslateOp>(static_cast<float>(offset.x()),
static_cast<float>(offset.y()));
list->push<DrawRectOp>(SkRect::MakeLTRB(0.f, 0.f, 60.f, 60.f), red_paint);
list->push<DrawRectOp>(SkRect::MakeLTRB(50.f, 50.f, 75.f, 75.f), blue_flags);
list->push<RestoreOp>();
list->EndPaintOfUnpaired(gfx::Rect(offset, layer_rect.size()));
list->Finalize();
DrawDisplayList(pixels, layer_rect, list);
SkBitmap expected_bitmap;
unsigned char expected_pixels[4 * 100 * 100] = {0};
SkImageInfo info =
SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
SkiaPaintCanvas expected_canvas(expected_bitmap);
expected_canvas.clipRect(gfx::RectToSkRect(layer_rect));
expected_canvas.drawRect(
SkRect::MakeLTRB(0.f + offset.x(), 0.f + offset.y(), 60.f + offset.x(),
60.f + offset.y()),
red_paint);
expected_canvas.drawRect(
SkRect::MakeLTRB(50.f + offset.x(), 50.f + offset.y(), 75.f + offset.x(),
75.f + offset.y()),
blue_flags);
EXPECT_TRUE(CompareN32Pixels(pixels, expected_pixels, 100, 100));
}
TEST_F(DisplayItemListTest, EmptyUnpairedRangeDoesNotAddVisualRect) {
gfx::Rect layer_rect(100, 100);
auto list = base::MakeRefCounted<DisplayItemList>();
{
list->StartPaint();
list->EndPaintOfUnpaired(layer_rect);
}
// No ops.
EXPECT_EQ(0u, list->TotalOpCount());
{
list->StartPaint();
list->push<SaveOp>();
list->push<RestoreOp>();
list->EndPaintOfUnpaired(layer_rect);
}
// Two ops.
EXPECT_EQ(2u, list->TotalOpCount());
}
TEST_F(DisplayItemListTest, ClipPairedRange) {
gfx::Rect layer_rect(100, 100);
PaintFlags blue_flags;
blue_flags.setColor(SK_ColorBLUE);
PaintFlags red_paint;
red_paint.setColor(SK_ColorRED);
unsigned char pixels[4 * 100 * 100] = {0};
auto list = base::MakeRefCounted<DisplayItemList>();
gfx::Point first_offset(8, 9);
gfx::Rect first_recording_rect(first_offset, layer_rect.size());
{
list->StartPaint();
list->push<SaveOp>();
list->push<TranslateOp>(static_cast<float>(first_offset.x()),
static_cast<float>(first_offset.y()));
list->push<DrawRectOp>(SkRect::MakeWH(60, 60), red_paint);
list->push<RestoreOp>();
list->EndPaintOfUnpaired(first_recording_rect);
}
gfx::Rect clip_rect(60, 60, 10, 10);
{
list->StartPaint();
list->push<SaveOp>();
list->push<ClipRectOp>(gfx::RectToSkRect(clip_rect), SkClipOp::kIntersect,
true);
list->EndPaintOfPairedBegin();
}
gfx::Point second_offset(2, 3);
gfx::Rect second_recording_rect(second_offset, layer_rect.size());
{
list->StartPaint();
list->push<SaveOp>();
list->push<TranslateOp>(static_cast<float>(second_offset.x()),
static_cast<float>(second_offset.y()));
list->push<DrawRectOp>(SkRect::MakeLTRB(50.f, 50.f, 75.f, 75.f),
blue_flags);
list->push<RestoreOp>();
list->EndPaintOfUnpaired(second_recording_rect);
}
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
list->Finalize();
DrawDisplayList(pixels, layer_rect, list);
SkBitmap expected_bitmap;
unsigned char expected_pixels[4 * 100 * 100] = {0};
SkImageInfo info =
SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
SkiaPaintCanvas expected_canvas(expected_bitmap);
expected_canvas.clipRect(gfx::RectToSkRect(layer_rect));
expected_canvas.drawRect(
SkRect::MakeLTRB(0.f + first_offset.x(), 0.f + first_offset.y(),
60.f + first_offset.x(), 60.f + first_offset.y()),
red_paint);
