layer_tree_host_impl.cc revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd
12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Copyright 2011 The Chromium Authors. All rights reserved. 22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// found in the LICENSE file. 42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/trees/layer_tree_host_impl.h" 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include <algorithm> 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/basictypes.h" 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/debug/trace_event.h" 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/json/json_writer.h" 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/metrics/histogram.h" 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/stl_util.h" 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/stringprintf.h" 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/animation/scrollbar_animation_controller.h" 162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/base/math_util.h" 172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/base/util.h" 182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/debug/debug_rect_history.h" 192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/debug/frame_rate_counter.h" 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/debug/overdraw_metrics.h" 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/debug/paint_time_counter.h" 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/debug/rendering_stats_instrumentation.h" 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/input/page_scale_animation.h" 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/input/top_controls_manager.h" 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/layers/append_quads_data.h" 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/layers/heads_up_display_layer_impl.h" 272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/layers/layer_iterator.h" 282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/layers/scrollbar_layer_impl.h" 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/output/compositor_frame_metadata.h" 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/output/delegating_renderer.h" 312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/output/gl_renderer.h" 322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/output/software_renderer.h" 332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/quads/render_pass_draw_quad.h" 342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/quads/shared_quad_state.h" 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/quads/solid_color_draw_quad.h" 362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/resources/memory_history.h" 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/resources/picture_layer_tiling.h" 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/resources/prioritized_resource_manager.h" 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/scheduler/delay_based_time_source.h" 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/scheduler/texture_uploader.h" 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/trees/damage_tracker.h" 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/trees/layer_tree_host.h" 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/trees/layer_tree_host_common.h" 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/trees/layer_tree_impl.h" 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/trees/quad_culler.h" 462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/trees/single_thread_proxy.h" 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "cc/trees/tree_synchronizer.h" 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/gfx/size_conversions.h" 492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/gfx/vector2d_conversions.h" 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace { 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void DidVisibilityChange(cc::LayerTreeHostImpl* id, bool visible) { 542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (visible) { 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_ASYNC_BEGIN1("webkit", 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "LayerTreeHostImpl::SetVisible", 572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) id, 582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "LayerTreeHostImpl", 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) id); 602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_ASYNC_END0("webkit", "LayerTreeHostImpl::SetVisible", id); 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)std::string ValueToString(scoped_ptr<base::Value> value) { 672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::string str; 682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::JSONWriter::Write(value.get(), &str); 692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return str; 702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} // namespace 732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace cc { 752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)class LayerTreeHostImplTimeSourceAdapter : public TimeSourceClient { 772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) public: 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static scoped_ptr<LayerTreeHostImplTimeSourceAdapter> Create( 792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeHostImpl* layer_tree_host_impl, 802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<DelayBasedTimeSource> time_source) { 812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return make_scoped_ptr( 822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) new LayerTreeHostImplTimeSourceAdapter(layer_tree_host_impl, 832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) time_source)); 842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual ~LayerTreeHostImplTimeSourceAdapter() { 862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) time_source_->SetClient(NULL); 872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) time_source_->SetActive(false); 882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void OnTimerTick() OVERRIDE { 912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // In single threaded mode we attempt to simulate changing the current 922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // thread by maintaining a fake thread id. When we switch from one 932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // thread to another, we construct DebugScopedSetXXXThread objects that 942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // update the thread id. This lets DCHECKS that ensure we're on the 952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // right thread to work correctly in single threaded mode. The problem 962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // here is that the timer tasks are run via the message loop, and when 972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // they run, we've had no chance to construct a DebugScopedSetXXXThread 982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // object. The result is that we report that we're running on the main 992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // thread. In multi-threaded mode, this timer is run on the compositor 1002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // thread, so to keep this consistent in single-threaded mode, we'll 1012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // construct a DebugScopedSetImplThread object. There is no need to do 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // this in multi-threaded mode since the real thread id's will be 1032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // correct. In fact, setting fake thread id's interferes with the real 1042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // thread id's and causes breakage. 1052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<DebugScopedSetImplThread> set_impl_thread; 1062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!layer_tree_host_impl_->proxy()->HasImplThread()) { 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) set_impl_thread.reset( 1082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) new DebugScopedSetImplThread(layer_tree_host_impl_->proxy())); 1092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_tree_host_impl_->ActivatePendingTreeIfNeeded(); 1122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_tree_host_impl_->Animate(base::TimeTicks::Now(), base::Time::Now()); 1132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_tree_host_impl_->BeginNextFrame(); 1142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetActive(bool active) { 1172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active != time_source_->Active()) 1182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) time_source_->SetActive(active); 1192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) private: 1222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeHostImplTimeSourceAdapter( 1232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeHostImpl* layer_tree_host_impl, 1242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<DelayBasedTimeSource> time_source) 1252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : layer_tree_host_impl_(layer_tree_host_impl), 1262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) time_source_(time_source) { 1272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) time_source_->SetClient(this); 1282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeHostImpl* layer_tree_host_impl_; 1312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_refptr<DelayBasedTimeSource> time_source_; 1322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImplTimeSourceAdapter); 1342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)}; 1352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerTreeHostImpl::FrameData::FrameData() 1372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : contains_incomplete_tile(false) {} 1382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerTreeHostImpl::FrameData::~FrameData() {} 1402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)scoped_ptr<LayerTreeHostImpl> LayerTreeHostImpl::Create( 1422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const LayerTreeSettings& settings, 1432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeHostImplClient* client, 1442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Proxy* proxy, 1452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderingStatsInstrumentation* rendering_stats_instrumentation) { 1462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return make_scoped_ptr( 1472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) new LayerTreeHostImpl(settings, 1482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client, 1492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) proxy, 1502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rendering_stats_instrumentation)); 1512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerTreeHostImpl::LayerTreeHostImpl( 1542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const LayerTreeSettings& settings, 1552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeHostImplClient* client, 1562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Proxy* proxy, 1572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderingStatsInstrumentation* rendering_stats_instrumentation) 1582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : client_(client), 1592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) proxy_(proxy), 1602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) did_lock_scrolling_layer_(false), 1612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) should_bubble_scrolls_(false), 1622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) wheel_scrolling_(false), 1632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) settings_(settings), 1642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) overdraw_bottom_height_(0.f), 1652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) device_scale_factor_(1.f), 1662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) visible_(true), 1672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) managed_memory_policy_( 1682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) PrioritizedResourceManager::DefaultMemoryAllocationLimit(), 1692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ManagedMemoryPolicy::CUTOFF_ALLOW_EVERYTHING, 1702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 0, 1712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ManagedMemoryPolicy::CUTOFF_ALLOW_NOTHING), 1722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pinch_gesture_active_(false), 1732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) fps_counter_(FrameRateCounter::Create(proxy_->HasImplThread())), 1742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) paint_time_counter_(PaintTimeCounter::Create()), 1752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) memory_history_(MemoryHistory::Create()), 1762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) debug_rect_history_(DebugRectHistory::Create()), 1772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) last_sent_memory_visible_bytes_(0), 1782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) last_sent_memory_visible_and_nearby_bytes_(0), 1792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) last_sent_memory_use_bytes_(0), 1802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) animation_registrar_(AnimationRegistrar::Create()), 1812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rendering_stats_instrumentation_(rendering_stats_instrumentation) { 1822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(proxy_->IsImplThread()); 1832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DidVisibilityChange(this, visible_); 1842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetDebugState(settings.initial_debug_state); 1862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (settings.calculate_top_controls_position) { 1882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) top_controls_manager_ = 1892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TopControlsManager::Create(this, 1902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) settings.top_controls_height, 1912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) settings.top_controls_show_threshold, 1922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) settings.top_controls_hide_threshold); 1932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetDebugState(settings.initial_debug_state); 1962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // LTHI always has an active tree. 1982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_ = LayerTreeImpl::create(this); 1992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerTreeHostImpl::~LayerTreeHostImpl() { 2022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(proxy_->IsImplThread()); 2032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("cc", "LayerTreeHostImpl::~LayerTreeHostImpl()"); 2042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_tree_->root_layer()) { 2062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ClearRenderSurfaces(); 2072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The layer trees must be destroyed before the layer tree host. We've 2082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // made a contract with our animation controllers that the registrar 2092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // will outlive them, and we must make good. 2102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) recycle_tree_.reset(); 2112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_tree_.reset(); 2122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_.reset(); 2132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::BeginCommit() {} 2172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::CommitComplete() { 2192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("cc", "LayerTreeHostImpl::CommitComplete"); 2202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Impl-side painting needs an update immediately post-commit to have the 2222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // opportunity to create tilings. Other paths can call UpdateDrawProperties 2232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // more lazily when needed prior to drawing. 