| // 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/values.h" |
| #include "cc/base/region.h" |
| #include "cc/paint/clip_display_item.h" |
| #include "cc/paint/discardable_image_store.h" |
| #include "cc/paint/paint_flags.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 "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/geometry/rect.h" |
| #include "ui/gfx/skia_util.h" |
| |
| namespace cc { |
| namespace { |
| |
| PaintImage CreateDiscardablePaintImage(const gfx::Size& size) { |
| return PaintImage(PaintImage::GetNextId(), CreateDiscardableImage(size)); |
| } |
| |
| 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<PaintRecord> CreateRecording(const PaintImage& discardable_image, |
| const gfx::Rect& visible_rect) { |
| PaintRecorder recorder; |
| PaintCanvas* canvas = |
| recorder.beginRecording(visible_rect.width(), visible_rect.height()); |
| canvas->drawImage(discardable_image, 0, 0, nullptr); |
| sk_sp<PaintRecord> record = recorder.finishRecordingAsPicture(); |
| return record; |
| } |
| |
| } // namespace |
| |
| class DiscardableImageMapTest : public testing::Test { |
| public: |
| std::vector<PositionScaleDrawImage> GetDiscardableImagesInRect( |
| const DiscardableImageMap& image_map, |
| const gfx::Rect& rect) { |
| std::vector<DrawImage> draw_images; |
| // 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, 1.f, target_color_space, |
| &draw_images); |
| |
| std::vector<PositionScaleDrawImage> position_draw_images; |
| for (size_t index : image_map.images_rtree_.Search(rect)) { |
| position_draw_images.push_back(PositionScaleDrawImage( |
| image_map.all_images_[index].first.paint_image(), |
| image_map.all_images_[index].second, |
| image_map.all_images_[index].first.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_testing(); |
| |
| 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]); |
| EXPECT_EQ(images[0].image_rect, |
| image_map.GetRectForImage(images[0].image.stable_id())); |
| } 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_EQ(images[0].image_rect, |
| image_map.GetRectForImage(images[0].image.stable_id())); |
| |
| EXPECT_TRUE(images[1].image == discardable_image[2][1]); |
| EXPECT_EQ(gfx::Rect(512 + 6, 2 * 512 + 6, 500, 500), inset_rects[1]); |
| EXPECT_EQ(images[1].image_rect, |
| image_map.GetRectForImage(images[1].image.stable_id())); |
| |
| 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_EQ(images[2].image_rect, |
| image_map.GetRectForImage(images[2].image.stable_id())); |
| |
| EXPECT_TRUE(images[3].image == discardable_image[3][2]); |
| EXPECT_EQ(gfx::Rect(2 * 512 + 6, 3 * 512 + 6, 500, 500), inset_rects[3]); |
| EXPECT_EQ(images[3].image_rect, |
| image_map.GetRectForImage(images[3].image.stable_id())); |
| } |
| |
| 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_testing(); |
| |
| 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]); |
| EXPECT_EQ(images[0].image_rect, |
| image_map.GetRectForImage(images[0].image.stable_id())); |
| } 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_EQ(images[0].image_rect, |
| image_map.GetRectForImage(images[0].image.stable_id())); |
| |
| 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_EQ(images[1].image_rect, |
| image_map.GetRectForImage(images[1].image.stable_id())); |
| |
| 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_EQ(images[2].image_rect, |
| image_map.GetRectForImage(images[2].image.stable_id())); |
| |
| 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]); |
| EXPECT_EQ(images[3].image_rect, |
| image_map.GetRectForImage(images[3].image.stable_id())); |
| } |
| |
| // 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(gfx::Rect(), image_map.GetRectForImage(image.stable_id())); |
| } |
| } |
| |
| 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_testing(); |
