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discardable_image_map_unittest.cc
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discardable_image_map_unittest.cc
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// Copyright 2015 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/discardable_image_map.h"
#include <stddef.h>
#include <memory>
#include "base/memory/ref_counted.h"
#include "base/test/gtest_util.h"
#include "base/values.h"
#include "cc/base/region.h"
#include "cc/paint/paint_flags.h"
#include "cc/paint/paint_op_buffer.h"
#include "cc/paint/paint_recorder.h"
#include "cc/test/fake_content_layer_client.h"
#include "cc/test/fake_recording_source.h"
#include "cc/test/skia_common.h"
#include "cc/test/test_paint_worklet_input.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkGraphics.h"
#include "third_party/skia/include/core/SkImageGenerator.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "ui/gfx/color_space.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/skia_util.h"
namespace cc {
namespace {
struct PositionScaleDrawImage {
PositionScaleDrawImage(const PaintImage& image,
const gfx::Rect& image_rect,
const SkSize& scale)
: image(image), image_rect(image_rect), scale(scale) {}
PaintImage image;
gfx::Rect image_rect;
SkSize scale;
};
sk_sp<PaintOpBuffer> CreateRecording(const PaintImage& discardable_image,
const gfx::Rect& visible_rect) {
auto buffer = sk_make_sp<PaintOpBuffer>();
buffer->push<DrawImageOp>(discardable_image, 0.f, 0.f, nullptr);
return buffer;
}
} // namespace
class DiscardableImageMapTest : public testing::Test {
public:
std::vector<PositionScaleDrawImage> GetDiscardableImagesInRect(
const DiscardableImageMap& image_map,
const gfx::Rect& rect) {
std::vector<const DrawImage*> draw_image_ptrs;
// Choose a not-SRGB-and-not-invalid target color space to verify that it
// is passed correctly to the resulting DrawImages.
gfx::ColorSpace target_color_space = gfx::ColorSpace::CreateXYZD50();
image_map.GetDiscardableImagesInRect(rect, &draw_image_ptrs);
std::vector<DrawImage> draw_images;
for (const auto* image : draw_image_ptrs)
draw_images.push_back(DrawImage(
*image, 1.f, PaintImage::kDefaultFrameIndex, target_color_space));
std::vector<PositionScaleDrawImage> position_draw_images;
std::vector<DrawImage> results;
image_map.images_rtree_.Search(rect, &results);
for (DrawImage& image : results) {
auto image_id = image.paint_image().stable_id();
position_draw_images.push_back(PositionScaleDrawImage(
image.paint_image(),
ImageRectsToRegion(image_map.GetRectsForImage(image_id)).bounds(),
image.scale()));
}
EXPECT_EQ(draw_images.size(), position_draw_images.size());
for (size_t i = 0; i < draw_images.size(); ++i) {
EXPECT_TRUE(draw_images[i].paint_image() ==
position_draw_images[i].image);
EXPECT_EQ(draw_images[i].target_color_space(), target_color_space);
}
return position_draw_images;
}
// Note that the image rtree outsets the images by 1, see the comment in
// DiscardableImagesMetadataCanvas::AddImage.
std::vector<gfx::Rect> InsetImageRects(
const std::vector<PositionScaleDrawImage>& images) {
std::vector<gfx::Rect> result;
for (auto& image : images) {
result.push_back(image.image_rect);
result.back().Inset(1, 1, 1, 1);
}
return result;
}
};
TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectTest) {
gfx::Rect visible_rect(2048, 2048);
FakeContentLayerClient content_layer_client;
content_layer_client.set_bounds(visible_rect.size());
// Discardable pixel refs are found in the following grids:
// |---|---|---|---|
// | | x | | x |
// |---|---|---|---|
// | x | | x | |
// |---|---|---|---|
// | | x | | x |
// |---|---|---|---|
// | x | | x | |
// |---|---|---|---|
PaintImage discardable_image[4][4];
for (int y = 0; y < 4; ++y) {
for (int x = 0; x < 4; ++x) {
if ((x + y) & 1) {
discardable_image[y][x] =
CreateDiscardablePaintImage(gfx::Size(500, 500));
PaintFlags flags;
content_layer_client.add_draw_image(
discardable_image[y][x], gfx::Point(x * 512 + 6, y * 512 + 6),
flags);
}
}
}
scoped_refptr<DisplayItemList> display_list =
content_layer_client.PaintContentsToDisplayList(
ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
display_list->GenerateDiscardableImagesMetadata();
const DiscardableImageMap& image_map = display_list->discardable_image_map();
for (int y = 0; y < 4; ++y) {
for (int x = 0; x < 4; ++x) {
std::vector<PositionScaleDrawImage> images = GetDiscardableImagesInRect(
image_map, gfx::Rect(x * 512, y * 512, 500, 500));
std::vector<gfx::Rect> inset_rects = InsetImageRects(images);
if ((x + y) & 1) {
EXPECT_EQ(1u, images.size()) << x << " " << y;
EXPECT_TRUE(images[0].image == discardable_image[y][x])
<< x << " " << y;
EXPECT_EQ(gfx::Rect(x * 512 + 6, y * 512 + 6, 500, 500),
inset_rects[0]);
} else {
EXPECT_EQ(0u, images.size()) << x << " " << y;
}
}
}
// Capture 4 pixel refs.
