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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "cc/playback/discardable_image_map.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 | |
| 9 #include <memory> | |
| 10 | |
| 11 #include "base/memory/ref_counted.h" | |
| 12 #include "base/values.h" | |
| 13 #include "cc/base/region.h" | |
| 14 #include "cc/test/fake_content_layer_client.h" | |
| 15 #include "cc/test/fake_recording_source.h" | |
| 16 #include "cc/test/skia_common.h" | |
| 17 #include "testing/gtest/include/gtest/gtest.h" | |
| 18 #include "third_party/skia/include/core/SkCanvas.h" | |
| 19 #include "third_party/skia/include/core/SkGraphics.h" | |
| 20 #include "third_party/skia/include/core/SkImageGenerator.h" | |
| 21 #include "third_party/skia/include/core/SkRefCnt.h" | |
| 22 #include "ui/gfx/geometry/rect.h" | |
| 23 #include "ui/gfx/skia_util.h" | |
| 24 | |
| 25 namespace cc { | |
| 26 namespace { | |
| 27 | |
| 28 struct PositionScaleDrawImage { | |
| 29 PositionScaleDrawImage(sk_sp<const SkImage> image, | |
| 30 const gfx::Rect& image_rect, | |
| 31 const SkSize& scale) | |
| 32 : image(std::move(image)), image_rect(image_rect), scale(scale) {} | |
| 33 sk_sp<const SkImage> image; | |
| 34 gfx::Rect image_rect; | |
| 35 SkSize scale; | |
| 36 }; | |
| 37 | |
| 38 } // namespace | |
| 39 | |
| 40 class DiscardableImageMapTest : public testing::Test { | |
| 41 public: | |
| 42 std::vector<PositionScaleDrawImage> GetDiscardableImagesInRect( | |
| 43 const DiscardableImageMap& image_map, | |
| 44 const gfx::Rect& rect) { | |
| 45 std::vector<DrawImage> draw_images; | |
| 46 image_map.GetDiscardableImagesInRect(rect, 1.f, &draw_images); | |
| 47 | |
| 48 std::vector<size_t> indices; | |
| 49 image_map.images_rtree_.Search(rect, &indices); | |
| 50 std::vector<PositionScaleDrawImage> position_draw_images; | |
| 51 for (size_t index : indices) { | |
| 52 position_draw_images.push_back( | |
| 53 PositionScaleDrawImage(image_map.all_images_[index].first.image(), | |
| 54 image_map.all_images_[index].second, | |
| 55 image_map.all_images_[index].first.scale())); | |
| 56 } | |
| 57 | |
| 58 EXPECT_EQ(draw_images.size(), position_draw_images.size()); | |
| 59 for (size_t i = 0; i < draw_images.size(); ++i) | |
| 60 EXPECT_TRUE(draw_images[i].image() == position_draw_images[i].image); | |
| 61 return position_draw_images; | |
| 62 } | |
| 63 | |
| 64 // Note that the image rtree outsets the images by 1, see the comment in | |
| 65 // DiscardableImagesMetadataCanvas::AddImage. | |
| 66 std::vector<gfx::Rect> InsetImageRects( | |
| 67 const std::vector<PositionScaleDrawImage>& images) { | |
| 68 std::vector<gfx::Rect> result; | |
| 69 for (auto& image : images) { | |
| 70 result.push_back(image.image_rect); | |
| 71 result.back().Inset(1, 1, 1, 1); | |
| 72 } | |
| 73 return result; | |
| 74 } | |
| 75 }; | |
| 76 | |
| 77 TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectTest) { | |
| 78 gfx::Rect visible_rect(2048, 2048); | |
| 79 FakeContentLayerClient content_layer_client; | |
| 80 content_layer_client.set_bounds(visible_rect.size()); | |
| 81 | |
| 82 // Discardable pixel refs are found in the following grids: | |
| 83 // |---|---|---|---| | |
| 84 // | | x | | x | | |
| 85 // |---|---|---|---| | |
| 86 // | x | | x | | | |
| 87 // |---|---|---|---| | |
| 88 // | | x | | x | | |
| 89 // |---|---|---|---| | |
| 90 // | x | | x | | | |
| 91 // |---|---|---|---| | |
| 92 sk_sp<SkImage> discardable_image[4][4]; | |
| 93 for (int y = 0; y < 4; ++y) { | |