2242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (settings_.impl_side_painting) { 2252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_tree_->set_needs_update_draw_properties(); 2262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_tree_->UpdateDrawProperties(LayerTreeImpl::UPDATE_PENDING_TREE); 2272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else { 2282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->set_needs_update_draw_properties(); 2292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SendManagedMemoryStats(); 2322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::CanDraw() { 2352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Note: If you are changing this function or any other function that might 2362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // affect the result of CanDraw, make sure to call 2372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // client_->OnCanDrawStateChanged in the proper places and update the 2382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // NotifyIfCanDrawChanged test. 2392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!active_tree_->root_layer()) { 2412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_INSTANT0("cc", "LayerTreeHostImpl::CanDraw no root layer"); 2422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 2432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (device_viewport_size_.IsEmpty()) { 2452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_INSTANT0("cc", "LayerTreeHostImpl::CanDraw empty viewport"); 2462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 2472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_tree_->ViewportSizeInvalid()) { 2492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_INSTANT0( 2502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "cc", "LayerTreeHostImpl::CanDraw viewport size recently changed"); 2512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 2522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!renderer_) { 2542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_INSTANT0("cc", "LayerTreeHostImpl::CanDraw no renderer"); 2552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 2562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_tree_->ContentsTexturesPurged()) { 2582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_INSTANT0( 2592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "cc", "LayerTreeHostImpl::CanDraw contents textures purged"); 2602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 2612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return true; 2632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::Animate(base::TimeTicks monotonic_time, 2662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Time wall_clock_time) { 2672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AnimatePageScale(monotonic_time); 2682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AnimateLayers(monotonic_time, wall_clock_time); 2692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AnimateScrollbars(monotonic_time); 2702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AnimateTopControls(monotonic_time); 2712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::ManageTiles() { 2742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(tile_manager_); 2752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) tile_manager_->ManageTiles(); 2762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_t memory_required_bytes; 2782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_t memory_nice_to_have_bytes; 2792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_t memory_used_bytes; 2802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) tile_manager_->GetMemoryStats(&memory_required_bytes, 2812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &memory_nice_to_have_bytes, 2822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &memory_used_bytes); 2832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SendManagedMemoryStats(memory_required_bytes, 2842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) memory_nice_to_have_bytes, 2852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) memory_used_bytes); 2862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::SetAnticipatedDrawTime(base::TimeTicks time) { 2892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (tile_manager_) 2902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) tile_manager_->SetAnticipatedDrawTime(time); 2912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::StartPageScaleAnimation(gfx::Vector2d target_offset, 2942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool anchor_point, 2952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float page_scale, 2962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::TimeTicks start_time, 2972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::TimeDelta duration) { 2982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!RootScrollLayer()) 2992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 3002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF scroll_total = 3022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RootScrollLayer()->scroll_offset() + RootScrollLayer()->scroll_delta(); 3032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::SizeF scaled_scrollable_size = active_tree_->ScrollableSize(); 3042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::SizeF viewport_size = 3052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::ScaleSize(device_viewport_size_, 1.f / device_scale_factor_); 3062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) double start_time_seconds = (start_time - base::TimeTicks()).InSecondsF(); 3082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page_scale_animation_ = 3092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) PageScaleAnimation::Create(scroll_total, 3102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->total_page_scale_factor(), 3112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) viewport_size, 3122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scaled_scrollable_size, 3132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) start_time_seconds); 3142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (anchor_point) { 3162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF anchor(target_offset); 3172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page_scale_animation_->ZoomWithAnchor(anchor, 3182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page_scale, 3192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) duration.InSecondsF()); 3202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else { 3212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF scaled_target_offset = target_offset; 3222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page_scale_animation_->ZoomTo(scaled_target_offset, 3232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page_scale, 3242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) duration.InSecondsF()); 3252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsRedrawOnImplThread(); 3282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsCommitOnImplThread(); 3292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->RenewTreePriority(); 3302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::ScheduleAnimation() { 3332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsRedrawOnImplThread(); 3342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::HaveTouchEventHandlersAt(gfx::Point viewport_point) { 3372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!EnsureRenderSurfaceLayerList()) 3382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 3392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF device_viewport_point = 3412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::ScalePoint(viewport_point, device_scale_factor_); 3422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // First find out which layer was hit from the saved list of visible layers 3442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // in the most recent frame. 3452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* layer_impl = LayerTreeHostCommon::FindLayerThatIsHitByPoint( 3462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) device_viewport_point, 3472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->RenderSurfaceLayerList()); 3482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Walk up the hierarchy and look for a layer with a touch event handler 3502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // region that the given point hits. 3512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (; layer_impl; layer_impl = layer_impl->parent()) { 3522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (LayerTreeHostCommon::LayerHasTouchEventHandlersAt(device_viewport_point, 3532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_impl)) 3542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return true; 3552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 3582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::TrackDamageForAllSurfaces( 3612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* root_draw_layer, 3622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const LayerList& render_surface_layer_list) { 3632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // For now, we use damage tracking to compute a global scissor. To do this, we 3642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // must compute all damage tracking before drawing anything, so that we know 3652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // the root damage rect. The root damage rect is then used to scissor each 3662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // surface. 3672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (int surface_index = render_surface_layer_list.size() - 1; 3692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) surface_index >= 0 ; 3702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) --surface_index) { 3712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* render_surface_layer = render_surface_layer_list[surface_index]; 3722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderSurfaceImpl* render_surface = render_surface_layer->render_surface(); 3732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(render_surface); 3742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_surface->damage_tracker()->UpdateDamageTrackingState( 3752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_surface->layer_list(), 3762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_surface_layer->id(), 3772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_surface->SurfacePropertyChangedOnlyFromDescendant(), 3782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_surface->content_rect(), 3792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_surface_layer->mask_layer(), 3802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_surface_layer->filters(), 3812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_surface_layer->filter().get()); 3822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::FrameData::AppendRenderPass( 3862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<RenderPass> render_pass) { 3872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_passes_by_id[render_pass->id] = render_pass.get(); 3882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_passes.push_back(render_pass.Pass()); 3892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static void AppendQuadsForLayer(RenderPass* target_render_pass, 3922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* layer, 3932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const OcclusionTrackerImpl& occlusion_tracker, 3942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AppendQuadsData* append_quads_data) { 3952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool for_surface = false; 3962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuadCuller quad_culler(&target_render_pass->quad_list, 3972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &target_render_pass->shared_quad_state_list, 3982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer, 3992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) occlusion_tracker, 4002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer->ShowDebugBorders(), 4012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for_surface); 4022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer->AppendQuads(&quad_culler, append_quads_data); 4032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 4042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static void AppendQuadsForRenderSurfaceLayer( 4062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPass* target_render_pass, 4072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* layer, 4082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const RenderPass* contributing_render_pass, 4092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const OcclusionTrackerImpl& occlusion_tracker, 4102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AppendQuadsData* append_quads_data) { 4112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool for_surface = true; 4122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuadCuller quad_culler(&target_render_pass->quad_list, 4132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &target_render_pass->shared_quad_state_list, 4142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer, 4152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) occlusion_tracker, 4162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer->ShowDebugBorders(), 4172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for_surface); 4182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool is_replica = false; 4202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer->render_surface()->AppendQuads(&quad_culler, 4212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) append_quads_data, 4222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) is_replica, 4232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) contributing_render_pass->id); 4242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Add replica after the surface so that it appears below the surface. 4262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (layer->has_replica()) { 4272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) is_replica = true; 4282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer->render_surface()->AppendQuads(&quad_culler, 4292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) append_quads_data, 4302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) is_replica, 4312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) contributing_render_pass->id); 4322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 4332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 4342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static void AppendQuadsToFillScreen( 4362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPass* target_render_pass, 4372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* root_layer, 4382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SkColor screen_background_color, 4392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const OcclusionTrackerImpl& occlusion_tracker) { 4402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!root_layer || !SkColorGetA(screen_background_color)) 4412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 4422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) Region fill_region = occlusion_tracker.ComputeVisibleRegionInScreen(); 4442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (fill_region.IsEmpty()) 4452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 4462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool for_surface = false; 4482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuadCuller quad_culler(&target_render_pass->quad_list, 4492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &target_render_pass->shared_quad_state_list, 4502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) root_layer, 4512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) occlusion_tracker, 4522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) root_layer->ShowDebugBorders(), 4532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for_surface); 4542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Manually create the quad state for the gutter quads, as the root layer 4562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // doesn't have any bounds and so can't generate this itself. 4572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(danakj): Make the gutter quads generated by the solid color layer 4582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // (make it smarter about generating quads to fill unoccluded areas). 4592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Rect root_target_rect = root_layer->render_surface()->content_rect(); 4612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float opacity = 1.f; 4622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SharedQuadState* shared_quad_state = 4632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) quad_culler.UseSharedQuadState(SharedQuadState::Create()); 4642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) shared_quad_state->SetAll(root_layer->draw_transform(), 4652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) root_target_rect.size(), 4662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) root_target_rect, 4672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) root_target_rect, 4682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) false, 4692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) opacity); 4702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AppendQuadsData append_quads_data; 4722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Transform transform_to_layer_space(gfx::Transform::kSkipInitialization); 4742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool did_invert = root_layer->screen_space_transform().GetInverse( 4752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &transform_to_layer_space); 4762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(did_invert); 4772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (Region::Iterator fill_rects(fill_region); 4782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) fill_rects.has_rect(); 4792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) fill_rects.next()) { 4802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The root layer transform is composed of translations and scales only, 4812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // no perspective, so mapping is sufficient (as opposed to projecting). 4822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Rect layer_rect = 4832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MathUtil::MapClippedRect(transform_to_layer_space, fill_rects.rect()); 4842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Skip the quad culler and just append the quads directly to avoid 4852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // occlusion checks. 4862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<SolidColorDrawQuad> quad = SolidColorDrawQuad::Create(); 4872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) quad->SetNew(shared_quad_state, layer_rect, screen_background_color); 4882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) quad_culler.Append(quad.PassAs<DrawQuad>(), &append_quads_data); 4892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 4902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 4912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::CalculateRenderPasses(FrameData* frame) { 4932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(frame->render_passes.empty()); 4942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!CanDraw() || !active_tree_->root_layer()) 4962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 4972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 4982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TrackDamageForAllSurfaces(active_tree_->root_layer(), 4992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) *frame->render_surface_layer_list); 5002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT1("cc", 5022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "LayerTreeHostImpl::CalculateRenderPasses", 5032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "render_surface_layer_list.size()", 5042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static_cast<long long unsigned>( 5052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->render_surface_layer_list->size())); 5062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Create the render passes in dependency order. 