expected_canvas.clipRect(gfx::RectToSkRect(clip_rect));
expected_canvas.drawRect(
SkRect::MakeLTRB(50.f + second_offset.x(), 50.f + second_offset.y(),
75.f + second_offset.x(), 75.f + second_offset.y()),
blue_flags);
EXPECT_TRUE(CompareN32Pixels(pixels, expected_pixels, 100, 100));
}
TEST_F(DisplayItemListTest, TransformPairedRange) {
gfx::Rect layer_rect(100, 100);
PaintFlags blue_flags;
blue_flags.setColor(SK_ColorBLUE);
PaintFlags red_paint;
red_paint.setColor(SK_ColorRED);
unsigned char pixels[4 * 100 * 100] = {0};
auto list = base::MakeRefCounted<DisplayItemList>();
gfx::Point first_offset(8, 9);
gfx::Rect first_recording_rect(first_offset, layer_rect.size());
{
list->StartPaint();
list->push<SaveOp>();
list->push<TranslateOp>(static_cast<float>(first_offset.x()),
static_cast<float>(first_offset.y()));
list->push<DrawRectOp>(SkRect::MakeWH(60, 60), red_paint);
list->push<RestoreOp>();
list->EndPaintOfUnpaired(first_recording_rect);
}
gfx::Transform transform;
transform.Rotate(45.0);
{
list->StartPaint();
list->push<SaveOp>();
list->push<ConcatOp>(transform.GetMatrixAsSkM44());
list->EndPaintOfPairedBegin();
}
gfx::Point second_offset(2, 3);
gfx::Rect second_recording_rect(second_offset, layer_rect.size());
{
list->StartPaint();
list->push<SaveOp>();
list->push<TranslateOp>(static_cast<float>(second_offset.x()),
static_cast<float>(second_offset.y()));
list->push<DrawRectOp>(SkRect::MakeLTRB(50.f, 50.f, 75.f, 75.f),
blue_flags);
list->push<RestoreOp>();
list->EndPaintOfUnpaired(second_recording_rect);
}
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
list->Finalize();
DrawDisplayList(pixels, layer_rect, list);
SkBitmap expected_bitmap;
unsigned char expected_pixels[4 * 100 * 100] = {0};
SkImageInfo info =
SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
SkiaPaintCanvas expected_canvas(expected_bitmap);
expected_canvas.clipRect(gfx::RectToSkRect(layer_rect));
expected_canvas.drawRect(
SkRect::MakeLTRB(0.f + first_offset.x(), 0.f + first_offset.y(),
60.f + first_offset.x(), 60.f + first_offset.y()),
red_paint);
expected_canvas.setMatrix(transform.matrix().asM33());
expected_canvas.drawRect(
SkRect::MakeLTRB(50.f + second_offset.x(), 50.f + second_offset.y(),
75.f + second_offset.x(), 75.f + second_offset.y()),
blue_flags);
EXPECT_TRUE(CompareN32Pixels(pixels, expected_pixels, 100, 100));
}
TEST_F(DisplayItemListTest, FilterPairedRange) {
gfx::Rect layer_rect(100, 100);
FilterOperations filters;
unsigned char pixels[4 * 100 * 100] = {0};
auto list = base::MakeRefCounted<DisplayItemList>();
sk_sp<SkSurface> source_surface = SkSurface::MakeRasterN32Premul(50, 50);
SkCanvas* source_canvas = source_surface->getCanvas();
source_canvas->clear(SkColorSetRGB(128, 128, 128));
PaintImage source_image = PaintImageBuilder::WithDefault()
.set_id(PaintImage::GetNextId())
.set_image(source_surface->makeImageSnapshot(),
PaintImage::GetNextContentId())
.TakePaintImage();
// For most SkImageFilters, the |dst| bounds computed by computeFastBounds are
// dependent on the provided |src| bounds. This means, for example, that
// translating |src| results in a corresponding translation of |dst|. But this
// is not the case for all SkImageFilters; for some of them (e.g.
