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| 1 // Copyright 2011 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/trees/layer_tree_host_in_process.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <algorithm> | |
| 11 #include <memory> | |
| 12 #include <stack> | |
| 13 #include <string> | |
| 14 #include <unordered_map> | |
| 15 | |
| 16 #include "base/atomic_sequence_num.h" | |
| 17 #include "base/bind.h" | |
| 18 #include "base/command_line.h" | |
| 19 #include "base/location.h" | |
| 20 #include "base/memory/ptr_util.h" | |
| 21 #include "base/metrics/histogram_macros.h" | |
| 22 #include "base/numerics/safe_math.h" | |
| 23 #include "base/single_thread_task_runner.h" | |
| 24 #include "base/stl_util.h" | |
| 25 #include "base/strings/string_number_conversions.h" | |
| 26 #include "base/strings/stringprintf.h" | |
| 27 #include "base/threading/thread_task_runner_handle.h" | |
| 28 #include "base/timer/elapsed_timer.h" | |
| 29 #include "base/trace_event/trace_event.h" | |
| 30 #include "base/trace_event/trace_event_argument.h" | |
| 31 #include "cc/base/histograms.h" | |
| 32 #include "cc/base/math_util.h" | |
| 33 #include "cc/debug/devtools_instrumentation.h" | |
| 34 #include "cc/debug/frame_viewer_instrumentation.h" | |
| 35 #include "cc/debug/rendering_stats_instrumentation.h" | |
| 36 #include "cc/input/layer_selection_bound.h" | |
| 37 #include "cc/input/page_scale_animation.h" | |
| 38 #include "cc/layers/heads_up_display_layer.h" | |
| 39 #include "cc/layers/heads_up_display_layer_impl.h" | |
| 40 #include "cc/layers/layer.h" | |
| 41 #include "cc/layers/layer_iterator.h" | |
| 42 #include "cc/layers/painted_scrollbar_layer.h" | |
| 43 #include "cc/resources/ui_resource_manager.h" | |
| 44 #include "cc/trees/draw_property_utils.h" | |
| 45 #include "cc/trees/layer_tree_host_client.h" | |
| 46 #include "cc/trees/layer_tree_host_common.h" | |
| 47 #include "cc/trees/layer_tree_host_impl.h" | |
| 48 #include "cc/trees/layer_tree_impl.h" | |
| 49 #include "cc/trees/mutator_host.h" | |
| 50 #include "cc/trees/property_tree_builder.h" | |
| 51 #include "cc/trees/proxy_main.h" | |
| 52 #include "cc/trees/single_thread_proxy.h" | |
| 53 #include "cc/trees/swap_promise_manager.h" | |
| 54 #include "cc/trees/tree_synchronizer.h" | |
| 55 #include "ui/gfx/geometry/size_conversions.h" | |
| 56 #include "ui/gfx/geometry/vector2d_conversions.h" | |
| 57 | |
| 58 namespace { | |
| 59 static base::StaticAtomicSequenceNumber s_layer_tree_host_sequence_number; | |
| 60 } | |
| 61 | |
| 62 namespace cc { | |
| 63 | |
| 64 LayerTreeHostInProcess::InitParams::InitParams() {} | |
| 65 | |
| 66 LayerTreeHostInProcess::InitParams::~InitParams() {} | |
| 67 | |
| 68 std::unique_ptr<LayerTreeHostInProcess> LayerTreeHostInProcess::CreateThreaded( | |
| 69 scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner, | |
| 70 InitParams* params) { | |
| 71 DCHECK(params->main_task_runner.get()); | |
| 72 DCHECK(impl_task_runner.get()); | |
| 73 DCHECK(params->settings); | |
| 74 std::unique_ptr<LayerTreeHostInProcess> layer_tree_host( | |
| 75 new LayerTreeHostInProcess(params, CompositorMode::THREADED)); | |
| 76 layer_tree_host->InitializeThreaded(params->main_task_runner, | |
| 77 impl_task_runner); | |
| 78 return layer_tree_host; | |
| 79 } | |
| 80 | |
| 81 std::unique_ptr<LayerTreeHostInProcess> | |
| 82 LayerTreeHostInProcess::CreateSingleThreaded( | |
| 83 LayerTreeHostSingleThreadClient* single_thread_client, | |
| 84 InitParams* params) { | |
| 85 DCHECK(params->settings); | |
| 86 std::unique_ptr<LayerTreeHostInProcess> layer_tree_host( | |
| 87 new LayerTreeHostInProcess(params, CompositorMode::SINGLE_THREADED)); | |
| 88 layer_tree_host->InitializeSingleThreaded(single_thread_client, | |
| 89 params->main_task_runner); | |
| 90 return layer_tree_host; | |
| 91 } | |
| 92 | |
| 93 LayerTreeHostInProcess::LayerTreeHostInProcess(InitParams* params, | |
| 94 CompositorMode mode) | |
| 95 : LayerTreeHostInProcess( | |
| 96 params, | |
| 97 mode, | |
| 98 base::MakeUnique<LayerTree>(params->mutator_host, this)) {} | |
| 99 | |
| 100 LayerTreeHostInProcess::LayerTreeHostInProcess( | |
| 101 InitParams* params, | |
| 102 CompositorMode mode, | |
| 103 std::unique_ptr<LayerTree> layer_tree) | |
| 104 : micro_benchmark_controller_(this), | |
| 105 layer_tree_(std::move(layer_tree)), | |
