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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 "base/json/json_reader.h" | 7 #include "base/json/json_reader.h" |
8 #include "base/numerics/safe_conversions.h" | 8 #include "base/numerics/safe_conversions.h" |
9 #include "base/strings/stringprintf.h" | 9 #include "base/strings/stringprintf.h" |
10 #include "base/trace_event/trace_event.h" | 10 #include "base/trace_event/trace_event.h" |
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81 transform_tree_index_(-1), | 81 transform_tree_index_(-1), |
82 effect_tree_index_(-1), | 82 effect_tree_index_(-1), |
83 clip_tree_index_(-1), | 83 clip_tree_index_(-1), |
84 draw_depth_(0.f), | 84 draw_depth_(0.f), |
85 needs_push_properties_(false), | 85 needs_push_properties_(false), |
86 num_dependents_need_push_properties_(0), | 86 num_dependents_need_push_properties_(0), |
87 sorting_context_id_(0), | 87 sorting_context_id_(0), |
88 current_draw_mode_(DRAW_MODE_NONE), | 88 current_draw_mode_(DRAW_MODE_NONE), |
89 element_id_(0), | 89 element_id_(0), |
90 mutable_properties_(kMutablePropertyNone), | 90 mutable_properties_(kMutablePropertyNone), |
91 force_render_surface_(false), | |
92 num_layer_or_descendants_with_copy_request_(0), | 91 num_layer_or_descendants_with_copy_request_(0), |
93 frame_timing_requests_dirty_(false), | 92 frame_timing_requests_dirty_(false), |
94 visited_(false), | 93 visited_(false), |
95 layer_or_descendant_is_drawn_(false), | 94 layer_or_descendant_is_drawn_(false), |
96 layer_or_descendant_has_input_handler_(false), | 95 layer_or_descendant_has_input_handler_(false), |
97 sorted_for_recursion_(false) { | 96 sorted_for_recursion_(false) { |
98 DCHECK_GT(layer_id_, 0); | 97 DCHECK_GT(layer_id_, 0); |
99 DCHECK(layer_tree_impl_); | 98 DCHECK(layer_tree_impl_); |
100 layer_tree_impl_->RegisterLayer(this); | 99 layer_tree_impl_->RegisterLayer(this); |
101 | 100 |
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274 // handle preserving these output requests (and their surface). | 273 // handle preserving these output requests (and their surface). |
275 if (!copy_requests_.empty()) { | 274 if (!copy_requests_.empty()) { |
276 layer_tree_impl()->RemoveLayerWithCopyOutputRequest(this); | 275 layer_tree_impl()->RemoveLayerWithCopyOutputRequest(this); |
277 // Destroying these will abort them. | 276 // Destroying these will abort them. |
278 copy_requests_.clear(); | 277 copy_requests_.clear(); |
279 } | 278 } |
280 | 279 |
281 if (requests->empty()) | 280 if (requests->empty()) |
282 return; | 281 return; |
283 | 282 |
| 283 DCHECK(render_surface()); |
284 bool was_empty = copy_requests_.empty(); | 284 bool was_empty = copy_requests_.empty(); |
285 for (auto& request : *requests) | 285 for (auto& request : *requests) |
286 copy_requests_.push_back(std::move(request)); | 286 copy_requests_.push_back(std::move(request)); |
287 requests->clear(); | 287 requests->clear(); |
288 | 288 |
289 if (was_empty && layer_tree_impl()->IsActiveTree()) | 289 if (was_empty && layer_tree_impl()->IsActiveTree()) |
290 layer_tree_impl()->AddLayerWithCopyOutputRequest(this); | 290 layer_tree_impl()->AddLayerWithCopyOutputRequest(this); |
291 NoteLayerPropertyChangedForSubtree(); | 291 NoteLayerPropertyChangedForSubtree(); |
292 } | 292 } |
293 | 293 |
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567 } | 567 } |
568 | 568 |
569 void LayerImpl::PushPropertiesTo(LayerImpl* layer) { | 569 void LayerImpl::PushPropertiesTo(LayerImpl* layer) { |
570 layer->SetTransformOrigin(transform_origin_); | 570 layer->SetTransformOrigin(transform_origin_); |
571 layer->SetBackgroundColor(background_color_); | 571 layer->SetBackgroundColor(background_color_); |
572 layer->SetBounds(bounds_); | 572 layer->SetBounds(bounds_); |
573 layer->SetDoubleSided(double_sided_); | 573 layer->SetDoubleSided(double_sided_); |
