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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/raster/playback_image_provider.h"
#include <utility>
#include <vector>
#include "cc/paint/paint_image_builder.h"
#include "cc/test/skia_common.h"
#include "cc/test/stub_decode_cache.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkImage.h"
#include "third_party/skia/include/core/SkM44.h"
#include "third_party/skia/include/core/SkRect.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "third_party/skia/include/core/SkSize.h"
#include "third_party/skia/include/gpu/ganesh/GrDirectContext.h"
#include "third_party/skia/include/gpu/ganesh/gl/GrGLInterface.h"
namespace cc {
namespace {
sk_sp<SkImage> CreateRasterImage() {
SkBitmap bitmap;
bitmap.allocN32Pixels(10, 10);
return SkImages::RasterFromBitmap(bitmap);
}
DecodedDrawImage CreateDecode() {
return DecodedDrawImage(CreateRasterImage(), nullptr, SkSize::MakeEmpty(),
SkSize::Make(1.0f, 1.0f),
PaintFlags::FilterQuality::kMedium, true);
}
class MockDecodeCache : public StubDecodeCache {
public:
MockDecodeCache() = default;
~MockDecodeCache() override { EXPECT_EQ(refed_image_count_, 0); }
DecodedDrawImage GetDecodedImageForDraw(
const DrawImage& draw_image) override {
last_image_ = draw_image;
images_decoded_++;
refed_image_count_++;
return CreateDecode();
}
void DrawWithImageFinished(
const DrawImage& draw_image,
const DecodedDrawImage& decoded_draw_image) override {
refed_image_count_--;
EXPECT_GE(refed_image_count_, 0);
}
bool UseCacheForDrawImage(const DrawImage& image) const override {
return use_cache_for_draw_image_;
}
void set_use_cache_for_draw_image(bool use) {
use_cache_for_draw_image_ = use;
}
int refed_image_count() const { return refed_image_count_; }
int images_decoded() const { return images_decoded_; }
const DrawImage& last_image() { return last_image_; }
private:
int refed_image_count_ = 0;
int images_decoded_ = 0;
bool use_cache_for_draw_image_ = true;
DrawImage last_image_;
};
TEST(PlaybackImageProviderTest, SkipsAllImages) {
MockDecodeCache cache;
PlaybackImageProvider provider(&cache, TargetColorParams(), std::nullopt);
SkIRect rect = SkIRect::MakeWH(10, 10);
SkM44 matrix = SkM44();
EXPECT_FALSE(provider.GetRasterContent(DrawImage(
PaintImageBuilder::WithDefault()
.set_id(PaintImage::GetNextId())
.set_image(CreateRasterImage(), PaintImage::GetNextContentId())
.TakePaintImage(),
false, rect, PaintFlags::FilterQuality::kMedium, matrix)));
EXPECT_EQ(cache.images_decoded(), 0);
EXPECT_FALSE(provider.GetRasterContent(
CreateDiscardableDrawImage(gfx::Size(10, 10), nullptr, SkRect::Make(rect),
PaintFlags::FilterQuality::kMedium, matrix)));
EXPECT_EQ(cache.images_decoded(), 0);
}
TEST(PlaybackImageProviderTest, SkipsSomeImages) {
MockDecodeCache cache;
PaintImage skip_image = CreateDiscardablePaintImage(gfx::Size(10, 10));
std::optional<PlaybackImageProvider::Settings> settings;
settings.emplace();
settings->images_to_skip = {skip_image.stable_id()};
PlaybackImageProvider provider(&cache, TargetColorParams(),
std::move(settings));
SkIRect rect = SkIRect::MakeWH(10, 10);
SkM44 matrix = SkM44();
EXPECT_FALSE(provider.GetRasterContent(DrawImage(
skip_image, false, rect, PaintFlags::FilterQuality::kMedium, matrix)));
EXPECT_EQ(cache.images_decoded(), 0);
}
TEST(PlaybackImageProviderTest, RefAndUnrefDecode) {
MockDecodeCache cache;
std::optional<PlaybackImageProvider::Settings> settings;
settings.emplace();
PlaybackImageProvider provider(&cache, TargetColorParams(),
std::move(settings));
{
SkRect rect = SkRect::MakeWH(10, 10);
SkM44 matrix = SkM44();
auto decode = provider.GetRasterContent(
CreateDiscardableDrawImage(gfx::Size(10, 10), nullptr, rect,
PaintFlags::FilterQuality::kMedium, matrix));
EXPECT_TRUE(decode);
EXPECT_EQ(cache.refed_image_count(), 1);
}
// Destroying the decode unrefs the image from the cache.
EXPECT_EQ(cache.refed_image_count(), 0);
}
TEST(PlaybackImageProviderTest, SwapsGivenFrames) {
MockDecodeCache cache;
std::vector<FrameMetadata> frames = {
FrameMetadata(true, base::Milliseconds(2)),
FrameMetadata(true, base::Milliseconds(3))};
PaintImage image = CreateAnimatedImage(gfx::Size(10, 10), frames);
base::flat_map<PaintImage::Id, size_t> image_to_frame;
image_to_frame[image.stable_id()] = 1u;
std::optional<PlaybackImageProvider::Settings> settings;
settings.emplace();
settings->image_to_current_frame_index = image_to_frame;
PlaybackImageProvider provider(&cache, TargetColorParams(),
std::move(settings));
SkIRect rect = SkIRect::MakeWH(10, 10);
SkM44 matrix = SkM44();
DrawImage draw_image(image, false, rect, PaintFlags::FilterQuality::kMedium,
matrix);
provider.GetRasterContent(draw_image);
ASSERT_TRUE(cache.last_image().paint_image());
ASSERT_TRUE(cache.last_image().paint_image().IsSameForTesting(image));
ASSERT_EQ(cache.last_image().frame_index(), 1u);
}
TEST(PlaybackImageProviderTest, BitmapImages) {
MockDecodeCache cache;
std::optional<PlaybackImageProvider::Settings> settings;
settings.emplace();
PlaybackImageProvider provider(&cache, TargetColorParams(),
std::move(settings));
{
SkIRect rect = SkIRect::MakeWH(10, 10);
SkM44 matrix = SkM44();
auto draw_image =
DrawImage(CreateBitmapImage(gfx::Size(10, 10)), false, rect,
PaintFlags::FilterQuality::kMedium, matrix);
auto decode = provider.GetRasterContent(draw_image);
EXPECT_TRUE(decode);
EXPECT_EQ(cache.refed_image_count(), 1);
}
// Destroying the decode unrefs the image from the cache.
EXPECT_EQ(cache.refed_image_count(), 0);
}
TEST(PlaybackImageProviderTest, IgnoresImagesNotSupportedByCache) {
MockDecodeCache cache;
cache.set_use_cache_for_draw_image(false);
std::optional<PlaybackImageProvider::Settings> settings;
settings.emplace();
PlaybackImageProvider provider(&cache, TargetColorParams(),
std::move(settings));
{
SkIRect rect = SkIRect::MakeWH(10, 10);
SkM44 matrix = SkM44();
auto draw_image =
DrawImage(CreateBitmapImage(gfx::Size(10, 10)), false, rect,
PaintFlags::FilterQuality::kMedium, matrix);
auto decode = provider.GetRasterContent(draw_image);
EXPECT_TRUE(decode);
EXPECT_EQ(cache.refed_image_count(), 0);
}
EXPECT_EQ(cache.refed_image_count(), 0);
}
} // namespace
} // namespace cc
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