std::vector<PositionScaleDrawImage> images =
GetDiscardableImagesInRect(image_map, gfx::Rect(512, 512, 2048, 2048));
std::vector<gfx::Rect> inset_rects = InsetImageRects(images);
EXPECT_EQ(4u, images.size());
EXPECT_TRUE(images[0].image == discardable_image[1][2]);
EXPECT_EQ(gfx::Rect(2 * 512 + 6, 512 + 6, 500, 500), inset_rects[0]);
EXPECT_TRUE(images[1].image == discardable_image[2][1]);
EXPECT_EQ(gfx::Rect(512 + 6, 2 * 512 + 6, 500, 500), inset_rects[1]);
EXPECT_TRUE(images[2].image == discardable_image[2][3]);
EXPECT_EQ(gfx::Rect(3 * 512 + 6, 2 * 512 + 6, 500, 500), inset_rects[2]);
EXPECT_TRUE(images[3].image == discardable_image[3][2]);
EXPECT_EQ(gfx::Rect(2 * 512 + 6, 3 * 512 + 6, 500, 500), inset_rects[3]);
}
TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectNonZeroLayer) {
gfx::Rect visible_rect(1024, 0, 2048, 2048);
// Make sure visible rect fits into the layer size.
gfx::Size layer_size(visible_rect.right(), visible_rect.bottom());
FakeContentLayerClient content_layer_client;
content_layer_client.set_bounds(layer_size);
// Discardable pixel refs are found in the following grids:
// |---|---|---|---|
// | | x | | x |
// |---|---|---|---|
// | x | | x | |
// |---|---|---|---|
// | | x | | x |
// |---|---|---|---|
// | x | | x | |
// |---|---|---|---|
PaintImage discardable_image[4][4];
for (int y = 0; y < 4; ++y) {
for (int x = 0; x < 4; ++x) {
if ((x + y) & 1) {
discardable_image[y][x] =
CreateDiscardablePaintImage(gfx::Size(500, 500));
PaintFlags flags;
content_layer_client.add_draw_image(
discardable_image[y][x],
gfx::Point(1024 + x * 512 + 6, y * 512 + 6), flags);
}
}
}
scoped_refptr<DisplayItemList> display_list =
content_layer_client.PaintContentsToDisplayList(
ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
display_list->GenerateDiscardableImagesMetadata();
const DiscardableImageMap& image_map = display_list->discardable_image_map();
for (int y = 0; y < 4; ++y) {
for (int x = 0; x < 4; ++x) {
std::vector<PositionScaleDrawImage> images = GetDiscardableImagesInRect(
image_map, gfx::Rect(1024 + x * 512, y * 512, 500, 500));
std::vector<gfx::Rect> inset_rects = InsetImageRects(images);
if ((x + y) & 1) {
EXPECT_EQ(1u, images.size()) << x << " " << y;
EXPECT_TRUE(images[0].image == discardable_image[y][x])
<< x << " " << y;
EXPECT_EQ(gfx::Rect(1024 + x * 512 + 6, y * 512 + 6, 500, 500),
inset_rects[0]);
} else {
EXPECT_EQ(0u, images.size()) << x << " " << y;
}
}
}
// Capture 4 pixel refs.
{
std::vector<PositionScaleDrawImage> images = GetDiscardableImagesInRect(
image_map, gfx::Rect(1024 + 512, 512, 2048, 2048));
std::vector<gfx::Rect> inset_rects = InsetImageRects(images);
EXPECT_EQ(4u, images.size());
EXPECT_TRUE(images[0].image == discardable_image[1][2]);
EXPECT_EQ(gfx::Rect(1024 + 2 * 512 + 6, 512 + 6, 500, 500), inset_rects[0]);
EXPECT_TRUE(images[1].image == discardable_image[2][1]);
EXPECT_EQ(gfx::Rect(1024 + 512 + 6, 2 * 512 + 6, 500, 500), inset_rects[1]);
EXPECT_TRUE(images[2].image == discardable_image[2][3]);
EXPECT_EQ(gfx::Rect(1024 + 3 * 512 + 6, 2 * 512 + 6, 500, 500),
inset_rects[2]);
EXPECT_TRUE(images[3].image == discardable_image[3][2]);
EXPECT_EQ(gfx::Rect(1024 + 2 * 512 + 6, 3 * 512 + 6, 500, 500),
inset_rects[3]);
}
// Non intersecting rects
{
std::vector<PositionScaleDrawImage> images =
GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1000, 1000));
EXPECT_EQ(0u, images.size());
}
{
std::vector<PositionScaleDrawImage> images =
GetDiscardableImagesInRect(image_map, gfx::Rect(3500, 0, 1000, 1000));
EXPECT_EQ(0u, images.size());
}
{
std::vector<PositionScaleDrawImage> images =
GetDiscardableImagesInRect(image_map, gfx::Rect(0, 1100, 1000, 1000));
EXPECT_EQ(0u, images.size());
}
{
std::vector<PositionScaleDrawImage> images = GetDiscardableImagesInRect(
image_map, gfx::Rect(3500, 1100, 1000, 1000));
EXPECT_EQ(0u, images.size());
}
// Image not present in the list.