| 94 for (int x = 0; x < 4; ++x) { | |
| 95 if ((x + y) & 1) { | |
| 96 discardable_image[y][x] = CreateDiscardableImage(gfx::Size(500, 500)); | |
| 97 PaintFlags flags; | |
| 98 content_layer_client.add_draw_image( | |
| 99 discardable_image[y][x], gfx::Point(x * 512 + 6, y * 512 + 6), | |
| 100 flags); | |
| 101 } | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 scoped_refptr<DisplayItemList> display_list = | |
| 106 content_layer_client.PaintContentsToDisplayList( | |
| 107 ContentLayerClient::PAINTING_BEHAVIOR_NORMAL); | |
| 108 | |
| 109 DiscardableImageMap image_map; | |
| 110 { | |
| 111 DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, | |
| 112 visible_rect.size()); | |
| 113 display_list->Raster(generator.canvas(), nullptr, gfx::Rect(), 1.f); | |
| 114 } | |
| 115 | |
| 116 for (int y = 0; y < 4; ++y) { | |
| 117 for (int x = 0; x < 4; ++x) { | |
| 118 std::vector<PositionScaleDrawImage> images = GetDiscardableImagesInRect( | |
| 119 image_map, gfx::Rect(x * 512, y * 512, 500, 500)); | |
| 120 std::vector<gfx::Rect> inset_rects = InsetImageRects(images); | |
| 121 if ((x + y) & 1) { | |
| 122 EXPECT_EQ(1u, images.size()) << x << " " << y; | |
| 123 EXPECT_TRUE(images[0].image == discardable_image[y][x]) << x << " " | |
| 124 << y; | |
| 125 EXPECT_EQ(gfx::Rect(x * 512 + 6, y * 512 + 6, 500, 500), | |
| 126 inset_rects[0]); | |
| 127 EXPECT_EQ(images[0].image_rect, | |
| 128 image_map.GetRectForImage(images[0].image->uniqueID())); | |
| 129 } else { | |
| 130 EXPECT_EQ(0u, images.size()) << x << " " << y; | |
| 131 } | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 // Capture 4 pixel refs. | |
| 136 std::vector<PositionScaleDrawImage> images = | |
| 137 GetDiscardableImagesInRect(image_map, gfx::Rect(512, 512, 2048, 2048)); | |
| 138 std::vector<gfx::Rect> inset_rects = InsetImageRects(images); | |
| 139 EXPECT_EQ(4u, images.size()); | |
| 140 | |
| 141 EXPECT_TRUE(images[0].image == discardable_image[1][2]); | |
| 142 EXPECT_EQ(gfx::Rect(2 * 512 + 6, 512 + 6, 500, 500), inset_rects[0]); | |
| 143 EXPECT_EQ(images[0].image_rect, | |
| 144 image_map.GetRectForImage(images[0].image->uniqueID())); | |
| 145 | |
| 146 EXPECT_TRUE(images[1].image == discardable_image[2][1]); | |
| 147 EXPECT_EQ(gfx::Rect(512 + 6, 2 * 512 + 6, 500, 500), inset_rects[1]); | |
| 148 EXPECT_EQ(images[1].image_rect, | |
| 149 image_map.GetRectForImage(images[1].image->uniqueID())); | |
| 150 | |
| 151 EXPECT_TRUE(images[2].image == discardable_image[2][3]); | |
| 152 EXPECT_EQ(gfx::Rect(3 * 512 + 6, 2 * 512 + 6, 500, 500), inset_rects[2]); | |
| 153 EXPECT_EQ(images[2].image_rect, | |
| 154 image_map.GetRectForImage(images[2].image->uniqueID())); | |
| 155 | |
| 156 EXPECT_TRUE(images[3].image == discardable_image[3][2]); | |
| 157 EXPECT_EQ(gfx::Rect(2 * 512 + 6, 3 * 512 + 6, 500, 500), inset_rects[3]); | |
| 158 EXPECT_EQ(images[3].image_rect, | |
| 159 image_map.GetRectForImage(images[3].image->uniqueID())); | |
| 160 } | |
| 161 | |
| 162 TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectNonZeroLayer) { | |
| 163 gfx::Rect visible_rect(1024, 0, 2048, 2048); | |
| 164 // Make sure visible rect fits into the layer size. | |
| 165 gfx::Size layer_size(visible_rect.right(), visible_rect.bottom()); | |
| 166 FakeContentLayerClient content_layer_client; | |
| 167 content_layer_client.set_bounds(layer_size); | |
| 168 | |
| 169 // Discardable pixel refs are found in the following grids: | |
| 170 // |---|---|---|---| | |
| 171 // | | x | | x | | |
| 172 // |---|---|---|---| | |