// SkImageSource), the computation of |dst| in computeFastBounds doesn't
// involve |src| at all. Incorrectly assuming such a relationship (e.g. by
// translating |dst| after it is computed by computeFastBounds, rather than
// translating |src| before it provided to computedFastBounds) can cause
// incorrect clipping of filter output. To test for this, we include an
// SkImageSource filter in |filters|. Here, |src| is |filter_bounds|, defined
// below.
SkRect rect = SkRect::MakeWH(source_image.width(), source_image.height());
sk_sp<PaintFilter> image_filter = sk_make_sp<ImagePaintFilter>(
source_image, rect, rect, PaintFlags::FilterQuality::kHigh);
filters.Append(FilterOperation::CreateReferenceFilter(image_filter));
filters.Append(FilterOperation::CreateBrightnessFilter(0.5f));
gfx::RectF filter_bounds(10.f, 10.f, 50.f, 50.f);
{
list->StartPaint();
list->push<SaveOp>();
list->push<TranslateOp>(filter_bounds.x(), filter_bounds.y());
PaintFlags flags;
flags.setImageFilter(
RenderSurfaceFilters::BuildImageFilter(filters, filter_bounds.size()));
SkRect layer_bounds = gfx::RectFToSkRect(filter_bounds);
layer_bounds.offset(-filter_bounds.x(), -filter_bounds.y());
list->push<SaveLayerOp>(&layer_bounds, &flags);
list->push<TranslateOp>(-filter_bounds.x(), -filter_bounds.y());
list->EndPaintOfPairedBegin();
}
// Include a rect drawing so that filter is actually applied to something.
{
list->StartPaint();
PaintFlags red_flags;
red_flags.setColor(SK_ColorRED);
list->push<DrawRectOp>(
SkRect::MakeLTRB(filter_bounds.x(), filter_bounds.y(),
filter_bounds.right(), filter_bounds.bottom()),
red_flags);
list->EndPaintOfUnpaired(ToEnclosingRect(filter_bounds));
}
{
list->StartPaint();
list->push<RestoreOp>(); // For SaveLayerOp.
list->push<RestoreOp>(); // For SaveOp.
list->EndPaintOfPairedEnd();
}
list->Finalize();
DrawDisplayList(pixels, layer_rect, list);
SkBitmap expected_bitmap;
unsigned char expected_pixels[4 * 100 * 100] = {0};
PaintFlags paint;
paint.setColor(SkColorSetRGB(64, 64, 64));
SkImageInfo info =
SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
SkiaPaintCanvas expected_canvas(expected_bitmap);
expected_canvas.drawRect(RectFToSkRect(filter_bounds), paint);
EXPECT_TRUE(CompareN32Pixels(pixels, expected_pixels, 100, 100));
}
TEST_F(DisplayItemListTest, BytesUsed) {
const int kNumPaintOps = 1000;
size_t memory_usage;
auto list = base::MakeRefCounted<DisplayItemList>();
gfx::Rect layer_rect(100, 100);
PaintFlags blue_flags;
blue_flags.setColor(SK_ColorBLUE);
{
list->StartPaint();
for (int i = 0; i < kNumPaintOps; i++)
list->push<DrawRectOp>(SkRect::MakeWH(1, 1), blue_flags);
list->EndPaintOfUnpaired(layer_rect);
}
memory_usage = list->BytesUsed();
EXPECT_GE(memory_usage, sizeof(DrawRectOp) * kNumPaintOps);
EXPECT_LE(memory_usage, 2 * sizeof(DrawRectOp) * kNumPaintOps);
}
TEST_F(DisplayItemListTest, AsValueWithNoOps) {
auto list = base::MakeRefCounted<DisplayItemList>();
list->Finalize();
// Pass |true| to ask for PaintOps even though there are none.
