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| 1 // Copyright 2014 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/display_item_list.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/memory/ptr_util.h" | |
| 12 #include "base/numerics/safe_conversions.h" | |
| 13 #include "base/strings/stringprintf.h" | |
| 14 #include "base/trace_event/trace_event.h" | |
| 15 #include "base/trace_event/trace_event_argument.h" | |
| 16 #include "cc/base/math_util.h" | |
| 17 #include "cc/debug/picture_debug_util.h" | |
| 18 #include "cc/output/render_surface_filters.h" | |
| 19 #include "cc/playback/clip_display_item.h" | |
| 20 #include "cc/playback/clip_path_display_item.h" | |
| 21 #include "cc/playback/compositing_display_item.h" | |
| 22 #include "cc/playback/drawing_display_item.h" | |
| 23 #include "cc/playback/filter_display_item.h" | |
| 24 #include "cc/playback/float_clip_display_item.h" | |
| 25 #include "cc/playback/largest_display_item.h" | |
| 26 #include "cc/playback/transform_display_item.h" | |
| 27 #include "third_party/skia/include/core/SkCanvas.h" | |
| 28 #include "third_party/skia/include/core/SkImageFilter.h" | |
| 29 #include "third_party/skia/include/core/SkPaint.h" | |
| 30 #include "third_party/skia/include/core/SkPictureRecorder.h" | |
| 31 #include "ui/gfx/geometry/rect.h" | |
| 32 #include "ui/gfx/geometry/rect_conversions.h" | |
| 33 #include "ui/gfx/skia_util.h" | |
| 34 | |
| 35 namespace cc { | |
| 36 | |
| 37 namespace { | |
| 38 | |
| 39 // We don't perform per-layer solid color analysis when there are too many skia | |
| 40 // operations. | |
| 41 const int kOpCountThatIsOkToAnalyze = 10; | |
| 42 | |
| 43 bool GetCanvasClipBounds(SkCanvas* canvas, gfx::Rect* clip_bounds) { | |
| 44 SkRect canvas_clip_bounds; | |
| 45 if (!canvas->getLocalClipBounds(&canvas_clip_bounds)) | |
| 46 return false; | |
| 47 *clip_bounds = ToEnclosingRect(gfx::SkRectToRectF(canvas_clip_bounds)); | |
| 48 return true; | |
| 49 } | |
| 50 | |
| 51 const int kDefaultNumDisplayItemsToReserve = 100; | |
| 52 | |
| 53 NOINLINE DISABLE_CFI_PERF void RasterItem(const DisplayItem& base_item, | |
| 54 SkCanvas* canvas, | |
| 55 SkPicture::AbortCallback* callback) { | |
| 56 switch (base_item.type) { | |
| 57 case DisplayItem::CLIP: { | |
| 58 const auto& item = static_cast<const ClipDisplayItem&>(base_item); | |
| 59 canvas->save(); | |
| 60 canvas->clipRect(gfx::RectToSkRect(item.clip_rect), item.antialias); | |
| 61 for (const auto& rrect : item.rounded_clip_rects) { | |
| 62 if (rrect.isRect()) { | |
| 63 canvas->clipRect(rrect.rect(), item.antialias); | |
| 64 } else { | |
| 65 canvas->clipRRect(rrect, item.antialias); | |
| 66 } | |
| 67 } | |
| 68 break; | |
| 69 } | |
| 70 case DisplayItem::END_CLIP: | |
| 71 canvas->restore(); | |
| 72 break; | |
| 73 case DisplayItem::CLIP_PATH: { | |
| 74 const auto& item = static_cast<const ClipPathDisplayItem&>(base_item); | |
| 75 canvas->save(); | |
| 76 canvas->clipPath(item.clip_path, item.antialias); | |
| 77 break; | |
| 78 } | |
| 79 case DisplayItem::END_CLIP_PATH: | |
| 80 canvas->restore(); | |
| 81 break; | |
| 82 case DisplayItem::COMPOSITING: { | |
| 83 const auto& item = static_cast<const CompositingDisplayItem&>(base_item); | |
| 84 SkPaint paint; | |
| 85 paint.setBlendMode(item.xfermode); | |
| 86 paint.setAlpha(item.alpha); | |
| 87 paint.setColorFilter(item.color_filter); | |