| 173 // | x | | x | | | |
| 174 // |---|---|---|---| | |
| 175 // | | x | | x | | |
| 176 // |---|---|---|---| | |
| 177 // | x | | x | | | |
| 178 // |---|---|---|---| | |
| 179 sk_sp<SkImage> discardable_image[4][4]; | |
| 180 for (int y = 0; y < 4; ++y) { | |
| 181 for (int x = 0; x < 4; ++x) { | |
| 182 if ((x + y) & 1) { | |
| 183 discardable_image[y][x] = CreateDiscardableImage(gfx::Size(500, 500)); | |
| 184 PaintFlags flags; | |
| 185 content_layer_client.add_draw_image( | |
| 186 discardable_image[y][x], | |
| 187 gfx::Point(1024 + x * 512 + 6, y * 512 + 6), flags); | |
| 188 } | |
| 189 } | |
| 190 } | |
| 191 | |
| 192 scoped_refptr<DisplayItemList> display_list = | |
| 193 content_layer_client.PaintContentsToDisplayList( | |
| 194 ContentLayerClient::PAINTING_BEHAVIOR_NORMAL); | |
| 195 | |
| 196 DiscardableImageMap image_map; | |
| 197 { | |
| 198 DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, | |
| 199 layer_size); | |
| 200 display_list->Raster(generator.canvas(), nullptr, gfx::Rect(), 1.f); | |
| 201 } | |
| 202 | |
| 203 for (int y = 0; y < 4; ++y) { | |
| 204 for (int x = 0; x < 4; ++x) { | |
| 205 std::vector<PositionScaleDrawImage> images = GetDiscardableImagesInRect( | |
| 206 image_map, gfx::Rect(1024 + x * 512, y * 512, 500, 500)); | |
| 207 std::vector<gfx::Rect> inset_rects = InsetImageRects(images); | |
| 208 if ((x + y) & 1) { | |
| 209 EXPECT_EQ(1u, images.size()) << x << " " << y; | |
| 210 EXPECT_TRUE(images[0].image == discardable_image[y][x]) << x << " " | |
| 211 << y; | |
| 212 EXPECT_EQ(gfx::Rect(1024 + x * 512 + 6, y * 512 + 6, 500, 500), | |
| 213 inset_rects[0]); | |
| 214 EXPECT_EQ(images[0].image_rect, | |
| 215 image_map.GetRectForImage(images[0].image->uniqueID())); | |
| 216 } else { | |
| 217 EXPECT_EQ(0u, images.size()) << x << " " << y; | |
| 218 } | |
| 219 } | |
| 220 } | |
| 221 // Capture 4 pixel refs. | |
| 222 { | |
| 223 std::vector<PositionScaleDrawImage> images = GetDiscardableImagesInRect( | |
| 224 image_map, gfx::Rect(1024 + 512, 512, 2048, 2048)); | |
| 225 std::vector<gfx::Rect> inset_rects = InsetImageRects(images); | |
| 226 EXPECT_EQ(4u, images.size()); | |
| 227 | |
| 228 EXPECT_TRUE(images[0].image == discardable_image[1][2]); | |
| 229 EXPECT_EQ(gfx::Rect(1024 + 2 * 512 + 6, 512 + 6, 500, 500), inset_rects[0]); | |
| 230 EXPECT_EQ(images[0].image_rect, | |
| 231 image_map.GetRectForImage(images[0].image->uniqueID())); | |
| 232 | |
| 233 EXPECT_TRUE(images[1].image == discardable_image[2][1]); | |
| 234 EXPECT_EQ(gfx::Rect(1024 + 512 + 6, 2 * 512 + 6, 500, 500), inset_rects[1]); | |
| 235 EXPECT_EQ(images[1].image_rect, | |
| 236 image_map.GetRectForImage(images[1].image->uniqueID())); | |
| 237 | |
| 238 EXPECT_TRUE(images[2].image == discardable_image[2][3]); | |
| 239 EXPECT_EQ(gfx::Rect(1024 + 3 * 512 + 6, 2 * 512 + 6, 500, 500), | |
| 240 inset_rects[2]); | |
| 241 EXPECT_EQ(images[2].image_rect, | |
| 242 image_map.GetRectForImage(images[2].image->uniqueID())); | |
| 243 | |
| 244 EXPECT_TRUE(images[3].image == discardable_image[3][2]); | |
| 245 EXPECT_EQ(gfx::Rect(1024 + 2 * 512 + 6, 3 * 512 + 6, 500, 500), | |
| 246 inset_rects[3]); | |
| 247 EXPECT_EQ(images[3].image_rect, | |
| 248 image_map.GetRectForImage(images[3].image->uniqueID())); | |
| 249 } | |
| 250 | |
| 251 // Non intersecting rects | |
| 252 { | |
| 253 std::vector<PositionScaleDrawImage> images = | |
| 254 GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1000, 1000)); | |
| 255 EXPECT_EQ(0u, images.size()); | |
| 256 } | |
| 257 { | |