| 106 compositor_mode_(mode), | |
| 107 ui_resource_manager_(base::MakeUnique<UIResourceManager>()), | |
| 108 client_(params->client), | |
| 109 source_frame_number_(0), | |
| 110 rendering_stats_instrumentation_(RenderingStatsInstrumentation::Create()), | |
| 111 settings_(*params->settings), | |
| 112 debug_state_(settings_.initial_debug_state), | |
| 113 visible_(false), | |
| 114 has_gpu_rasterization_trigger_(false), | |
| 115 content_is_suitable_for_gpu_rasterization_(true), | |
| 116 gpu_rasterization_histogram_recorded_(false), | |
| 117 did_complete_scale_animation_(false), | |
| 118 id_(s_layer_tree_host_sequence_number.GetNext() + 1), | |
| 119 task_graph_runner_(params->task_graph_runner), | |
| 120 image_worker_task_runner_(params->image_worker_task_runner) { | |
| 121 DCHECK(task_graph_runner_); | |
| 122 DCHECK(layer_tree_); | |
| 123 | |
| 124 rendering_stats_instrumentation_->set_record_rendering_stats( | |
| 125 debug_state_.RecordRenderingStats()); | |
| 126 } | |
| 127 | |
| 128 void LayerTreeHostInProcess::InitializeThreaded( | |
| 129 scoped_refptr<base::SingleThreadTaskRunner> main_task_runner, | |
| 130 scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner) { | |
| 131 task_runner_provider_ = | |
| 132 TaskRunnerProvider::Create(main_task_runner, impl_task_runner); | |
| 133 std::unique_ptr<ProxyMain> proxy_main = | |
| 134 base::MakeUnique<ProxyMain>(this, task_runner_provider_.get()); | |
| 135 InitializeProxy(std::move(proxy_main)); | |
| 136 } | |
| 137 | |
| 138 void LayerTreeHostInProcess::InitializeSingleThreaded( | |
| 139 LayerTreeHostSingleThreadClient* single_thread_client, | |
| 140 scoped_refptr<base::SingleThreadTaskRunner> main_task_runner) { | |
| 141 task_runner_provider_ = TaskRunnerProvider::Create(main_task_runner, nullptr); | |
| 142 InitializeProxy(SingleThreadProxy::Create(this, single_thread_client, | |
| 143 task_runner_provider_.get())); | |
| 144 } | |
| 145 | |
| 146 void LayerTreeHostInProcess::InitializeForTesting( | |
| 147 std::unique_ptr<TaskRunnerProvider> task_runner_provider, | |
| 148 std::unique_ptr<Proxy> proxy_for_testing) { | |
| 149 task_runner_provider_ = std::move(task_runner_provider); | |
| 150 InitializeProxy(std::move(proxy_for_testing)); | |
| 151 } | |
| 152 | |
| 153 void LayerTreeHostInProcess::SetTaskRunnerProviderForTesting( | |
| 154 std::unique_ptr<TaskRunnerProvider> task_runner_provider) { | |
| 155 DCHECK(!task_runner_provider_); | |
| 156 task_runner_provider_ = std::move(task_runner_provider); | |
| 157 } | |
| 158 | |
| 159 void LayerTreeHostInProcess::SetUIResourceManagerForTesting( | |
| 160 std::unique_ptr<UIResourceManager> ui_resource_manager) { | |
| 161 ui_resource_manager_ = std::move(ui_resource_manager); | |
| 162 } | |
| 163 | |
| 164 void LayerTreeHostInProcess::InitializeProxy(std::unique_ptr<Proxy> proxy) { | |
| 165 TRACE_EVENT0("cc", "LayerTreeHostInProcess::InitializeForReal"); | |
| 166 DCHECK(task_runner_provider_); | |
| 167 | |
| 168 proxy_ = std::move(proxy); | |
| 169 proxy_->Start(); | |
| 170 | |
| 171 layer_tree_->mutator_host()->SetSupportsScrollAnimations( | |
| 172 proxy_->SupportsImplScrolling()); | |
| 173 } | |
| 174 | |
| 175 LayerTreeHostInProcess::~LayerTreeHostInProcess() { | |
| 176 // Track when we're inside a main frame to see if compositor is being | |
| 177 // destroyed midway which causes a crash. crbug.com/654672 | |
| 178 CHECK(!inside_main_frame_); | |
| 179 TRACE_EVENT0("cc", "LayerTreeHostInProcess::~LayerTreeHostInProcess"); | |
| 180 | |
| 181 // Clear any references into the LayerTreeHostInProcess. | |
| 182 layer_tree_.reset(); | |
| 183 | |
| 184 if (proxy_) { | |
| 185 DCHECK(task_runner_provider_->IsMainThread()); | |
| 186 proxy_->Stop(); | |
| 187 | |
| 188 // Proxy must be destroyed before the Task Runner Provider. | |
| 189 proxy_ = nullptr; | |
| 190 } | |
| 191 } | |
| 192 | |
| 193 int LayerTreeHostInProcess::GetId() const { | |
| 194 return id_; | |
| 195 } | |
| 196 | |
| 197 int LayerTreeHostInProcess::SourceFrameNumber() const { | |
| 198 return source_frame_number_; | |
| 199 } | |
| 200 | |
| 201 LayerTree* LayerTreeHostInProcess::GetLayerTree() { | |
| 202 return layer_tree_.get(); | |
| 203 } | |
| 204 | |
| 205 const LayerTree* LayerTreeHostInProcess::GetLayerTree() const { | |
| 206 return layer_tree_.get(); | |
| 207 } | |
| 208 | |