| 88 const SkRect* bounds = item.has_bounds ? &item.bounds : nullptr; | |
| 89 if (item.lcd_text_requires_opaque_layer) | |
| 90 canvas->saveLayer(bounds, &paint); | |
| 91 else | |
| 92 canvas->saveLayerPreserveLCDTextRequests(bounds, &paint); | |
| 93 break; | |
| 94 } | |
| 95 case DisplayItem::END_COMPOSITING: | |
| 96 canvas->restore(); | |
| 97 break; | |
| 98 case DisplayItem::DRAWING: { | |
| 99 const auto& item = static_cast<const DrawingDisplayItem&>(base_item); | |
| 100 if (canvas->quickReject(item.picture->cullRect())) | |
| 101 break; | |
| 102 | |
| 103 // SkPicture always does a wrapping save/restore on the canvas, so it is | |
| 104 // not necessary here. | |
| 105 if (callback) { | |
| 106 item.picture->playback(canvas, callback); | |
| 107 } else { | |
| 108 // TODO(enne): switch this to playback once PaintRecord is real. | |
| 109 canvas->drawPicture(ToSkPicture(item.picture.get())); | |
| 110 } | |
| 111 break; | |
| 112 } | |
| 113 case DisplayItem::FLOAT_CLIP: { | |
| 114 const auto& item = static_cast<const FloatClipDisplayItem&>(base_item); | |
| 115 canvas->save(); | |
| 116 canvas->clipRect(gfx::RectFToSkRect(item.clip_rect)); | |
| 117 break; | |
| 118 } | |
| 119 case DisplayItem::END_FLOAT_CLIP: | |
| 120 canvas->restore(); | |
| 121 break; | |
| 122 case DisplayItem::FILTER: { | |
| 123 const auto& item = static_cast<const FilterDisplayItem&>(base_item); | |
| 124 canvas->save(); | |
| 125 canvas->translate(item.origin.x(), item.origin.y()); | |
| 126 | |
| 127 sk_sp<SkImageFilter> image_filter = | |
| 128 RenderSurfaceFilters::BuildImageFilter(item.filters, | |
| 129 item.bounds.size()); | |
| 130 SkRect boundaries = RectFToSkRect(item.bounds); | |
| 131 boundaries.offset(-item.origin.x(), -item.origin.y()); | |
| 132 | |
| 133 SkPaint paint; | |
| 134 paint.setBlendMode(SkBlendMode::kSrcOver); | |
| 135 paint.setImageFilter(std::move(image_filter)); | |
| 136 canvas->saveLayer(&boundaries, &paint); | |
| 137 | |
| 138 canvas->translate(-item.origin.x(), -item.origin.y()); | |
| 139 break; | |
| 140 } | |
| 141 case DisplayItem::END_FILTER: | |
| 142 canvas->restore(); | |
| 143 canvas->restore(); | |
| 144 break; | |
| 145 case DisplayItem::TRANSFORM: { | |
| 146 const auto& item = static_cast<const TransformDisplayItem&>(base_item); | |
| 147 canvas->save(); | |
| 148 if (!item.transform.IsIdentity()) | |
| 149 canvas->concat(item.transform.matrix()); | |
| 150 break; | |
| 151 } | |
| 152 case DisplayItem::END_TRANSFORM: | |
| 153 canvas->restore(); | |
| 154 break; | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 } // namespace | |
| 159 | |
| 160 DisplayItemList::DisplayItemList() | |
| 161 : items_(LargestDisplayItemSize(), | |
| 162 LargestDisplayItemSize() * kDefaultNumDisplayItemsToReserve) {} | |
| 163 | |
| 164 DisplayItemList::~DisplayItemList() = default; | |
| 165 | |
| 166 void DisplayItemList::Raster(SkCanvas* canvas, | |
| 167 SkPicture::AbortCallback* callback, | |
| 168 const gfx::Rect& canvas_target_playback_rect, | |
| 169 float contents_scale) const { | |
| 170 canvas->save(); | |
| 171 if (!canvas_target_playback_rect.IsEmpty()) { | |
| 172 // canvas_target_playback_rect is specified in device space. We can't | |
| 173 // use clipRect because canvas CTM will be applied on it. Use clipRegion | |
| 174 // instead because it ignores canvas CTM. | |
| 175 SkRegion device_clip; | |
| 176 device_clip.setRect(gfx::RectToSkIRect(canvas_target_playback_rect)); | |