| 258 std::vector<PositionScaleDrawImage> images = | |
| 259 GetDiscardableImagesInRect(image_map, gfx::Rect(3500, 0, 1000, 1000)); | |
| 260 EXPECT_EQ(0u, images.size()); | |
| 261 } | |
| 262 { | |
| 263 std::vector<PositionScaleDrawImage> images = | |
| 264 GetDiscardableImagesInRect(image_map, gfx::Rect(0, 1100, 1000, 1000)); | |
| 265 EXPECT_EQ(0u, images.size()); | |
| 266 } | |
| 267 { | |
| 268 std::vector<PositionScaleDrawImage> images = GetDiscardableImagesInRect( | |
| 269 image_map, gfx::Rect(3500, 1100, 1000, 1000)); | |
| 270 EXPECT_EQ(0u, images.size()); | |
| 271 } | |
| 272 | |
| 273 // Image not present in the list. | |
| 274 { | |
| 275 sk_sp<SkImage> image = CreateDiscardableImage(gfx::Size(500, 500)); | |
| 276 EXPECT_EQ(gfx::Rect(), image_map.GetRectForImage(image->uniqueID())); | |
| 277 } | |
| 278 } | |
| 279 | |
| 280 TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectOnePixelQuery) { | |
| 281 gfx::Rect visible_rect(2048, 2048); | |
| 282 FakeContentLayerClient content_layer_client; | |
| 283 content_layer_client.set_bounds(visible_rect.size()); | |
| 284 | |
| 285 // Discardable pixel refs are found in the following grids: | |
| 286 // |---|---|---|---| | |
| 287 // | | x | | x | | |
| 288 // |---|---|---|---| | |
| 289 // | x | | x | | | |
| 290 // |---|---|---|---| | |
| 291 // | | x | | x | | |
| 292 // |---|---|---|---| | |
| 293 // | x | | x | | | |
| 294 // |---|---|---|---| | |
| 295 sk_sp<SkImage> discardable_image[4][4]; | |
| 296 for (int y = 0; y < 4; ++y) { | |
| 297 for (int x = 0; x < 4; ++x) { | |
| 298 if ((x + y) & 1) { | |
| 299 discardable_image[y][x] = CreateDiscardableImage(gfx::Size(500, 500)); | |
| 300 PaintFlags flags; | |
| 301 content_layer_client.add_draw_image( | |
| 302 discardable_image[y][x], gfx::Point(x * 512 + 6, y * 512 + 6), | |
| 303 flags); | |
| 304 } | |
| 305 } | |
| 306 } | |
| 307 | |
| 308 scoped_refptr<DisplayItemList> display_list = | |
| 309 content_layer_client.PaintContentsToDisplayList( | |
| 310 ContentLayerClient::PAINTING_BEHAVIOR_NORMAL); | |
| 311 | |
| 312 DiscardableImageMap image_map; | |
| 313 { | |
| 314 DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, | |
| 315 visible_rect.size()); | |
| 316 display_list->Raster(generator.canvas(), nullptr, gfx::Rect(), 1.f); | |
| 317 } | |
| 318 | |
| 319 for (int y = 0; y < 4; ++y) { | |
| 320 for (int x = 0; x < 4; ++x) { | |
| 321 std::vector<PositionScaleDrawImage> images = GetDiscardableImagesInRect( | |
| 322 image_map, gfx::Rect(x * 512 + 256, y * 512 + 256, 1, 1)); | |
| 323 std::vector<gfx::Rect> inset_rects = InsetImageRects(images); | |
| 324 if ((x + y) & 1) { | |
| 325 EXPECT_EQ(1u, images.size()) << x << " " << y; | |
| 326 EXPECT_TRUE(images[0].image == discardable_image[y][x]) << x << " " | |
| 327 << y; | |
| 328 EXPECT_EQ(gfx::Rect(x * 512 + 6, y * 512 + 6, 500, 500), | |
| 329 inset_rects[0]); | |
| 330 EXPECT_EQ(images[0].image_rect, | |
| 331 image_map.GetRectForImage(images[0].image->uniqueID())); | |
| 332 } else { | |
| 333 EXPECT_EQ(0u, images.size()) << x << " " << y; | |
| 334 } | |
| 335 } | |
| 336 } | |
| 337 } | |
| 338 | |
| 339 TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectMassiveImage) { | |
| 340 gfx::Rect visible_rect(2048, 2048); | |
| 341 FakeContentLayerClient content_layer_client; | |
| 342 content_layer_client.set_bounds(visible_rect.size()); | |
| 343 | |
| 344 sk_sp<SkImage> discardable_image = | |
| 345 CreateDiscardableImage(gfx::Size(1 << 25, 1 << 25)); | |
| 346 PaintFlags flags; | |