| 209 UIResourceManager* LayerTreeHostInProcess::GetUIResourceManager() const { | |
| 210 return ui_resource_manager_.get(); | |
| 211 } | |
| 212 | |
| 213 TaskRunnerProvider* LayerTreeHostInProcess::GetTaskRunnerProvider() const { | |
| 214 return task_runner_provider_.get(); | |
| 215 } | |
| 216 | |
| 217 SwapPromiseManager* LayerTreeHostInProcess::GetSwapPromiseManager() { | |
| 218 return &swap_promise_manager_; | |
| 219 } | |
| 220 | |
| 221 const LayerTreeSettings& LayerTreeHostInProcess::GetSettings() const { | |
| 222 return settings_; | |
| 223 } | |
| 224 | |
| 225 void LayerTreeHostInProcess::SetFrameSinkId(const FrameSinkId& frame_sink_id) { | |
| 226 surface_sequence_generator_.set_frame_sink_id(frame_sink_id); | |
| 227 } | |
| 228 | |
| 229 void LayerTreeHostInProcess::QueueSwapPromise( | |
| 230 std::unique_ptr<SwapPromise> swap_promise) { | |
| 231 swap_promise_manager_.QueueSwapPromise(std::move(swap_promise)); | |
| 232 } | |
| 233 | |
| 234 SurfaceSequenceGenerator* | |
| 235 LayerTreeHostInProcess::GetSurfaceSequenceGenerator() { | |
| 236 return &surface_sequence_generator_; | |
| 237 } | |
| 238 | |
| 239 void LayerTreeHostInProcess::WillBeginMainFrame() { | |
| 240 inside_main_frame_ = true; | |
| 241 devtools_instrumentation::WillBeginMainThreadFrame(GetId(), | |
| 242 SourceFrameNumber()); | |
| 243 client_->WillBeginMainFrame(); | |
| 244 } | |
| 245 | |
| 246 void LayerTreeHostInProcess::DidBeginMainFrame() { | |
| 247 inside_main_frame_ = false; | |
| 248 client_->DidBeginMainFrame(); | |
| 249 } | |
| 250 | |
| 251 void LayerTreeHostInProcess::BeginMainFrameNotExpectedSoon() { | |
| 252 client_->BeginMainFrameNotExpectedSoon(); | |
| 253 } | |
| 254 | |
| 255 void LayerTreeHostInProcess::BeginMainFrame(const BeginFrameArgs& args) { | |
| 256 client_->BeginMainFrame(args); | |
| 257 } | |
| 258 | |
| 259 void LayerTreeHostInProcess::DidStopFlinging() { | |
| 260 proxy_->MainThreadHasStoppedFlinging(); | |
| 261 } | |
| 262 | |
| 263 const LayerTreeDebugState& LayerTreeHostInProcess::GetDebugState() const { | |
| 264 return debug_state_; | |
| 265 } | |
| 266 | |
| 267 void LayerTreeHostInProcess::RequestMainFrameUpdate() { | |
| 268 client_->UpdateLayerTreeHost(); | |
| 269 } | |
| 270 | |
| 271 // This function commits the LayerTreeHost to an impl tree. When modifying | |
| 272 // this function, keep in mind that the function *runs* on the impl thread! Any | |
| 273 // code that is logically a main thread operation, e.g. deletion of a Layer, | |
| 274 // should be delayed until the LayerTreeHostInProcess::CommitComplete, which | |
| 275 // will run after the commit, but on the main thread. | |
| 276 void LayerTreeHostInProcess::FinishCommitOnImplThread( | |
| 277 LayerTreeHostImpl* host_impl) { | |
| 278 DCHECK(task_runner_provider_->IsImplThread()); | |
| 279 | |
| 280 bool is_new_trace; | |
| 281 TRACE_EVENT_IS_NEW_TRACE(&is_new_trace); | |
| 282 if (is_new_trace && | |
| 283 frame_viewer_instrumentation::IsTracingLayerTreeSnapshots() && | |
| 284 layer_tree_->root_layer()) { | |
| 285 LayerTreeHostCommon::CallFunctionForEveryLayer( | |
| 286 layer_tree_.get(), [](Layer* layer) { layer->DidBeginTracing(); }); | |
| 287 } | |
| 288 | |
| 289 LayerTreeImpl* sync_tree = host_impl->sync_tree(); | |
| 290 | |
| 291 if (next_commit_forces_redraw_) { | |
| 292 sync_tree->ForceRedrawNextActivation(); | |
| 293 next_commit_forces_redraw_ = false; | |
| 294 } | |
| 295 if (next_commit_forces_recalculate_raster_scales_) { | |
| 296 sync_tree->ForceRecalculateRasterScales(); | |
| 297 next_commit_forces_recalculate_raster_scales_ = false; | |
| 298 } | |
| 299 | |
| 300 sync_tree->set_source_frame_number(SourceFrameNumber()); | |
| 301 | |
| 302 if (layer_tree_->needs_full_tree_sync()) | |
| 303 TreeSynchronizer::SynchronizeTrees(layer_tree_->root_layer(), sync_tree); | |
| 304 | |
| 305 layer_tree_->PushPropertiesTo(sync_tree); | |
| 306 | |
| 307 sync_tree->PassSwapPromises(swap_promise_manager_.TakeSwapPromises()); | |
| 308 | |
| 309 host_impl->SetHasGpuRasterizationTrigger(has_gpu_rasterization_trigger_); | |
| 310 host_impl->SetContentIsSuitableForGpuRasterization( | |
| 311 content_is_suitable_for_gpu_rasterization_); | |
| 312 RecordGpuRasterizationHistogram(); | |
| 313 | |
| 314 host_impl->SetViewportSize(layer_tree_->device_viewport_size()); | |
| 315 sync_tree->SetDeviceScaleFactor(layer_tree_->device_scale_factor()); | |