std::unique_ptr<base::Value> root = ToBaseValue(list.get(), true);
const base::DictionaryValue* root_dict;
ASSERT_TRUE(root->GetAsDictionary(&root_dict));
// The traced value has a params dictionary as its root.
{
const base::DictionaryValue* params_dict;
ASSERT_TRUE(root_dict->GetDictionary("params", ¶ms_dict));
// The real contents of the traced value is in here.
{
const base::ListValue* params_list;
// The layer_rect field is present by empty.
ASSERT_TRUE(params_dict->GetList("layer_rect", ¶ms_list));
EXPECT_TRACED_RECT(0, 0, 0, 0, params_list);
// The items list is there but empty.
ASSERT_TRUE(params_dict->GetList("items", ¶ms_list));
EXPECT_EQ(0u, params_list->GetListDeprecated().size());
}
}
// Pass |false| to not include PaintOps.
root = ToBaseValue(list.get(), false);
ASSERT_TRUE(root->GetAsDictionary(&root_dict));
// The traced value has a params dictionary as its root.
{
const base::DictionaryValue* params_dict;
ASSERT_TRUE(root_dict->GetDictionary("params", ¶ms_dict));
// The real contents of the traced value is in here.
{
const base::ListValue* params_list;
// The layer_rect field is present by empty.
ASSERT_TRUE(params_dict->GetList("layer_rect", ¶ms_list));
EXPECT_TRACED_RECT(0, 0, 0, 0, params_list);
// The items list is not there since we asked for no ops.
ASSERT_FALSE(params_dict->GetList("items", ¶ms_list));
}
}
}
TEST_F(DisplayItemListTest, AsValueWithOps) {
gfx::Rect layer_rect = gfx::Rect(1, 2, 8, 9);
auto list = base::MakeRefCounted<DisplayItemList>();
gfx::Transform transform;
transform.Translate(6.f, 7.f);
{
list->StartPaint();
list->push<SaveOp>();
list->push<ConcatOp>(transform.GetMatrixAsSkM44());
list->EndPaintOfPairedBegin();
}
gfx::Point offset(2, 3);
gfx::Rect bounds(offset, layer_rect.size());
{
list->StartPaint();
PaintFlags red_paint;
red_paint.setColor(SK_ColorRED);
list->push<SaveLayerOp>(nullptr, &red_paint);
list->push<TranslateOp>(static_cast<float>(offset.x()),
static_cast<float>(offset.y()));
list->push<DrawRectOp>(SkRect::MakeWH(4, 4), red_paint);
list->push<RestoreOp>();
list->EndPaintOfUnpaired(bounds);
}
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
list->Finalize();
// Pass |true| to ask for PaintOps to be included.
std::unique_ptr<base::Value> root = ToBaseValue(list.get(), true);
const base::DictionaryValue* root_dict;
ASSERT_TRUE(root->GetAsDictionary(&root_dict));
// The traced value has a params dictionary as its root.
{
const base::DictionaryValue* params_dict;
ASSERT_TRUE(root_dict->GetDictionary("params", ¶ms_dict));
// The real contents of the traced value is in here.
{
const base::ListValue* layer_rect_list;
// The layer_rect field is present and has the bounds of the rtree.
