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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_impl.h" | 5 #include "cc/trees/layer_tree_host_impl.h" |
| 6 | 6 |
| 7 #include <stddef.h> | 7 #include <stddef.h> |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <algorithm> | 10 #include <algorithm> |
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| 794 !root_surface->damage_tracker()->current_damage_rect().Intersects( | 794 !root_surface->damage_tracker()->current_damage_rect().Intersects( |
| 795 root_surface->content_rect()); | 795 root_surface->content_rect()); |
| 796 bool root_surface_has_contributing_layers = | 796 bool root_surface_has_contributing_layers = |
| 797 !root_surface->layer_list().empty(); | 797 !root_surface->layer_list().empty(); |
| 798 bool hud_wants_to_draw_ = active_tree_->hud_layer() && | 798 bool hud_wants_to_draw_ = active_tree_->hud_layer() && |
| 799 active_tree_->hud_layer()->IsAnimatingHUDContents(); | 799 active_tree_->hud_layer()->IsAnimatingHUDContents(); |
| 800 if (root_surface_has_contributing_layers && | 800 if (root_surface_has_contributing_layers && |
| 801 root_surface_has_no_visible_damage && | 801 root_surface_has_no_visible_damage && |
| 802 !active_tree_->property_trees()->effect_tree.HasCopyRequests() && | 802 !active_tree_->property_trees()->effect_tree.HasCopyRequests() && |
| 803 !output_surface_->capabilities().can_force_reclaim_resources && | 803 !output_surface_->capabilities().can_force_reclaim_resources && |
| 804 !hud_wants_to_draw_) { | 804 !hud_wants_to_draw_ && !active_tree_->HandleVisibilityChanged()) { |
| 805 TRACE_EVENT0("cc", | 805 TRACE_EVENT0("cc", |
| 806 "LayerTreeHostImpl::CalculateRenderPasses::EmptyDamageRect"); | 806 "LayerTreeHostImpl::CalculateRenderPasses::EmptyDamageRect"); |
| 807 frame->has_no_damage = true; | 807 frame->has_no_damage = true; |
| 808 DCHECK(!resourceless_software_draw_); | 808 DCHECK(!resourceless_software_draw_); |
| 809 return DRAW_SUCCESS; | 809 return DRAW_SUCCESS; |
| 810 } | 810 } |
| 811 | 811 |
| 812 TRACE_EVENT_BEGIN2( | 812 TRACE_EVENT_BEGIN2( |
| 813 "cc", "LayerTreeHostImpl::CalculateRenderPasses", | 813 "cc", "LayerTreeHostImpl::CalculateRenderPasses", |
| 814 "render_surface_layer_list.size()", | 814 "render_surface_layer_list.size()", |
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| 4042 return task_runner_provider_->HasImplThread(); | 4042 return task_runner_provider_->HasImplThread(); |
| 4043 } | 4043 } |
| 4044 | 4044 |
| 4045 bool LayerTreeHostImpl::CommitToActiveTree() const { | 4045 bool LayerTreeHostImpl::CommitToActiveTree() const { |
| 4046 // In single threaded mode we skip the pending tree and commit directly to the | 4046 // In single threaded mode we skip the pending tree and commit directly to the |
| 4047 // active tree. | 4047 // active tree. |
| 4048 return !task_runner_provider_->HasImplThread(); | 4048 return !task_runner_provider_->HasImplThread(); |
| 4049 } | 4049 } |
| 4050 | 4050 |
| 4051 } // namespace cc | 4051 } // namespace cc |
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