{
PaintImage image = CreateDiscardablePaintImage(gfx::Size(500, 500));
EXPECT_EQ(image_map.GetRectsForImage(image.stable_id())->size(), 0u);
}
}
TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectOnePixelQuery) {
gfx::Rect visible_rect(2048, 2048);
FakeContentLayerClient content_layer_client;
content_layer_client.set_bounds(visible_rect.size());
// Discardable pixel refs are found in the following grids:
// |---|---|---|---|
// | | x | | x |
// |---|---|---|---|
// | x | | x | |
// |---|---|---|---|
// | | x | | x |
// |---|---|---|---|
// | x | | x | |
// |---|---|---|---|
PaintImage discardable_image[4][4];
for (int y = 0; y < 4; ++y) {
for (int x = 0; x < 4; ++x) {
if ((x + y) & 1) {
discardable_image[y][x] =
CreateDiscardablePaintImage(gfx::Size(500, 500));
PaintFlags flags;
content_layer_client.add_draw_image(
discardable_image[y][x], gfx::Point(x * 512 + 6, y * 512 + 6),
flags);
}
}
}
scoped_refptr<DisplayItemList> display_list =
content_layer_client.PaintContentsToDisplayList(
ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
display_list->GenerateDiscardableImagesMetadata();
const DiscardableImageMap& image_map = display_list->discardable_image_map();
for (int y = 0; y < 4; ++y) {
for (int x = 0; x < 4; ++x) {
std::vector<PositionScaleDrawImage> images = GetDiscardableImagesInRect(
image_map, gfx::Rect(x * 512 + 256, y * 512 + 256, 1, 1));
std::vector<gfx::Rect> inset_rects = InsetImageRects(images);
if ((x + y) & 1) {
EXPECT_EQ(1u, images.size()) << x << " " << y;
EXPECT_TRUE(images[0].image == discardable_image[y][x])
<< x << " " << y;
EXPECT_EQ(gfx::Rect(x * 512 + 6, y * 512 + 6, 500, 500),
inset_rects[0]);
} else {
EXPECT_EQ(0u, images.size()) << x << " " << y;
}
}
}
}
TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectMassiveImage) {
gfx::Rect visible_rect(2048, 2048);
FakeContentLayerClient content_layer_client;
content_layer_client.set_bounds(visible_rect.size());
PaintImage discardable_image =
CreateDiscardablePaintImage(gfx::Size(1 << 25, 1 << 25), nullptr,
false /* allocate_encoded_memory */);
PaintFlags flags;
content_layer_client.add_draw_image(discardable_image, gfx::Point(0, 0),
flags);
scoped_refptr<DisplayItemList> display_list =
content_layer_client.PaintContentsToDisplayList(
ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
display_list->GenerateDiscardableImagesMetadata();
const DiscardableImageMap& image_map = display_list->discardable_image_map();
std::vector<PositionScaleDrawImage> images =
GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1, 1));
std::vector<gfx::Rect> inset_rects = InsetImageRects(images);
EXPECT_EQ(1u, images.size());
EXPECT_TRUE(images[0].image == discardable_image);
EXPECT_EQ(gfx::Rect(0, 0, 2048, 2048), inset_rects[0]);
}
TEST_F(DiscardableImageMapTest, PaintDestroyedWhileImageIsDrawn) {
gfx::Rect visible_rect(2048, 2048);
FakeContentLayerClient content_layer_client;
content_layer_client.set_bounds(visible_rect.size());
PaintImage discardable_image = CreateDiscardablePaintImage(gfx::Size(10, 10));
sk_sp<PaintRecord> record = CreateRecording(discardable_image, visible_rect);
scoped_refptr<DisplayItemList> display_list = new DisplayItemList;
PaintFlags paint;
display_list->StartPaint();
SkRect visible_sk_rect(gfx::RectToSkRect(visible_rect));
display_list->push<SaveLayerOp>(&visible_sk_rect, &paint);
display_list->push<DrawRecordOp>(std::move(record));
display_list->push<RestoreOp>();
display_list->EndPaintOfUnpaired(visible_rect);
display_list->Finalize();
display_list->GenerateDiscardableImagesMetadata();
const DiscardableImageMap& image_map = display_list->discardable_image_map();
std::vector<PositionScaleDrawImage> images =
GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1, 1));
EXPECT_EQ(1u, images.size());
EXPECT_TRUE(images[0].image == discardable_image);
}
TEST_F(DiscardableImageMapTest, NullPaintOnSaveLayer) {
gfx::Rect visible_rect(2048, 2048);
FakeContentLayerClient content_layer_client;
content_layer_client.set_bounds(visible_rect.size());
PaintImage discardable_image = CreateDiscardablePaintImage(gfx::Size(10, 10));
sk_sp<PaintRecord> record = CreateRecording(discardable_image, visible_rect);
scoped_refptr<DisplayItemList> display_list = new DisplayItemList;
display_list->StartPaint();
SkRect visible_sk_rect(gfx::RectToSkRect(visible_rect));
display_list->push<SaveLayerOp>(&visible_sk_rect, nullptr);
display_list->push<DrawRecordOp>(std::move(record));
display_list->push<RestoreOp>();
display_list->EndPaintOfUnpaired(visible_rect);
display_list->Finalize();
display_list->GenerateDiscardableImagesMetadata();
const DiscardableImageMap& image_map = display_list->discardable_image_map();
std::vector<PositionScaleDrawImage> images =
GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1, 1));
EXPECT_EQ(1u, images.size());
EXPECT_TRUE(images[0].image == discardable_image);
}
TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectMaxImage) {
gfx::Rect visible_rect(2048, 2048);
FakeContentLayerClient content_layer_client;
content_layer_client.set_bounds(visible_rect.size());
int dimension = std::numeric_limits<int>::max();
sk_sp<SkColorSpace> no_color_space;
PaintImage discardable_image = CreateDiscardablePaintImage(
gfx::Size(dimension, dimension), no_color_space,
false /* allocate_encoded_memory */);
PaintFlags flags;
content_layer_client.add_draw_image(discardable_image, gfx::Point(42, 42),
flags);
scoped_refptr<DisplayItemList> display_list =
content_layer_client.PaintContentsToDisplayList(
ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
display_list->GenerateDiscardableImagesMetadata();
const DiscardableImageMap& image_map = display_list->discardable_image_map();
std::vector<PositionScaleDrawImage> images =
GetDiscardableImagesInRect(image_map, gfx::Rect(42, 42, 1, 1));
std::vector<gfx::Rect> inset_rects = InsetImageRects(images);
EXPECT_EQ(1u, images.size());
EXPECT_TRUE(images[0].image == discardable_image);
EXPECT_EQ(gfx::Rect(42, 42, 2006, 2006), inset_rects[0]);
}
TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectMaxImageMaxLayer) {
// At large values of integer x, x != static_cast<int>(static_cast<float>(x)).