ASSERT_TRUE(params_dict->GetList("layer_rect", &layer_rect_list));
EXPECT_TRACED_RECT(2, 3, 8, 9, layer_rect_list);
// The items list has 3 things in it since we built 3 visual rects.
const base::ListValue* items;
ASSERT_TRUE(params_dict->GetList("items", &items));
ASSERT_EQ(7u, items->GetListDeprecated().size());
const char* expected_names[] = {"Save", "Concat", "SaveLayer",
"Translate", "DrawRect", "Restore",
"Restore"};
bool expected_has_skp[] = {false, true, true, true, true, false, false};
for (int i = 0; i < 7; ++i) {
const base::Value& item_value = items->GetListDeprecated()[i];
ASSERT_TRUE(item_value.is_dict());
const base::DictionaryValue& item_dict =
base::Value::AsDictionaryValue(item_value);
const base::ListValue* visual_rect;
ASSERT_TRUE(item_dict.GetList("visual_rect", &visual_rect));
EXPECT_TRACED_RECT(2, 3, 8, 9, visual_rect);
std::string name;
EXPECT_TRUE(item_dict.GetString("name", &name));
EXPECT_EQ(expected_names[i], name);
EXPECT_EQ(
expected_has_skp[i],
item_dict.GetString("skp64", static_cast<std::string*>(nullptr)));
}
}
}
// Pass |false| to not include PaintOps.
root = ToBaseValue(list.get(), false);
ASSERT_TRUE(root->GetAsDictionary(&root_dict));
// The traced value has a params dictionary as its root.
{
const base::DictionaryValue* params_dict;
ASSERT_TRUE(root_dict->GetDictionary("params", ¶ms_dict));
// The real contents of the traced value is in here.
{
const base::ListValue* params_list;
// The layer_rect field is present and has the bounds of the rtree.
ASSERT_TRUE(params_dict->GetList("layer_rect", ¶ms_list));
EXPECT_TRACED_RECT(2, 3, 8, 9, params_list);
// The items list is not present since we asked for no ops.
ASSERT_FALSE(params_dict->GetList("items", ¶ms_list));
}
}
}
TEST_F(DisplayItemListTest, SizeEmpty) {
auto list = base::MakeRefCounted<DisplayItemList>();
EXPECT_EQ(0u, list->TotalOpCount());
}
TEST_F(DisplayItemListTest, SizeOne) {
auto list = base::MakeRefCounted<DisplayItemList>();
gfx::Rect drawing_bounds(5, 6, 1, 1);
{
list->StartPaint();
list->push<DrawRectOp>(gfx::RectToSkRect(drawing_bounds), PaintFlags());
list->EndPaintOfUnpaired(drawing_bounds);
}
EXPECT_EQ(1u, list->TotalOpCount());
}
TEST_F(DisplayItemListTest, SizeMultiple) {
auto list = base::MakeRefCounted<DisplayItemList>();
gfx::Rect clip_bounds(5, 6, 7, 8);
{
list->StartPaint();
list->push<SaveOp>();
list->push<ClipRectOp>(gfx::RectToSkRect(clip_bounds), SkClipOp::kIntersect,
false);
list->EndPaintOfPairedBegin();
}
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
EXPECT_EQ(3u, list->TotalOpCount());
}
TEST_F(DisplayItemListTest, AppendVisualRectSimple) {
auto list = base::MakeRefCounted<DisplayItemList>();
// One drawing: D.
gfx::Rect drawing_bounds(5, 6, 7, 8);
{
list->StartPaint();
list->push<DrawRectOp>(gfx::RectToSkRect(drawing_bounds), PaintFlags());
list->EndPaintOfUnpaired(drawing_bounds);
}
EXPECT_EQ(1u, list->TotalOpCount());
EXPECT_EQ(drawing_bounds, list->VisualRectForTesting(0));
}
TEST_F(DisplayItemListTest, AppendVisualRectEmptyBlock) {
auto list = base::MakeRefCounted<DisplayItemList>();
// One block: B1, E1.