| 177 canvas->clipRegion(device_clip); | |
| 178 } | |
| 179 canvas->scale(contents_scale, contents_scale); | |
| 180 Raster(canvas, callback); | |
| 181 canvas->restore(); | |
| 182 } | |
| 183 | |
| 184 void DisplayItemList::Raster(SkCanvas* canvas, | |
| 185 SkPicture::AbortCallback* callback) const { | |
| 186 gfx::Rect canvas_playback_rect; | |
| 187 if (!GetCanvasClipBounds(canvas, &canvas_playback_rect)) | |
| 188 return; | |
| 189 | |
| 190 std::vector<size_t> indices; | |
| 191 rtree_.Search(canvas_playback_rect, &indices); | |
| 192 for (size_t index : indices) { | |
| 193 RasterItem(items_[index], canvas, callback); | |
| 194 | |
| 195 // We use a callback during solid color analysis on the compositor thread to | |
| 196 // break out early. Since we're handling a sequence of pictures via rtree | |
| 197 // query results ourselves, we have to respect the callback and early out. | |
| 198 if (callback && callback->abort()) | |
| 199 break; | |
| 200 } | |
| 201 } | |
| 202 | |
| 203 void DisplayItemList::GrowCurrentBeginItemVisualRect( | |
| 204 const gfx::Rect& visual_rect) { | |
| 205 if (!begin_item_indices_.empty()) | |
| 206 visual_rects_[begin_item_indices_.back()].Union(visual_rect); | |
| 207 } | |
| 208 | |
| 209 void DisplayItemList::Finalize() { | |
| 210 TRACE_EVENT0("cc", "DisplayItemList::Finalize"); | |
| 211 DCHECK(items_.size() == visual_rects_.size()) | |
| 212 << "items.size() " << items_.size() << " visual_rects.size() " | |
| 213 << visual_rects_.size(); | |
| 214 rtree_.Build(visual_rects_); | |
| 215 | |
| 216 if (!retain_visual_rects_) | |
| 217 // This clears both the vector and the vector's capacity, since | |
| 218 // visual_rects won't be used anymore. | |
| 219 std::vector<gfx::Rect>().swap(visual_rects_); | |
| 220 } | |
| 221 | |
| 222 bool DisplayItemList::IsSuitableForGpuRasterization() const { | |
| 223 // TODO(wkorman): This is more permissive than Picture's implementation, since | |
| 224 // none of the items might individually trigger a veto even though they | |
| 225 // collectively have enough "bad" operations that a corresponding Picture | |
| 226 // would get vetoed. See crbug.com/513016. | |
| 227 return all_items_are_suitable_for_gpu_rasterization_; | |
| 228 } | |
| 229 | |
| 230 int DisplayItemList::ApproximateOpCount() const { | |
| 231 return approximate_op_count_; | |
| 232 } | |
| 233 | |
| 234 size_t DisplayItemList::ApproximateMemoryUsage() const { | |
| 235 size_t memory_usage = sizeof(*this); | |
| 236 | |
| 237 size_t external_memory_usage = 0; | |
| 238 for (const auto& item : items_) { | |
| 239 size_t bytes = 0; | |
| 240 switch (item.type) { | |
| 241 case DisplayItem::CLIP: | |
| 242 bytes = static_cast<const ClipDisplayItem&>(item).ExternalMemoryUsage(); | |
| 243 break; | |
| 244 case DisplayItem::CLIP_PATH: | |
| 245 bytes = | |
| 246 static_cast<const ClipPathDisplayItem&>(item).ExternalMemoryUsage(); | |
| 247 break; | |
| 248 case DisplayItem::COMPOSITING: | |
| 249 bytes = static_cast<const CompositingDisplayItem&>(item) | |
| 250 .ExternalMemoryUsage(); | |
| 251 break; | |
| 252 case DisplayItem::DRAWING: | |
| 253 bytes = | |
| 254 static_cast<const DrawingDisplayItem&>(item).ExternalMemoryUsage(); | |
| 255 break; | |
| 256 case DisplayItem::FLOAT_CLIP: | |
| 257 bytes = static_cast<const FloatClipDisplayItem&>(item) | |
| 258 .ExternalMemoryUsage(); | |
| 259 break; | |