// So, make sure the dimension can be converted back and forth for the
// purposes of the unittest. Also, at near max int values, Skia seems to skip
// some draw calls, so we subtract 64 since we only care about "really large"
// values, not necessarily max int values.
int dimension = static_cast<int>(
static_cast<float>(std::numeric_limits<int>::max() - 64));
gfx::Rect visible_rect(dimension, dimension);
FakeContentLayerClient content_layer_client;
content_layer_client.set_bounds(visible_rect.size());
sk_sp<SkColorSpace> no_color_space;
PaintImage discardable_image1 = CreateDiscardablePaintImage(
gfx::Size(dimension, dimension), no_color_space,
false /* allocate_encoded_memory */);
PaintImage discardable_image2 = CreateDiscardablePaintImage(
gfx::Size(dimension, dimension), no_color_space,
false /* allocate_encoded_memory */);
PaintImage discardable_image3 = CreateDiscardablePaintImage(
gfx::Size(dimension, dimension), no_color_space,
false /* allocate_encoded_memory */);
PaintFlags flags;
content_layer_client.add_draw_image(discardable_image1, gfx::Point(0, 0),
flags);
content_layer_client.add_draw_image(discardable_image2, gfx::Point(10000, 0),
flags);
content_layer_client.add_draw_image(discardable_image3,
gfx::Point(-10000, 500), flags);
scoped_refptr<DisplayItemList> display_list =
content_layer_client.PaintContentsToDisplayList(
ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
display_list->GenerateDiscardableImagesMetadata();
const DiscardableImageMap& image_map = display_list->discardable_image_map();
std::vector<PositionScaleDrawImage> images =
GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1, 1));
std::vector<gfx::Rect> inset_rects = InsetImageRects(images);
EXPECT_EQ(1u, images.size());
EXPECT_EQ(gfx::Rect(0, 0, dimension, dimension), inset_rects[0]);
images = GetDiscardableImagesInRect(image_map, gfx::Rect(10000, 0, 1, 1));
inset_rects = InsetImageRects(images);
EXPECT_EQ(2u, images.size());
EXPECT_EQ(gfx::Rect(10000, 0, dimension - 10000, dimension), inset_rects[1]);
EXPECT_EQ(gfx::Rect(0, 0, dimension, dimension), inset_rects[0]);
// Since we adjust negative offsets before using ToEnclosingRect, the expected
// width will be converted to float, which means that we lose some precision.
// The expected value is whatever the value is converted to float and then
// back to int.
int expected10k = static_cast<int>(static_cast<float>(dimension - 10000));
images = GetDiscardableImagesInRect(image_map, gfx::Rect(0, 500, 1, 1));
inset_rects = InsetImageRects(images);
EXPECT_EQ(2u, images.size());
EXPECT_EQ(gfx::Rect(0, 500, expected10k, dimension - 500), inset_rects[1]);
EXPECT_EQ(gfx::Rect(0, 0, dimension, dimension), inset_rects[0]);
}
TEST_F(DiscardableImageMapTest, GetDiscardableImagesRectInBounds) {
gfx::Rect visible_rect(1000, 1000);
FakeContentLayerClient content_layer_client;
content_layer_client.set_bounds(visible_rect.size());
PaintImage discardable_image1 =
CreateDiscardablePaintImage(gfx::Size(100, 100));
PaintImage discardable_image2 =
CreateDiscardablePaintImage(gfx::Size(100, 100));
PaintImage long_discardable_image =
CreateDiscardablePaintImage(gfx::Size(10000, 100));
PaintFlags flags;
content_layer_client.add_draw_image(discardable_image1, gfx::Point(-10, -11),
flags);
content_layer_client.add_draw_image(discardable_image2, gfx::Point(950, 951),
flags);
content_layer_client.add_draw_image(long_discardable_image,
gfx::Point(-100, 500), flags);
scoped_refptr<DisplayItemList> display_list =
content_layer_client.PaintContentsToDisplayList(
ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
display_list->GenerateDiscardableImagesMetadata();
const DiscardableImageMap& image_map = display_list->discardable_image_map();
std::vector<PositionScaleDrawImage> images =
GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1, 1));
std::vector<gfx::Rect> inset_rects = InsetImageRects(images);
ASSERT_EQ(1u, images.size());
EXPECT_EQ(gfx::Rect(0, 0, 90, 89), inset_rects[0]);
images = GetDiscardableImagesInRect(image_map, gfx::Rect(999, 999, 1, 1));
inset_rects = InsetImageRects(images);
ASSERT_EQ(1u, images.size());
EXPECT_EQ(gfx::Rect(950, 951, 50, 49), inset_rects[0]);
images = GetDiscardableImagesInRect(image_map, gfx::Rect(0, 500, 1, 1));
inset_rects = InsetImageRects(images);
ASSERT_EQ(1u, images.size());
EXPECT_EQ(gfx::Rect(0, 500, 1000, 100), inset_rects[0]);
}
TEST_F(DiscardableImageMapTest, GetDiscardableImagesInShader) {
gfx::Rect visible_rect(2048, 2048);
FakeContentLayerClient content_layer_client;
content_layer_client.set_bounds(visible_rect.size());
// Discardable pixel refs are found in the following grids:
// |---|---|---|---|
// | | x | | x |
// |---|---|---|---|
// | x | | x | |
// |---|---|---|---|
// | | x | | x |
// |---|---|---|---|
// | x | | x | |
// |---|---|---|---|
PaintImage discardable_image[4][4];
// Skia doesn't allow shader instantiation with non-invertible local
// transforms, so we can't let the scale drop all the way to 0.