| 347 content_layer_client.add_draw_image(discardable_image, gfx::Point(0, 0), | |
| 348 flags); | |
| 349 | |
| 350 scoped_refptr<DisplayItemList> display_list = | |
| 351 content_layer_client.PaintContentsToDisplayList( | |
| 352 ContentLayerClient::PAINTING_BEHAVIOR_NORMAL); | |
| 353 | |
| 354 DiscardableImageMap image_map; | |
| 355 { | |
| 356 DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, | |
| 357 visible_rect.size()); | |
| 358 display_list->Raster(generator.canvas(), nullptr, gfx::Rect(), 1.f); | |
| 359 } | |
| 360 std::vector<PositionScaleDrawImage> images = | |
| 361 GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1, 1)); | |
| 362 std::vector<gfx::Rect> inset_rects = InsetImageRects(images); | |
| 363 EXPECT_EQ(1u, images.size()); | |
| 364 EXPECT_TRUE(images[0].image == discardable_image); | |
| 365 EXPECT_EQ(gfx::Rect(0, 0, 2048, 2048), inset_rects[0]); | |
| 366 EXPECT_EQ(images[0].image_rect, | |
| 367 image_map.GetRectForImage(images[0].image->uniqueID())); | |
| 368 } | |
| 369 | |
| 370 TEST_F(DiscardableImageMapTest, PaintDestroyedWhileImageIsDrawn) { | |
| 371 gfx::Rect visible_rect(2048, 2048); | |
| 372 FakeContentLayerClient content_layer_client; | |
| 373 content_layer_client.set_bounds(visible_rect.size()); | |
| 374 | |
| 375 sk_sp<SkImage> discardable_image = CreateDiscardableImage(gfx::Size(10, 10)); | |
| 376 | |
| 377 DiscardableImageMap image_map; | |
| 378 { | |
| 379 DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, | |
| 380 visible_rect.size()); | |
| 381 { | |
| 382 std::unique_ptr<SkPaint> paint(new SkPaint()); | |
| 383 generator.canvas()->saveLayer(gfx::RectToSkRect(visible_rect), | |
| 384 paint.get()); | |
| 385 } | |
| 386 generator.canvas()->drawImage(discardable_image, 0, 0, nullptr); | |
| 387 generator.canvas()->restore(); | |
| 388 } | |
| 389 | |
| 390 std::vector<PositionScaleDrawImage> images = | |
| 391 GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1, 1)); | |
| 392 EXPECT_EQ(1u, images.size()); | |
| 393 EXPECT_TRUE(images[0].image == discardable_image); | |
| 394 } | |
| 395 | |
| 396 TEST_F(DiscardableImageMapTest, NullPaintOnSaveLayer) { | |
| 397 gfx::Rect visible_rect(2048, 2048); | |
| 398 FakeContentLayerClient content_layer_client; | |
| 399 content_layer_client.set_bounds(visible_rect.size()); | |
| 400 | |
| 401 sk_sp<SkImage> discardable_image = CreateDiscardableImage(gfx::Size(10, 10)); | |
| 402 | |
| 403 DiscardableImageMap image_map; | |
| 404 { | |
| 405 DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, | |
| 406 visible_rect.size()); | |
| 407 SkPaint* null_paint = nullptr; | |
| 408 generator.canvas()->saveLayer(gfx::RectToSkRect(visible_rect), null_paint); | |
| 409 generator.canvas()->drawImage(discardable_image, 0, 0, nullptr); | |
| 410 generator.canvas()->restore(); | |
| 411 } | |
| 412 | |
| 413 std::vector<PositionScaleDrawImage> images = | |
| 414 GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1, 1)); | |
| 415 EXPECT_EQ(1u, images.size()); | |
| 416 EXPECT_TRUE(images[0].image == discardable_image); | |
| 417 } | |
| 418 | |
| 419 TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectMaxImage) { | |
| 420 gfx::Rect visible_rect(2048, 2048); | |
| 421 FakeContentLayerClient content_layer_client; | |
| 422 content_layer_client.set_bounds(visible_rect.size()); | |
| 423 | |
| 424 int dimension = std::numeric_limits<int>::max(); | |
| 425 sk_sp<SkImage> discardable_image = | |
| 426 CreateDiscardableImage(gfx::Size(dimension, dimension)); | |
| 427 PaintFlags flags; | |