| 316 host_impl->SetDebugState(debug_state_); | |
| 317 | |
| 318 sync_tree->set_ui_resource_request_queue( | |
| 319 ui_resource_manager_->TakeUIResourcesRequests()); | |
| 320 | |
| 321 { | |
| 322 TRACE_EVENT0("cc", "LayerTreeHostInProcess::PushProperties"); | |
| 323 | |
| 324 TreeSynchronizer::PushLayerProperties(layer_tree_.get(), sync_tree); | |
| 325 | |
| 326 // This must happen after synchronizing property trees and after pushing | |
| 327 // properties, which updates the clobber_active_value flag. | |
| 328 sync_tree->property_trees()->scroll_tree.PushScrollUpdatesFromMainThread( | |
| 329 layer_tree_->property_trees(), sync_tree); | |
| 330 | |
| 331 // This must happen after synchronizing property trees and after push | |
| 332 // properties, which updates property tree indices, but before animation | |
| 333 // host pushes properties as animation host push properties can change | |
| 334 // Animation::InEffect and we want the old InEffect value for updating | |
| 335 // property tree scrolling and animation. | |
| 336 sync_tree->UpdatePropertyTreeScrollingAndAnimationFromMainThread(); | |
| 337 | |
| 338 TRACE_EVENT0("cc", "LayerTreeHostInProcess::AnimationHost::PushProperties"); | |
| 339 DCHECK(host_impl->mutator_host()); | |
| 340 layer_tree_->mutator_host()->PushPropertiesTo(host_impl->mutator_host()); | |
| 341 } | |
| 342 | |
| 343 micro_benchmark_controller_.ScheduleImplBenchmarks(host_impl); | |
| 344 layer_tree_->property_trees()->ResetAllChangeTracking(); | |
| 345 } | |
| 346 | |
| 347 void LayerTreeHostInProcess::WillCommit() { | |
| 348 swap_promise_manager_.WillCommit(); | |
| 349 client_->WillCommit(); | |
| 350 } | |
| 351 | |
| 352 void LayerTreeHostInProcess::UpdateHudLayer() {} | |
| 353 | |
| 354 void LayerTreeHostInProcess::CommitComplete() { | |
| 355 source_frame_number_++; | |
| 356 client_->DidCommit(); | |
| 357 if (did_complete_scale_animation_) { | |
| 358 client_->DidCompletePageScaleAnimation(); | |
| 359 did_complete_scale_animation_ = false; | |
| 360 } | |
| 361 } | |
| 362 | |
| 363 void LayerTreeHostInProcess::SetCompositorFrameSink( | |
| 364 std::unique_ptr<CompositorFrameSink> surface) { | |
| 365 TRACE_EVENT0("cc", "LayerTreeHostInProcess::SetCompositorFrameSink"); | |
| 366 DCHECK(surface); | |
| 367 | |
| 368 DCHECK(!new_compositor_frame_sink_); | |
| 369 new_compositor_frame_sink_ = std::move(surface); | |
| 370 proxy_->SetCompositorFrameSink(new_compositor_frame_sink_.get()); | |
| 371 } | |
| 372 | |
| 373 std::unique_ptr<CompositorFrameSink> | |
| 374 LayerTreeHostInProcess::ReleaseCompositorFrameSink() { | |
| 375 DCHECK(!visible_); | |
| 376 | |
| 377 DidLoseCompositorFrameSink(); | |
| 378 proxy_->ReleaseCompositorFrameSink(); | |
| 379 return std::move(current_compositor_frame_sink_); | |
| 380 } | |
| 381 | |
| 382 void LayerTreeHostInProcess::RequestNewCompositorFrameSink() { | |
| 383 client_->RequestNewCompositorFrameSink(); | |
| 384 } | |
| 385 | |
| 386 void LayerTreeHostInProcess::DidInitializeCompositorFrameSink() { | |
| 387 DCHECK(new_compositor_frame_sink_); | |
| 388 current_compositor_frame_sink_ = std::move(new_compositor_frame_sink_); | |
| 389 client_->DidInitializeCompositorFrameSink(); | |
| 390 } | |
| 391 | |
| 392 void LayerTreeHostInProcess::DidFailToInitializeCompositorFrameSink() { | |
| 393 DCHECK(new_compositor_frame_sink_); | |
| 394 // Note: It is safe to drop all output surface references here as | |
| 395 // LayerTreeHostImpl will not keep a pointer to either the old or | |
| 396 // new CompositorFrameSink after failing to initialize the new one. | |
| 397 current_compositor_frame_sink_ = nullptr; | |
| 398 new_compositor_frame_sink_ = nullptr; | |
| 399 client_->DidFailToInitializeCompositorFrameSink(); | |
| 400 } | |
| 401 | |
| 402 std::unique_ptr<LayerTreeHostImpl> | |
| 403 LayerTreeHostInProcess::CreateLayerTreeHostImpl( | |
| 404 LayerTreeHostImplClient* client) { | |
| 405 DCHECK(task_runner_provider_->IsImplThread()); | |
| 406 | |
| 407 const bool supports_impl_scrolling = task_runner_provider_->HasImplThread(); | |
| 408 std::unique_ptr<MutatorHost> mutator_host_impl = | |
| 409 layer_tree_->mutator_host()->CreateImplInstance(supports_impl_scrolling); | |
| 410 | |
| 411 std::unique_ptr<LayerTreeHostImpl> host_impl = LayerTreeHostImpl::Create( | |
