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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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| 772 Layer* root_scroll = FindFirstScrollableLayer(root_layer); | 772 Layer* root_scroll = FindFirstScrollableLayer(root_layer); |
| 773 Layer* page_scale_layer = page_scale_layer_.get(); | 773 Layer* page_scale_layer = page_scale_layer_.get(); |
| 774 if (!page_scale_layer && root_scroll) | 774 if (!page_scale_layer && root_scroll) |
| 775 page_scale_layer = root_scroll->parent(); | 775 page_scale_layer = root_scroll->parent(); |
| 776 | 776 |
| 777 if (hud_layer_.get()) { | 777 if (hud_layer_.get()) { |
| 778 hud_layer_->PrepareForCalculateDrawProperties(device_viewport_size(), | 778 hud_layer_->PrepareForCalculateDrawProperties(device_viewport_size(), |
| 779 device_scale_factor_); | 779 device_scale_factor_); |
| 780 } | 780 } |
| 781 | 781 |
| 782 bool can_render_to_separate_surface = true; | |
| 783 | 782 |
| 784 TRACE_EVENT0("cc", "LayerTreeHost::UpdateLayers::CalcDrawProps"); | 783 TRACE_EVENT0("cc", "LayerTreeHost::UpdateLayers::CalcDrawProps"); |
| 785 | 784 |
| 786 LayerTreeHostCommon::PreCalculateMetaInformation(root_layer); | 785 LayerTreeHostCommon::PreCalculateMetaInformation(root_layer); |
| 787 | 786 |
| 788 bool preserves_2d_axis_alignment = false; | |
| 789 gfx::Transform identity_transform; | 787 gfx::Transform identity_transform; |
| 790 LayerList update_layer_list; | 788 LayerList update_layer_list; |
| 791 | 789 |
| 792 LayerTreeHostCommon::UpdateRenderSurfaces( | |
| 793 root_layer, can_render_to_separate_surface, identity_transform, | |
| 794 preserves_2d_axis_alignment); | |
| 795 { | 790 { |
| 796 TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("cc.debug.cdp-perf"), | 791 TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("cc.debug.cdp-perf"), |
| 797 "LayerTreeHostCommon::ComputeVisibleRectsWithPropertyTrees"); | 792 "LayerTreeHostCommon::ComputeVisibleRectsWithPropertyTrees"); |
| 793 bool can_render_to_separate_surface = true; |
| 798 BuildPropertyTreesAndComputeVisibleRects( | 794 BuildPropertyTreesAndComputeVisibleRects( |
| 799 root_layer, page_scale_layer, inner_viewport_scroll_layer_.get(), | 795 root_layer, page_scale_layer, inner_viewport_scroll_layer_.get(), |
| 800 outer_viewport_scroll_layer_.get(), overscroll_elasticity_layer_.get(), | 796 outer_viewport_scroll_layer_.get(), overscroll_elasticity_layer_.get(), |
| 801 elastic_overscroll_, page_scale_factor_, device_scale_factor_, | 797 elastic_overscroll_, page_scale_factor_, device_scale_factor_, |
| 802 gfx::Rect(device_viewport_size_), identity_transform, | 798 gfx::Rect(device_viewport_size_), identity_transform, |
| 803 can_render_to_separate_surface, &property_trees_, &update_layer_list); | 799 can_render_to_separate_surface, &property_trees_, &update_layer_list); |
| 804 } | 800 } |
| 805 | 801 |
| 806 for (const auto& layer : update_layer_list) | 802 for (const auto& layer : update_layer_list) |
| 807 layer->SavePaintProperties(); | 803 layer->SavePaintProperties(); |
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| 1259 return compositor_mode_ == CompositorMode::SingleThreaded; | 1255 return compositor_mode_ == CompositorMode::SingleThreaded; |
| 1260 } | 1256 } |
| 1261 | 1257 |
| 1262 bool LayerTreeHost::IsThreaded() const { | 1258 bool LayerTreeHost::IsThreaded() const { |
| 1263 DCHECK(compositor_mode_ != CompositorMode::Threaded || | 1259 DCHECK(compositor_mode_ != CompositorMode::Threaded || |
| 1264 task_runner_provider_->HasImplThread()); | 1260 task_runner_provider_->HasImplThread()); |
| 1265 return compositor_mode_ == CompositorMode::Threaded; | 1261 return compositor_mode_ == CompositorMode::Threaded; |
| 1266 } | 1262 } |
| 1267 | 1263 |
| 1268 } // namespace cc | 1264 } // namespace cc |
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