static constexpr float kMinScale = 0.1f;
for (int y = 0; y < 4; ++y) {
for (int x = 0; x < 4; ++x) {
if ((x + y) & 1) {
discardable_image[y][x] =
PaintImageBuilder::WithDefault()
.set_id(y * 4 + x)
.set_paint_image_generator(
CreatePaintImageGenerator(gfx::Size(500, 500)))
.TakePaintImage();
SkMatrix scale = SkMatrix::MakeScale(std::max(x * 0.5f, kMinScale),
std::max(y * 0.5f, kMinScale));
PaintFlags flags;
flags.setShader(PaintShader::MakeImage(discardable_image[y][x],
SkTileMode::kClamp,
SkTileMode::kClamp, &scale));
content_layer_client.add_draw_rect(
gfx::Rect(x * 512 + 6, y * 512 + 6, 500, 500), flags);
}
}
}
scoped_refptr<DisplayItemList> display_list =
content_layer_client.PaintContentsToDisplayList(
ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
display_list->GenerateDiscardableImagesMetadata();
const DiscardableImageMap& image_map = display_list->discardable_image_map();
for (int y = 0; y < 4; ++y) {
for (int x = 0; x < 4; ++x) {
std::vector<const DrawImage*> draw_images;
image_map.GetDiscardableImagesInRect(
gfx::Rect(x * 512, y * 512, 500, 500), &draw_images);
if ((x + y) & 1) {
EXPECT_EQ(1u, draw_images.size()) << x << " " << y;
EXPECT_TRUE(draw_images[0]->paint_image() == discardable_image[y][x])
<< x << " " << y;
EXPECT_EQ(std::max(x * 0.5f, kMinScale),
draw_images[0]->scale().fWidth);
EXPECT_EQ(std::max(y * 0.5f, kMinScale),
draw_images[0]->scale().fHeight);
} else {
EXPECT_EQ(0u, draw_images.size()) << x << " " << y;
}
}
}
// Capture 4 pixel refs.
std::vector<const DrawImage*> draw_images;
image_map.GetDiscardableImagesInRect(gfx::Rect(512, 512, 2048, 2048),
&draw_images);
EXPECT_EQ(4u, draw_images.size());
EXPECT_TRUE(draw_images[0]->paint_image() == discardable_image[1][2]);
EXPECT_TRUE(draw_images[1]->paint_image() == discardable_image[2][1]);
EXPECT_TRUE(draw_images[2]->paint_image() == discardable_image[2][3]);
EXPECT_TRUE(draw_images[3]->paint_image() == discardable_image[3][2]);
}
TEST_F(DiscardableImageMapTest, ClipsImageRects) {
gfx::Rect visible_rect(500, 500);
PaintImage discardable_image =
CreateDiscardablePaintImage(gfx::Size(500, 500));
sk_sp<PaintRecord> record = CreateRecording(discardable_image, visible_rect);
scoped_refptr<DisplayItemList> display_list = new DisplayItemList;
display_list->StartPaint();
display_list->push<ClipRectOp>(gfx::RectToSkRect(gfx::Rect(250, 250)),
SkClipOp::kIntersect, false);
display_list->push<DrawRecordOp>(std::move(record));
display_list->EndPaintOfUnpaired(gfx::Rect(250, 250));
display_list->Finalize();
display_list->GenerateDiscardableImagesMetadata();
const DiscardableImageMap& image_map = display_list->discardable_image_map();
std::vector<PositionScaleDrawImage> images =
GetDiscardableImagesInRect(image_map, visible_rect);
std::vector<gfx::Rect> inset_rects = InsetImageRects(images);
EXPECT_EQ(1u, images.size());
EXPECT_TRUE(images[0].image == discardable_image);
EXPECT_EQ(gfx::Rect(250, 250), inset_rects[0]);
}
TEST_F(DiscardableImageMapTest, GathersDiscardableImagesFromNestedOps) {
// This |discardable_image| is in a PaintOpBuffer that gets added to
// the root buffer.
auto internal_record = sk_make_sp<PaintOpBuffer>();
PaintImage discardable_image =
CreateDiscardablePaintImage(gfx::Size(100, 100));
internal_record->push<DrawImageOp>(discardable_image, 0.f, 0.f, nullptr);
// This |discardable_image2| is in a DisplayItemList that gets added
// to the root buffer.