| 412 settings_, client, task_runner_provider_.get(), | |
| 413 rendering_stats_instrumentation_.get(), task_graph_runner_, | |
| 414 std::move(mutator_host_impl), id_, std::move(image_worker_task_runner_)); | |
| 415 host_impl->SetHasGpuRasterizationTrigger(has_gpu_rasterization_trigger_); | |
| 416 host_impl->SetContentIsSuitableForGpuRasterization( | |
| 417 content_is_suitable_for_gpu_rasterization_); | |
| 418 task_graph_runner_ = NULL; | |
| 419 input_handler_weak_ptr_ = host_impl->AsWeakPtr(); | |
| 420 return host_impl; | |
| 421 } | |
| 422 | |
| 423 void LayerTreeHostInProcess::DidLoseCompositorFrameSink() { | |
| 424 TRACE_EVENT0("cc", "LayerTreeHostInProcess::DidLoseCompositorFrameSink"); | |
| 425 DCHECK(task_runner_provider_->IsMainThread()); | |
| 426 SetNeedsCommit(); | |
| 427 } | |
| 428 | |
| 429 void LayerTreeHostInProcess::SetDeferCommits(bool defer_commits) { | |
| 430 proxy_->SetDeferCommits(defer_commits); | |
| 431 } | |
| 432 | |
| 433 DISABLE_CFI_PERF | |
| 434 void LayerTreeHostInProcess::SetNeedsAnimate() { | |
| 435 proxy_->SetNeedsAnimate(); | |
| 436 swap_promise_manager_.NotifySwapPromiseMonitorsOfSetNeedsCommit(); | |
| 437 } | |
| 438 | |
| 439 DISABLE_CFI_PERF | |
| 440 void LayerTreeHostInProcess::SetNeedsUpdateLayers() { | |
| 441 proxy_->SetNeedsUpdateLayers(); | |
| 442 swap_promise_manager_.NotifySwapPromiseMonitorsOfSetNeedsCommit(); | |
| 443 } | |
| 444 | |
| 445 void LayerTreeHostInProcess::SetNeedsCommit() { | |
| 446 proxy_->SetNeedsCommit(); | |
| 447 swap_promise_manager_.NotifySwapPromiseMonitorsOfSetNeedsCommit(); | |
| 448 } | |
| 449 | |
| 450 void LayerTreeHostInProcess::SetNeedsRecalculateRasterScales() { | |
| 451 next_commit_forces_recalculate_raster_scales_ = true; | |
| 452 proxy_->SetNeedsCommit(); | |
| 453 } | |
| 454 | |
| 455 void LayerTreeHostInProcess::SetNeedsRedrawRect(const gfx::Rect& damage_rect) { | |
| 456 proxy_->SetNeedsRedraw(damage_rect); | |
| 457 } | |
| 458 | |
| 459 bool LayerTreeHostInProcess::CommitRequested() const { | |
| 460 return proxy_->CommitRequested(); | |
| 461 } | |
| 462 | |
| 463 void LayerTreeHostInProcess::SetNextCommitWaitsForActivation() { | |
| 464 proxy_->SetNextCommitWaitsForActivation(); | |
| 465 } | |
| 466 | |
| 467 void LayerTreeHostInProcess::SetNextCommitForcesRedraw() { | |
| 468 next_commit_forces_redraw_ = true; | |
| 469 proxy_->SetNeedsUpdateLayers(); | |
| 470 } | |
| 471 | |
| 472 void LayerTreeHostInProcess::SetAnimationEvents( | |
| 473 std::unique_ptr<MutatorEvents> events) { | |
| 474 DCHECK(task_runner_provider_->IsMainThread()); | |
| 475 layer_tree_->mutator_host()->SetAnimationEvents(std::move(events)); | |
| 476 } | |
| 477 | |
| 478 void LayerTreeHostInProcess::SetDebugState( | |
| 479 const LayerTreeDebugState& debug_state) { | |
| 480 LayerTreeDebugState new_debug_state = | |
| 481 LayerTreeDebugState::Unite(settings_.initial_debug_state, debug_state); | |
| 482 | |
| 483 if (LayerTreeDebugState::Equal(debug_state_, new_debug_state)) | |
| 484 return; | |
| 485 | |
| 486 debug_state_ = new_debug_state; | |
| 487 | |
| 488 rendering_stats_instrumentation_->set_record_rendering_stats( | |
| 489 debug_state_.RecordRenderingStats()); | |
| 490 | |
| 491 SetNeedsCommit(); | |
| 492 } | |
| 493 | |
| 494 void LayerTreeHostInProcess::ResetGpuRasterizationTracking() { | |
| 495 content_is_suitable_for_gpu_rasterization_ = true; | |
| 496 gpu_rasterization_histogram_recorded_ = false; | |
| 497 } | |
| 498 | |
| 499 void LayerTreeHostInProcess::SetHasGpuRasterizationTrigger(bool has_trigger) { | |
| 500 if (has_trigger == has_gpu_rasterization_trigger_) | |
| 501 return; | |
| 502 | |
| 503 has_gpu_rasterization_trigger_ = has_trigger; | |
| 504 TRACE_EVENT_INSTANT1( | |
| 505 "cc", "LayerTreeHostInProcess::SetHasGpuRasterizationTrigger", | |
| 506 TRACE_EVENT_SCOPE_THREAD, "has_trigger", has_gpu_rasterization_trigger_); | |
| 507 } | |
| 508 | |
| 509 void LayerTreeHostInProcess::ApplyPageScaleDeltaFromImplSide( | |
| 510 float page_scale_delta) { | |
| 511 DCHECK(CommitRequested()); | |
| 512 if (page_scale_delta == 1.f) | |
| 513 return; | |
| 514 float page_scale = layer_tree_->page_scale_factor() * page_scale_delta; | |
| 515 layer_tree_->SetPageScaleFromImplSide(page_scale); | |
| 516 } | |
| 517 | |
| 518 void LayerTreeHostInProcess::SetVisible(bool visible) { | |
| 519 if (visible_ == visible) | |
