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