gfx::Rect clip_bounds(5, 6, 7, 8);
{
list->StartPaint();
list->push<SaveOp>();
list->push<ClipRectOp>(gfx::RectToSkRect(clip_bounds), SkClipOp::kIntersect,
false);
list->EndPaintOfPairedBegin();
}
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
EXPECT_EQ(3u, list->TotalOpCount());
EXPECT_EQ(gfx::Rect(), list->VisualRectForTesting(0));
EXPECT_EQ(gfx::Rect(), list->VisualRectForTesting(1));
EXPECT_EQ(gfx::Rect(), list->VisualRectForTesting(2));
}
TEST_F(DisplayItemListTest, AppendVisualRectEmptyBlockContainingEmptyBlock) {
auto list = base::MakeRefCounted<DisplayItemList>();
// Two nested blocks: B1, B2, E2, E1.
gfx::Rect clip_bounds(5, 6, 7, 8);
{
list->StartPaint();
list->push<SaveOp>();
list->push<ClipRectOp>(gfx::RectToSkRect(clip_bounds), SkClipOp::kIntersect,
false);
list->EndPaintOfPairedBegin();
}
{
list->StartPaint();
list->push<SaveOp>();
list->EndPaintOfPairedBegin();
}
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
EXPECT_EQ(5u, list->TotalOpCount());
EXPECT_EQ(gfx::Rect(), list->VisualRectForTesting(0));
EXPECT_EQ(gfx::Rect(), list->VisualRectForTesting(1));
EXPECT_EQ(gfx::Rect(), list->VisualRectForTesting(2));
EXPECT_EQ(gfx::Rect(), list->VisualRectForTesting(3));
EXPECT_EQ(gfx::Rect(), list->VisualRectForTesting(4));
}
TEST_F(DisplayItemListTest, AppendVisualRectBlockContainingDrawing) {
auto list = base::MakeRefCounted<DisplayItemList>();
// One block with one drawing: B1, Da, E1.
gfx::Rect clip_bounds(5, 6, 7, 8);
{
list->StartPaint();
list->push<SaveOp>();
list->push<ClipRectOp>(gfx::RectToSkRect(clip_bounds), SkClipOp::kIntersect,
false);
list->EndPaintOfPairedBegin();
}
gfx::Rect drawing_bounds(5, 6, 1, 1);
{
list->StartPaint();
list->push<DrawRectOp>(gfx::RectToSkRect(drawing_bounds), PaintFlags());
list->EndPaintOfUnpaired(drawing_bounds);
}
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
EXPECT_EQ(4u, list->TotalOpCount());
EXPECT_EQ(drawing_bounds, list->VisualRectForTesting(0));
EXPECT_EQ(drawing_bounds, list->VisualRectForTesting(1));
EXPECT_EQ(drawing_bounds, list->VisualRectForTesting(2));
EXPECT_EQ(drawing_bounds, list->VisualRectForTesting(3));
}
TEST_F(DisplayItemListTest, AppendVisualRectBlockContainingEscapedDrawing) {
auto list = base::MakeRefCounted<DisplayItemList>();
// One block with one drawing: B1, Da (escapes), E1.
gfx::Rect clip_bounds(5, 6, 7, 8);
{
list->StartPaint();
list->push<SaveOp>();
list->push<ClipRectOp>(gfx::RectToSkRect(clip_bounds), SkClipOp::kIntersect,
false);
list->EndPaintOfPairedBegin();
}
gfx::Rect drawing_bounds(1, 2, 3, 4);
{
list->StartPaint();
list->push<DrawRectOp>(gfx::RectToSkRect(drawing_bounds), PaintFlags());
list->EndPaintOfUnpaired(drawing_bounds);
}
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
EXPECT_EQ(4u, list->TotalOpCount());
EXPECT_EQ(drawing_bounds, list->VisualRectForTesting(0));
EXPECT_EQ(drawing_bounds, list->VisualRectForTesting(1));
EXPECT_EQ(drawing_bounds, list->VisualRectForTesting(2));
EXPECT_EQ(drawing_bounds, list->VisualRectForTesting(3));
}
TEST_F(DisplayItemListTest,
AppendVisualRectDrawingFollowedByBlockContainingEscapedDrawing) {
auto list = base::MakeRefCounted<DisplayItemList>();
// One drawing followed by one block with one drawing: Da, B1, Db (escapes),
// E1.