| 520 return; | |
| 521 visible_ = visible; | |
| 522 proxy_->SetVisible(visible); | |
| 523 } | |
| 524 | |
| 525 bool LayerTreeHostInProcess::IsVisible() const { | |
| 526 return visible_; | |
| 527 } | |
| 528 | |
| 529 void LayerTreeHostInProcess::NotifyInputThrottledUntilCommit() { | |
| 530 proxy_->NotifyInputThrottledUntilCommit(); | |
| 531 } | |
| 532 | |
| 533 void LayerTreeHostInProcess::LayoutAndUpdateLayers() { | |
| 534 DCHECK(IsSingleThreaded()); | |
| 535 // This function is only valid when not using the scheduler. | |
| 536 DCHECK(!settings_.single_thread_proxy_scheduler); | |
| 537 RequestMainFrameUpdate(); | |
| 538 UpdateLayers(); | |
| 539 } | |
| 540 | |
| 541 void LayerTreeHostInProcess::Composite(base::TimeTicks frame_begin_time) { | |
| 542 DCHECK(IsSingleThreaded()); | |
| 543 // This function is only valid when not using the scheduler. | |
| 544 DCHECK(!settings_.single_thread_proxy_scheduler); | |
| 545 SingleThreadProxy* proxy = static_cast<SingleThreadProxy*>(proxy_.get()); | |
| 546 | |
| 547 proxy->CompositeImmediately(frame_begin_time); | |
| 548 } | |
| 549 | |
| 550 static int GetLayersUpdateTimeHistogramBucket(size_t numLayers) { | |
| 551 // We uses the following exponential (ratio 2) bucketization: | |
| 552 // [0, 10), [10, 30), [30, 70), [70, 150), [150, infinity) | |
| 553 if (numLayers < 10) | |
| 554 return 0; | |
| 555 if (numLayers < 30) | |
| 556 return 1; | |
| 557 if (numLayers < 70) | |
| 558 return 2; | |
| 559 if (numLayers < 150) | |
| 560 return 3; | |
| 561 return 4; | |
| 562 } | |
| 563 | |
| 564 bool LayerTreeHostInProcess::UpdateLayers() { | |
| 565 if (!layer_tree_->root_layer()) { | |
| 566 layer_tree_->property_trees()->clear(); | |
| 567 return false; | |
| 568 } | |
| 569 DCHECK(!layer_tree_->root_layer()->parent()); | |
| 570 base::ElapsedTimer timer; | |
| 571 | |
| 572 bool result = DoUpdateLayers(layer_tree_->root_layer()); | |
| 573 micro_benchmark_controller_.DidUpdateLayers(); | |
| 574 | |
| 575 if (const char* client_name = GetClientNameForMetrics()) { | |
| 576 std::string histogram_name = base::StringPrintf( | |
| 577 "Compositing.%s.LayersUpdateTime.%d", client_name, | |
| 578 GetLayersUpdateTimeHistogramBucket(layer_tree_->NumLayers())); | |
| 579 base::Histogram::FactoryGet(histogram_name, 0, 10000000, 50, | |
| 580 base::HistogramBase::kUmaTargetedHistogramFlag) | |
| 581 ->Add(timer.Elapsed().InMicroseconds()); | |
| 582 } | |
| 583 | |
| 584 return result || next_commit_forces_redraw_; | |
| 585 } | |
| 586 | |
| 587 void LayerTreeHostInProcess::DidCompletePageScaleAnimation() { | |
| 588 did_complete_scale_animation_ = true; | |
| 589 } | |
| 590 | |
| 591 void LayerTreeHostInProcess::RecordGpuRasterizationHistogram() { | |
| 592 // Gpu rasterization is only supported for Renderer compositors. | |
| 593 // Checking for IsSingleThreaded() to exclude Browser compositors. | |
| 594 if (gpu_rasterization_histogram_recorded_ || IsSingleThreaded()) | |
| 595 return; | |
| 596 | |
| 597 // Record how widely gpu rasterization is enabled. | |
| 598 // This number takes device/gpu whitelisting/backlisting into account. | |
| 599 // Note that we do not consider the forced gpu rasterization mode, which is | |
| 600 // mostly used for debugging purposes. | |
| 601 UMA_HISTOGRAM_BOOLEAN("Renderer4.GpuRasterizationEnabled", | |
| 602 settings_.gpu_rasterization_enabled); | |
| 603 if (settings_.gpu_rasterization_enabled) { | |
| 604 UMA_HISTOGRAM_BOOLEAN("Renderer4.GpuRasterizationTriggered", | |
| 605 has_gpu_rasterization_trigger_); | |
| 606 UMA_HISTOGRAM_BOOLEAN("Renderer4.GpuRasterizationSuitableContent", | |
| 607 content_is_suitable_for_gpu_rasterization_); | |
| 608 // Record how many pages actually get gpu rasterization when enabled. | |
| 609 UMA_HISTOGRAM_BOOLEAN("Renderer4.GpuRasterizationUsed", | |
| 610 (has_gpu_rasterization_trigger_ && | |
| 611 content_is_suitable_for_gpu_rasterization_)); | |
| 612 } | |
| 613 | |
| 614 gpu_rasterization_histogram_recorded_ = true; | |
| 615 } | |
| 616 | |
| 617 bool LayerTreeHostInProcess::DoUpdateLayers(Layer* root_layer) { | |
| 618 TRACE_EVENT1("cc", "LayerTreeHostInProcess::DoUpdateLayers", | |
| 619 "source_frame_number", SourceFrameNumber()); | |
| 620 | |
| 621 layer_tree_->UpdateHudLayer(debug_state_.ShowHudInfo()); | |
| 622 UpdateHudLayer(); | |
| 623 | |
| 624 Layer* root_scroll = | |