5082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (int surface_index = frame->render_surface_layer_list->size() - 1; 5092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) surface_index >= 0 ; 5102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) --surface_index) { 5112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* render_surface_layer = 5122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) (*frame->render_surface_layer_list)[surface_index]; 5132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_surface_layer->render_surface()->AppendRenderPasses(frame); 5142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 5152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool record_metrics_for_frame = 5172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) settings_.show_overdraw_in_tracing && 5182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::debug::TraceLog::GetInstance() && 5192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::debug::TraceLog::GetInstance()->IsEnabled(); 5202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) OcclusionTrackerImpl occlusion_tracker( 5212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->root_layer()->render_surface()->content_rect(), 5222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) record_metrics_for_frame); 5232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) occlusion_tracker.set_minimum_tracking_size( 5242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) settings_.minimum_occlusion_tracking_size); 5252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (debug_state_.show_occluding_rects) { 5272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) occlusion_tracker.set_occluding_screen_space_rects_container( 5282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &frame->occluding_screen_space_rects); 5292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 5302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (debug_state_.show_non_occluding_rects) { 5312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) occlusion_tracker.set_non_occluding_screen_space_rects_container( 5322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &frame->non_occluding_screen_space_rects); 5332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 5342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Add quads to the Render passes in FrontToBack order to allow for testing 5362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // occlusion and performing culling during the tree walk. 5372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) typedef LayerIterator<LayerImpl, 5382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::vector<LayerImpl*>, 5392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderSurfaceImpl, 5402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerIteratorActions::FrontToBack> LayerIteratorType; 5412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Typically when we are missing a texture and use a checkerboard quad, we 5432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // still draw the frame. However when the layer being checkerboarded is moving 5442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // due to an impl-animation, we drop the frame to avoid flashing due to the 5452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // texture suddenly appearing in the future. 5462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool draw_frame = true; 5472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int layers_drawn = 0; 5492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerIteratorType end = 5512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerIteratorType::End(frame->render_surface_layer_list); 5522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (LayerIteratorType it = 5532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerIteratorType::Begin(frame->render_surface_layer_list); 5542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it != end; 5552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ++it) { 5562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPass::Id target_render_pass_id = 5572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it.target_render_surface_layer()->render_surface()->RenderPassId(); 5582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPass* target_render_pass = 5592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->render_passes_by_id[target_render_pass_id]; 5602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) occlusion_tracker.EnterLayer(it); 5622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AppendQuadsData append_quads_data(target_render_pass->id); 5642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (it.represents_contributing_render_surface()) { 5662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPass::Id contributing_render_pass_id = 5672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it->render_surface()->RenderPassId(); 5682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPass* contributing_render_pass = 5692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->render_passes_by_id[contributing_render_pass_id]; 5702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AppendQuadsForRenderSurfaceLayer(target_render_pass, 5712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) *it, 5722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) contributing_render_pass, 5732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) occlusion_tracker, 5742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &append_quads_data); 5752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else if (it.represents_itself() && !it->visible_content_rect().IsEmpty()) { 5762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool has_occlusion_from_outside_target_surface; 5772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool impl_draw_transform_is_unknown = false; 5782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (occlusion_tracker.Occluded( 5792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it->render_target(), 5802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it->visible_content_rect(), 5812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it->draw_transform(), 5822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) impl_draw_transform_is_unknown, 5832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it->is_clipped(), 5842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it->clip_rect(), 5852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &has_occlusion_from_outside_target_surface)) { 5862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) append_quads_data.hadOcclusionFromOutsideTargetSurface |= 5872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) has_occlusion_from_outside_target_surface; 5882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else { 5892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK_EQ(active_tree_, it->layer_tree_impl()); 5902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it->WillDraw(resource_provider_.get()); 5912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->will_draw_layers.push_back(*it); 5922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (it->HasContributingDelegatedRenderPasses()) { 5942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPass::Id contributing_render_pass_id = 5952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it->FirstContributingRenderPassId(); 5962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) while (frame->render_passes_by_id.find(contributing_render_pass_id) != 5972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->render_passes_by_id.end()) { 5982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPass* render_pass = 5992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->render_passes_by_id[contributing_render_pass_id]; 6002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AppendQuadsData append_quads_data(render_pass->id); 6022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AppendQuadsForLayer(render_pass, 6032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) *it, 6042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) occlusion_tracker, 6052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &append_quads_data); 6062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) contributing_render_pass_id = 6082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it->NextContributingRenderPassId(contributing_render_pass_id); 6092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AppendQuadsForLayer(target_render_pass, 6132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) *it, 6142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) occlusion_tracker, 6152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &append_quads_data); 6162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ++layers_drawn; 6192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (append_quads_data.hadOcclusionFromOutsideTargetSurface) 6222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) target_render_pass->has_occlusion_from_outside_target_surface = true; 6232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (append_quads_data.numMissingTiles) { 6252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rendering_stats_instrumentation_->AddMissingTiles( 6262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) append_quads_data.numMissingTiles); 6272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool layer_has_animating_transform = 6282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it->screen_space_transform_is_animating() || 6292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it->draw_transform_is_animating(); 6302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (layer_has_animating_transform) 6312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) draw_frame = false; 6322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (append_quads_data.hadIncompleteTile) 6352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->contains_incomplete_tile = true; 6362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) occlusion_tracker.LeaveLayer(it); 6382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rendering_stats_instrumentation_->AddLayersDrawn(layers_drawn); 6412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#ifndef NDEBUG 6432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t i = 0; i < frame->render_passes.size(); ++i) { 6442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t j = 0; j < frame->render_passes[i]->quad_list.size(); ++j) 6452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(frame->render_passes[i]->quad_list[j]->shared_quad_state); 6462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(frame->render_passes_by_id.find(frame->render_passes[i]->id) 6472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) != frame->render_passes_by_id.end()); 6482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 6502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(frame->render_passes.back()->output_rect.origin().IsOrigin()); 6512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!active_tree_->has_transparent_background()) { 6532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->render_passes.back()->has_transparent_background = false; 6542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AppendQuadsToFillScreen(frame->render_passes.back(), 6552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->root_layer(), 6562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->background_color(), 6572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) occlusion_tracker); 6582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (draw_frame) 6612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) occlusion_tracker.overdraw_metrics()->RecordMetrics(this); 6622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RemoveRenderPasses(CullRenderPassesWithNoQuads(), frame); 6642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_->DecideRenderPassAllocationsForFrame(frame->render_passes); 6652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RemoveRenderPasses(CullRenderPassesWithCachedTextures(*renderer_), frame); 6662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return draw_frame; 6682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::SetBackgroundTickingEnabled(bool enabled) { 6712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Lazily create the time_source adapter so that we can vary the interval for 6722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // testing. 6732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!time_source_client_adapter_) { 6742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) time_source_client_adapter_ = LayerTreeHostImplTimeSourceAdapter::Create( 6752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) this, 6762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DelayBasedTimeSource::Create(LowFrequencyAnimationInterval(), 6772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) proxy_->CurrentThread())); 6782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 6792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) time_source_client_adapter_->SetActive(enabled); 6812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static inline RenderPass* FindRenderPassById( 6842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPass::Id render_pass_id, 6852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const LayerTreeHostImpl::FrameData& frame) { 6862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPassIdHashMap::const_iterator it = 6872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame.render_passes_by_id.find(render_pass_id); 6882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return it != frame.render_passes_by_id.end() ? it->second : NULL; 6892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 6912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static void RemoveRenderPassesRecursive(RenderPass::Id remove_render_pass_id, 6922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeHostImpl::FrameData* frame) { 6932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPass* remove_render_pass = 6942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FindRenderPassById(remove_render_pass_id, *frame); 6952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The pass was already removed by another quad - probably the original, and 6962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // we are the replica. 6972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!remove_render_pass) 6982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 6992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPassList& render_passes = frame->render_passes; 7002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPassList::iterator to_remove = std::find(render_passes.begin(), 7012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_passes.end(), 7022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) remove_render_pass); 7032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(to_remove != render_passes.end()); 7052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<RenderPass> removed_pass = render_passes.take(to_remove); 7072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->render_passes.erase(to_remove); 7082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->render_passes_by_id.erase(remove_render_pass_id); 7092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Now follow up for all RenderPass quads and remove their RenderPasses 7112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // recursively. 7122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const QuadList& quad_list = removed_pass->quad_list; 7132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuadList::ConstBackToFrontIterator quad_list_iterator = 7142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) quad_list.BackToFrontBegin(); 7152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (; quad_list_iterator != quad_list.BackToFrontEnd(); 7162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ++quad_list_iterator) { 7172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DrawQuad* current_quad = (*quad_list_iterator); 7182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (current_quad->material != DrawQuad::RENDER_PASS) 7192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) continue; 7202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPass::Id next_remove_render_pass_id = 7222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPassDrawQuad::MaterialCast(current_quad)->render_pass_id; 7232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RemoveRenderPassesRecursive(next_remove_render_pass_id, frame); 7242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 7252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::CullRenderPassesWithCachedTextures:: 7282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ShouldRemoveRenderPass(const RenderPassDrawQuad& quad, 7292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const FrameData& frame) const { 7302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool quad_has_damage = !quad.contents_changed_since_last_frame.IsEmpty(); 7312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool quad_has_cached_resource = 7322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_.HaveCachedResourcesForRenderPassId(quad.render_pass_id); 7332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (quad_has_damage) { 7342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("cc", "CullRenderPassesWithCachedTextures have damage"); 7352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 7362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else if (!quad_has_cached_resource) { 7372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("cc", "CullRenderPassesWithCachedTextures have no texture"); 7382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 7392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 7402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("cc", "CullRenderPassesWithCachedTextures dropped!"); 7412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return true; 7422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::CullRenderPassesWithNoQuads::ShouldRemoveRenderPass( 7452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const RenderPassDrawQuad& quad, const FrameData& frame) const { 7462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const RenderPass* render_pass = 7472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FindRenderPassById(quad.render_pass_id, frame); 7482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!render_pass) 7492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 7502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If any quad or RenderPass draws into this RenderPass, then keep it. 7522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const QuadList& quad_list = render_pass->quad_list; 7532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (QuadList::ConstBackToFrontIterator quad_list_iterator = 7542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) quad_list.BackToFrontBegin(); 7552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) quad_list_iterator != quad_list.BackToFrontEnd(); 7562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ++quad_list_iterator) { 7572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DrawQuad* current_quad = *quad_list_iterator; 7582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (current_quad->material != DrawQuad::RENDER_PASS) 7602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 7612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const RenderPass* contributing_pass = FindRenderPassById( 7632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPassDrawQuad::MaterialCast(current_quad)->render_pass_id, frame); 7642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (contributing_pass) 7652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 7662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 7672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return true; 7682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 7692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Defined for linking tests. 