PaintImage discardable_image2 =
CreateDiscardablePaintImage(gfx::Size(100, 100));
scoped_refptr<DisplayItemList> display_list =
new DisplayItemList(DisplayItemList::kToBeReleasedAsPaintOpBuffer);
display_list->StartPaint();
display_list->push<DrawImageOp>(discardable_image2, 100.f, 100.f, nullptr);
display_list->EndPaintOfUnpaired(gfx::Rect(100, 100, 100, 100));
display_list->Finalize();
sk_sp<PaintRecord> record2 = display_list->ReleaseAsRecord();
PaintOpBuffer root_buffer;
root_buffer.push<DrawRecordOp>(internal_record);
root_buffer.push<DrawRecordOp>(record2);
DiscardableImageMap image_map;
image_map.Generate(&root_buffer, gfx::Rect(200, 200));
std::vector<const DrawImage*> images;
image_map.GetDiscardableImagesInRect(gfx::Rect(0, 0, 5, 95), &images);
EXPECT_EQ(1u, images.size());
EXPECT_TRUE(discardable_image == images[0]->paint_image());
images.clear();
image_map.GetDiscardableImagesInRect(gfx::Rect(105, 105, 5, 95), &images);
EXPECT_EQ(1u, images.size());
EXPECT_TRUE(discardable_image2 == images[0]->paint_image());
}
TEST_F(DiscardableImageMapTest, GathersAnimatedImages) {
gfx::Rect visible_rect(1000, 1000);
FakeContentLayerClient content_layer_client;
content_layer_client.set_bounds(visible_rect.size());
std::vector<FrameMetadata> frames = {
FrameMetadata(true, base::TimeDelta::FromMilliseconds(2)),
FrameMetadata(true, base::TimeDelta::FromMilliseconds(3))};
gfx::Size image_size(100, 100);
PaintImage static_image = CreateDiscardablePaintImage(image_size);
PaintImage animated_loop_none =
CreateAnimatedImage(image_size, frames, kAnimationNone);
PaintImage animation_loop_infinite =
CreateAnimatedImage(image_size, frames, 1u);
PaintFlags flags;
content_layer_client.add_draw_image(static_image, gfx::Point(0, 0), flags);
content_layer_client.add_draw_image(animated_loop_none, gfx::Point(100, 100),
flags);
content_layer_client.add_draw_image(animation_loop_infinite,
gfx::Point(200, 200), flags);
scoped_refptr<DisplayItemList> display_list =
content_layer_client.PaintContentsToDisplayList(
ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
display_list->GenerateDiscardableImagesMetadata();
const auto& animated_images_metadata =
display_list->discardable_image_map().animated_images_metadata();
ASSERT_EQ(animated_images_metadata.size(), 1u);
EXPECT_EQ(animated_images_metadata[0].paint_image_id,
animation_loop_infinite.stable_id());
EXPECT_EQ(animated_images_metadata[0].completion_state,
animation_loop_infinite.completion_state());
EXPECT_EQ(animated_images_metadata[0].frames,
animation_loop_infinite.GetFrameMetadata());
EXPECT_EQ(animated_images_metadata[0].repetition_count,
animation_loop_infinite.repetition_count());
std::vector<const DrawImage*> images;
display_list->discardable_image_map().GetDiscardableImagesInRect(visible_rect,
&images);
ASSERT_EQ(images.size(), 3u);
EXPECT_EQ(images[0]->paint_image(), static_image);
EXPECT_DCHECK_DEATH(images[0]->frame_index());
EXPECT_EQ(images[1]->paint_image(), animated_loop_none);
EXPECT_DCHECK_DEATH(images[1]->frame_index());
EXPECT_EQ(images[2]->paint_image(), animation_loop_infinite);
EXPECT_DCHECK_DEATH(images[2]->frame_index());
}
TEST_F(DiscardableImageMapTest, GathersPaintWorklets) {
gfx::Rect visible_rect(1000, 1000);
FakeContentLayerClient content_layer_client;
content_layer_client.set_bounds(visible_rect.size());
gfx::Size image_size(100, 100);
PaintImage static_image = CreateDiscardablePaintImage(image_size);
scoped_refptr<TestPaintWorkletInput> input =
base::MakeRefCounted<TestPaintWorkletInput>(gfx::SizeF(image_size));
PaintImage paint_worklet_image = CreatePaintWorkletPaintImage(input);
PaintFlags flags;
content_layer_client.add_draw_image(static_image, gfx::Point(0, 0), flags);
content_layer_client.add_draw_image(paint_worklet_image, gfx::Point(100, 100),
flags);
scoped_refptr<DisplayItemList> display_list =
content_layer_client.PaintContentsToDisplayList(
ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
display_list->GenerateDiscardableImagesMetadata();
const auto& paint_worklet_inputs =
display_list->discardable_image_map().paint_worklet_inputs();
ASSERT_EQ(paint_worklet_inputs.size(), 1u);
EXPECT_EQ(paint_worklet_inputs[0].first, input);
// PaintWorklets are not considered discardable images.
std::vector<PositionScaleDrawImage> images = GetDiscardableImagesInRect(
display_list->discardable_image_map(), visible_rect);
ASSERT_EQ(images.size(), 1u);
EXPECT_EQ(images[0].image, static_image);
}
TEST_F(DiscardableImageMapTest, CapturesImagesInPaintRecordShaders) {
// Create the record to use in the shader.