| 260 case DisplayItem::FILTER: | |
| 261 bytes = | |
| 262 static_cast<const FilterDisplayItem&>(item).ExternalMemoryUsage(); | |
| 263 break; | |
| 264 case DisplayItem::TRANSFORM: | |
| 265 bytes = static_cast<const TransformDisplayItem&>(item) | |
| 266 .ExternalMemoryUsage(); | |
| 267 break; | |
| 268 case DisplayItem::END_CLIP: | |
| 269 case DisplayItem::END_CLIP_PATH: | |
| 270 case DisplayItem::END_COMPOSITING: | |
| 271 case DisplayItem::END_FLOAT_CLIP: | |
| 272 case DisplayItem::END_FILTER: | |
| 273 case DisplayItem::END_TRANSFORM: | |
| 274 break; | |
| 275 } | |
| 276 external_memory_usage += bytes; | |
| 277 } | |
| 278 | |
| 279 // Memory outside this class due to |items_|. | |
| 280 memory_usage += items_.GetCapacityInBytes() + external_memory_usage; | |
| 281 | |
| 282 // TODO(jbroman): Does anything else owned by this class substantially | |
| 283 // contribute to memory usage? | |
| 284 // TODO(vmpstr): Probably DiscardableImageMap is worth counting here. | |
| 285 | |
| 286 return memory_usage; | |
| 287 } | |
| 288 | |
| 289 bool DisplayItemList::ShouldBeAnalyzedForSolidColor() const { | |
| 290 return ApproximateOpCount() <= kOpCountThatIsOkToAnalyze; | |
| 291 } | |
| 292 | |
| 293 void DisplayItemList::EmitTraceSnapshot() const { | |
| 294 bool include_items; | |
| 295 TRACE_EVENT_CATEGORY_GROUP_ENABLED( | |
| 296 TRACE_DISABLED_BY_DEFAULT("cc.debug.display_items"), &include_items); | |
| 297 TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID( | |
| 298 TRACE_DISABLED_BY_DEFAULT("cc.debug.display_items") "," | |
| 299 TRACE_DISABLED_BY_DEFAULT("cc.debug.picture") "," | |
| 300 TRACE_DISABLED_BY_DEFAULT("devtools.timeline.picture"), | |
| 301 "cc::DisplayItemList", this, CreateTracedValue(include_items)); | |
| 302 } | |
| 303 | |
| 304 std::unique_ptr<base::trace_event::TracedValue> | |
| 305 DisplayItemList::CreateTracedValue(bool include_items) const { | |
| 306 auto state = base::MakeUnique<base::trace_event::TracedValue>(); | |
| 307 state->BeginDictionary("params"); | |
| 308 | |
| 309 if (include_items) { | |
| 310 state->BeginArray("items"); | |
| 311 | |
| 312 auto visual_rects_it = visual_rects_.begin(); | |
| 313 for (const DisplayItem& base_item : items_) { | |
| 314 gfx::Rect visual_rect; | |
| 315 if (visual_rects_it != visual_rects_.end()) { | |
| 316 visual_rect = *visual_rects_it; | |
| 317 ++visual_rects_it; | |
| 318 } | |
| 319 | |
| 320 switch (base_item.type) { | |
| 321 case DisplayItem::CLIP: { | |
| 322 const auto& item = static_cast<const ClipDisplayItem&>(base_item); | |
| 323 std::string output = | |
| 324 base::StringPrintf("ClipDisplayItem rect: [%s] visualRect: [%s]", | |
| 325 item.clip_rect.ToString().c_str(), | |
| 326 visual_rect.ToString().c_str()); | |
| 327 for (const SkRRect& rounded_rect : item.rounded_clip_rects) { | |
| 328 base::StringAppendF( | |
| 329 &output, " rounded_rect: [rect: [%s]", | |
| 330 gfx::SkRectToRectF(rounded_rect.rect()).ToString().c_str()); | |
| 331 base::StringAppendF(&output, " radii: ["); | |
| 332 SkVector upper_left_radius = | |
| 333 rounded_rect.radii(SkRRect::kUpperLeft_Corner); | |
| 334 base::StringAppendF(&output, "[%f,%f],", upper_left_radius.x(), | |
| 335 upper_left_radius.y()); | |
| 336 SkVector upper_right_radius = | |
| 337 rounded_rect.radii(SkRRect::kUpperRight_Corner); | |
| 338 base::StringAppendF(&output, " [%f,%f],", upper_right_radius.x(), | |
| 339 upper_right_radius.y()); | |