7712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)template CC_EXPORT void LayerTreeHostImpl::RemoveRenderPasses< 7722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeHostImpl::CullRenderPassesWithCachedTextures>( 7732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CullRenderPassesWithCachedTextures culler, FrameData* frame); 7742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)template CC_EXPORT void LayerTreeHostImpl::RemoveRenderPasses< 7752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeHostImpl::CullRenderPassesWithNoQuads>( 7762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CullRenderPassesWithNoQuads culler, FrameData*); 7772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// static 7792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)template <typename RenderPassCuller> 7802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::RemoveRenderPasses(RenderPassCuller culler, 7812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FrameData* frame) { 7822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t it = culler.RenderPassListBegin(frame->render_passes); 7832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it != culler.RenderPassListEnd(frame->render_passes); 7842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it = culler.RenderPassListNext(it)) { 7852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const RenderPass* current_pass = frame->render_passes[it]; 7862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const QuadList& quad_list = current_pass->quad_list; 7872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) QuadList::ConstBackToFrontIterator quad_list_iterator = 7882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) quad_list.BackToFrontBegin(); 7892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (; quad_list_iterator != quad_list.BackToFrontEnd(); 7912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ++quad_list_iterator) { 7922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DrawQuad* current_quad = *quad_list_iterator; 7932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (current_quad->material != DrawQuad::RENDER_PASS) 7952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) continue; 7962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 7972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const RenderPassDrawQuad* render_pass_quad = 7982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderPassDrawQuad::MaterialCast(current_quad); 7992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!culler.ShouldRemoveRenderPass(*render_pass_quad, *frame)) 8002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) continue; 8012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We are changing the vector in the middle of iteration. Because we 8032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // delete render passes that draw into the current pass, we are 8042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // guaranteed that any data from the iterator to the end will not 8052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // change. So, capture the iterator position from the end of the 8062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // list, and restore it after the change. 8072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_t position_from_end = frame->render_passes.size() - it; 8082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RemoveRenderPassesRecursive(render_pass_quad->render_pass_id, frame); 8092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it = frame->render_passes.size() - position_from_end; 8102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK_GE(frame->render_passes.size(), position_from_end); 8112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 8122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 8132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::PrepareToDraw(FrameData* frame) { 8162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("cc", "LayerTreeHostImpl::PrepareToDraw"); 8172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->UpdateDrawProperties( 8192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeImpl::UPDATE_ACTIVE_TREE_FOR_DRAW); 8202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->render_surface_layer_list = &active_tree_->RenderSurfaceLayerList(); 8222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->render_passes.clear(); 8232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->render_passes_by_id.clear(); 8242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->will_draw_layers.clear(); 8252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!CalculateRenderPasses(frame)) 8272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 8282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If we return true, then we expect DrawLayers() to be called before this 8302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // function is called again. 8312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return true; 8322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::EnforceManagedMemoryPolicy( 8352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const ManagedMemoryPolicy& policy) { 8362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool evicted_resources = client_->ReduceContentsTextureMemoryOnImplThread( 8372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) visible_ ? policy.bytes_limit_when_visible 8382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : policy.bytes_limit_when_not_visible, 8392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ManagedMemoryPolicy::PriorityCutoffToValue( 8402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) visible_ ? policy.priority_cutoff_when_visible 8412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : policy.priority_cutoff_when_not_visible)); 8422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (evicted_resources) { 8432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->SetContentsTexturesPurged(); 8442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (pending_tree_) 8452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_tree_->SetContentsTexturesPurged(); 8462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsCommitOnImplThread(); 8472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->OnCanDrawStateChanged(CanDraw()); 8482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->RenewTreePriority(); 8492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 8502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SendManagedMemoryStats(); 8512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (tile_manager_) { 8532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) GlobalStateThatImpactsTilePriority new_state(tile_manager_->GlobalState()); 8542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) new_state.memory_limit_in_bytes = visible_ ? 8552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) policy.bytes_limit_when_visible : 8562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) policy.bytes_limit_when_not_visible; 8572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) new_state.memory_limit_policy = 8582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ManagedMemoryPolicy::PriorityCutoffToTileMemoryLimitPolicy( 8592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) visible_ ? 8602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) policy.priority_cutoff_when_visible : 8612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) policy.priority_cutoff_when_not_visible); 8622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) tile_manager_->SetGlobalState(new_state); 8632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 8642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::HasImplThread() const { 8672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return proxy_->HasImplThread(); 8682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::ScheduleManageTiles() { 8712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (client_) 8722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsManageTilesOnImplThread(); 8732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::DidInitializeVisibleTile() { 8762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(reveman): Determine tiles that changed and only damage 8772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // what's necessary. 8782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetFullRootLayerDamage(); 8792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (client_) 8802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->DidInitializeVisibleTileOnImplThread(); 8812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::ShouldClearRootRenderPass() const { 8842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return settings_.should_clear_root_render_pass; 8852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 8862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::SetManagedMemoryPolicy( 8882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const ManagedMemoryPolicy& policy) { 8892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (managed_memory_policy_ == policy) 8902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 8912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) managed_memory_policy_ = policy; 8932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!proxy_->HasImplThread()) { 8942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(ccameron): In single-thread mode, this can be called on the main 8952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // thread by GLRenderer::OnMemoryAllocationChanged. 8962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DebugScopedSetImplThread impl_thread(proxy_); 8972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) EnforceManagedMemoryPolicy(managed_memory_policy_); 8982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else { 8992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(proxy_->IsImplThread()); 9002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) EnforceManagedMemoryPolicy(managed_memory_policy_); 9012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 9022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We always need to commit after changing the memory policy because the new 9032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // limit can result in more or less content having texture allocated for it. 9042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsCommitOnImplThread(); 9052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 9062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::OnVSyncParametersChanged(base::TimeTicks timebase, 9082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::TimeDelta interval) { 9092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->OnVSyncParametersChanged(timebase, interval); 9102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 9112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::OnSendFrameToParentCompositorAck( 9132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const CompositorFrameAck& ack) { 9142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!renderer_) 9152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 9162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(piman): We may need to do some validation on this ack before 9182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // processing it. 9192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_->ReceiveCompositorFrameAck(ack); 9202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 9212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::OnCanDrawStateChangedForTree() { 9232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->OnCanDrawStateChanged(CanDraw()); 9242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 9252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)CompositorFrameMetadata LayerTreeHostImpl::MakeCompositorFrameMetadata() const { 9272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CompositorFrameMetadata metadata; 9282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) metadata.device_scale_factor = device_scale_factor_; 9292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) metadata.page_scale_factor = active_tree_->total_page_scale_factor(); 9302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) metadata.viewport_size = active_tree_->ScrollableViewportSize(); 9312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) metadata.root_layer_size = active_tree_->ScrollableSize(); 9322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) metadata.min_page_scale_factor = active_tree_->min_page_scale_factor(); 9332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) metadata.max_page_scale_factor = active_tree_->max_page_scale_factor(); 9342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (top_controls_manager_) { 9352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) metadata.location_bar_offset = 9362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF(0.f, top_controls_manager_->controls_top_offset()); 9372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) metadata.location_bar_content_translation = 9382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF(0.f, top_controls_manager_->content_top_offset()); 9392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 9402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!RootScrollLayer()) 9422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return metadata; 9432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) metadata.root_scroll_offset = RootScrollLayer()->TotalScrollOffset(); 9452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return metadata; 9472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 9482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::DrawLayers(FrameData* frame, 9502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::TimeTicks frame_begin_time) { 9512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("cc", "LayerTreeHostImpl::DrawLayers"); 9522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(CanDraw()); 9532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(!frame->render_passes.empty()); 9542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) fps_counter_->SaveTimeStamp(frame_begin_time); 9562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rendering_stats_instrumentation_->SetScreenFrameCount( 9582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) fps_counter_->current_frame_number()); 9592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rendering_stats_instrumentation_->SetDroppedFrameCount( 9602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) fps_counter_->dropped_frame_count()); 9612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (tile_manager_) { 9632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) memory_history_->SaveEntry( 9642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) tile_manager_->memory_stats_from_last_assign()); 9652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 9662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (debug_state_.ShowHudRects()) { 9682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) debug_rect_history_->SaveDebugRectsForCurrentFrame( 9692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->root_layer(), 9702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) *frame->render_surface_layer_list, 9712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->occluding_screen_space_rects, 9722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->non_occluding_screen_space_rects, 9732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) debug_state_); 9742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 9752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (debug_state_.trace_all_rendered_frames) { 9772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_INSTANT1("cc.debug", "Frame", 9782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "frame", ValueToString(FrameStateAsValue())); 9792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 9802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Because the contents of the HUD depend on everything else in the frame, the 9822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // contents of its texture are updated as the last thing before the frame is 9832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // drawn. 9842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_tree_->hud_layer()) 9852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->hud_layer()->UpdateHudTexture(resource_provider_.get()); 9862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_->DrawFrame(frame->render_passes); 9882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The render passes should be consumed by the renderer. 9892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(frame->render_passes.empty()); 9902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame->render_passes_by_id.clear(); 9912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 9922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The next frame should start by assuming nothing has changed, and changes 9932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // are noted as they occur. 9942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t i = 0; i < frame->render_surface_layer_list->size(); i++) { 9952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) (*frame->render_surface_layer_list)[i]->render_surface()->damage_tracker()-> 9962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DidDrawDamagedArea(); 9972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 9982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->root_layer()->ResetAllChangeTrackingForSubtree(); 9992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) UpdateAnimationState(); 10002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::DidDrawAllLayers(const FrameData& frame) { 10032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t i = 0; i < frame.will_draw_layers.size(); ++i) 10042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) frame.will_draw_layers[i]->DidDraw(resource_provider_.get()); 10052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Once all layers have been drawn, pending texture uploads should no 10072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // longer block future uploads. 