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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       slow_down_raster_scale_factor(0),
     27       rasterize_only_visible_content(false),
     28       show_picture_borders(false),
     29       record_rendering_stats_(false) {}
     30 
     31 LayerTreeDebugState::~LayerTreeDebugState() {}
     32 
     33 void LayerTreeDebugState::SetRecordRenderingStats(bool enabled) {
     34   record_rendering_stats_ = enabled;
     35 }
     36 
     37 bool LayerTreeDebugState::RecordRenderingStats() const {
     38   return record_rendering_stats_ || continuous_painting;
     39 }
     40 
     41 bool LayerTreeDebugState::ShowHudInfo() const {
     42   return show_fps_counter || continuous_painting ||
     43          ShowHudRects();
     44 }
     45 
     46 bool LayerTreeDebugState::ShowHudRects() const {
     47   return show_paint_rects || show_property_changed_rects ||
     48          show_surface_damage_rects || show_screen_space_rects ||
     49          show_replica_screen_space_rects || show_occluding_rects ||
     50          show_non_occluding_rects || show_touch_event_handler_rects ||
     51          show_wheel_event_handler_rects || show_non_fast_scrollable_rects;
     52 }
     53 
     54 bool LayerTreeDebugState::ShowMemoryStats() const {
     55   return show_fps_counter || continuous_painting;
     56 }
     57 
     58 bool LayerTreeDebugState::Equal(const LayerTreeDebugState& a,
     59                                 const LayerTreeDebugState& b) {
     60   return (a.show_fps_counter == b.show_fps_counter &&
     61           a.show_debug_borders == b.show_debug_borders &&
     62           a.continuous_painting == b.continuous_painting &&
     63           a.show_paint_rects == b.show_paint_rects &&
     64           a.show_property_changed_rects == b.show_property_changed_rects &&
     65           a.show_surface_damage_rects == b.show_surface_damage_rects &&
     66           a.show_screen_space_rects == b.show_screen_space_rects &&
     67           a.show_replica_screen_space_rects ==
     68           b.show_replica_screen_space_rects &&
     69           a.show_occluding_rects == b.show_occluding_rects &&
     70           a.show_non_occluding_rects == b.show_non_occluding_rects &&
     71           a.show_touch_event_handler_rects ==
     72           b.show_touch_event_handler_rects &&
     73           a.show_wheel_event_handler_rects ==
     74           b.show_wheel_event_handler_rects &&
     75           a.show_non_fast_scrollable_rects ==
     76           b.show_non_fast_scrollable_rects &&
     77           a.slow_down_raster_scale_factor == b.slow_down_raster_scale_factor &&
     78           a.rasterize_only_visible_content ==
     79           b.rasterize_only_visible_content &&
     80           a.show_picture_borders == b.show_picture_borders &&
     81           a.record_rendering_stats_ == b.record_rendering_stats_);
     82 }
     83 
     84 LayerTreeDebugState LayerTreeDebugState::Unite(const LayerTreeDebugState& a,
     85                                                const LayerTreeDebugState& b) {
     86   LayerTreeDebugState r(a);
     87 
     88   r.show_fps_counter |= b.show_fps_counter;
     89   r.show_debug_borders |= b.show_debug_borders;
     90   r.continuous_painting |= b.continuous_painting;
     91 
     92   r.show_paint_rects |= b.show_paint_rects;
     93   r.show_property_changed_rects |= b.show_property_changed_rects;
     94   r.show_surface_damage_rects |= b.show_surface_damage_rects;
     95   r.show_screen_space_rects |= b.show_screen_space_rects;
     96   r.show_replica_screen_space_rects |= b.show_replica_screen_space_rects;
     97   r.show_occluding_rects |= b.show_occluding_rects;
     98   r.show_non_occluding_rects |= b.show_non_occluding_rects;
     99   r.show_touch_event_handler_rects |= b.show_touch_event_handler_rects;
    100   r.show_wheel_event_handler_rects |= b.show_wheel_event_handler_rects;
    101   r.show_non_fast_scrollable_rects |= b.show_non_fast_scrollable_rects;
    102 
    103   if (b.slow_down_raster_scale_factor)
    104     r.slow_down_raster_scale_factor = b.slow_down_raster_scale_factor;
    105   r.rasterize_only_visible_content |= b.rasterize_only_visible_content;
    106   r.show_picture_borders |= b.show_picture_borders;
    107 
    108   r.record_rendering_stats_ |= b.record_rendering_stats_;
    109 
    110   return r;
    111 }
    112 
    113 }  // namespace cc
    114