| 340 SkVector lower_right_radius = | |
| 341 rounded_rect.radii(SkRRect::kLowerRight_Corner); | |
| 342 base::StringAppendF(&output, " [%f,%f],", lower_right_radius.x(), | |
| 343 lower_right_radius.y()); | |
| 344 SkVector lower_left_radius = | |
| 345 rounded_rect.radii(SkRRect::kLowerLeft_Corner); | |
| 346 base::StringAppendF(&output, " [%f,%f]]", lower_left_radius.x(), | |
| 347 lower_left_radius.y()); | |
| 348 } | |
| 349 state->AppendString(output); | |
| 350 break; | |
| 351 } | |
| 352 case DisplayItem::END_CLIP: | |
| 353 state->AppendString( | |
| 354 base::StringPrintf("EndClipDisplayItem visualRect: [%s]", | |
| 355 visual_rect.ToString().c_str())); | |
| 356 break; | |
| 357 case DisplayItem::CLIP_PATH: { | |
| 358 const auto& item = static_cast<const ClipPathDisplayItem&>(base_item); | |
| 359 state->AppendString(base::StringPrintf( | |
| 360 "ClipPathDisplayItem length: %d visualRect: [%s]", | |
| 361 item.clip_path.countPoints(), visual_rect.ToString().c_str())); | |
| 362 break; | |
| 363 } | |
| 364 case DisplayItem::END_CLIP_PATH: | |
| 365 state->AppendString( | |
| 366 base::StringPrintf("EndClipPathDisplayItem visualRect: [%s]", | |
| 367 visual_rect.ToString().c_str())); | |
| 368 break; | |
| 369 case DisplayItem::COMPOSITING: { | |
| 370 const auto& item = | |
| 371 static_cast<const CompositingDisplayItem&>(base_item); | |
| 372 std::string output = base::StringPrintf( | |
| 373 "CompositingDisplayItem alpha: %d, xfermode: %d, visualRect: " | |
| 374 "[%s]", | |
| 375 item.alpha, static_cast<int>(item.xfermode), | |
| 376 visual_rect.ToString().c_str()); | |
| 377 if (item.has_bounds) { | |
| 378 base::StringAppendF( | |
| 379 &output, ", bounds: [%s]", | |
| 380 gfx::SkRectToRectF(item.bounds).ToString().c_str()); | |
| 381 } | |
| 382 state->AppendString(output); | |
| 383 break; | |
| 384 } | |
| 385 case DisplayItem::END_COMPOSITING: | |
| 386 state->AppendString( | |
| 387 base::StringPrintf("EndCompositingDisplayItem visualRect: [%s]", | |
| 388 visual_rect.ToString().c_str())); | |
| 389 break; | |
| 390 case DisplayItem::DRAWING: { | |
| 391 const auto& item = static_cast<const DrawingDisplayItem&>(base_item); | |
| 392 state->BeginDictionary(); | |
| 393 state->SetString("name", "DrawingDisplayItem"); | |
| 394 | |
| 395 state->BeginArray("visualRect"); | |
| 396 state->AppendInteger(visual_rect.x()); | |
| 397 state->AppendInteger(visual_rect.y()); | |
| 398 state->AppendInteger(visual_rect.width()); | |
| 399 state->AppendInteger(visual_rect.height()); | |
| 400 state->EndArray(); | |
| 401 | |
| 402 state->BeginArray("cullRect"); | |
| 403 state->AppendInteger(item.picture->cullRect().x()); | |
| 404 state->AppendInteger(item.picture->cullRect().y()); | |
| 405 state->AppendInteger(item.picture->cullRect().width()); | |
| 406 state->AppendInteger(item.picture->cullRect().height()); | |
| 407 state->EndArray(); | |
| 408 | |
| 409 std::string b64_picture; | |
| 410 PictureDebugUtil::SerializeAsBase64(ToSkPicture(item.picture.get()), | |
| 411 &b64_picture); | |
| 412 state->SetString("skp64", b64_picture); | |
| 413 state->EndDictionary(); | |
| 414 break; | |
| 415 } | |
| 416 case DisplayItem::FILTER: { | |
| 417 const auto& item = static_cast<const FilterDisplayItem&>(base_item); | |
| 418 state->AppendString(base::StringPrintf( | |
| 419 "FilterDisplayItem bounds: [%s] visualRect: [%s]", | |