10082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resource_provider_->MarkPendingUploadsAsNonBlocking(); 10092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::FinishAllRendering() { 10122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (renderer_) 10132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_->Finish(); 10142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::IsContextLost() { 10172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(proxy_->IsImplThread()); 10182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return renderer_ && renderer_->IsContextLost(); 10192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const RendererCapabilities& LayerTreeHostImpl::GetRendererCapabilities() const { 10222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return renderer_->Capabilities(); 10232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::SwapBuffers() { 10262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return renderer_->SwapBuffers(); 10272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)gfx::Size LayerTreeHostImpl::DeviceViewportSize() const { 10302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return device_viewport_size(); 10312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)gfx::SizeF LayerTreeHostImpl::VisibleViewportSize() const { 10342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::SizeF dip_size = 10352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::ScaleSize(DeviceViewportSize(), 1.f / device_scale_factor()); 10362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The clip layer should be used if non-overlay scrollbars may exist since 10382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // it adjusts for them. 10392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* clip_layer = active_tree_->RootClipLayer(); 10402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!Settings().solid_color_scrollbars && clip_layer && 10412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) clip_layer->masks_to_bounds()) 10422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) dip_size = clip_layer->bounds(); 10432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float top_offset = 10452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) top_controls_manager_ ? top_controls_manager_->content_top_offset() : 0.f; 10462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return gfx::SizeF(dip_size.width(), 10472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) dip_size.height() - top_offset - overdraw_bottom_height_); 10482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)const LayerTreeSettings& LayerTreeHostImpl::Settings() const { 10512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return settings(); 10522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::DidLoseOutputSurface() { 10552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->DidLoseOutputSurfaceOnImplThread(); 10562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::OnSwapBuffersComplete() { 10592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->OnSwapBuffersCompleteOnImplThread(); 10602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::Readback(void* pixels, 10632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Rect rect_in_device_viewport) { 10642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(renderer_); 10652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_->GetFramebufferPixels(pixels, rect_in_device_viewport); 10662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::haveRootScrollLayer() const { 10692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return RootScrollLayer(); 10702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerImpl* LayerTreeHostImpl::RootLayer() const { 10732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return active_tree_->root_layer(); 10742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerImpl* LayerTreeHostImpl::RootScrollLayer() const { 10772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return active_tree_->RootScrollLayer(); 10782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerImpl* LayerTreeHostImpl::CurrentlyScrollingLayer() const { 10812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return active_tree_->CurrentlyScrollingLayer(); 10822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 10832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Content layers can be either directly scrollable or contained in an outer 10852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// scrolling layer which applies the scroll transform. Given a content layer, 10862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// this function returns the associated scroll layer if any. 10872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static LayerImpl* FindScrollLayerForContentLayer(LayerImpl* layer_impl) { 10882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!layer_impl) 10892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 0; 10902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (layer_impl->scrollable()) 10922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_impl; 10932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (layer_impl->DrawsContent() && 10952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_impl->parent() && 10962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_impl->parent()->scrollable()) 10972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_impl->parent(); 10982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 10992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return 0; 11002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 11012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::CreatePendingTree() { 11032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CHECK(!pending_tree_); 11042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (recycle_tree_) 11052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) recycle_tree_.swap(pending_tree_); 11062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) else 11072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_tree_ = LayerTreeImpl::create(this); 11082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->OnCanDrawStateChanged(CanDraw()); 11092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->OnHasPendingTreeStateChanged(pending_tree_); 11102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_ASYNC_BEGIN0("cc", "PendingTree", pending_tree_.get()); 11112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_ASYNC_STEP0("cc", 11122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "PendingTree", pending_tree_.get(), "waiting"); 11132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 11142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::CheckForCompletedTileUploads() { 11162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(!client_->IsInsideDraw()) << 11172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "Checking for completed uploads within a draw may trigger " 11182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "spurious redraws."; 11192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (tile_manager_) 11202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) tile_manager_->CheckForCompletedTileUploads(); 11212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 11222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::ActivatePendingTreeIfNeeded() { 11242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!pending_tree_) 11252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 11262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CHECK(tile_manager_); 11282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_tree_->UpdateDrawProperties(LayerTreeImpl::UPDATE_PENDING_TREE); 11302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_ASYNC_STEP1("cc", 11322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "PendingTree", pending_tree_.get(), "activate", 11332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "state", ValueToString(ActivationStateAsValue())); 11342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // It's always fine to activate to an empty tree. Otherwise, only 11362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // activate once all visible resources in pending tree are ready 11372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // or tile manager has no work scheduled for pending tree. 11382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_tree_->root_layer() && 11392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) !pending_tree_->AreVisibleResourcesReady()) { 11402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // In smoothness takes priority mode, the pending tree's priorities are 11412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // ignored, so the tile manager may not have work for it even though it 11422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // is simultaneously not ready to be activated. 11432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (tile_manager_->GlobalState().tree_priority == 11442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SMOOTHNESS_TAKES_PRIORITY || 11452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) tile_manager_->HasPendingWorkScheduled(PENDING_TREE)) { 11462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_ASYNC_STEP0("cc", 11472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "PendingTree", 11482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_tree_.get(), 11492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "waiting"); 11502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 11512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 11522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 11532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ActivatePendingTree(); 11552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return true; 11562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 11572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::ActivatePendingTree() { 11592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CHECK(pending_tree_); 11602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_ASYNC_END0("cc", "PendingTree", pending_tree_.get()); 11612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->PushPersistedState(pending_tree_.get()); 11632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (pending_tree_->needs_full_tree_sync()) { 11642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->SetRootLayer( 11652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TreeSynchronizer::SynchronizeTrees(pending_tree_->root_layer(), 11662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->DetachLayerTree(), 11672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_.get())); 11682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 11692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TreeSynchronizer::PushProperties(pending_tree_->root_layer(), 11702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->root_layer()); 11712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(!recycle_tree_); 11722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_tree_->PushPropertiesTo(active_tree_.get()); 11742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Now that we've synced everything from the pending tree to the active 11762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // tree, rename the pending tree the recycle tree so we can reuse it on the 11772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // next sync. 11782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_tree_.swap(recycle_tree_); 11792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) recycle_tree_->ClearRenderSurfaces(); 11802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->DidBecomeActive(); 11822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Reduce wasted memory now that unlinked resources are guaranteed not 11842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // to be used. 11852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->ReduceWastedContentsTextureMemoryOnImplThread(); 11862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->OnCanDrawStateChanged(CanDraw()); 11882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->OnHasPendingTreeStateChanged(pending_tree_); 11892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsRedrawOnImplThread(); 11902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->RenewTreePriority(); 11912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (tile_manager_ && debug_state_.continuous_painting) { 11932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderingStats stats = 11942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rendering_stats_instrumentation_->GetRenderingStats(); 11952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) paint_time_counter_->SaveRasterizeTime( 11962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) stats.total_rasterize_time_for_now_bins_on_pending_tree, 11972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->source_frame_number()); 11982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 11992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 12002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::SetVisible(bool visible) { 12022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(proxy_->IsImplThread()); 12032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (visible_ == visible) 12052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 12062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) visible_ = visible; 12072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DidVisibilityChange(this, visible_); 12082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) EnforceManagedMemoryPolicy(managed_memory_policy_); 12092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!renderer_) 12112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 12122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_->SetVisible(visible); 12142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetBackgroundTickingEnabled( 12162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) !visible_ && 12172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) !animation_registrar_->active_animation_controllers().empty()); 12182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 12192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::InitializeRenderer( 12212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<OutputSurface> output_surface) { 12222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Since we will create a new resource provider, we cannot continue to use 12232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // the old resources (i.e. render_surfaces and texture IDs). Clear them 12242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // before we destroy the old resource provider. 12252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_tree_->root_layer()) 12262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ClearRenderSurfaces(); 12272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_tree_->root_layer()) 12282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SendDidLoseOutputSurfaceRecursive(active_tree_->root_layer()); 12292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (pending_tree_ && pending_tree_->root_layer()) 12302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SendDidLoseOutputSurfaceRecursive(pending_tree_->root_layer()); 12312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (recycle_tree_ && recycle_tree_->root_layer()) 12322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SendDidLoseOutputSurfaceRecursive(recycle_tree_->root_layer()); 12332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Note: order is important here. 12352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_.reset(); 12362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) tile_manager_.reset(); 12372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resource_provider_.reset(); 12382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) output_surface_.reset(); 12392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!output_surface->BindToClient(this)) 12412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 12422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<ResourceProvider> resource_provider = 12442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ResourceProvider::Create(output_surface.get()); 12452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!resource_provider) 12462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 12472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (settings_.impl_side_painting) { 12492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) tile_manager_.reset(new TileManager(this, 12502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resource_provider.get(), 12512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) settings_.num_raster_threads, 12522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) settings_.use_cheapness_estimator, 12532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) settings_.use_color_estimator, 12542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) settings_.prediction_benchmarking, 12552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rendering_stats_instrumentation_)); 12562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 12572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (output_surface->capabilities().has_parent_compositor) { 12592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_ = DelegatingRenderer::Create(this, output_surface.get(), 12602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resource_provider.get()); 12612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else if (output_surface->context3d()) { 12622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_ = GLRenderer::Create(this, 12632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) output_surface.get(), 12642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resource_provider.get()); 12652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else if (output_surface->software_device()) { 12662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_ = SoftwareRenderer::Create(this, 12672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) output_surface.get(), 12682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resource_provider.get()); 12692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 12702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!renderer_) 12712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 12722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resource_provider_ = resource_provider.Pass(); 12742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) output_surface_ = output_surface.Pass(); 12752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!visible_) 12772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_->SetVisible(visible_); 12782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->OnCanDrawStateChanged(CanDraw()); 12802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // See note in LayerTreeImpl::UpdateDrawProperties. Renderer needs 12822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // to be initialized to get max texture size. 12832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->set_needs_update_draw_properties(); 12842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (pending_tree_) 12852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_tree_->set_needs_update_draw_properties(); 12862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return true; 12882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 12892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::SetViewportSize(gfx::Size layout_viewport_size, 12912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Size device_viewport_size) { 12922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (layout_viewport_size == layout_viewport_size_ && 12932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) device_viewport_size == device_viewport_size_) 12942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 12952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (pending_tree_ && device_viewport_size_ != device_viewport_size) 12972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->SetViewportSizeInvalid(); 12982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layout_viewport_size_ = layout_viewport_size; 13002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) device_viewport_size_ = device_viewport_size; 13012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) UpdateMaxScrollOffset(); 13032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (renderer_) 13052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_->ViewportChanged(); 13062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->OnCanDrawStateChanged(CanDraw()); 13082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 13092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static void AdjustScrollsForPageScaleChange(LayerImpl* layer_impl, 13112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float page_scale_change) { 13122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!layer_impl) 13132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 13142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (layer_impl->scrollable()) { 13162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We need to convert impl-side scroll deltas to page_scale space. 