574 layer->SetDrawsContent(DrawsContent()); | 574 layer->SetDrawsContent(DrawsContent()); |
575 layer->SetHideLayerAndSubtree(hide_layer_and_subtree_); | 575 layer->SetHideLayerAndSubtree(hide_layer_and_subtree_); |
576 layer->SetHasRenderSurface(!!render_surface()); | 576 layer->SetHasRenderSurface(!!render_surface()); |
577 layer->SetForceRenderSurface(force_render_surface_); | |
578 layer->SetFilters(filters()); | 577 layer->SetFilters(filters()); |
579 layer->SetBackgroundFilters(background_filters()); | 578 layer->SetBackgroundFilters(background_filters()); |
580 layer->SetMasksToBounds(masks_to_bounds_); | 579 layer->SetMasksToBounds(masks_to_bounds_); |
581 layer->SetShouldScrollOnMainThread(should_scroll_on_main_thread_); | 580 layer->SetShouldScrollOnMainThread(should_scroll_on_main_thread_); |
582 layer->SetHaveWheelEventHandlers(have_wheel_event_handlers_); | 581 layer->SetHaveWheelEventHandlers(have_wheel_event_handlers_); |
583 layer->SetHaveScrollEventHandlers(have_scroll_event_handlers_); | 582 layer->SetHaveScrollEventHandlers(have_scroll_event_handlers_); |
584 layer->SetScrollBlocksOn(scroll_blocks_on_); | 583 layer->SetScrollBlocksOn(scroll_blocks_on_); |
585 layer->SetNonFastScrollableRegion(non_fast_scrollable_region_); | 584 layer->SetNonFastScrollableRegion(non_fast_scrollable_region_); |
586 layer->SetTouchEventHandlerRegion(touch_event_handler_region_); | 585 layer->SetTouchEventHandlerRegion(touch_event_handler_region_); |
587 layer->SetContentsOpaque(contents_opaque_); | 586 layer->SetContentsOpaque(contents_opaque_); |
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1349 if (!layer_animation_controller_) | 1348 if (!layer_animation_controller_) |
1350 return layer_tree_impl_->HasOnlyTranslationTransforms(this); | 1349 return layer_tree_impl_->HasOnlyTranslationTransforms(this); |
1351 | 1350 |
1352 LayerAnimationController::ObserverType observer_type = | 1351 LayerAnimationController::ObserverType observer_type = |
1353 IsActive() ? LayerAnimationController::ObserverType::ACTIVE | 1352 IsActive() ? LayerAnimationController::ObserverType::ACTIVE |
1354 : LayerAnimationController::ObserverType::PENDING; | 1353 : LayerAnimationController::ObserverType::PENDING; |
1355 return layer_animation_controller_->HasOnlyTranslationTransforms( | 1354 return layer_animation_controller_->HasOnlyTranslationTransforms( |
1356 observer_type); | 1355 observer_type); |
1357 } | 1356 } |
1358 | 1357 |
1359 bool LayerImpl::AnimationsPreserveAxisAlignment() const { | |
1360 return layer_animation_controller_ | |
1361 ? layer_animation_controller_->AnimationsPreserveAxisAlignment() | |
1362 : layer_tree_impl_->AnimationsPreserveAxisAlignment(this); | |
1363 } | |
1364 | |
1365 bool LayerImpl::MaximumTargetScale(float* max_scale) const { | 1358 bool LayerImpl::MaximumTargetScale(float* max_scale) const { |
1366 if (!layer_animation_controller_) | 1359 if (!layer_animation_controller_) |
1367 return layer_tree_impl_->MaximumTargetScale(this, max_scale); | 1360 return layer_tree_impl_->MaximumTargetScale(this, max_scale); |
1368 | 1361 |
1369 LayerAnimationController::ObserverType observer_type = | 1362 LayerAnimationController::ObserverType observer_type = |
1370 IsActive() ? LayerAnimationController::ObserverType::ACTIVE | 1363 IsActive() ? LayerAnimationController::ObserverType::ACTIVE |
1371 : LayerAnimationController::ObserverType::PENDING; | 1364 : LayerAnimationController::ObserverType::PENDING; |
1372 return layer_animation_controller_->MaximumTargetScale(observer_type, | 1365 return layer_animation_controller_->MaximumTargetScale(observer_type, |
1373 max_scale); | 1366 max_scale); |
1374 } | 1367 } |
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1799 int group) { | 1792 int group) { |
1800 if (target_property == Animation::SCROLL_OFFSET) | 1793 if (target_property == Animation::SCROLL_OFFSET) |