| 420 item.bounds.ToString().c_str(), visual_rect.ToString().c_str())); | |
| 421 break; | |
| 422 } | |
| 423 case DisplayItem::END_FILTER: | |
| 424 state->AppendString( | |
| 425 base::StringPrintf("EndFilterDisplayItem visualRect: [%s]", | |
| 426 visual_rect.ToString().c_str())); | |
| 427 break; | |
| 428 case DisplayItem::FLOAT_CLIP: { | |
| 429 const auto& item = | |
| 430 static_cast<const FloatClipDisplayItem&>(base_item); | |
| 431 state->AppendString(base::StringPrintf( | |
| 432 "FloatClipDisplayItem rect: [%s] visualRect: [%s]", | |
| 433 item.clip_rect.ToString().c_str(), | |
| 434 visual_rect.ToString().c_str())); | |
| 435 break; | |
| 436 } | |
| 437 case DisplayItem::END_FLOAT_CLIP: | |
| 438 state->AppendString( | |
| 439 base::StringPrintf("EndFloatClipDisplayItem visualRect: [%s]", | |
| 440 visual_rect.ToString().c_str())); | |
| 441 break; | |
| 442 case DisplayItem::TRANSFORM: { | |
| 443 const auto& item = | |
| 444 static_cast<const TransformDisplayItem&>(base_item); | |
| 445 state->AppendString(base::StringPrintf( | |
| 446 "TransformDisplayItem transform: [%s] visualRect: [%s]", | |
| 447 item.transform.ToString().c_str(), | |
| 448 visual_rect.ToString().c_str())); | |
| 449 break; | |
| 450 } | |
| 451 case DisplayItem::END_TRANSFORM: | |
| 452 state->AppendString( | |
| 453 base::StringPrintf("EndTransformDisplayItem visualRect: [%s]", | |
| 454 visual_rect.ToString().c_str())); | |
| 455 break; | |
| 456 } | |
| 457 } | |
| 458 state->EndArray(); // "items". | |
| 459 } | |
| 460 | |
| 461 MathUtil::AddToTracedValue("layer_rect", rtree_.GetBounds(), state.get()); | |
| 462 state->EndDictionary(); // "params". | |
| 463 | |
| 464 { | |
| 465 SkPictureRecorder recorder; | |
| 466 gfx::Rect bounds = rtree_.GetBounds(); | |
| 467 SkCanvas* canvas = recorder.beginRecording(bounds.width(), bounds.height()); | |
| 468 canvas->translate(-bounds.x(), -bounds.y()); | |
| 469 canvas->clipRect(gfx::RectToSkRect(bounds)); | |
| 470 Raster(canvas, nullptr, gfx::Rect(), 1.f); | |
| 471 sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture(); | |
| 472 | |
| 473 std::string b64_picture; | |
| 474 PictureDebugUtil::SerializeAsBase64(picture.get(), &b64_picture); | |
| 475 state->SetString("skp64", b64_picture); | |
| 476 } | |
| 477 | |
| 478 return state; | |
| 479 } | |
| 480 | |
| 481 void DisplayItemList::GenerateDiscardableImagesMetadata() { | |
| 482 // This should be only called once. | |
| 483 DCHECK(image_map_.empty()); | |
| 484 | |
| 485 gfx::Rect bounds = rtree_.GetBounds(); | |
| 486 DiscardableImageMap::ScopedMetadataGenerator generator( | |
| 487 &image_map_, gfx::Size(bounds.right(), bounds.bottom())); | |
| 488 auto* canvas = generator.canvas(); | |
| 489 for (const auto& item : items_) | |
| 490 RasterItem(item, canvas, nullptr); | |
| 491 } | |
| 492 | |
| 493 void DisplayItemList::GetDiscardableImagesInRect( | |
| 494 const gfx::Rect& rect, | |
| 495 float contents_scale, | |
| 496 std::vector<DrawImage>* images) { | |
| 497 image_map_.GetDiscardableImagesInRect(rect, contents_scale, images); | |
| 498 } | |
| 499 | |
| 500 gfx::Rect DisplayItemList::GetRectForImage(ImageId image_id) const { | |
| 501 return image_map_.GetRectForImage(image_id); | |
| 502 } | |
| 503 | |
| 504 } // namespace cc | |
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Chromium Code Reviews
Issue 2748263002:
Move cc::DisplayItemList and related classes into cc/paint/ (Closed)