13172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF scroll_delta = layer_impl->scroll_delta(); 13182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scroll_delta.Scale(page_scale_change); 13192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_impl->SetScrollDelta(scroll_delta); 13202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 13212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t i = 0; i < layer_impl->children().size(); ++i) 13232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AdjustScrollsForPageScaleChange(layer_impl->children()[i], 13242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page_scale_change); 13252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 13262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::SetOverdrawBottomHeight(float overdraw_bottom_height) { 13282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (overdraw_bottom_height == overdraw_bottom_height_) 13292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 13302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) overdraw_bottom_height_ = overdraw_bottom_height; 13312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) UpdateMaxScrollOffset(); 13332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 13342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::SetDeviceScaleFactor(float device_scale_factor) { 13362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (device_scale_factor == device_scale_factor_) 13372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 13382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) device_scale_factor_ = device_scale_factor; 13392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) UpdateMaxScrollOffset(); 13412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 13422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::UpdateMaxScrollOffset() { 13442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->UpdateMaxScrollOffset(); 13452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 13462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::setActiveTreeNeedsUpdateDrawProperties() { 13482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->set_needs_update_draw_properties(); 13492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 13502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::setNeedsRedraw() { 13522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsRedrawOnImplThread(); 13532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 13542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::EnsureRenderSurfaceLayerList() { 13562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->UpdateDrawProperties(LayerTreeImpl::UPDATE_ACTIVE_TREE); 13572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return active_tree_->RenderSurfaceLayerList().size(); 13582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 13592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)InputHandlerClient::ScrollStatus LayerTreeHostImpl::ScrollBegin( 13612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Point viewport_point, InputHandlerClient::ScrollInputType type) { 13622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("cc", "LayerTreeHostImpl::ScrollBegin"); 13632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (top_controls_manager_) 13652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) top_controls_manager_->ScrollBegin(); 13662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(!CurrentlyScrollingLayer()); 13682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ClearCurrentlyScrollingLayer(); 13692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!EnsureRenderSurfaceLayerList()) 13712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return ScrollIgnored; 13722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF device_viewport_point = gfx::ScalePoint(viewport_point, 13742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) device_scale_factor_); 13752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // First find out which layer was hit from the saved list of visible layers 13772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // in the most recent frame. 13782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* layer_impl = LayerTreeHostCommon::FindLayerThatIsHitByPoint( 13792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) device_viewport_point, active_tree_->RenderSurfaceLayerList()); 13802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Walk up the hierarchy and look for a scrollable layer. 13822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* potentially_scrolling_layer_impl = 0; 13832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (; layer_impl; layer_impl = layer_impl->parent()) { 13842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // The content layer can also block attempts to scroll outside the main 13852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // thread. 13862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ScrollStatus status = layer_impl->TryScroll(device_viewport_point, type); 13872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (status == ScrollOnMainThread) { 13882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rendering_stats_instrumentation_->IncrementMainThreadScrolls(); 13892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) UMA_HISTOGRAM_BOOLEAN("TryScroll.SlowScroll", true); 13902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree()->DidBeginScroll(); 13912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return ScrollOnMainThread; 13922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 13932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* scroll_layer_impl = FindScrollLayerForContentLayer(layer_impl); 13952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!scroll_layer_impl) 13962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) continue; 13972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) status = scroll_layer_impl->TryScroll(device_viewport_point, type); 13992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If any layer wants to divert the scroll event to the main thread, abort. 14012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (status == ScrollOnMainThread) { 14022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rendering_stats_instrumentation_->IncrementMainThreadScrolls(); 14032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) UMA_HISTOGRAM_BOOLEAN("TryScroll.SlowScroll", true); 14042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree()->DidBeginScroll(); 14052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return ScrollOnMainThread; 14062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 14072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (status == ScrollStarted && !potentially_scrolling_layer_impl) 14092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) potentially_scrolling_layer_impl = scroll_layer_impl; 14102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 14112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // When hiding top controls is enabled and the controls are hidden or 14132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // overlaying the content, force scrolls to be enabled on the root layer to 14142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // allow bringing the top controls back into view. 14152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!potentially_scrolling_layer_impl && top_controls_manager_ && 14162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) top_controls_manager_->content_top_offset() != 14172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) settings_.top_controls_height) { 14182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) potentially_scrolling_layer_impl = RootScrollLayer(); 14192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 14202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (potentially_scrolling_layer_impl) { 14222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->SetCurrentlyScrollingLayer( 14232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) potentially_scrolling_layer_impl); 14242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) should_bubble_scrolls_ = (type != NonBubblingGesture); 14252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) wheel_scrolling_ = (type == Wheel); 14262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rendering_stats_instrumentation_->IncrementImplThreadScrolls(); 14272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->RenewTreePriority(); 14282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) UMA_HISTOGRAM_BOOLEAN("TryScroll.SlowScroll", false); 14292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree()->DidBeginScroll(); 14302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return ScrollStarted; 14312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 14322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return ScrollIgnored; 14332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 14342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)gfx::Vector2dF LayerTreeHostImpl::ScrollLayerWithViewportSpaceDelta( 14362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* layer_impl, 14372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float scale_from_viewport_to_screen_space, 14382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF viewport_point, 14392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF viewport_delta) { 14402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Layers with non-invertible screen space transforms should not have passed 14412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // the scroll hit test in the first place. 14422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(layer_impl->screen_space_transform().IsInvertible()); 14432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Transform inverse_screen_space_transform( 14442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Transform::kSkipInitialization); 14452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool did_invert = layer_impl->screen_space_transform().GetInverse( 14462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &inverse_screen_space_transform); 14472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO: With the advent of impl-side crolling for non-root layers, we may 14482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // need to explicitly handle uninvertible transforms here. 14492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(did_invert); 14502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF screen_space_point = 14522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::ScalePoint(viewport_point, scale_from_viewport_to_screen_space); 14532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF screen_space_delta = viewport_delta; 14552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) screen_space_delta.Scale(scale_from_viewport_to_screen_space); 14562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // First project the scroll start and end points to local layer space to find 14582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // the scroll delta in layer coordinates. 14592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool start_clipped, end_clipped; 14602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF screen_space_end_point = screen_space_point + screen_space_delta; 14612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF local_start_point = 14622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MathUtil::ProjectPoint(inverse_screen_space_transform, 14632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) screen_space_point, 14642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &start_clipped); 14652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF local_end_point = 14662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MathUtil::ProjectPoint(inverse_screen_space_transform, 14672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) screen_space_end_point, 14682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &end_clipped); 14692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // In general scroll point coordinates should not get clipped. 14712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(!start_clipped); 14722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(!end_clipped); 14732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (start_clipped || end_clipped) 14742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return gfx::Vector2dF(); 14752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // local_start_point and local_end_point are in content space but we want to 14772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // move them to layer space for scrolling. 14782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float width_scale = 1.f / layer_impl->contents_scale_x(); 14792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float height_scale = 1.f / layer_impl->contents_scale_y(); 14802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) local_start_point.Scale(width_scale, height_scale); 14812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) local_end_point.Scale(width_scale, height_scale); 14822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Apply the scroll delta. 14842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF previous_delta = layer_impl->scroll_delta(); 14852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_impl->ScrollBy(local_end_point - local_start_point); 14862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Get the end point in the layer's content space so we can apply its 14882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // ScreenSpaceTransform. 14892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF actual_local_end_point = local_start_point + 14902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_impl->scroll_delta() - 14912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) previous_delta; 14922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF actual_local_content_end_point = 14932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::ScalePoint(actual_local_end_point, 14942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1.f / width_scale, 14952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1.f / height_scale); 14962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Calculate the applied scroll delta in viewport space coordinates. 14982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF actual_screen_space_end_point = 14992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MathUtil::MapPoint(layer_impl->screen_space_transform(), 15002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) actual_local_content_end_point, 15012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) &end_clipped); 15022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(!end_clipped); 15032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (end_clipped) 15042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return gfx::Vector2dF(); 15052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF actual_viewport_end_point = 15062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::ScalePoint(actual_screen_space_end_point, 15072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1.f / scale_from_viewport_to_screen_space); 15082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return actual_viewport_end_point - viewport_point; 15092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 15102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 15112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static gfx::Vector2dF ScrollLayerWithLocalDelta(LayerImpl* layer_impl, 15122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF local_delta) { 15132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF previous_delta(layer_impl->scroll_delta()); 15142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_impl->ScrollBy(local_delta); 15152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer_impl->scroll_delta() - previous_delta; 15162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 15172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 15182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::ScrollBy(gfx::Point viewport_point, 15192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF scroll_delta) { 15202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("cc", "LayerTreeHostImpl::ScrollBy"); 15212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!CurrentlyScrollingLayer()) 15222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 15232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 15242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF pending_delta = scroll_delta; 15252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool did_scroll = false; 15262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool consume_by_top_controls = top_controls_manager_ && 15272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) (CurrentlyScrollingLayer() == RootScrollLayer() || scroll_delta.y() < 0); 15282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 15292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (LayerImpl* layer_impl = CurrentlyScrollingLayer(); 15302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_impl; 15312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_impl = layer_impl->parent()) { 15322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!layer_impl->scrollable()) 15332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) continue; 15342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 15352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Only allow bubble scrolling when the scroll is in the direction to make 15362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // the top controls visible. 