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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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/layers/layer_impl.h" | 5 #include "cc/layers/layer_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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| 59 user_scrollable_vertical_(true), | 59 user_scrollable_vertical_(true), |
| 60 should_flatten_transform_from_property_tree_(false), | 60 should_flatten_transform_from_property_tree_(false), |
| 61 layer_property_changed_(false), | 61 layer_property_changed_(false), |
| 62 may_contain_video_(false), | 62 may_contain_video_(false), |
| 63 masks_to_bounds_(false), | 63 masks_to_bounds_(false), |
| 64 contents_opaque_(false), | 64 contents_opaque_(false), |
| 65 use_parent_backface_visibility_(false), | 65 use_parent_backface_visibility_(false), |
| 66 use_local_transform_for_backface_visibility_(false), | 66 use_local_transform_for_backface_visibility_(false), |
| 67 should_check_backface_visibility_(false), | 67 should_check_backface_visibility_(false), |
| 68 draws_content_(false), | 68 draws_content_(false), |
| 69 is_drawn_render_surface_layer_list_member_(false), | 69 contributes_to_drawn_render_surface_(false), |
| 70 was_ever_ready_since_last_transform_animation_(true), | 70 was_ever_ready_since_last_transform_animation_(true), |
| 71 background_color_(0), | 71 background_color_(0), |
| 72 safe_opaque_background_color_(0), | 72 safe_opaque_background_color_(0), |
| 73 transform_tree_index_(TransformTree::kInvalidNodeId), | 73 transform_tree_index_(TransformTree::kInvalidNodeId), |
| 74 effect_tree_index_(EffectTree::kInvalidNodeId), | 74 effect_tree_index_(EffectTree::kInvalidNodeId), |
| 75 clip_tree_index_(ClipTree::kInvalidNodeId), | 75 clip_tree_index_(ClipTree::kInvalidNodeId), |
| 76 scroll_tree_index_(ScrollTree::kInvalidNodeId), | 76 scroll_tree_index_(ScrollTree::kInvalidNodeId), |
| 77 current_draw_mode_(DRAW_MODE_NONE), | 77 current_draw_mode_(DRAW_MODE_NONE), |
| 78 mutable_properties_(MutableProperty::kNone), | 78 mutable_properties_(MutableProperty::kNone), |
| 79 debug_info_(nullptr), | 79 debug_info_(nullptr), |
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| 858 } | 858 } |
| 859 | 859 |
| 860 size_t LayerImpl::GPUMemoryUsageInBytes() const { return 0; } | 860 size_t LayerImpl::GPUMemoryUsageInBytes() const { return 0; } |
| 861 | 861 |
| 862 void LayerImpl::RunMicroBenchmark(MicroBenchmarkImpl* benchmark) { | 862 void LayerImpl::RunMicroBenchmark(MicroBenchmarkImpl* benchmark) { |
| 863 benchmark->RunOnLayer(this); | 863 benchmark->RunOnLayer(this); |
| 864 } | 864 } |
| 865 | 865 |
| 866 gfx::Transform LayerImpl::DrawTransform() const { | 866 gfx::Transform LayerImpl::DrawTransform() const { |
| 867 // Only drawn layers have up-to-date draw properties. | 867 // Only drawn layers have up-to-date draw properties. |
| 868 if (!is_drawn_render_surface_layer_list_member()) { | 868 if (!contributes_to_drawn_render_surface()) { |
| 869 if (GetPropertyTrees()->non_root_surfaces_enabled) { | 869 if (GetPropertyTrees()->non_root_surfaces_enabled) { |
| 870 return draw_property_utils::DrawTransform(this, GetTransformTree(), | 870 return draw_property_utils::DrawTransform(this, GetTransformTree(), |
| 871 GetEffectTree()); | 871 GetEffectTree()); |
| 872 } else { | 872 } else { |
| 873 return draw_property_utils::ScreenSpaceTransform(this, | 873 return draw_property_utils::ScreenSpaceTransform(this, |
| 874 GetTransformTree()); | 874 GetTransformTree()); |
| 875 } | 875 } |
| 876 } | 876 } |
| 877 | 877 |
| 878 return draw_properties().target_space_transform; | 878 return draw_properties().target_space_transform; |
| 879 } | 879 } |
| 880 | 880 |
| 881 gfx::Transform LayerImpl::ScreenSpaceTransform() const { | 881 gfx::Transform LayerImpl::ScreenSpaceTransform() const { |
| 882 // Only drawn layers have up-to-date draw properties. | 882 // Only drawn layers have up-to-date draw properties. |
| 883 if (!is_drawn_render_surface_layer_list_member()) { | 883 if (!contributes_to_drawn_render_surface()) { |
| 884 return draw_property_utils::ScreenSpaceTransform(this, GetTransformTree()); | 884 return draw_property_utils::ScreenSpaceTransform(this, GetTransformTree()); |
| 885 } | 885 } |
| 886 | 886 |
| 887 return draw_properties().screen_space_transform; | 887 return draw_properties().screen_space_transform; |
| 888 } | 888 } |
| 889 | 889 |
| 890 bool LayerImpl::CanUseLCDText() const { | 890 bool LayerImpl::CanUseLCDText() const { |
| 891 if (layer_tree_impl()->settings().layers_always_allowed_lcd_text) | 891 if (layer_tree_impl()->settings().layers_always_allowed_lcd_text) |
| 892 return true; | 892 return true; |
| 893 if (!layer_tree_impl()->settings().can_use_lcd_text) | 893 if (!layer_tree_impl()->settings().can_use_lcd_text) |
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| 979 | 979 |
| 980 ScrollTree& LayerImpl::GetScrollTree() const { | 980 ScrollTree& LayerImpl::GetScrollTree() const { |
| 981 return GetPropertyTrees()->scroll_tree; | 981 return GetPropertyTrees()->scroll_tree; |
| 982 } | 982 } |
| 983 | 983 |
| 984 TransformTree& LayerImpl::GetTransformTree() const { | 984 TransformTree& LayerImpl::GetTransformTree() const { |
| 985 return GetPropertyTrees()->transform_tree; | 985 return GetPropertyTrees()->transform_tree; |
| 986 } | 986 } |
| 987 | 987 |
| 988 } // namespace cc | 988 } // namespace cc |
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