| 625 PropertyTreeBuilder::FindFirstScrollableLayer(root_layer); | |
| 626 Layer* page_scale_layer = layer_tree_->page_scale_layer(); | |
| 627 if (!page_scale_layer && root_scroll) | |
| 628 page_scale_layer = root_scroll->parent(); | |
| 629 | |
| 630 if (layer_tree_->hud_layer()) { | |
| 631 layer_tree_->hud_layer()->PrepareForCalculateDrawProperties( | |
| 632 layer_tree_->device_viewport_size(), | |
| 633 layer_tree_->device_scale_factor()); | |
| 634 } | |
| 635 | |
| 636 gfx::Transform identity_transform; | |
| 637 LayerList update_layer_list; | |
| 638 | |
| 639 { | |
| 640 TRACE_EVENT0("cc", | |
| 641 "LayerTreeHostInProcess::UpdateLayers::BuildPropertyTrees"); | |
| 642 TRACE_EVENT0( | |
| 643 TRACE_DISABLED_BY_DEFAULT("cc.debug.cdp-perf"), | |
| 644 "LayerTreeHostInProcessCommon::ComputeVisibleRectsWithPropertyTrees"); | |
| 645 PropertyTreeBuilder::PreCalculateMetaInformation(root_layer); | |
| 646 bool can_render_to_separate_surface = true; | |
| 647 PropertyTrees* property_trees = layer_tree_->property_trees(); | |
| 648 if (!settings_.use_layer_lists) { | |
| 649 // If use_layer_lists is set, then the property trees should have been | |
| 650 // built by the client already. | |
| 651 PropertyTreeBuilder::BuildPropertyTrees( | |
| 652 root_layer, page_scale_layer, | |
| 653 layer_tree_->inner_viewport_scroll_layer(), | |
| 654 layer_tree_->outer_viewport_scroll_layer(), | |
| 655 layer_tree_->overscroll_elasticity_layer(), | |
| 656 layer_tree_->elastic_overscroll(), layer_tree_->page_scale_factor(), | |
| 657 layer_tree_->device_scale_factor(), | |
| 658 gfx::Rect(layer_tree_->device_viewport_size()), identity_transform, | |
| 659 property_trees); | |
| 660 TRACE_EVENT_INSTANT1( | |
| 661 "cc", "LayerTreeHostInProcess::UpdateLayers_BuiltPropertyTrees", | |
| 662 TRACE_EVENT_SCOPE_THREAD, "property_trees", | |
| 663 property_trees->AsTracedValue()); | |
| 664 } else { | |
| 665 TRACE_EVENT_INSTANT1( | |
| 666 "cc", "LayerTreeHostInProcess::UpdateLayers_ReceivedPropertyTrees", | |
| 667 TRACE_EVENT_SCOPE_THREAD, "property_trees", | |
| 668 property_trees->AsTracedValue()); | |
| 669 } | |
| 670 draw_property_utils::UpdatePropertyTrees(property_trees, | |
| 671 can_render_to_separate_surface); | |
| 672 draw_property_utils::FindLayersThatNeedUpdates( | |
| 673 layer_tree_.get(), property_trees, &update_layer_list); | |
| 674 } | |
| 675 | |
| 676 for (const auto& layer : update_layer_list) | |
| 677 layer->SavePaintProperties(); | |
| 678 | |
| 679 bool content_is_suitable_for_gpu = true; | |
| 680 bool did_paint_content = layer_tree_->UpdateLayers( | |
| 681 update_layer_list, &content_is_suitable_for_gpu); | |
| 682 | |
| 683 if (content_is_suitable_for_gpu) { | |
| 684 ++num_consecutive_frames_suitable_for_gpu_; | |
| 685 if (num_consecutive_frames_suitable_for_gpu_ >= | |
| 686 kNumFramesToConsiderBeforeGpuRasterization) { | |
| 687 content_is_suitable_for_gpu_rasterization_ = true; | |
| 688 } | |
| 689 } else { | |
| 690 num_consecutive_frames_suitable_for_gpu_ = 0; | |
| 691 content_is_suitable_for_gpu_rasterization_ = false; | |
| 692 } | |
| 693 return did_paint_content; | |
| 694 } | |
| 695 | |
| 696 void LayerTreeHostInProcess::ApplyViewportDeltas(ScrollAndScaleSet* info) { | |
| 697 gfx::Vector2dF inner_viewport_scroll_delta; | |
| 698 if (info->inner_viewport_scroll.layer_id != Layer::INVALID_ID) | |
| 699 inner_viewport_scroll_delta = info->inner_viewport_scroll.scroll_delta; | |
| 700 | |
| 701 if (inner_viewport_scroll_delta.IsZero() && info->page_scale_delta == 1.f && | |
| 702 info->elastic_overscroll_delta.IsZero() && !info->top_controls_delta) | |
| 703 return; | |
| 704 | |
| 705 // Preemptively apply the scroll offset and scale delta here before sending | |
| 706 // it to the client. If the client comes back and sets it to the same | |
| 707 // value, then the layer can early out without needing a full commit. | |
| 708 if (layer_tree_->inner_viewport_scroll_layer()) { | |
| 709 layer_tree_->inner_viewport_scroll_layer()->SetScrollOffsetFromImplSide( | |
| 710 gfx::ScrollOffsetWithDelta( | |
| 711 layer_tree_->inner_viewport_scroll_layer()->scroll_offset(), | |
| 712 inner_viewport_scroll_delta)); | |
| 713 } | |
| 714 | |
| 715 ApplyPageScaleDeltaFromImplSide(info->page_scale_delta); | |
| 716 layer_tree_->SetElasticOverscrollFromImplSide( | |