| 428 content_layer_client.add_draw_image(discardable_image, gfx::Point(42, 42), | |
| 429 flags); | |
| 430 | |
| 431 scoped_refptr<DisplayItemList> display_list = | |
| 432 content_layer_client.PaintContentsToDisplayList( | |
| 433 ContentLayerClient::PAINTING_BEHAVIOR_NORMAL); | |
| 434 | |
| 435 DiscardableImageMap image_map; | |
| 436 { | |
| 437 DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, | |
| 438 visible_rect.size()); | |
| 439 display_list->Raster(generator.canvas(), nullptr, visible_rect, 1.f); | |
| 440 } | |
| 441 std::vector<PositionScaleDrawImage> images = | |
| 442 GetDiscardableImagesInRect(image_map, gfx::Rect(42, 42, 1, 1)); | |
| 443 std::vector<gfx::Rect> inset_rects = InsetImageRects(images); | |
| 444 EXPECT_EQ(1u, images.size()); | |
| 445 EXPECT_TRUE(images[0].image == discardable_image); | |
| 446 EXPECT_EQ(gfx::Rect(42, 42, 2006, 2006), inset_rects[0]); | |
| 447 EXPECT_EQ(images[0].image_rect, | |
| 448 image_map.GetRectForImage(images[0].image->uniqueID())); | |
| 449 } | |
| 450 | |
| 451 TEST_F(DiscardableImageMapTest, GetDiscardableImagesInRectMaxImageMaxLayer) { | |
| 452 // At large values of integer x, x != static_cast<int>(static_cast<float>(x)). | |
| 453 // So, make sure the dimension can be converted back and forth for the | |
| 454 // purposes of the unittest. Also, at near max int values, Skia seems to skip | |
| 455 // some draw calls, so we subtract 64 since we only care about "really large" | |
| 456 // values, not necessarily max int values. | |
| 457 int dimension = static_cast<int>( | |
| 458 static_cast<float>(std::numeric_limits<int>::max() - 64)); | |
| 459 gfx::Rect visible_rect(dimension, dimension); | |
| 460 FakeContentLayerClient content_layer_client; | |
| 461 content_layer_client.set_bounds(visible_rect.size()); | |
| 462 | |
| 463 sk_sp<SkImage> discardable_image = | |
| 464 CreateDiscardableImage(gfx::Size(dimension, dimension)); | |
| 465 PaintFlags flags; | |
| 466 content_layer_client.add_draw_image(discardable_image, gfx::Point(0, 0), | |
| 467 flags); | |
| 468 content_layer_client.add_draw_image(discardable_image, gfx::Point(10000, 0), | |
| 469 flags); | |
| 470 content_layer_client.add_draw_image(discardable_image, | |
| 471 gfx::Point(-10000, 500), flags); | |
| 472 | |
| 473 scoped_refptr<DisplayItemList> display_list = | |
| 474 content_layer_client.PaintContentsToDisplayList( | |
| 475 ContentLayerClient::PAINTING_BEHAVIOR_NORMAL); | |
| 476 | |
| 477 DiscardableImageMap image_map; | |
| 478 { | |
| 479 DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, | |
| 480 visible_rect.size()); | |
| 481 display_list->Raster(generator.canvas(), nullptr, visible_rect, 1.f); | |
| 482 } | |
| 483 std::vector<PositionScaleDrawImage> images = | |
| 484 GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1, 1)); | |
| 485 std::vector<gfx::Rect> inset_rects = InsetImageRects(images); | |
| 486 EXPECT_EQ(1u, images.size()); | |
| 487 EXPECT_EQ(gfx::Rect(0, 0, dimension, dimension), inset_rects[0]); | |
| 488 | |
| 489 images = GetDiscardableImagesInRect(image_map, gfx::Rect(10000, 0, 1, 1)); | |
| 490 inset_rects = InsetImageRects(images); | |
| 491 EXPECT_EQ(2u, images.size()); | |
| 492 EXPECT_EQ(gfx::Rect(10000, 0, dimension - 10000, dimension), inset_rects[1]); | |
| 493 EXPECT_EQ(gfx::Rect(0, 0, dimension, dimension), inset_rects[0]); | |
| 494 | |
| 495 // Since we adjust negative offsets before using ToEnclosingRect, the expected | |
| 496 // width will be converted to float, which means that we lose some precision. | |