auto shader_record = sk_make_sp<PaintOpBuffer>();
shader_record->push<ScaleOp>(2.0f, 2.0f);
PaintImage static_image = CreateDiscardablePaintImage(gfx::Size(100, 100));
shader_record->push<DrawImageOp>(static_image, 0.f, 0.f, nullptr);
std::vector<FrameMetadata> frames = {
FrameMetadata(true, base::TimeDelta::FromMilliseconds(1)),
FrameMetadata(true, base::TimeDelta::FromMilliseconds(1))};
PaintImage animated_image = CreateAnimatedImage(gfx::Size(100, 100), frames);
shader_record->push<DrawImageOp>(animated_image, 0.f, 0.f, nullptr);
gfx::Rect visible_rect(500, 500);
scoped_refptr<DisplayItemList> display_list = new DisplayItemList();
display_list->StartPaint();
display_list->push<ScaleOp>(2.0f, 2.0f);
PaintFlags flags;
SkRect tile = SkRect::MakeWH(100, 100);
flags.setShader(PaintShader::MakePaintRecord(
shader_record, tile, SkTileMode::kClamp, SkTileMode::kClamp, nullptr));
display_list->push<DrawRectOp>(SkRect::MakeWH(200, 200), flags);
display_list->EndPaintOfUnpaired(visible_rect);
display_list->Finalize();
EXPECT_EQ(flags.getShader()->image_analysis_state(),
ImageAnalysisState::kNoAnalysis);
display_list->GenerateDiscardableImagesMetadata();
EXPECT_EQ(flags.getShader()->image_analysis_state(),
ImageAnalysisState::kAnimatedImages);
const auto& image_map = display_list->discardable_image_map();
// The image rect is set to the rect for the DrawRectOp, and only animated
// images in a shader are tracked.
std::vector<PositionScaleDrawImage> draw_images =
GetDiscardableImagesInRect(image_map, visible_rect);
std::vector<gfx::Rect> inset_rects = InsetImageRects(draw_images);
ASSERT_EQ(draw_images.size(), 1u);
EXPECT_EQ(draw_images[0].image, animated_image);
// The position of the image is the position of the DrawRectOp that uses the
// shader.
EXPECT_EQ(gfx::Rect(400, 400), inset_rects[0]);
// The scale of the image includes the scale at which the shader record is
// rasterized.
EXPECT_EQ(SkSize::Make(4.f, 4.f), draw_images[0].scale);
}
TEST_F(DiscardableImageMapTest, CapturesImagesInPaintFilters) {
// Create the record to use in the filter.
auto filter_record = sk_make_sp<PaintOpBuffer>();
PaintImage static_image = CreateDiscardablePaintImage(gfx::Size(100, 100));
filter_record->push<DrawImageOp>(static_image, 0.f, 0.f, nullptr);
std::vector<FrameMetadata> frames = {
FrameMetadata(true, base::TimeDelta::FromMilliseconds(1)),
FrameMetadata(true, base::TimeDelta::FromMilliseconds(1))};
PaintImage animated_image = CreateAnimatedImage(gfx::Size(100, 100), frames);
filter_record->push<DrawImageOp>(animated_image, 0.f, 0.f, nullptr);
gfx::Rect visible_rect(500, 500);
scoped_refptr<DisplayItemList> display_list = new DisplayItemList();
display_list->StartPaint();
PaintFlags flags;
flags.setImageFilter(sk_make_sp<RecordPaintFilter>(
filter_record, SkRect::MakeWH(100.f, 100.f)));
display_list->push<DrawRectOp>(SkRect::MakeWH(200, 200), flags);
display_list->EndPaintOfUnpaired(visible_rect);
display_list->Finalize();
EXPECT_EQ(flags.getImageFilter()->image_analysis_state(),
ImageAnalysisState::kNoAnalysis);
display_list->GenerateDiscardableImagesMetadata();
EXPECT_EQ(flags.getImageFilter()->image_analysis_state(),
ImageAnalysisState::kAnimatedImages);
const auto& image_map = display_list->discardable_image_map();
// The image rect is set to the rect for the DrawRectOp, and only animated
// images in a filter are tracked.
std::vector<PositionScaleDrawImage> draw_images =
GetDiscardableImagesInRect(image_map, visible_rect);
std::vector<gfx::Rect> inset_rects = InsetImageRects(draw_images);
ASSERT_EQ(draw_images.size(), 1u);
EXPECT_EQ(draw_images[0].image, animated_image);
// The position of the image is the position of the DrawRectOp that uses the
// filter.
EXPECT_EQ(gfx::Rect(200, 200), inset_rects[0]);
// Images in a filter are decoded at the original size.
EXPECT_EQ(SkSize::Make(1.f, 1.f), draw_images[0].scale);
}
TEST_F(DiscardableImageMapTest, CapturesImagesInSaveLayers) {
PaintFlags flags;
PaintImage image = CreateDiscardablePaintImage(gfx::Size(100, 100));
flags.setShader(PaintShader::MakeImage(image, SkTileMode::kClamp,
SkTileMode::kClamp, nullptr));
gfx::Rect visible_rect(500, 500);
scoped_refptr<DisplayItemList> display_list = new DisplayItemList();
display_list->StartPaint();
display_list->push<SaveLayerOp>(nullptr, &flags);
display_list->push<DrawColorOp>(SK_ColorBLUE, SkBlendMode::kSrc);
display_list->EndPaintOfUnpaired(visible_rect);
display_list->Finalize();
display_list->GenerateDiscardableImagesMetadata();
const auto& image_map = display_list->discardable_image_map();
std::vector<PositionScaleDrawImage> draw_images =
GetDiscardableImagesInRect(image_map, visible_rect);
std::vector<gfx::Rect> inset_rects = InsetImageRects(draw_images);
ASSERT_EQ(draw_images.size(), 1u);
EXPECT_EQ(draw_images[0].image, image);
EXPECT_EQ(gfx::Rect(500, 500), inset_rects[0]);
EXPECT_EQ(SkSize::Make(1.f, 1.f), draw_images[0].scale);
}
TEST_F(DiscardableImageMapTest, EmbeddedShaderWithAnimatedImages) {
// Create the record with animated image to use in the shader.
