| // Copyright 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/debug/debug_rect_history.h" |
| |
| #include "cc/base/math_util.h" |
| #include "cc/layers/layer_impl.h" |
| #include "cc/layers/render_surface_impl.h" |
| #include "cc/trees/damage_tracker.h" |
| #include "cc/trees/layer_tree_host.h" |
| #include "cc/trees/layer_tree_host_common.h" |
| |
| namespace cc { |
| |
| // static |
| scoped_ptr<DebugRectHistory> DebugRectHistory::Create() { |
| return make_scoped_ptr(new DebugRectHistory()); |
| } |
| |
| DebugRectHistory::DebugRectHistory() {} |
| |
| DebugRectHistory::~DebugRectHistory() {} |
| |
| void DebugRectHistory::SaveDebugRectsForCurrentFrame( |
| LayerImpl* root_layer, |
| const LayerImplList& render_surface_layer_list, |
| const std::vector<gfx::Rect>& occluding_screen_space_rects, |
| const std::vector<gfx::Rect>& non_occluding_screen_space_rects, |
| const LayerTreeDebugState& debug_state) { |
| // For now, clear all rects from previous frames. In the future we may want to |
| // store all debug rects for a history of many frames. |
| debug_rects_.clear(); |
| |
| if (debug_state.show_touch_event_handler_rects) |
| SaveTouchEventHandlerRects(root_layer); |
| |
| if (debug_state.show_wheel_event_handler_rects) |
| SaveWheelEventHandlerRects(root_layer); |
| |
| if (debug_state.show_non_fast_scrollable_rects) |
| SaveNonFastScrollableRects(root_layer); |
| |
| if (debug_state.show_paint_rects) |
| SavePaintRects(root_layer); |
| |
| if (debug_state.show_property_changed_rects) |
| SavePropertyChangedRects(render_surface_layer_list); |
| |
| if (debug_state.show_surface_damage_rects) |
| SaveSurfaceDamageRects(render_surface_layer_list); |
| |
| if (debug_state.show_screen_space_rects) |
| SaveScreenSpaceRects(render_surface_layer_list); |
| |
| if (debug_state.show_occluding_rects) |
| SaveOccludingRects(occluding_screen_space_rects); |
| |
| if (debug_state.show_non_occluding_rects) |
| SaveNonOccludingRects(non_occluding_screen_space_rects); |
| |
| if (debug_state.show_layer_animation_bounds_rects) |
| SaveLayerAnimationBoundsRects(render_surface_layer_list); |
| } |
| |
| void DebugRectHistory::SavePaintRects(LayerImpl* layer) { |
| // We would like to visualize where any layer's paint rect (update rect) has |
| // changed, regardless of whether this layer is skipped for actual drawing or |
| // not. Therefore we traverse recursively over all layers, not just the render |
| // surface list. |
| |
| if (!layer->update_rect().IsEmpty() && layer->DrawsContent()) { |
| float width_scale = layer->content_bounds().width() / |
| static_cast<float>(layer->bounds().width()); |
| float height_scale = layer->content_bounds().height() / |
| static_cast<float>(layer->bounds().height()); |
| gfx::RectF update_content_rect = |
| gfx::ScaleRect(layer->update_rect(), width_scale, height_scale); |
| debug_rects_.push_back( |
| DebugRect(PAINT_RECT_TYPE, |
| MathUtil::MapClippedRect(layer->screen_space_transform(), |
| update_content_rect))); |
| } |
| |
| for (unsigned i = 0; i < layer->children().size(); ++i) |
| SavePaintRects(layer->children()[i]); |
| } |
| |
| void DebugRectHistory::SavePropertyChangedRects( |
| const LayerImplList& render_surface_layer_list) { |
| for (int surface_index = render_surface_layer_list.size() - 1; |
| surface_index >= 0; |
| --surface_index) { |
| LayerImpl* render_surface_layer = render_surface_layer_list[surface_index]; |
| RenderSurfaceImpl* render_surface = render_surface_layer->render_surface(); |
| DCHECK(render_surface); |
| |
| const LayerImplList& layer_list = render_surface->layer_list(); |
| for (unsigned layer_index = 0; |
| layer_index < layer_list.size(); |
| ++layer_index) { |
| LayerImpl* layer = layer_list[layer_index]; |
| |
| if (LayerTreeHostCommon::RenderSurfaceContributesToTarget<LayerImpl>( |
| layer, render_surface_layer->id())) |
| continue; |
| |
| if (layer->LayerIsAlwaysDamaged()) |
| continue; |
| |
| if (layer->LayerPropertyChanged()) { |
| debug_rects_.push_back( |
| DebugRect(PROPERTY_CHANGED_RECT_TYPE, |
| MathUtil::MapClippedRect( |
| layer->screen_space_transform(), |
| gfx::RectF(gfx::PointF(), layer->content_bounds())))); |
| } |
| } |
| } |
| } |
| |
| void DebugRectHistory::SaveSurfaceDamageRects( |
| const LayerImplList& render_surface_layer_list) { |
| for (int surface_index = render_surface_layer_list.size() - 1; |
| surface_index >= 0; |
| --surface_index) { |
| LayerImpl* render_surface_layer = render_surface_layer_list[surface_index]; |
| RenderSurfaceImpl* render_surface = render_surface_layer->render_surface(); |
| DCHECK(render_surface); |
