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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <array>
#include <vector>
#include "cc/base/region.h"
#include "cc/raster/raster_source.h"
#include "cc/test/fake_content_layer_client.h"
#include "cc/test/fake_recording_source.h"
#include "cc/test/skia_common.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkRefCnt.h"
namespace cc {
namespace {
TEST(RecordingSourceTest, DiscardableImagesWithTransform) {
FakeRecordingSource recording_source(gfx::Size(256, 256));
std::array<std::array<PaintImage, 2>, 2> discardable_image;
gfx::Transform identity_transform;
discardable_image[0][0] = CreateDiscardablePaintImage(gfx::Size(32, 32));
// Translate transform is equivalent to moving using point.
gfx::Transform translate_transform;
translate_transform.Translate(0, 130);
discardable_image[1][0] = CreateDiscardablePaintImage(gfx::Size(32, 32));
// This moves the bitmap to center of viewport and rotate, this would make
// this bitmap in all four tile grids.
gfx::Transform rotate_transform;
rotate_transform.Translate(112, 112);
rotate_transform.Rotate(45);
discardable_image[1][1] = CreateDiscardablePaintImage(gfx::Size(32, 32));
recording_source.add_draw_image_with_transform(discardable_image[0][0],
identity_transform);
recording_source.add_draw_image_with_transform(discardable_image[1][0],
translate_transform);
recording_source.add_draw_image_with_transform(discardable_image[1][1],
rotate_transform);
recording_source.Rerecord();
scoped_refptr<RasterSource> raster_source =
recording_source.CreateRasterSource();
scoped_refptr<DiscardableImageMap> image_map =
raster_source->GetDisplayItemList()->GenerateDiscardableImageMap(
ScrollOffsetMap());
// Tile sized iterators. These should find only one pixel ref.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(0, 0, 128, 128));
EXPECT_EQ(2u, images.size());
EXPECT_TRUE(
images[0]->paint_image().IsSameForTesting(discardable_image[0][0]));
EXPECT_TRUE(
images[1]->paint_image().IsSameForTesting(discardable_image[1][1]));
}
// Shifted tile sized iterators. These should find only one pixel ref.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(130, 140, 128, 128));
EXPECT_EQ(1u, images.size());
EXPECT_TRUE(
images[0]->paint_image().IsSameForTesting(discardable_image[1][1]));
}
// The rotated bitmap would still be in the top right tile.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(130, 0, 128, 128));
EXPECT_EQ(1u, images.size());
EXPECT_TRUE(
images[0]->paint_image().IsSameForTesting(discardable_image[1][1]));
}
// Layer sized iterators. These should find all pixel refs.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(0, 0, 256, 256));
EXPECT_EQ(3u, images.size());
// Top left tile with bitmap[0][0] and bitmap[1][1].
EXPECT_TRUE(
images[0]->paint_image().IsSameForTesting(discardable_image[0][0]));
EXPECT_TRUE(
images[1]->paint_image().IsSameForTesting(discardable_image[1][0]));
EXPECT_TRUE(
images[2]->paint_image().IsSameForTesting(discardable_image[1][1]));
}
// Verify different raster scales
for (float scale = 1.f; scale <= 5.f; scale += 0.5f) {
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(130, 0, 128, 128));
DrawImage image(*images[0], scale, PaintImage::kDefaultFrameIndex,
TargetColorParams());
EXPECT_EQ(1u, images.size());
EXPECT_FLOAT_EQ(scale, image.scale().width());
EXPECT_FLOAT_EQ(scale, image.scale().height());
}
}
TEST(RecordingSourceTest, EmptyImages) {
FakeRecordingSource recording_source(gfx::Size(256, 256));
recording_source.Rerecord();
scoped_refptr<RasterSource> raster_source =
recording_source.CreateRasterSource();
scoped_refptr<DiscardableImageMap> image_map =
raster_source->GetDisplayItemList()->GenerateDiscardableImageMap(
ScrollOffsetMap());
// Tile sized iterators.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(0, 0, 128, 128));
EXPECT_TRUE(images.empty());
}
// Shifted tile sized iterators.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(140, 140, 128, 128));
EXPECT_TRUE(images.empty());
}
// Layer sized iterators.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(0, 0, 256, 256));
EXPECT_TRUE(images.empty());