SkRect tile = SkRect::MakeWH(100, 100);
auto shader_record = sk_make_sp<PaintOpBuffer>();
std::vector<FrameMetadata> frames = {
FrameMetadata(true, base::TimeDelta::FromMilliseconds(1)),
FrameMetadata(true, base::TimeDelta::FromMilliseconds(1))};
PaintImage animated_image = CreateAnimatedImage(gfx::Size(100, 100), frames);
shader_record->push<DrawImageOp>(animated_image, 0.f, 0.f, nullptr);
auto shader_with_image = PaintShader::MakePaintRecord(
shader_record, tile, SkTileMode::kClamp, SkTileMode::kClamp, nullptr);
// Create a second shader which uses the shader above.
auto second_shader_record = sk_make_sp<PaintOpBuffer>();
PaintFlags flags;
flags.setShader(shader_with_image);
second_shader_record->push<DrawRectOp>(SkRect::MakeWH(200, 200), flags);
auto shader_with_shader_with_image = PaintShader::MakePaintRecord(
second_shader_record, tile, SkTileMode::kClamp, SkTileMode::kClamp,
nullptr);
gfx::Rect visible_rect(500, 500);
scoped_refptr<DisplayItemList> display_list = new DisplayItemList();
display_list->StartPaint();
flags.setShader(shader_with_shader_with_image);
display_list->push<DrawRectOp>(SkRect::MakeWH(200, 200), flags);
display_list->EndPaintOfUnpaired(visible_rect);
display_list->Finalize();
display_list->GenerateDiscardableImagesMetadata();
EXPECT_EQ(shader_with_image->image_analysis_state(),
ImageAnalysisState::kAnimatedImages);
EXPECT_EQ(shader_with_shader_with_image->image_analysis_state(),
ImageAnalysisState::kAnimatedImages);
}
TEST_F(DiscardableImageMapTest, DecodingModeHintsBasic) {
gfx::Rect visible_rect(100, 100);
PaintImage unspecified_image =
PaintImageBuilder::WithCopy(
CreateDiscardablePaintImage(gfx::Size(10, 10)))
.set_id(1)
.set_decoding_mode(PaintImage::DecodingMode::kUnspecified)
.TakePaintImage();
PaintImage async_image =
PaintImageBuilder::WithCopy(
CreateDiscardablePaintImage(gfx::Size(10, 10)))
.set_id(2)
.set_decoding_mode(PaintImage::DecodingMode::kAsync)
.TakePaintImage();
PaintImage sync_image =
PaintImageBuilder::WithCopy(
CreateDiscardablePaintImage(gfx::Size(10, 10)))
.set_id(3)
.set_decoding_mode(PaintImage::DecodingMode::kSync)
.TakePaintImage();
FakeContentLayerClient content_layer_client;
content_layer_client.set_bounds(visible_rect.size());
content_layer_client.add_draw_image(unspecified_image, gfx::Point(0, 0),
PaintFlags());
content_layer_client.add_draw_image(async_image, gfx::Point(10, 10),
PaintFlags());
content_layer_client.add_draw_image(sync_image, gfx::Point(20, 20),
PaintFlags());
scoped_refptr<DisplayItemList> display_list =
content_layer_client.PaintContentsToDisplayList(
ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
display_list->GenerateDiscardableImagesMetadata();
auto decode_hints = display_list->TakeDecodingModeMap();
ASSERT_EQ(decode_hints.size(), 3u);
ASSERT_TRUE(decode_hints.find(1) != decode_hints.end());
ASSERT_TRUE(decode_hints.find(2) != decode_hints.end());
ASSERT_TRUE(decode_hints.find(3) != decode_hints.end());
EXPECT_EQ(decode_hints[1], PaintImage::DecodingMode::kUnspecified);
EXPECT_EQ(decode_hints[2], PaintImage::DecodingMode::kAsync);
EXPECT_EQ(decode_hints[3], PaintImage::DecodingMode::kSync);
decode_hints = display_list->TakeDecodingModeMap();
EXPECT_EQ(decode_hints.size(), 0u);
}
TEST_F(DiscardableImageMapTest, DecodingModeHintsDuplicates) {
gfx::Rect visible_rect(100, 100);
PaintImage unspecified_image1 =
PaintImageBuilder::WithCopy(
CreateDiscardablePaintImage(gfx::Size(10, 10)))
.set_id(1)
.set_decoding_mode(PaintImage::DecodingMode::kUnspecified)
.TakePaintImage();
PaintImage async_image1 =
PaintImageBuilder::WithCopy(
CreateDiscardablePaintImage(gfx::Size(10, 10)))
.set_id(1)
.set_decoding_mode(PaintImage::DecodingMode::kAsync)
.TakePaintImage();
PaintImage unspecified_image2 =
PaintImageBuilder::WithCopy(
CreateDiscardablePaintImage(gfx::Size(10, 10)))
.set_id(2)
.set_decoding_mode(PaintImage::DecodingMode::kUnspecified)
.TakePaintImage();
PaintImage sync_image2 =
PaintImageBuilder::WithCopy(
CreateDiscardablePaintImage(gfx::Size(10, 10)))
.set_id(2)
.set_decoding_mode(PaintImage::DecodingMode::kSync)
.TakePaintImage();
PaintImage async_image3 =
PaintImageBuilder::WithCopy(
CreateDiscardablePaintImage(gfx::Size(10, 10)))
.set_id(3)
.set_decoding_mode(PaintImage::DecodingMode::kAsync)
.TakePaintImage();
PaintImage sync_image3 =