15372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (consume_by_top_controls && layer_impl == RootScrollLayer()) { 15382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_delta = top_controls_manager_->ScrollBy(pending_delta); 15392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) UpdateMaxScrollOffset(); 15402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 15412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 15422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF applied_delta; 15432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Gesture events need to be transformed from viewport coordinates to local 15442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // layer coordinates so that the scrolling contents exactly follow the 15452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // user's finger. In contrast, wheel events represent a fixed amount of 15462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // scrolling so we can just apply them directly. 15472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!wheel_scrolling_) { 15482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float scale_from_viewport_to_screen_space = device_scale_factor_; 15492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) applied_delta = 15502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ScrollLayerWithViewportSpaceDelta(layer_impl, 15512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scale_from_viewport_to_screen_space, 15522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) viewport_point, pending_delta); 15532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else { 15542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) applied_delta = ScrollLayerWithLocalDelta(layer_impl, pending_delta); 15552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 15562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 15572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If the layer wasn't able to move, try the next one in the hierarchy. 15582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float move_threshold_squared = 0.1f * 0.1f; 15592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (applied_delta.LengthSquared() < move_threshold_squared) { 15602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (should_bubble_scrolls_ || !did_lock_scrolling_layer_) 15612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) continue; 15622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) else 15632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 15642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 15652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) did_scroll = true; 15662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) did_lock_scrolling_layer_ = true; 15672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!should_bubble_scrolls_) { 15682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->SetCurrentlyScrollingLayer(layer_impl); 15692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 15702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 15712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 15722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If the applied delta is within 45 degrees of the input delta, bail out to 15732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // make it easier to scroll just one layer in one direction without 15742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // affecting any of its parents. 15752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float angle_threshold = 45; 15762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (MathUtil::SmallestAngleBetweenVectors( 15772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) applied_delta, pending_delta) < angle_threshold) { 15782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_delta = gfx::Vector2d(); 15792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 15802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 15812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 15822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Allow further movement only on an axis perpendicular to the direction in 15832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // which the layer moved. 15842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF perpendicular_axis(-applied_delta.y(), applied_delta.x()); 15852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_delta = MathUtil::ProjectVector(pending_delta, perpendicular_axis); 15862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 15872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (gfx::ToFlooredVector2d(pending_delta).IsZero()) 15882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 15892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 15902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 15912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree()->DidUpdateScroll(); 15922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (did_scroll) { 15932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsCommitOnImplThread(); 15942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsRedrawOnImplThread(); 15952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->RenewTreePriority(); 15962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 15972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return did_scroll; 15982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 15992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// This implements scrolling by page as described here: 16012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// http://msdn.microsoft.com/en-us/library/windows/desktop/ms645601(v=vs.85).aspx#_win32_The_Mouse_Wheel 16022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// for events with WHEEL_PAGESCROLL set. 16032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool LayerTreeHostImpl::ScrollVerticallyByPage( 16042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Point viewport_point, 16052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) WebKit::WebScrollbar::ScrollDirection direction) { 16062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(wheel_scrolling_); 16072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (LayerImpl* layer_impl = CurrentlyScrollingLayer(); 16092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_impl; 16102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_impl = layer_impl->parent()) { 16112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!layer_impl->scrollable()) 16122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) continue; 16132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!layer_impl->vertical_scrollbar_layer()) 16152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) continue; 16162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float height = layer_impl->vertical_scrollbar_layer()->bounds().height(); 16182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // These magical values match WebKit and are designed to scroll nearly the 16202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // entire visible content height but leave a bit of overlap. 16212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float page = std::max(height * 0.875f, 1.f); 16222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (direction == WebKit::WebScrollbar::ScrollBackward) 16232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page = -page; 16242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF delta = gfx::Vector2dF(0.f, page); 16262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF applied_delta = ScrollLayerWithLocalDelta(layer_impl, delta); 16282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!applied_delta.IsZero()) { 16302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree()->DidUpdateScroll(); 16312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsCommitOnImplThread(); 16322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsRedrawOnImplThread(); 16332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->RenewTreePriority(); 16342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return true; 16352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 16362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->SetCurrentlyScrollingLayer(layer_impl); 16382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 16392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 16412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 16422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::ClearCurrentlyScrollingLayer() { 16442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->ClearCurrentlyScrollingLayer(); 16452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) did_lock_scrolling_layer_ = false; 16462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 16472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::ScrollEnd() { 16492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (top_controls_manager_) 16502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) top_controls_manager_->ScrollEnd(); 16512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ClearCurrentlyScrollingLayer(); 16522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree()->DidEndScroll(); 16532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) StartScrollbarAnimation(base::TimeTicks::Now()); 16542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 16552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::PinchGestureBegin() { 16572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pinch_gesture_active_ = true; 16582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) previous_pinch_anchor_ = gfx::Point(); 16592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->RenewTreePriority(); 16602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 16612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::PinchGestureUpdate(float magnify_delta, 16632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Point anchor) { 16642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("cc", "LayerTreeHostImpl::PinchGestureUpdate"); 16652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!RootScrollLayer()) 16672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 16682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Keep the center-of-pinch anchor specified by (x, y) in a stable 16702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // position over the course of the magnify. 16712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) float page_scale_delta = active_tree_->page_scale_delta(); 16722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF previous_scale_anchor = 16732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::ScalePoint(anchor, 1.f / page_scale_delta); 16742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->SetPageScaleDelta(page_scale_delta * magnify_delta); 16752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page_scale_delta = active_tree_->page_scale_delta(); 16762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::PointF new_scale_anchor = 16772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::ScalePoint(anchor, 1.f / page_scale_delta); 16782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF move = previous_scale_anchor - new_scale_anchor; 16792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) previous_pinch_anchor_ = anchor; 16812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) move.Scale(1 / active_tree_->page_scale_factor()); 16832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RootScrollLayer()->ScrollBy(move); 16852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsCommitOnImplThread(); 16872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsRedrawOnImplThread(); 16882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->RenewTreePriority(); 16892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 16902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::PinchGestureEnd() { 16922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pinch_gesture_active_ = false; 16932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsCommitOnImplThread(); 16942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 16952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 16962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)static void CollectScrollDeltas(ScrollAndScaleSet* scroll_info, 16972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* layer_impl) { 16982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!layer_impl) 16992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 17002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2d scroll_delta = 17022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::ToFlooredVector2d(layer_impl->scroll_delta()); 17032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!scroll_delta.IsZero()) { 17042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeHostCommon::ScrollUpdateInfo scroll; 17052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scroll.layer_id = layer_impl->id(); 17062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scroll.scroll_delta = scroll_delta; 17072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scroll_info->scrolls.push_back(scroll); 17082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer_impl->SetSentScrollDelta(scroll_delta); 17092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 17102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t i = 0; i < layer_impl->children().size(); ++i) 17122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CollectScrollDeltas(scroll_info, layer_impl->children()[i]); 17132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 17142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)scoped_ptr<ScrollAndScaleSet> LayerTreeHostImpl::ProcessScrollDeltas() { 17162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<ScrollAndScaleSet> scroll_info(new ScrollAndScaleSet()); 17172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CollectScrollDeltas(scroll_info.get(), active_tree_->root_layer()); 17192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scroll_info->page_scale_delta = active_tree_->page_scale_delta(); 17202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->set_sent_page_scale_delta(scroll_info->page_scale_delta); 17212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return scroll_info.Pass(); 17232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 17242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::SetFullRootLayerDamage() { 17262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_tree_->root_layer()) { 17272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RenderSurfaceImpl* render_surface = 17282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->root_layer()->render_surface(); 17292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (render_surface) 17302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) render_surface->damage_tracker()->ForceFullDamageNextUpdate(); 17312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 17322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 17332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::AnimatePageScale(base::TimeTicks time) { 17352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!page_scale_animation_ || !RootScrollLayer()) 17362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 17372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) double monotonic_time = (time - base::TimeTicks()).InSecondsF(); 17392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF scroll_total = RootScrollLayer()->scroll_offset() + 17402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RootScrollLayer()->scroll_delta(); 17412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->SetPageScaleDelta( 17432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page_scale_animation_->PageScaleFactorAtTime(monotonic_time) / 17442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->page_scale_factor()); 17452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF next_scroll = 17462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page_scale_animation_->ScrollOffsetAtTime(monotonic_time); 17472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RootScrollLayer()->ScrollBy(next_scroll - scroll_total); 17492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsRedrawOnImplThread(); 17502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (page_scale_animation_->IsAnimationCompleteAtTime(monotonic_time)) { 17522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) page_scale_animation_.reset(); 17532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsCommitOnImplThread(); 17542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->RenewTreePriority(); 17552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 17562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 17572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::AnimateTopControls(base::TimeTicks time) { 17592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!top_controls_manager_ || !RootScrollLayer()) 17602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 17612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Vector2dF scroll = top_controls_manager_->Animate(time); 17622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) UpdateMaxScrollOffset(); 17632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) RootScrollLayer()->ScrollBy(gfx::ScaleVector2d( 17642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scroll, 1.f / active_tree_->total_page_scale_factor())); 17652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 17662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::AnimateLayers(base::TimeTicks monotonic_time, 17682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Time wall_clock_time) { 17692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!settings_.accelerated_animation_enabled || 17702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) animation_registrar_->active_animation_controllers().empty() || 17712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) !active_tree_->root_layer()) 17722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 17732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("cc", "LayerTreeHostImpl::AnimateLayers"); 17752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) last_animation_time_ = wall_clock_time; 17772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) double monotonic_seconds = (monotonic_time - base::TimeTicks()).InSecondsF(); 17782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AnimationRegistrar::AnimationControllerMap copy = 17802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) animation_registrar_->active_animation_controllers(); 17812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (AnimationRegistrar::AnimationControllerMap::iterator iter = copy.begin(); 17822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) iter != copy.end(); 17832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ++iter) 17842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) (*iter).second->Animate(monotonic_seconds); 17852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsRedrawOnImplThread(); 17872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetBackgroundTickingEnabled( 17882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) !visible_ && 17892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) !animation_registrar_->active_animation_controllers().empty()); 