| // 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/playback/discardable_image_map.h" |
| |
| #include <stddef.h> |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/values.h" |
| #include "cc/base/region.h" |
| #include "cc/test/fake_content_layer_client.h" |
| #include "cc/test/fake_display_list_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 "ui/gfx/geometry/rect.h" |
| #include "ui/gfx/skia_util.h" |
| |
| namespace cc { |
| namespace { |
| |
| struct PositionDrawImage { |
| PositionDrawImage(const SkImage* image, const gfx::Rect& image_rect) |
| : image(image), image_rect(image_rect) {} |
| const SkImage* image; |
| gfx::Rect image_rect; |
| }; |
| |
| } // namespace |
| |
| class DiscardableImageMapTest : public testing::Test { |
| public: |
| std::vector<PositionDrawImage> GetDiscardableImagesInRect( |
| const DiscardableImageMap& image_map, |
| const gfx::Rect& rect) { |
| std::vector<DrawImage> draw_images; |
| image_map.GetDiscardableImagesInRect(rect, 1.f, &draw_images); |
| |
| std::vector<size_t> indices; |
| image_map.images_rtree_.Search(rect, &indices); |
| std::vector<PositionDrawImage> position_draw_images; |
| for (size_t index : indices) { |
| position_draw_images.push_back( |
| PositionDrawImage(image_map.all_images_[index].first.image(), |
| image_map.all_images_[index].second)); |
| } |
| |
| EXPECT_EQ(draw_images.size(), position_draw_images.size()); |
| for (size_t i = 0; i < draw_images.size(); ++i) |
| EXPECT_TRUE(draw_images[i].image() == position_draw_images[i].image); |
| return position_draw_images; |
| } |
| }; |
| |
| 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 | | |
| // |---|---|---|---| |
| skia::RefPtr<SkImage> 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] = CreateDiscardableImage(gfx::Size(500, 500)); |
| SkPaint paint; |
| content_layer_client.add_draw_image( |
| discardable_image[y][x].get(), gfx::Point(x * 512 + 6, y * 512 + 6), |
| paint); |
| } |
| } |
| } |
| |
| FakeDisplayListRecordingSource recording_source; |
| Region invalidation(visible_rect); |
| recording_source.SetGenerateDiscardableImagesMetadata(true); |
| recording_source.UpdateAndExpandInvalidation( |
| &content_layer_client, &invalidation, visible_rect.size(), visible_rect, |
| 1, DisplayListRecordingSource::RECORD_NORMALLY); |
| DisplayItemList* display_list = recording_source.display_list(); |
| |
| DiscardableImageMap image_map; |
| { |
| DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, |
| visible_rect.size()); |
| display_list->Raster(generator.canvas(), nullptr, visible_rect, 1.f); |
| } |
| |
| for (int y = 0; y < 4; ++y) { |
| for (int x = 0; x < 4; ++x) { |
| std::vector<PositionDrawImage> images = GetDiscardableImagesInRect( |
| image_map, gfx::Rect(x * 512, y * 512, 500, 500)); |
| if ((x + y) & 1) { |
| EXPECT_EQ(1u, images.size()) << x << " " << y; |
| EXPECT_TRUE(images[0].image == discardable_image[y][x].get()) |
| << x << " " << y; |
| EXPECT_EQ(gfx::Rect(x * 512 + 6, y * 512 + 6, 500, 500), |
| images[0].image_rect); |
| } else { |
| EXPECT_EQ(0u, images.size()) << x << " " << y; |
| } |
| } |
| } |
| |
| // Capture 4 pixel refs. |
| std::vector<PositionDrawImage> images = |
| GetDiscardableImagesInRect(image_map, gfx::Rect(512, 512, 2048, 2048)); |
| EXPECT_EQ(4u, images.size()); |
| EXPECT_TRUE(images[0].image == discardable_image[1][2].get()); |
| EXPECT_EQ(gfx::Rect(2 * 512 + 6, 512 + 6, 500, 500), images[0].image_rect); |
| EXPECT_TRUE(images[1].image == discardable_image[2][1].get()); |