| 497 // The expected value is whatever the value is converted to float and then | |
| 498 // back to int. | |
| 499 int expected10k = static_cast<int>(static_cast<float>(dimension - 10000)); | |
| 500 images = GetDiscardableImagesInRect(image_map, gfx::Rect(0, 500, 1, 1)); | |
| 501 inset_rects = InsetImageRects(images); | |
| 502 EXPECT_EQ(2u, images.size()); | |
| 503 EXPECT_EQ(gfx::Rect(0, 500, expected10k, dimension - 500), inset_rects[1]); | |
| 504 EXPECT_EQ(gfx::Rect(0, 0, dimension, dimension), inset_rects[0]); | |
| 505 | |
| 506 EXPECT_EQ(images[0].image_rect, | |
| 507 image_map.GetRectForImage(discardable_image->uniqueID())); | |
| 508 } | |
| 509 | |
| 510 TEST_F(DiscardableImageMapTest, GetDiscardableImagesRectInBounds) { | |
| 511 gfx::Rect visible_rect(1000, 1000); | |
| 512 FakeContentLayerClient content_layer_client; | |
| 513 content_layer_client.set_bounds(visible_rect.size()); | |
| 514 | |
| 515 sk_sp<SkImage> discardable_image = | |
| 516 CreateDiscardableImage(gfx::Size(100, 100)); | |
| 517 sk_sp<SkImage> long_discardable_image = | |
| 518 CreateDiscardableImage(gfx::Size(10000, 100)); | |
| 519 | |
| 520 PaintFlags flags; | |
| 521 content_layer_client.add_draw_image(discardable_image, gfx::Point(-10, -11), | |
| 522 flags); | |
| 523 content_layer_client.add_draw_image(discardable_image, gfx::Point(950, 951), | |
| 524 flags); | |
| 525 content_layer_client.add_draw_image(long_discardable_image, | |
| 526 gfx::Point(-100, 500), flags); | |
| 527 | |
| 528 scoped_refptr<DisplayItemList> display_list = | |
| 529 content_layer_client.PaintContentsToDisplayList( | |
| 530 ContentLayerClient::PAINTING_BEHAVIOR_NORMAL); | |
| 531 | |
| 532 DiscardableImageMap image_map; | |
| 533 { | |
| 534 DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, | |
| 535 visible_rect.size()); | |
| 536 display_list->Raster(generator.canvas(), nullptr, visible_rect, 1.f); | |
| 537 } | |
| 538 std::vector<PositionScaleDrawImage> images = | |
| 539 GetDiscardableImagesInRect(image_map, gfx::Rect(0, 0, 1, 1)); | |
| 540 std::vector<gfx::Rect> inset_rects = InsetImageRects(images); | |
| 541 EXPECT_EQ(1u, images.size()); | |
| 542 EXPECT_EQ(gfx::Rect(0, 0, 90, 89), inset_rects[0]); | |
| 543 | |
| 544 images = GetDiscardableImagesInRect(image_map, gfx::Rect(999, 999, 1, 1)); | |
| 545 inset_rects = InsetImageRects(images); | |
| 546 EXPECT_EQ(1u, images.size()); | |
| 547 EXPECT_EQ(gfx::Rect(950, 951, 50, 49), inset_rects[0]); | |
| 548 | |
| 549 images = GetDiscardableImagesInRect(image_map, gfx::Rect(0, 500, 1, 1)); | |
| 550 inset_rects = InsetImageRects(images); | |
| 551 EXPECT_EQ(1u, images.size()); | |
| 552 EXPECT_EQ(gfx::Rect(0, 500, 1000, 100), inset_rects[0]); | |
| 553 | |
| 554 gfx::Rect discardable_image_rect; | |
| 555 discardable_image_rect.Union(gfx::Rect(0, 0, 90, 89)); | |
| 556 discardable_image_rect.Union(gfx::Rect(950, 951, 50, 49)); | |
| 557 discardable_image_rect.Inset(-1, -1, -1, -1); | |
| 558 EXPECT_EQ(discardable_image_rect, | |
| 559 image_map.GetRectForImage(discardable_image->uniqueID())); | |
| 560 | |
| 561 EXPECT_EQ(gfx::Rect(-1, 499, 1002, 102), | |
| 562 image_map.GetRectForImage(long_discardable_image->uniqueID())); | |
| 563 } | |
| 564 | |
| 565 TEST_F(DiscardableImageMapTest, GetDiscardableImagesInShader) { | |
| 566 gfx::Rect visible_rect(2048, 2048); | |
| 567 FakeContentLayerClient content_layer_client; | |
| 568 content_layer_client.set_bounds(visible_rect.size()); | |
| 569 | |
| 570 // Discardable pixel refs are found in the following grids: | |