| |
| 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]); |
| EXPECT_EQ(images[0].image_rect, |
| image_map.GetRectForImage(images[0].image.stable_id())); |
| } 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)); |
| 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_for_testing(); |
| 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]); |
| EXPECT_EQ(images[0].image_rect, |
| image_map.GetRectForImage(images[0].image.stable_id())); |
| } |
| |
| 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); |
| |
| DiscardableImageMap image_map; |
| { |
| DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, |
| visible_rect.size()); |
| DiscardableImageStore* image_store = generator.image_store(); |
| { |
| std::unique_ptr<SkPaint> paint(new SkPaint()); |
| image_store->GetNoDrawCanvas()->saveLayer(gfx::RectToSkRect(visible_rect), |
| paint.get()); |
| } |
| image_store->GatherDiscardableImages(record.get()); |
| image_store->GetNoDrawCanvas()->restore(); |
| } |
| |
| 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); |
| |
| DiscardableImageMap image_map; |
| { |
| DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, |
| visible_rect.size()); |
| DiscardableImageStore* image_store = generator.image_store(); |
| SkPaint* null_paint = nullptr; |
| image_store->GetNoDrawCanvas()->saveLayer(gfx::RectToSkRect(visible_rect), |
| null_paint); |
| image_store->GatherDiscardableImages(record.get()); |
| image_store->GetNoDrawCanvas()->restore(); |
| } |
| |
| 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(); |
| PaintImage discardable_image = |
| CreateDiscardablePaintImage(gfx::Size(dimension, dimension)); |
| 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_for_testing(); |
| 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]); |
| EXPECT_EQ(images[0].image_rect, |
| image_map.GetRectForImage(images[0].image.stable_id())); |
| } |
| |
| 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()); |
| |
| PaintImage discardable_image = |
| CreateDiscardablePaintImage(gfx::Size(dimension, dimension)); |
| PaintFlags flags; |
| content_layer_client.add_draw_image(discardable_image, gfx::Point(0, 0), |
| flags); |
| content_layer_client.add_draw_image(discardable_image, gfx::Point(10000, 0), |
| flags); |
| content_layer_client.add_draw_image(discardable_image, |
| 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_for_testing(); |
| 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]); |
| |
| EXPECT_EQ(images[0].image_rect, |
| image_map.GetRectForImage(discardable_image.stable_id())); |
| } |
| |
| TEST_F(DiscardableImageMapTest, GetDiscardableImagesRectInBounds) { |
| gfx::Rect visible_rect(1000, 1000); |
| FakeContentLayerClient content_layer_client; |
| content_layer_client.set_bounds(visible_rect.size()); |
| |
| PaintImage discardable_image = |
| CreateDiscardablePaintImage(gfx::Size(100, 100)); |
| PaintImage long_discardable_image = |
| CreateDiscardablePaintImage(gfx::Size(10000, 100)); |
| |
| PaintFlags flags; |
| content_layer_client.add_draw_image(discardable_image, gfx::Point(-10, -11), |
| flags); |
| content_layer_client.add_draw_image(discardable_image, 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_for_testing(); |
| 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, 90, 89), inset_rects[0]); |
| |
| images = GetDiscardableImagesInRect(image_map, gfx::Rect(999, 999, 1, 1)); |
| inset_rects = InsetImageRects(images); |
| EXPECT_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); |
| EXPECT_EQ(1u, images.size()); |
| EXPECT_EQ(gfx::Rect(0, 500, 1000, 100), inset_rects[0]); |
| |
| gfx::Rect discardable_image_rect; |
| discardable_image_rect.Union(gfx::Rect(0, 0, 90, 89)); |
| discardable_image_rect.Union(gfx::Rect(950, 951, 50, 49)); |
