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      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
      3 // found in the LICENSE file.
      4 
      5 #include "cc/debug/layer_tree_debug_state.h"
      6 
      7 #include "base/logging.h"
      8 
      9 namespace cc {
     10 
     11 // IMPORTANT: new fields must be added to Equal() and Unite()
     12 LayerTreeDebugState::LayerTreeDebugState()
     13     : show_fps_counter(false),
     14       show_debug_borders(false),
     15       continuous_painting(false),
     16       show_paint_rects(false),
     17       show_property_changed_rects(false),
     18       show_surface_damage_rects(false),
     19       show_screen_space_rects(false),
     20       show_replica_screen_space_rects(false),
     21       show_occluding_rects(false),
     22       show_non_occluding_rects(false),
     23       show_touch_event_handler_rects(false),
     24       show_wheel_event_handler_rects(false),
     25       show_non_fast_scrollable_rects(false),
     26       show_layer_animation_bounds_rects(false),
     27       slow_down_raster_scale_factor(0),
     28       rasterize_only_visible_content(false),
     29       show_picture_borders(false),
     30       record_rendering_stats_(false) {}
     31 
     32 LayerTreeDebugState::~LayerTreeDebugState() {}
     33 
     34 void LayerTreeDebugState::SetRecordRenderingStats(bool enabled) {
     35   record_rendering_stats_ = enabled;
     36 }
     37 
     38 bool LayerTreeDebugState::RecordRenderingStats() const {
     39   return record_rendering_stats_ || continuous_painting;
     40 }
     41 
     42 bool LayerTreeDebugState::ShowHudInfo() const {
     43   return show_fps_counter || continuous_painting ||
     44          ShowHudRects();
     45 }
     46 
     47 bool LayerTreeDebugState::ShowHudRects() const {
     48   return show_paint_rects || show_property_changed_rects ||
     49          show_surface_damage_rects || show_screen_space_rects ||
     50          show_replica_screen_space_rects || show_occluding_rects ||
     51          show_non_occluding_rects || show_touch_event_handler_rects ||
     52          show_wheel_event_handler_rects || show_non_fast_scrollable_rects ||
     53          show_layer_animation_bounds_rects;
     54 }
     55 
     56 bool LayerTreeDebugState::ShowMemoryStats() const {
     57   return show_fps_counter || continuous_painting;
     58 }
     59 
     60 bool LayerTreeDebugState::Equal(const LayerTreeDebugState& a,
     61                                 const LayerTreeDebugState& b) {
     62   return (a.show_fps_counter == b.show_fps_counter &&
     63           a.show_debug_borders == b.show_debug_borders &&
     64           a.continuous_painting == b.continuous_painting &&
     65           a.show_paint_rects == b.show_paint_rects &&
     66           a.show_property_changed_rects == b.show_property_changed_rects &&
     67           a.show_surface_damage_rects == b.show_surface_damage_rects &&
     68           a.show_screen_space_rects == b.show_screen_space_rects &&
     69           a.show_replica_screen_space_rects ==
     70           b.show_replica_screen_space_rects &&
     71           a.show_occluding_rects == b.show_occluding_rects &&
     72           a.show_non_occluding_rects == b.show_non_occluding_rects &&
     73           a.show_touch_event_handler_rects ==
     74           b.show_touch_event_handler_rects &&
     75           a.show_wheel_event_handler_rects ==
     76           b.show_wheel_event_handler_rects &&
     77           a.show_non_fast_scrollable_rects ==
     78           b.show_non_fast_scrollable_rects &&
     79           a.show_layer_animation_bounds_rects ==
     80           b.show_layer_animation_bounds_rects &&
     81           a.slow_down_raster_scale_factor == b.slow_down_raster_scale_factor &&
     82           a.rasterize_only_visible_content ==
     83           b.rasterize_only_visible_content &&
     84           a.show_picture_borders == b.show_picture_borders &&
     85           a.record_rendering_stats_ == b.record_rendering_stats_);
     86 }
     87 
     88 LayerTreeDebugState LayerTreeDebugState::Unite(const LayerTreeDebugState& a,
     89                                                const LayerTreeDebugState& b) {
     90   LayerTreeDebugState r(a);
     91 
     92   r.show_fps_counter |= b.show_fps_counter;
     93   r.show_debug_borders |= b.show_debug_borders;
     94   r.continuous_painting |= b.continuous_painting;
     95 
     96   r.show_paint_rects |= b.show_paint_rects;
     97   r.show_property_changed_rects |= b.show_property_changed_rects;
     98   r.show_surface_damage_rects |= b.show_surface_damage_rects;
     99   r.show_screen_space_rects |= b.show_screen_space_rects;
    100   r.show_replica_screen_space_rects |= b.show_replica_screen_space_rects;
    101   r.show_occluding_rects |= b.show_occluding_rects;
    102   r.show_non_occluding_rects |= b.show_non_occluding_rects;
    103   r.show_touch_event_handler_rects |= b.show_touch_event_handler_rects;
    104   r.show_wheel_event_handler_rects |= b.show_wheel_event_handler_rects;
    105   r.show_non_fast_scrollable_rects |= b.show_non_fast_scrollable_rects;
    106   r.show_layer_animation_bounds_rects |= b.show_layer_animation_bounds_rects;
    107 
    108   if (b.slow_down_raster_scale_factor)
    109     r.slow_down_raster_scale_factor = b.slow_down_raster_scale_factor;
    110   r.rasterize_only_visible_content |= b.rasterize_only_visible_content;
    111   r.show_picture_borders |= b.show_picture_borders;
    112 
    113   r.record_rendering_stats_ |= b.record_rendering_stats_;
    114 
    115   return r;
    116 }
    117 
    118 }  // namespace cc
    119