}
}
TEST(RecordingSourceTest, NoDiscardableImages) {
FakeRecordingSource recording_source(gfx::Size(256, 256));
PaintFlags simple_flags;
simple_flags.setColor(SkColorSetARGB(255, 12, 23, 34));
auto non_discardable_image =
CreateNonDiscardablePaintImage(gfx::Size(128, 128));
recording_source.add_draw_rect_with_flags(gfx::Rect(0, 0, 256, 256),
simple_flags);
recording_source.add_draw_rect_with_flags(gfx::Rect(128, 128, 512, 512),
simple_flags);
recording_source.add_draw_rect_with_flags(gfx::Rect(512, 0, 256, 256),
simple_flags);
recording_source.add_draw_rect_with_flags(gfx::Rect(0, 512, 256, 256),
simple_flags);
recording_source.add_draw_image(non_discardable_image, gfx::Point(128, 0));
recording_source.add_draw_image(non_discardable_image, gfx::Point(0, 128));
recording_source.add_draw_image(non_discardable_image, gfx::Point(150, 150));
recording_source.Rerecord();
scoped_refptr<RasterSource> raster_source =
recording_source.CreateRasterSource();
scoped_refptr<DiscardableImageMap> image_map =
raster_source->GetDisplayItemList()->GenerateDiscardableImageMap(
ScrollOffsetMap());
// Tile sized iterators.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(0, 0, 128, 128));
EXPECT_TRUE(images.empty());
}
// Shifted tile sized iterators.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(140, 140, 128, 128));
EXPECT_TRUE(images.empty());
}
// Layer sized iterators.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(0, 0, 256, 256));
EXPECT_TRUE(images.empty());
}
}
TEST(RecordingSourceTest, DiscardableImages) {
FakeRecordingSource recording_source(gfx::Size(256, 256));
std::array<std::array<PaintImage, 2>, 2> discardable_image;
discardable_image[0][0] = CreateDiscardablePaintImage(gfx::Size(32, 32));
discardable_image[1][0] = CreateDiscardablePaintImage(gfx::Size(32, 32));
discardable_image[1][1] = CreateDiscardablePaintImage(gfx::Size(32, 32));
// Discardable images are found in the following cells:
// |---|---|
// | x | |
// |---|---|
// | x | x |
// |---|---|
recording_source.add_draw_image(discardable_image[0][0], gfx::Point(0, 0));
recording_source.add_draw_image(discardable_image[1][0], gfx::Point(0, 130));
recording_source.add_draw_image(discardable_image[1][1],
gfx::Point(140, 140));
recording_source.Rerecord();
scoped_refptr<RasterSource> raster_source =
recording_source.CreateRasterSource();
scoped_refptr<DiscardableImageMap> image_map =
raster_source->GetDisplayItemList()->GenerateDiscardableImageMap(
ScrollOffsetMap());
// Tile sized iterators. These should find only one image.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(0, 0, 128, 128));
EXPECT_EQ(1u, images.size());
EXPECT_TRUE(
images[0]->paint_image().IsSameForTesting(discardable_image[0][0]));
}
// Shifted tile sized iterators. These should find only one image.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(140, 140, 128, 128));
EXPECT_EQ(1u, images.size());
EXPECT_TRUE(
images[0]->paint_image().IsSameForTesting(discardable_image[1][1]));
}
// Ensure there's no discardable images in the empty cell
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(140, 0, 128, 128));
EXPECT_TRUE(images.empty());
}
// Layer sized iterators. These should find all 3 images.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(0, 0, 256, 256));
EXPECT_EQ(3u, images.size());
EXPECT_TRUE(
images[0]->paint_image().IsSameForTesting(discardable_image[0][0]));
EXPECT_TRUE(
images[1]->paint_image().IsSameForTesting(discardable_image[1][0]));
EXPECT_TRUE(
images[2]->paint_image().IsSameForTesting(discardable_image[1][1]));
}
}
TEST(RecordingSourceTest, DiscardableImagesBaseNonDiscardable) {
FakeRecordingSource recording_source(gfx::Size(512, 512));
PaintImage non_discardable_image =
CreateNonDiscardablePaintImage(gfx::Size(512, 512));
std::array<std::array<PaintImage, 2>, 2> discardable_image;
discardable_image[0][0] = CreateDiscardablePaintImage(gfx::Size(128, 128));
discardable_image[0][1] = CreateDiscardablePaintImage(gfx::Size(128, 128));
discardable_image[1][1] = CreateDiscardablePaintImage(gfx::Size(128, 128));
// One large non-discardable image covers the whole grid.