| EXPECT_EQ(gfx::Rect(512 + 6, 2 * 512 + 6, 500, 500), images[1].image_rect); |
| EXPECT_TRUE(images[2].image == discardable_image[2][3].get()); |
| EXPECT_EQ(gfx::Rect(3 * 512 + 6, 2 * 512 + 6, 500, 500), |
| images[2].image_rect); |
| EXPECT_TRUE(images[3].image == discardable_image[3][2].get()); |
| EXPECT_EQ(gfx::Rect(2 * 512 + 6, 3 * 512 + 6, 500, 500), |
| images[3].image_rect); |
| } |
| |
| 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 | | |
| // |---|---|---|---| |
| skia::RefPtr<SkImage> 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] = CreateDiscardableImage(gfx::Size(500, 500)); |
| SkPaint paint; |
| content_layer_client.add_draw_image( |
| discardable_image[y][x].get(), |
| gfx::Point(1024 + x * 512 + 6, y * 512 + 6), paint); |
| } |
| } |
| } |
| |
| FakeDisplayListRecordingSource recording_source; |
| Region invalidation(visible_rect); |
| recording_source.SetGenerateDiscardableImagesMetadata(true); |
| recording_source.UpdateAndExpandInvalidation( |
| &content_layer_client, &invalidation, layer_size, visible_rect, 1, |
| DisplayListRecordingSource::RECORD_NORMALLY); |
| DisplayItemList* display_list = recording_source.display_list(); |
| |
| DiscardableImageMap image_map; |
| { |
| DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, |
| layer_size); |
| display_list->Raster(generator.canvas(), nullptr, visible_rect, 1.f); |
| } |
| |
| for (int y = 0; y < 4; ++y) { |
| for (int x = 0; x < 4; ++x) { |
| std::vector<PositionDrawImage> images = GetDiscardableImagesInRect( |
| image_map, gfx::Rect(1024 + x * 512, y * 512, 500, 500)); |
| if ((x + y) & 1) { |
| EXPECT_EQ(1u, images.size()) << x << " " << y; |
| EXPECT_TRUE(images[0].image == discardable_image[y][x].get()) |
| << x << " " << y; |
| EXPECT_EQ(gfx::Rect(1024 + x * 512 + 6, y * 512 + 6, 500, 500), |
| images[0].image_rect); |
| } else { |
| EXPECT_EQ(0u, images.size()) << x << " " << y; |
| } |
| } |
| } |
| // Capture 4 pixel refs. |
| { |
| std::vector<PositionDrawImage> images = GetDiscardableImagesInRect( |
| image_map, gfx::Rect(1024 + 512, 512, 2048, 2048)); |
| EXPECT_EQ(4u, images.size()); |
| EXPECT_TRUE(images[0].image == discardable_image[1][2].get()); |
| EXPECT_EQ(gfx::Rect(1024 + 2 * 512 + 6, 512 + 6, 500, 500), |
| images[0].image_rect); |
| EXPECT_TRUE(images[1].image == discardable_image[2][1].get()); |
| EXPECT_EQ(gfx::Rect(1024 + 512 + 6, 2 * 512 + 6, 500, 500), |
| images[1].image_rect); |
| EXPECT_TRUE(images[2].image == discardable_image[2][3].get()); |
| EXPECT_EQ(gfx::Rect(1024 + 3 * 512 + 6, 2 * 512 + 6, 500, 500), |
| images[2].image_rect); |
| EXPECT_TRUE(images[3].image == discardable_image[3][2].get()); |
| EXPECT_EQ(gfx::Rect(1024 + 2 * 512 + 6, 3 * 512 + 6, 500, 500), |
| images[3].image_rect); |
| } |
| |
| // Non intersecting rects |
| { |
| std::vector<PositionDrawImage> images = |
| GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1000, 1000)); |
| EXPECT_EQ(0u, images.size()); |
| } |
| { |
| std::vector<PositionDrawImage> images = |
| GetDiscardableImagesInRect(image_map, gfx::Rect(3500, 0, 1000, 1000)); |
| EXPECT_EQ(0u, images.size()); |
| } |
| { |
| std::vector<PositionDrawImage> images = |
| GetDiscardableImagesInRect(image_map, gfx::Rect(0, 1100, 1000, 1000)); |
| EXPECT_EQ(0u, images.size()); |
| } |
| { |
| std::vector<PositionDrawImage> images = GetDiscardableImagesInRect( |
| image_map, gfx::Rect(3500, 1100, 1000, 1000)); |
| EXPECT_EQ(0u, images.size()); |
| } |
| } |
| |
| 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 | | |
| // |---|---|---|---| |