| discardable_image_rect.Inset(-1, -1, -1, -1); |
| EXPECT_EQ(discardable_image_rect, |
| image_map.GetRectForImage(discardable_image.stable_id())); |
| |
| EXPECT_EQ(gfx::Rect(-1, 499, 1002, 102), |
| image_map.GetRectForImage(long_discardable_image.stable_id())); |
| } |
| |
| 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 | | |
| // |---|---|---|---| |
| sk_sp<SkImage> 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] = CreateDiscardableImage(gfx::Size(500, 500)); |
| SkMatrix scale = SkMatrix::MakeScale(std::max(x * 0.5f, kMinScale), |
| std::max(y * 0.5f, kMinScale)); |
| PaintFlags flags; |
| flags.setShader(discardable_image[y][x]->makeShader( |
| SkShader::kClamp_TileMode, SkShader::kClamp_TileMode, &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_testing(); |
| |
| 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.sk_image() == discardable_image[y][x]) |
| << x << " " << y; |
| EXPECT_EQ(gfx::Rect(x * 512 + 6, y * 512 + 6, 500, 500), |
| inset_rects[0]); |
| EXPECT_EQ(std::max(x * 0.5f, kMinScale), images[0].scale.fWidth); |
| EXPECT_EQ(std::max(y * 0.5f, kMinScale), images[0].scale.fHeight); |
| } 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.sk_image() == discardable_image[1][2]); |
| EXPECT_EQ(gfx::Rect(2 * 512 + 6, 512 + 6, 500, 500), inset_rects[0]); |
| EXPECT_TRUE(images[1].image.sk_image() == discardable_image[2][1]); |
| EXPECT_EQ(gfx::Rect(512 + 6, 2 * 512 + 6, 500, 500), inset_rects[1]); |
| EXPECT_TRUE(images[2].image.sk_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.sk_image() == discardable_image[3][2]); |
| EXPECT_EQ(gfx::Rect(2 * 512 + 6, 3 * 512 + 6, 500, 500), inset_rects[3]); |
| } |
| |
| 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->CreateAndAppendPairedBeginItem<ClipDisplayItem>( |
| gfx::Rect(250, 250), std::vector<SkRRect>(), false); |
| display_list->CreateAndAppendDrawingItem<DrawingDisplayItem>( |
| gfx::Rect(500, 500), record, SkRect::MakeWH(500, 500)); |
| display_list->CreateAndAppendPairedEndItem<EndClipDisplayItem>(); |
| display_list->Finalize(); |
| display_list->GenerateDiscardableImagesMetadata(); |
| |
| const DiscardableImageMap& image_map = |
| display_list->discardable_image_map_for_testing(); |
| 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) { |
| sk_sp<PaintRecord> internal_record = sk_make_sp<PaintRecord>(); |
| PaintImage discardable_image = |
| CreateDiscardablePaintImage(gfx::Size(100, 100)); |
| internal_record->push<DrawImageOp>(discardable_image, 0.f, 0.f, nullptr); |
| |
| sk_sp<PaintRecord> list_record = sk_make_sp<PaintRecord>(); |
| PaintImage discardable_image2 = |
| CreateDiscardablePaintImage(gfx::Size(100, 100)); |
| list_record->push<DrawImageOp>(discardable_image2, 100.f, 100.f, nullptr); |
| scoped_refptr<DisplayItemList> display_list = new DisplayItemList; |
| display_list->CreateAndAppendDrawingItem<DrawingDisplayItem>( |
| gfx::Rect(100, 100, 100, 100), list_record, SkRect::MakeWH(100, 100)); |
| display_list->Finalize(); |
| |
| PaintOpBuffer buffer; |
| buffer.push<DrawRecordOp>(internal_record); |
| buffer.push<DrawDisplayItemListOp>(display_list); |
| DiscardableImageMap image_map_; |
| { |
| DiscardableImageMap::ScopedMetadataGenerator generator(&image_map_, |
| gfx::Size(200, 200)); |
| generator.image_store()->GatherDiscardableImages(&buffer); |
| } |
| |
| gfx::ColorSpace target_color_space; |
| std::vector<DrawImage> images; |
| image_map_.GetDiscardableImagesInRect(gfx::Rect(0, 0, 5, 95), 1.f, |
| target_color_space, &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), 1.f, |
| target_color_space, &images); |
| EXPECT_EQ(1u, images.size()); |
| EXPECT_TRUE(discardable_image2 == images[0].paint_image()); |
| } |
| |
| } // namespace cc |
