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