17902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 17912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::UpdateAnimationState() { 17932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!settings_.accelerated_animation_enabled || 17942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) animation_registrar_->active_animation_controllers().empty() || 17952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) !active_tree_->root_layer()) 17962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 17972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("cc", "LayerTreeHostImpl::UpdateAnimationState"); 17992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<AnimationEventsVector> events = 18002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) make_scoped_ptr(new AnimationEventsVector); 18012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AnimationRegistrar::AnimationControllerMap copy = 18022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) animation_registrar_->active_animation_controllers(); 18032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (AnimationRegistrar::AnimationControllerMap::iterator iter = copy.begin(); 18042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) iter != copy.end(); 18052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ++iter) 18062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) (*iter).second->UpdateState(events.get()); 18072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!events->empty()) { 18092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->PostAnimationEventsToMainThreadOnImplThread(events.Pass(), 18102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) last_animation_time_); 18112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 18122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 18132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)base::TimeDelta LayerTreeHostImpl::LowFrequencyAnimationInterval() const { 18152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return base::TimeDelta::FromSeconds(1); 18162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 18172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::SendDidLoseOutputSurfaceRecursive(LayerImpl* current) { 18192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(current); 18202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) current->DidLoseOutputSurface(); 18212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (current->mask_layer()) 18222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SendDidLoseOutputSurfaceRecursive(current->mask_layer()); 18232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (current->replica_layer()) 18242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SendDidLoseOutputSurfaceRecursive(current->replica_layer()); 18252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t i = 0; i < current->children().size(); ++i) 18262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SendDidLoseOutputSurfaceRecursive(current->children()[i]); 18272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 18282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::ClearRenderSurfaces() { 18302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_tree_->ClearRenderSurfaces(); 18312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (pending_tree_) 18322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_tree_->ClearRenderSurfaces(); 18332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 18342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)std::string LayerTreeHostImpl::LayerTreeAsText() const { 18362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::string str; 18372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_tree_->root_layer()) { 18382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) str = active_tree_->root_layer()->LayerTreeAsText(); 18392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) str += "RenderSurfaces:\n"; 18402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DumpRenderSurfaces(&str, 1, active_tree_->root_layer()); 18412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 18422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return str; 18432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 18442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)std::string LayerTreeHostImpl::LayerTreeAsJson() const { 18462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) std::string str; 18472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_tree_->root_layer()) { 18482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<base::Value> json(active_tree_->root_layer()->LayerTreeAsJson()); 18492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::JSONWriter::WriteWithOptions( 18502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) json.get(), base::JSONWriter::OPTIONS_PRETTY_PRINT, &str); 18512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 18522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return str; 18532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 18542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::DumpRenderSurfaces(std::string* str, 18562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int indent, 18572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const LayerImpl* layer) const { 18582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (layer->render_surface()) 18592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer->render_surface()->DumpSurface(str, indent); 18602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t i = 0; i < layer->children().size(); ++i) 18622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DumpRenderSurfaces(str, indent, layer->children()[i]); 18632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 18642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)int LayerTreeHostImpl::SourceAnimationFrameNumber() const { 18662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return fps_counter_->current_frame_number(); 18672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 18682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::SendManagedMemoryStats( 18702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_t memory_visible_bytes, 18712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_t memory_visible_and_nearby_bytes, 18722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) size_t memory_use_bytes) { 18732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!renderer_) 18742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 18752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Round the numbers being sent up to the next 8MB, to throttle the rate 18772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // at which we spam the GPU process. 18782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) static const size_t rounding_step = 8 * 1024 * 1024; 18792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) memory_visible_bytes = RoundUp(memory_visible_bytes, rounding_step); 18802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) memory_visible_and_nearby_bytes = RoundUp(memory_visible_and_nearby_bytes, 18812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rounding_step); 18822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) memory_use_bytes = RoundUp(memory_use_bytes, rounding_step); 18832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (last_sent_memory_visible_bytes_ == memory_visible_bytes && 18842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) last_sent_memory_visible_and_nearby_bytes_ == 18852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) memory_visible_and_nearby_bytes && 18862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) last_sent_memory_use_bytes_ == memory_use_bytes) { 18872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 18882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 18892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) last_sent_memory_visible_bytes_ = memory_visible_bytes; 18902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) last_sent_memory_visible_and_nearby_bytes_ = memory_visible_and_nearby_bytes; 18912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) last_sent_memory_use_bytes_ = memory_use_bytes; 18922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) renderer_->SendManagedMemoryStats(last_sent_memory_visible_bytes_, 18942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) last_sent_memory_visible_and_nearby_bytes_, 18952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) last_sent_memory_use_bytes_); 18962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 18972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::AnimateScrollbars(base::TimeTicks time) { 18992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AnimateScrollbarsRecursive(active_tree_->root_layer(), time); 19002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 19012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::AnimateScrollbarsRecursive(LayerImpl* layer, 19032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::TimeTicks time) { 19042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!layer) 19052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 19062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ScrollbarAnimationController* scrollbar_controller = 19082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer->scrollbar_animation_controller(); 19092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (scrollbar_controller && scrollbar_controller->Animate(time)) { 19102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT_INSTANT0( 19112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) "cc", "LayerTreeHostImpl::SetNeedsRedraw due to AnimateScrollbars"); 19122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsRedrawOnImplThread(); 19132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 19142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t i = 0; i < layer->children().size(); ++i) 19162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AnimateScrollbarsRecursive(layer->children()[i], time); 19172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 19182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::StartScrollbarAnimation(base::TimeTicks time) { 19202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) TRACE_EVENT0("cc", "LayerTreeHostImpl::StartScrollbarAnimation"); 19212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) StartScrollbarAnimationRecursive(RootLayer(), time); 19222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 19232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::StartScrollbarAnimationRecursive(LayerImpl* layer, 19252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::TimeTicks time) { 19262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!layer) 19272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 19282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ScrollbarAnimationController* scrollbar_controller = 19302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) layer->scrollbar_animation_controller(); 19312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (scrollbar_controller && scrollbar_controller->IsAnimating()) { 19322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::TimeDelta delay = scrollbar_controller->DelayBeforeStart(time); 19332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (delay > base::TimeDelta()) 19342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->RequestScrollbarAnimationOnImplThread(delay); 19352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) else if (scrollbar_controller->Animate(time)) 19362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) client_->SetNeedsRedrawOnImplThread(); 19372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 19382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (size_t i = 0; i < layer->children().size(); ++i) 19402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) StartScrollbarAnimationRecursive(layer->children()[i], time); 19412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 19422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::SetTreePriority(TreePriority priority) { 19442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!tile_manager_) 19452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 19462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) GlobalStateThatImpactsTilePriority new_state(tile_manager_->GlobalState()); 19482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (new_state.tree_priority == priority) 19492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 19502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) new_state.tree_priority = priority; 19522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) tile_manager_->SetGlobalState(new_state); 19532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 19542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::BeginNextFrame() { 19562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) current_frame_time_ = base::TimeTicks(); 19572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 19582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)base::TimeTicks LayerTreeHostImpl::CurrentFrameTime() { 19602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (current_frame_time_.is_null()) 19612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) current_frame_time_ = base::TimeTicks::Now(); 19622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return current_frame_time_; 19632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 19642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)scoped_ptr<base::Value> LayerTreeHostImpl::AsValue() const { 19662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue()); 19672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) state->Set("activation_state", ActivationStateAsValue().release()); 19682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) state->Set("frame_state", FrameStateAsValue().release()); 19692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return state.PassAs<base::Value>(); 19702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 19712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)scoped_ptr<base::Value> LayerTreeHostImpl::ActivationStateAsValue() const { 19732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue()); 19742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) state->SetString("lthi_id", base::StringPrintf("%p", this)); 19752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) state->SetBoolean("visible_resources_ready", 19762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_tree_->AreVisibleResourcesReady()); 19772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) state->Set("tile_manager", tile_manager_->BasicStateAsValue().release()); 19782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return state.PassAs<base::Value>(); 19792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 19802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)scoped_ptr<base::Value> LayerTreeHostImpl::FrameStateAsValue() const { 19822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue()); 19832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) state->SetString("lthi_id", base::StringPrintf("%p", this)); 19842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) state->Set("device_viewport_size", 19852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) MathUtil::AsValue(device_viewport_size_).release()); 19862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (tile_manager_) 19872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) state->Set("tiles", tile_manager_->AllTilesAsValue().release()); 19882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) state->Set("active_tree", active_tree_->AsValue().release()); 19892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return state.PassAs<base::Value>(); 19902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 19912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// static 19932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)LayerImpl* LayerTreeHostImpl::GetNonCompositedContentLayerRecursive( 19942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* layer) { 19952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!layer) 19962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return NULL; 19972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 19982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (layer->DrawsContent()) 19992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer; 20002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 20012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) for (LayerImpl::LayerList::const_iterator it = layer->children().begin(); 20022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) it != layer->children().end(); ++it) { 20032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* nccr = GetNonCompositedContentLayerRecursive(*it); 20042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (nccr) 20052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return nccr; 20062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 20072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 20082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return NULL; 20092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 20102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 20112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)skia::RefPtr<SkPicture> LayerTreeHostImpl::CapturePicture() { 20122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerTreeImpl* tree = 20132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_tree_ ? pending_tree_.get() : active_tree_.get(); 20142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) LayerImpl* layer = GetNonCompositedContentLayerRecursive(tree->root_layer()); 20152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return layer ? layer->GetPicture() : skia::RefPtr<SkPicture>(); 20162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 20172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 20182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::SetDebugState(const LayerTreeDebugState& debug_state) { 20192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (debug_state_.continuous_painting != debug_state.continuous_painting) 20202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) paint_time_counter_->ClearHistory(); 20212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 20222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) debug_state_ = debug_state; 20232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 20242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 20252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void LayerTreeHostImpl::SavePaintTime(const base::TimeDelta& total_paint_time, 20262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int commit_number) { 20272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(debug_state_.continuous_painting); 20282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) paint_time_counter_->SavePaintTime(total_paint_time, commit_number); 20292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 20302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 20312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} // namespace cc 2032