1801 layer_tree_impl_->InputScrollAnimationFinished(); | 1794 layer_tree_impl_->InputScrollAnimationFinished(); |
1802 } | 1795 } |
1803 | 1796 |
1804 void LayerImpl::SetHasRenderSurface(bool should_have_render_surface) { | 1797 void LayerImpl::SetHasRenderSurface(bool should_have_render_surface) { |
1805 if (!!render_surface() == should_have_render_surface) | 1798 if (!!render_surface() == should_have_render_surface) |
1806 return; | 1799 return; |
1807 | 1800 |
1808 SetNeedsPushProperties(); | 1801 SetNeedsPushProperties(); |
| 1802 layer_tree_impl()->set_needs_update_draw_properties(); |
1809 if (should_have_render_surface) { | 1803 if (should_have_render_surface) { |
1810 render_surface_ = make_scoped_ptr(new RenderSurfaceImpl(this)); | 1804 render_surface_ = make_scoped_ptr(new RenderSurfaceImpl(this)); |
1811 return; | 1805 return; |
1812 } | 1806 } |
1813 render_surface_.reset(); | 1807 render_surface_.reset(); |
1814 } | 1808 } |
1815 | 1809 |
1816 gfx::Transform LayerImpl::DrawTransform() const { | 1810 gfx::Transform LayerImpl::DrawTransform() const { |
1817 // Only drawn layers have up-to-date draw properties when property trees are | 1811 // Only drawn layers have up-to-date draw properties when property trees are |
1818 // enabled. | 1812 // enabled. |
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1835 // enabled. | 1829 // enabled. |
1836 if (layer_tree_impl()->settings().use_property_trees && | 1830 if (layer_tree_impl()->settings().use_property_trees && |
1837 !IsDrawnRenderSurfaceLayerListMember()) { | 1831 !IsDrawnRenderSurfaceLayerListMember()) { |
1838 return ScreenSpaceTransformFromPropertyTrees( | 1832 return ScreenSpaceTransformFromPropertyTrees( |
1839 this, layer_tree_impl()->property_trees()->transform_tree); | 1833 this, layer_tree_impl()->property_trees()->transform_tree); |
1840 } | 1834 } |
1841 | 1835 |
1842 return draw_properties().screen_space_transform; | 1836 return draw_properties().screen_space_transform; |
1843 } | 1837 } |
1844 | 1838 |
1845 void LayerImpl::SetForceRenderSurface(bool force_render_surface) { | |
1846 if (force_render_surface == force_render_surface_) | |
1847 return; | |
1848 | |
1849 force_render_surface_ = force_render_surface; | |
1850 NoteLayerPropertyChanged(); | |
1851 } | |
1852 | |
1853 Region LayerImpl::GetInvalidationRegion() { | 1839 Region LayerImpl::GetInvalidationRegion() { |
1854 return Region(update_rect_); | 1840 return Region(update_rect_); |
1855 } | 1841 } |
1856 | 1842 |
1857 gfx::Rect LayerImpl::GetEnclosingRectInTargetSpace() const { | 1843 gfx::Rect LayerImpl::GetEnclosingRectInTargetSpace() const { |
1858 return MathUtil::MapEnclosingClippedRect(DrawTransform(), | 1844 return MathUtil::MapEnclosingClippedRect(DrawTransform(), |
1859 gfx::Rect(bounds())); | 1845 gfx::Rect(bounds())); |
1860 } | 1846 } |
1861 | 1847 |
1862 gfx::Rect LayerImpl::GetScaledEnclosingRectInTargetSpace(float scale) const { | 1848 gfx::Rect LayerImpl::GetScaledEnclosingRectInTargetSpace(float scale) const { |
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1879 .layer_transforms_should_scale_layer_contents) { | 1865 .layer_transforms_should_scale_layer_contents) { |
1880 return default_scale; | 1866 return default_scale; |
1881 } | 1867 } |
1882 | 1868 |
1883 gfx::Vector2dF transform_scales = MathUtil::ComputeTransform2dScaleComponents( | 1869 gfx::Vector2dF transform_scales = MathUtil::ComputeTransform2dScaleComponents( |
1884 DrawTransform(), default_scale); | 1870 DrawTransform(), default_scale); |
1885 return std::max(transform_scales.x(), transform_scales.y()); | 1871 return std::max(transform_scales.x(), transform_scales.y()); |
1886 } | 1872 } |
1887 | 1873 |
1888 } // namespace cc | 1874 } // namespace cc |
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