| 717 layer_tree_->elastic_overscroll() + info->elastic_overscroll_delta); | |
| 718 // TODO(ccameron): pass the elastic overscroll here so that input events | |
| 719 // may be translated appropriately. | |
| 720 client_->ApplyViewportDeltas(inner_viewport_scroll_delta, gfx::Vector2dF(), | |
| 721 info->elastic_overscroll_delta, | |
| 722 info->page_scale_delta, | |
| 723 info->top_controls_delta); | |
| 724 SetNeedsUpdateLayers(); | |
| 725 } | |
| 726 | |
| 727 void LayerTreeHostInProcess::ApplyScrollAndScale(ScrollAndScaleSet* info) { | |
| 728 for (auto& swap_promise : info->swap_promises) { | |
| 729 TRACE_EVENT_WITH_FLOW1("input,benchmark", "LatencyInfo.Flow", | |
| 730 TRACE_ID_DONT_MANGLE(swap_promise->TraceId()), | |
| 731 TRACE_EVENT_FLAG_FLOW_IN | TRACE_EVENT_FLAG_FLOW_OUT, | |
| 732 "step", "Main thread scroll update"); | |
| 733 swap_promise_manager_.QueueSwapPromise(std::move(swap_promise)); | |
| 734 } | |
| 735 | |
| 736 if (layer_tree_->root_layer()) { | |
| 737 for (size_t i = 0; i < info->scrolls.size(); ++i) { | |
| 738 Layer* layer = layer_tree_->LayerById(info->scrolls[i].layer_id); | |
| 739 if (!layer) | |
| 740 continue; | |
| 741 layer->SetScrollOffsetFromImplSide(gfx::ScrollOffsetWithDelta( | |
| 742 layer->scroll_offset(), info->scrolls[i].scroll_delta)); | |
| 743 SetNeedsUpdateLayers(); | |
| 744 } | |
| 745 for (size_t i = 0; i < info->scrollbars.size(); ++i) { | |
| 746 Layer* layer = layer_tree_->LayerById(info->scrollbars[i].layer_id); | |
| 747 if (!layer) | |
| 748 continue; | |
| 749 layer->SetScrollbarsHiddenFromImplSide(info->scrollbars[i].hidden); | |
| 750 } | |
| 751 } | |
| 752 | |
| 753 // This needs to happen after scroll deltas have been sent to prevent top | |
| 754 // controls from clamping the layout viewport both on the compositor and | |
| 755 // on the main thread. | |
| 756 ApplyViewportDeltas(info); | |
| 757 } | |
| 758 | |
| 759 const base::WeakPtr<InputHandler>& LayerTreeHostInProcess::GetInputHandler() | |
| 760 const { | |
| 761 return input_handler_weak_ptr_; | |
| 762 } | |
| 763 | |
| 764 void LayerTreeHostInProcess::UpdateBrowserControlsState( | |
| 765 BrowserControlsState constraints, | |
| 766 BrowserControlsState current, | |
| 767 bool animate) { | |
| 768 // Browser controls are only used in threaded mode. | |
| 769 DCHECK(IsThreaded()); | |
| 770 proxy_->UpdateBrowserControlsState(constraints, current, animate); | |
| 771 } | |
| 772 | |
| 773 void LayerTreeHostInProcess::AnimateLayers(base::TimeTicks monotonic_time) { | |
| 774 MutatorHost* mutator_host = layer_tree_->mutator_host(); | |
| 775 std::unique_ptr<MutatorEvents> events = mutator_host->CreateEvents(); | |
| 776 | |
| 777 if (mutator_host->TickAnimations(monotonic_time)) | |
| 778 mutator_host->UpdateAnimationState(true, events.get()); | |
| 779 | |
| 780 if (!events->IsEmpty()) | |
| 781 layer_tree_->property_trees()->needs_rebuild = true; | |
| 782 } | |
| 783 | |
| 784 int LayerTreeHostInProcess::ScheduleMicroBenchmark( | |
| 785 const std::string& benchmark_name, | |
| 786 std::unique_ptr<base::Value> value, | |
| 787 const MicroBenchmark::DoneCallback& callback) { | |
| 788 return micro_benchmark_controller_.ScheduleRun(benchmark_name, | |
| 789 std::move(value), callback); | |
| 790 } | |
| 791 | |
| 792 bool LayerTreeHostInProcess::SendMessageToMicroBenchmark( | |
| 793 int id, | |
| 794 std::unique_ptr<base::Value> value) { | |
| 795 return micro_benchmark_controller_.SendMessage(id, std::move(value)); | |
| 796 } | |
| 797 | |
| 798 void LayerTreeHostInProcess::SetLayerTreeMutator( | |
| 799 std::unique_ptr<LayerTreeMutator> mutator) { | |
| 800 proxy_->SetMutator(std::move(mutator)); | |
| 801 } | |
| 802 | |
| 803 bool LayerTreeHostInProcess::IsSingleThreaded() const { | |
| 804 DCHECK(compositor_mode_ != CompositorMode::SINGLE_THREADED || | |
| 805 !task_runner_provider_->HasImplThread()); | |
| 806 return compositor_mode_ == CompositorMode::SINGLE_THREADED; | |
| 807 } | |
| 808 | |
| 809 bool LayerTreeHostInProcess::IsThreaded() const { | |
| 810 DCHECK(compositor_mode_ != CompositorMode::THREADED || | |
| 811 task_runner_provider_->HasImplThread()); | |
| 812 return compositor_mode_ == CompositorMode::THREADED; | |
| 813 } | |
| 814 | |
| 815 } // namespace cc | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2650303002:
cc: Remove the LayerTreeHost abstraction. (Closed)