gfx::Rect drawing_a_bounds(1, 2, 3, 4);
{
list->StartPaint();
list->push<DrawRectOp>(gfx::RectToSkRect(drawing_a_bounds), PaintFlags());
list->EndPaintOfUnpaired(drawing_a_bounds);
}
gfx::Rect clip_bounds(5, 6, 7, 8);
{
list->StartPaint();
list->push<SaveOp>();
list->push<ClipRectOp>(gfx::RectToSkRect(clip_bounds), SkClipOp::kIntersect,
false);
list->EndPaintOfPairedBegin();
}
gfx::Rect drawing_b_bounds(13, 14, 1, 1);
{
list->StartPaint();
list->push<DrawRectOp>(gfx::RectToSkRect(drawing_b_bounds), PaintFlags());
list->EndPaintOfUnpaired(drawing_b_bounds);
}
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
EXPECT_EQ(5u, list->TotalOpCount());
EXPECT_EQ(drawing_a_bounds, list->VisualRectForTesting(0));
EXPECT_EQ(drawing_b_bounds, list->VisualRectForTesting(1));
EXPECT_EQ(drawing_b_bounds, list->VisualRectForTesting(2));
EXPECT_EQ(drawing_b_bounds, list->VisualRectForTesting(3));
EXPECT_EQ(drawing_b_bounds, list->VisualRectForTesting(4));
}
TEST_F(DisplayItemListTest, AppendVisualRectTwoBlocksTwoDrawings) {
auto list = base::MakeRefCounted<DisplayItemList>();
// Multiple nested blocks with drawings amidst: B1, Da, B2, Db, E2, E1.
gfx::Rect clip_bounds(5, 6, 7, 8);
{
list->StartPaint();
list->push<SaveOp>();
list->push<ClipRectOp>(gfx::RectToSkRect(clip_bounds), SkClipOp::kIntersect,
false);
list->EndPaintOfPairedBegin();
}
gfx::Rect drawing_a_bounds(5, 6, 1, 1);
{
list->StartPaint();
list->push<DrawRectOp>(gfx::RectToSkRect(drawing_a_bounds), PaintFlags());
list->EndPaintOfUnpaired(drawing_a_bounds);
}
{
list->StartPaint();
list->push<SaveOp>();
list->push<ConcatOp>(SkM44());
list->EndPaintOfPairedBegin();
}
gfx::Rect drawing_b_bounds(7, 8, 1, 1);
{
list->StartPaint();
list->push<DrawRectOp>(gfx::RectToSkRect(drawing_b_bounds), PaintFlags());
list->EndPaintOfUnpaired(drawing_b_bounds);
}
// End transform.
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
// End clip.
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
EXPECT_EQ(8u, list->TotalOpCount());
gfx::Rect merged_drawing_bounds = gfx::Rect(drawing_a_bounds);
merged_drawing_bounds.Union(drawing_b_bounds);
EXPECT_EQ(merged_drawing_bounds, list->VisualRectForTesting(0));
EXPECT_EQ(merged_drawing_bounds, list->VisualRectForTesting(1));
EXPECT_EQ(drawing_a_bounds, list->VisualRectForTesting(2));
EXPECT_EQ(drawing_b_bounds, list->VisualRectForTesting(3));
EXPECT_EQ(drawing_b_bounds, list->VisualRectForTesting(4));
EXPECT_EQ(drawing_b_bounds, list->VisualRectForTesting(5));
EXPECT_EQ(drawing_b_bounds, list->VisualRectForTesting(6));
EXPECT_EQ(merged_drawing_bounds, list->VisualRectForTesting(7));
}
TEST_F(DisplayItemListTest,
AppendVisualRectTwoBlocksTwoDrawingsInnerDrawingEscaped) {
auto list = base::MakeRefCounted<DisplayItemList>();
// Multiple nested blocks with drawings amidst: B1, Da, B2, Db (escapes), E2,
// E1.