// Discardable images are found in the following cells:
// |---|---|
// | x | x |
// |---|---|
// | | x |
// |---|---|
recording_source.add_draw_image(non_discardable_image, gfx::Point(0, 0));
recording_source.add_draw_image(discardable_image[0][0], gfx::Point(0, 0));
recording_source.add_draw_image(discardable_image[0][1], gfx::Point(260, 0));
recording_source.add_draw_image(discardable_image[1][1],
gfx::Point(260, 260));
recording_source.Rerecord();
scoped_refptr<RasterSource> raster_source =
recording_source.CreateRasterSource();
scoped_refptr<DiscardableImageMap> image_map =
raster_source->GetDisplayItemList()->GenerateDiscardableImageMap(
ScrollOffsetMap());
// Tile sized iterators. These should find only one image.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(0, 0, 256, 256));
EXPECT_EQ(1u, images.size());
EXPECT_TRUE(
images[0]->paint_image().IsSameForTesting(discardable_image[0][0]));
}
// Shifted tile sized iterators. These should find only one image.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(260, 260, 256, 256));
EXPECT_EQ(1u, images.size());
EXPECT_TRUE(
images[0]->paint_image().IsSameForTesting(discardable_image[1][1]));
}
// Ensure there's no discardable images in the empty cell
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(0, 256, 256, 256));
EXPECT_TRUE(images.empty());
}
// Layer sized iterators. These should find three images.
{
std::vector<const DrawImage*> images =
image_map->GetDiscardableImagesInRect(gfx::Rect(0, 0, 512, 512));
EXPECT_EQ(3u, images.size());
EXPECT_TRUE(
images[0]->paint_image().IsSameForTesting(discardable_image[0][0]));
EXPECT_TRUE(
images[1]->paint_image().IsSameForTesting(discardable_image[0][1]));
EXPECT_TRUE(
images[2]->paint_image().IsSameForTesting(discardable_image[1][1]));
}
}
TEST(RecordingSourceTest, AnalyzeIsSolid) {
gfx::Size layer_bounds(400, 400);
const std::vector<float> recording_scales = {1.f, 1.25f, 1.33f, 1.5f, 1.6f,
1.66f, 2.f, 2.25f, 2.5f};
for (float recording_scale : recording_scales) {
FakeRecordingSource recording_source(layer_bounds);
recording_source.SetRecordingScaleFactor(recording_scale);
PaintFlags solid_flags;
SkColor4f solid_color{0.1f, 0.2f, 0.3f, 1.0f};
solid_flags.setColor(solid_color);
SkColor4f non_solid_color{0.2f, 0.3f, 0.4f, 0.5f};
PaintFlags non_solid_flags;
non_solid_flags.setColor(non_solid_color);
recording_source.add_draw_rect_with_flags(
gfx::ScaleToEnclosingRect(gfx::Rect(layer_bounds), recording_scale),
solid_flags);
recording_source.Rerecord();
scoped_refptr<RasterSource> raster = recording_source.CreateRasterSource();
EXPECT_TRUE(raster->IsSolidColor())
<< " recording scale: " << recording_scale;
EXPECT_EQ(raster->GetSolidColor(), solid_color);
for (int y = 0; y < layer_bounds.height(); y += 50) {
for (int x = 0; x < layer_bounds.width(); x += 50) {
recording_source.reset_draws();
recording_source.add_draw_rect_with_flags(
gfx::ScaleToEnclosingRect(gfx::Rect(layer_bounds), recording_scale),
solid_flags);
recording_source.add_draw_rect_with_flags(
gfx::Rect(std::round(x * recording_scale),
std::round(y * recording_scale), 1, 1),
non_solid_flags);
recording_source.Rerecord();
raster = recording_source.CreateRasterSource();
EXPECT_FALSE(raster->IsSolidColor())
<< " recording scale: " << recording_scale << " pixel at: (" << x
<< ", " << y << ") was not solid.";
}
}
}
}
TEST(RecordingSourceTest, RecordedBounds) {
FakeRecordingSource recording_source(gfx::Size(400, 400));
recording_source.add_draw_rect(gfx::Rect(100, 100, 100, 100));
recording_source.add_draw_rect(gfx::Rect(50, 200, 200, 50));
recording_source.Rerecord();
auto raster = recording_source.CreateRasterSource();
EXPECT_EQ(gfx::Rect(50, 100, 200, 150), raster->recorded_bounds());
}
} // namespace
} // namespace cc
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