| 571 // |---|---|---|---| | |
| 572 // | | x | | x | | |
| 573 // |---|---|---|---| | |
| 574 // | x | | x | | | |
| 575 // |---|---|---|---| | |
| 576 // | | x | | x | | |
| 577 // |---|---|---|---| | |
| 578 // | x | | x | | | |
| 579 // |---|---|---|---| | |
| 580 sk_sp<SkImage> discardable_image[4][4]; | |
| 581 | |
| 582 // Skia doesn't allow shader instantiation with non-invertible local | |
| 583 // transforms, so we can't let the scale drop all the way to 0. | |
| 584 static constexpr float kMinScale = 0.1f; | |
| 585 | |
| 586 for (int y = 0; y < 4; ++y) { | |
| 587 for (int x = 0; x < 4; ++x) { | |
| 588 if ((x + y) & 1) { | |
| 589 discardable_image[y][x] = CreateDiscardableImage(gfx::Size(500, 500)); | |
| 590 SkMatrix scale = SkMatrix::MakeScale(std::max(x * 0.5f, kMinScale), | |
| 591 std::max(y * 0.5f, kMinScale)); | |
| 592 PaintFlags flags; | |
| 593 flags.setShader(discardable_image[y][x]->makeShader( | |
| 594 SkShader::kClamp_TileMode, SkShader::kClamp_TileMode, &scale)); | |
| 595 content_layer_client.add_draw_rect( | |
| 596 gfx::Rect(x * 512 + 6, y * 512 + 6, 500, 500), flags); | |
| 597 } | |
| 598 } | |
| 599 } | |
| 600 | |
| 601 scoped_refptr<DisplayItemList> display_list = | |
| 602 content_layer_client.PaintContentsToDisplayList( | |
| 603 ContentLayerClient::PAINTING_BEHAVIOR_NORMAL); | |
| 604 | |
| 605 DiscardableImageMap image_map; | |
| 606 { | |
| 607 DiscardableImageMap::ScopedMetadataGenerator generator(&image_map, | |
| 608 visible_rect.size()); | |
| 609 display_list->Raster(generator.canvas(), nullptr, gfx::Rect(), 1.f); | |
| 610 } | |
| 611 | |
| 612 for (int y = 0; y < 4; ++y) { | |
| 613 for (int x = 0; x < 4; ++x) { | |
| 614 std::vector<PositionScaleDrawImage> images = GetDiscardableImagesInRect( | |
| 615 image_map, gfx::Rect(x * 512, y * 512, 500, 500)); | |
| 616 std::vector<gfx::Rect> inset_rects = InsetImageRects(images); | |
| 617 if ((x + y) & 1) { | |
| 618 EXPECT_EQ(1u, images.size()) << x << " " << y; | |
| 619 EXPECT_TRUE(images[0].image == discardable_image[y][x]) << x << " " | |
| 620 << y; | |
| 621 EXPECT_EQ(gfx::Rect(x * 512 + 6, y * 512 + 6, 500, 500), | |
| 622 inset_rects[0]); | |
| 623 EXPECT_EQ(std::max(x * 0.5f, kMinScale), images[0].scale.fWidth); | |
| 624 EXPECT_EQ(std::max(y * 0.5f, kMinScale), images[0].scale.fHeight); | |
| 625 } else { | |
| 626 EXPECT_EQ(0u, images.size()) << x << " " << y; | |
| 627 } | |
| 628 } | |
| 629 } | |
| 630 | |
| 631 // Capture 4 pixel refs. | |
| 632 std::vector<PositionScaleDrawImage> images = | |
| 633 GetDiscardableImagesInRect(image_map, gfx::Rect(512, 512, 2048, 2048)); | |
| 634 std::vector<gfx::Rect> inset_rects = InsetImageRects(images); | |
| 635 EXPECT_EQ(4u, images.size()); | |
| 636 EXPECT_TRUE(images[0].image == discardable_image[1][2]); | |
| 637 EXPECT_EQ(gfx::Rect(2 * 512 + 6, 512 + 6, 500, 500), inset_rects[0]); | |
| 638 EXPECT_TRUE(images[1].image == discardable_image[2][1]); | |
| 639 EXPECT_EQ(gfx::Rect(512 + 6, 2 * 512 + 6, 500, 500), inset_rects[1]); | |
| 640 EXPECT_TRUE(images[2].image == discardable_image[2][3]); | |
| 641 EXPECT_EQ(gfx::Rect(3 * 512 + 6, 2 * 512 + 6, 500, 500), inset_rects[2]); | |
| 642 EXPECT_TRUE(images[3].image == discardable_image[3][2]); | |
| 643 EXPECT_EQ(gfx::Rect(2 * 512 + 6, 3 * 512 + 6, 500, 500), inset_rects[3]); | |
| 644 } | |
| 645 | |
| 646 } // namespace cc | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2748263002:
Move cc::DisplayItemList and related classes into cc/paint/ (Closed)