| skia::RefPtr<SkImage> 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] = CreateDiscardableImage(gfx::Size(500, 500)); |
| SkPaint paint; |
| content_layer_client.add_draw_image( |
| discardable_image[y][x].get(), gfx::Point(x * 512 + 6, y * 512 + 6), |
| paint); |
| } |
| } |
| } |
| |
| FakeDisplayListRecordingSource recording_source; |
| Region invalidation(visible_rect); |
| recording_source.SetGenerateDiscardableImagesMetadata(true); |
| recording_source.UpdateAndExpandInvalidation( |
| &content_layer_client, &invalidation, visible_rect.size(), visible_rect, |
| 1, DisplayListRecordingSource::RECORD_NORMALLY); |
| DisplayItemList* display_list = recording_source.display_list(); |
| |
| DiscardableImageMap image_map; |
| { |
| DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, |
| visible_rect.size()); |
| display_list->Raster(generator.canvas(), nullptr, visible_rect, 1.f); |
| } |
| |
| for (int y = 0; y < 4; ++y) { |
| for (int x = 0; x < 4; ++x) { |
| std::vector<PositionDrawImage> images = GetDiscardableImagesInRect( |
| image_map, gfx::Rect(x * 512 + 256, y * 512 + 256, 1, 1)); |
| if ((x + y) & 1) { |
| EXPECT_EQ(1u, images.size()) << x << " " << y; |
| EXPECT_TRUE(images[0].image == discardable_image[y][x].get()) |
| << x << " " << y; |
| EXPECT_EQ(gfx::Rect(x * 512 + 6, y * 512 + 6, 500, 500), |
| images[0].image_rect); |
| } 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()); |
| |
| skia::RefPtr<SkImage> discardable_image; |
| discardable_image = CreateDiscardableImage(gfx::Size(1 << 25, 1 << 25)); |
| SkPaint paint; |
| content_layer_client.add_draw_image(discardable_image.get(), gfx::Point(0, 0), |
| paint); |
| |
| FakeDisplayListRecordingSource recording_source; |
| Region invalidation(visible_rect); |
| recording_source.SetGenerateDiscardableImagesMetadata(true); |
| recording_source.UpdateAndExpandInvalidation( |
| &content_layer_client, &invalidation, visible_rect.size(), visible_rect, |
| 1, DisplayListRecordingSource::RECORD_NORMALLY); |
| DisplayItemList* display_list = recording_source.display_list(); |
| |
| DiscardableImageMap image_map; |
| { |
| DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, |
| visible_rect.size()); |
| display_list->Raster(generator.canvas(), nullptr, visible_rect, 1.f); |
| } |
| std::vector<PositionDrawImage> images = |
| GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1, 1)); |
| EXPECT_EQ(1u, images.size()); |
| EXPECT_TRUE(images[0].image == discardable_image.get()); |
| EXPECT_EQ(gfx::Rect(0, 0, 1 << 25, 1 << 25), images[0].image_rect); |
| } |
| |
| TEST_F(DiscardableImageMapTest, PaintDestroyedWhileImageIsDrawn) { |
| gfx::Rect visible_rect(2048, 2048); |
| FakeContentLayerClient content_layer_client; |
| content_layer_client.set_bounds(visible_rect.size()); |
| |
| skia::RefPtr<SkImage> discardable_image; |
| discardable_image = CreateDiscardableImage(gfx::Size(10, 10)); |
| |
| DiscardableImageMap image_map; |
| { |
| DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, |
| visible_rect.size()); |
| { |
| scoped_ptr<SkPaint> paint(new SkPaint()); |
| generator.canvas()->saveLayer(gfx::RectToSkRect(visible_rect), |
| paint.get()); |
| } |
| generator.canvas()->drawImage(discardable_image.get(), 0, 0, nullptr); |
| generator.canvas()->restore(); |
| } |
| |
| std::vector<PositionDrawImage> images = |
| GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1, 1)); |
| EXPECT_EQ(1u, images.size()); |
| EXPECT_TRUE(images[0].image == discardable_image.get()); |
| } |
| |
| } // namespace cc |