gfx::Rect clip_bounds(5, 6, 7, 8);
{
list->StartPaint();
list->push<SaveOp>();
list->push<ClipRectOp>(gfx::RectToSkRect(clip_bounds), SkClipOp::kIntersect,
false);
list->EndPaintOfPairedBegin();
}
gfx::Rect drawing_a_bounds(5, 6, 1, 1);
{
list->StartPaint();
list->push<DrawRectOp>(gfx::RectToSkRect(drawing_a_bounds), PaintFlags());
list->EndPaintOfUnpaired(drawing_a_bounds);
}
{
list->StartPaint();
list->push<SaveOp>();
list->push<ConcatOp>(SkM44());
list->EndPaintOfPairedBegin();
}
gfx::Rect drawing_b_bounds(1, 2, 3, 4);
{
list->StartPaint();
list->push<DrawRectOp>(gfx::RectToSkRect(drawing_b_bounds), PaintFlags());
list->EndPaintOfUnpaired(drawing_b_bounds);
}
// End transform.
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
// End clip.
{
list->StartPaint();
list->push<RestoreOp>();
list->EndPaintOfPairedEnd();
}
EXPECT_EQ(8u, list->TotalOpCount());
gfx::Rect merged_drawing_bounds = gfx::Rect(drawing_a_bounds);
merged_drawing_bounds.Union(drawing_b_bounds);
EXPECT_EQ(merged_drawing_bounds, list->VisualRectForTesting(0));
EXPECT_EQ(merged_drawing_bounds, list->VisualRectForTesting(1));
EXPECT_EQ(drawing_a_bounds, list->VisualRectForTesting(2));
EXPECT_EQ(drawing_b_bounds, list->VisualRectForTesting(3));
EXPECT_EQ(drawing_b_bounds, list->VisualRectForTesting(4));
EXPECT_EQ(drawing_b_bounds, list->VisualRectForTesting(5));
EXPECT_EQ(drawing_b_bounds, list->VisualRectForTesting(6));
EXPECT_EQ(merged_drawing_bounds, list->VisualRectForTesting(7));
}
TEST_F(DisplayItemListTest,
AppendVisualRectTwoBlocksTwoDrawingsOuterDrawingEscaped) {
auto list = base::MakeRefCounted<DisplayItemList>();
// Multiple nested blocks with drawings amidst: B1, Da (escapes), B2, Db, E2,
// E1.
gfx::Rect clip_bounds(5, 6, 7, 8);
{
list->StartPaint();
list->push<SaveOp>();
list->push<ClipRectOp>(gfx::RectToSkRect(clip_bounds), SkClipOp::kIntersect,
false);
list->EndPaintOfPairedBegin();
}
gfx::Rect drawing_a_bounds(1, 2, 3, 4);
{
list->StartPaint();
list->push<DrawRectOp>(gfx::RectToSkRect(drawing_a_bounds), PaintFlags());
list->EndPaintOfUnpaired(drawing_a_bounds);
}
{
list->StartPaint();
list->push<SaveOp>();
list->push<ConcatOp>(SkM44());
list->EndPaintOfPairedBegin();
}
gfx::Rect drawing_b_bounds(7, 8, 1, 1);
{
list->StartPaint();
list->push<DrawRectOp>(gfx::RectToSkRect(drawing_b_bounds), PaintFlags());
list->EndPaintOfUnpaired(drawing_b_bounds);
}
// End transform.
{
list->StartPaint();
list->push<RestoreOp>();