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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/trees/layer_tree_host.h" | 5 #include "cc/trees/layer_tree_host.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <stack> | 8 #include <stack> |
9 #include <string> | 9 #include <string> |
10 | 10 |
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89 LayerTreeHost::LayerTreeHost(LayerTreeHostClient* client, | 89 LayerTreeHost::LayerTreeHost(LayerTreeHostClient* client, |
90 SharedBitmapManager* manager, | 90 SharedBitmapManager* manager, |
91 const LayerTreeSettings& settings) | 91 const LayerTreeSettings& settings) |
92 : micro_benchmark_controller_(this), | 92 : micro_benchmark_controller_(this), |
93 next_ui_resource_id_(1), | 93 next_ui_resource_id_(1), |
94 animating_(false), | 94 animating_(false), |
95 needs_full_tree_sync_(true), | 95 needs_full_tree_sync_(true), |
96 client_(client), | 96 client_(client), |
97 source_frame_number_(0), | 97 source_frame_number_(0), |
98 rendering_stats_instrumentation_(RenderingStatsInstrumentation::Create()), | 98 rendering_stats_instrumentation_(RenderingStatsInstrumentation::Create()), |
99 output_surface_can_be_initialized_(true), | |
100 output_surface_lost_(true), | 99 output_surface_lost_(true), |
101 num_failed_recreate_attempts_(0), | 100 num_failed_recreate_attempts_(0), |
102 settings_(settings), | 101 settings_(settings), |
103 debug_state_(settings.initial_debug_state), | 102 debug_state_(settings.initial_debug_state), |
104 overdraw_bottom_height_(0.f), | 103 overdraw_bottom_height_(0.f), |
105 device_scale_factor_(1.f), | 104 device_scale_factor_(1.f), |
106 visible_(true), | 105 visible_(true), |
107 page_scale_factor_(1.f), | 106 page_scale_factor_(1.f), |
108 min_page_scale_factor_(1.f), | 107 min_page_scale_factor_(1.f), |
109 max_page_scale_factor_(1.f), | 108 max_page_scale_factor_(1.f), |
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691 SetNeedsCommit(); | 690 SetNeedsCommit(); |
692 } | 691 } |
693 | 692 |
694 void LayerTreeHost::NotifyInputThrottledUntilCommit() { | 693 void LayerTreeHost::NotifyInputThrottledUntilCommit() { |
695 proxy_->NotifyInputThrottledUntilCommit(); | 694 proxy_->NotifyInputThrottledUntilCommit(); |
696 } | 695 } |
697 | 696 |
698 void LayerTreeHost::Composite(base::TimeTicks frame_begin_time) { | 697 void LayerTreeHost::Composite(base::TimeTicks frame_begin_time) { |
699 DCHECK(!proxy_->HasImplThread()); | 698 DCHECK(!proxy_->HasImplThread()); |
700 SingleThreadProxy* proxy = static_cast<SingleThreadProxy*>(proxy_.get()); | 699 SingleThreadProxy* proxy = static_cast<SingleThreadProxy*>(proxy_.get()); |
| 700 |
| 701 if (output_surface_lost_) |
| 702 proxy->CreateAndInitializeOutputSurface(); |
| 703 if (output_surface_lost_) |
| 704 return; |
| 705 |
701 proxy->CompositeImmediately(frame_begin_time); | 706 proxy->CompositeImmediately(frame_begin_time); |
702 } | 707 } |
703 | 708 |
704 bool LayerTreeHost::InitializeOutputSurfaceIfNeeded() { | |
705 if (!output_surface_can_be_initialized_) | |
706 return false; | |
707 | |
708 if (output_surface_lost_) | |
709 proxy_->CreateAndInitializeOutputSurface(); | |
710 return !output_surface_lost_; | |
711 } | |
712 | |
713 bool LayerTreeHost::UpdateLayers(ResourceUpdateQueue* queue) { | 709 bool LayerTreeHost::UpdateLayers(ResourceUpdateQueue* queue) { |
714 DCHECK(!output_surface_lost_); | 710 DCHECK(!output_surface_lost_); |
715 | 711 |
716 if (!root_layer()) | 712 if (!root_layer()) |
717 return false; | 713 return false; |
718 | 714 |
719 DCHECK(!root_layer()->parent()); | 715 DCHECK(!root_layer()->parent()); |
720 | 716 |
721 bool result = UpdateLayers(root_layer(), queue); | 717 bool result = UpdateLayers(root_layer(), queue); |
722 | 718 |
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1250 swap_promise_list_.push_back(swap_promise.Pass()); | 1246 swap_promise_list_.push_back(swap_promise.Pass()); |
1251 } | 1247 } |
1252 | 1248 |
1253 void LayerTreeHost::BreakSwapPromises(SwapPromise::DidNotSwapReason reason) { | 1249 void LayerTreeHost::BreakSwapPromises(SwapPromise::DidNotSwapReason reason) { |
1254 for (size_t i = 0; i < swap_promise_list_.size(); i++) | 1250 for (size_t i = 0; i < swap_promise_list_.size(); i++) |
1255 swap_promise_list_[i]->DidNotSwap(reason); | 1251 swap_promise_list_[i]->DidNotSwap(reason); |
1256 swap_promise_list_.clear(); | 1252 swap_promise_list_.clear(); |
1257 } | 1253 } |
1258 | 1254 |
1259 } // namespace cc | 1255 } // namespace cc |
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