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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 #ifndef CC_TREES_LAYER_TREE_SETTINGS_H_
      6 #define CC_TREES_LAYER_TREE_SETTINGS_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "cc/base/cc_export.h"
     10 #include "cc/debug/layer_tree_debug_state.h"
     11 #include "third_party/skia/include/core/SkColor.h"
     12 #include "ui/gfx/size.h"
     13 
     14 namespace cc {
     15 
     16 class CC_EXPORT LayerTreeSettings {
     17  public:
     18   LayerTreeSettings();
     19   ~LayerTreeSettings();
     20 
     21   bool impl_side_painting;
     22   bool allow_antialiasing;
     23   bool throttle_frame_production;
     24   bool begin_impl_frame_scheduling_enabled;
     25   bool deadline_scheduling_enabled;
     26   bool using_synchronous_renderer_compositor;
     27   bool per_tile_painting_enabled;
     28   bool partial_swap_enabled;
     29   bool accelerated_animation_enabled;
     30   bool background_color_instead_of_checkerboard;
     31   bool show_overdraw_in_tracing;
     32   bool can_use_lcd_text;
     33   bool should_clear_root_render_pass;
     34   bool gpu_rasterization;
     35 
     36   enum ScrollbarAnimator {
     37     NoAnimator,
     38     LinearFade,
     39     Thinning,
     40   };
     41   ScrollbarAnimator scrollbar_animator;
     42   int scrollbar_linear_fade_delay_ms;
     43   int scrollbar_linear_fade_length_ms;
     44   SkColor solid_color_scrollbar_color;
     45   bool calculate_top_controls_position;
     46   bool use_memory_management;
     47   bool timeout_and_draw_when_animation_checkerboards;
     48   int maximum_number_of_failed_draws_before_draw_is_forced_;
     49   bool layer_transforms_should_scale_layer_contents;
     50   float minimum_contents_scale;
     51   float low_res_contents_scale_factor;
     52   float top_controls_height;
     53   float top_controls_show_threshold;
     54   float top_controls_hide_threshold;
     55   double refresh_rate;
     56   size_t max_partial_texture_updates;
     57   size_t num_raster_threads;
     58   gfx::Size default_tile_size;
     59   gfx::Size max_untiled_layer_size;
     60   gfx::Size minimum_occlusion_tracking_size;
     61   bool use_pinch_zoom_scrollbars;
     62   bool use_pinch_virtual_viewport;
     63   size_t max_tiles_for_interest_area;
     64   size_t max_unused_resource_memory_percentage;
     65   int highp_threshold_min;
     66   bool strict_layer_property_change_checking;
     67   bool use_map_image;
     68   bool ignore_root_layer_flings;
     69   bool use_rgba_4444_textures;
     70   bool always_overscroll;
     71   bool touch_hit_testing;
     72   size_t texture_id_allocation_chunk_size;
     73 
     74   LayerTreeDebugState initial_debug_state;
     75 };
     76 
     77 }  // namespace cc
     78 
     79 #endif  // CC_TREES_LAYER_TREE_SETTINGS_H_
     80