| |
| debug_rects_.push_back(DebugRect( |
| SURFACE_DAMAGE_RECT_TYPE, |
| MathUtil::MapClippedRect( |
| render_surface->screen_space_transform(), |
| render_surface->damage_tracker()->current_damage_rect()))); |
| } |
| } |
| |
| void DebugRectHistory::SaveScreenSpaceRects( |
| const LayerImplList& render_surface_layer_list) { |
| for (int surface_index = render_surface_layer_list.size() - 1; |
| surface_index >= 0; |
| --surface_index) { |
| LayerImpl* render_surface_layer = render_surface_layer_list[surface_index]; |
| RenderSurfaceImpl* render_surface = render_surface_layer->render_surface(); |
| DCHECK(render_surface); |
| |
| debug_rects_.push_back(DebugRect( |
| SCREEN_SPACE_RECT_TYPE, |
| MathUtil::MapClippedRect(render_surface->screen_space_transform(), |
| render_surface->content_rect()))); |
| |
| if (render_surface_layer->replica_layer()) { |
| debug_rects_.push_back( |
| DebugRect(REPLICA_SCREEN_SPACE_RECT_TYPE, |
| MathUtil::MapClippedRect( |
| render_surface->replica_screen_space_transform(), |
| render_surface->content_rect()))); |
| } |
| } |
| } |
| |
| void DebugRectHistory::SaveOccludingRects( |
| const std::vector<gfx::Rect>& occluding_rects) { |
| for (size_t i = 0; i < occluding_rects.size(); ++i) |
| debug_rects_.push_back(DebugRect(OCCLUDING_RECT_TYPE, occluding_rects[i])); |
| } |
| |
| void DebugRectHistory::SaveNonOccludingRects( |
| const std::vector<gfx::Rect>& non_occluding_rects) { |
| for (size_t i = 0; i < non_occluding_rects.size(); ++i) { |
| debug_rects_.push_back( |
| DebugRect(NONOCCLUDING_RECT_TYPE, non_occluding_rects[i])); |
| } |
| } |
| |
| void DebugRectHistory::SaveTouchEventHandlerRects(LayerImpl* layer) { |
| LayerTreeHostCommon::CallFunctionForSubtree<LayerImpl>( |
| layer, |
| base::Bind(&DebugRectHistory::SaveTouchEventHandlerRectsCallback, |
| base::Unretained(this))); |
| } |
| |
| void DebugRectHistory::SaveTouchEventHandlerRectsCallback(LayerImpl* layer) { |
| for (Region::Iterator iter(layer->touch_event_handler_region()); |
| iter.has_rect(); |
| iter.next()) { |
| gfx::RectF touch_rect = gfx::ScaleRect(iter.rect(), |
| layer->contents_scale_x(), |
| layer->contents_scale_y()); |
| debug_rects_.push_back(DebugRect(TOUCH_EVENT_HANDLER_RECT_TYPE, |
| MathUtil::MapClippedRect( |
| layer->screen_space_transform(), |
| touch_rect))); |
| } |
| } |
| |
| void DebugRectHistory::SaveWheelEventHandlerRects(LayerImpl* layer) { |
| LayerTreeHostCommon::CallFunctionForSubtree<LayerImpl>( |
| layer, |
| base::Bind(&DebugRectHistory::SaveWheelEventHandlerRectsCallback, |
| base::Unretained(this))); |
| } |
| |
| void DebugRectHistory::SaveWheelEventHandlerRectsCallback(LayerImpl* layer) { |
| if (!layer->have_wheel_event_handlers()) |
| return; |
| |
| gfx::RectF wheel_rect = gfx::RectF(layer->content_bounds()); |
| wheel_rect.Scale(layer->contents_scale_x(), layer->contents_scale_y()); |
| debug_rects_.push_back(DebugRect(WHEEL_EVENT_HANDLER_RECT_TYPE, |
| MathUtil::MapClippedRect( |
| layer->screen_space_transform(), |
| wheel_rect))); |
| } |
| |
| void DebugRectHistory::SaveNonFastScrollableRects(LayerImpl* layer) { |
| LayerTreeHostCommon::CallFunctionForSubtree<LayerImpl>( |
| layer, |
| base::Bind(&DebugRectHistory::SaveNonFastScrollableRectsCallback, |
| base::Unretained(this))); |
| } |
| |
| void DebugRectHistory::SaveNonFastScrollableRectsCallback(LayerImpl* layer) { |
| for (Region::Iterator iter(layer->non_fast_scrollable_region()); |
| iter.has_rect(); |
| iter.next()) { |
| gfx::RectF scroll_rect = gfx::ScaleRect(iter.rect(), |
| layer->contents_scale_x(), |
| layer->contents_scale_y()); |
| debug_rects_.push_back(DebugRect(NON_FAST_SCROLLABLE_RECT_TYPE, |
| MathUtil::MapClippedRect( |
| layer->screen_space_transform(), |
| scroll_rect))); |
| } |
| } |
| |
| void DebugRectHistory::SaveLayerAnimationBoundsRects( |
| const LayerImplList& render_surface_layer_list) { |
| typedef LayerIterator<LayerImpl, |
| LayerImplList, |
| RenderSurfaceImpl, |
| LayerIteratorActions::FrontToBack> LayerIteratorType; |
| LayerIteratorType end = LayerIteratorType::End(&render_surface_layer_list); |
| for (LayerIteratorType it = |
| LayerIteratorType::Begin(&render_surface_layer_list); |
| it != end; ++it) { |
| if (!it.represents_itself()) |
| continue; |
| gfx::BoxF inflated_bounds; |
| if (!(*it)->GetAnimationBounds(&inflated_bounds)) |
| continue; |
| |
| debug_rects_.push_back(DebugRect(ANIMATION_BOUNDS_RECT_TYPE, |
| gfx::RectF(inflated_bounds.x(), |
| inflated_bounds.y(), |
| inflated_bounds.width(), |
| inflated_bounds.height()))); |
| } |
| } |
| |
| } // namespace cc |
