layer_tree_settings.h revision a1401311d1ab56c4ed0a474bd38c108f75cb0cd9 
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
14namespace cc {
15
16class 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 main_frame_before_draw_enabled;
26  bool main_frame_before_activation_enabled;
27  bool using_synchronous_renderer_compositor;
28  bool per_tile_painting_enabled;
29  bool partial_swap_enabled;
30  bool accelerated_animation_enabled;
31  bool can_use_lcd_text;
32  bool should_clear_root_render_pass;
33  enum RasterizationSite {
34    CpuRasterization,
35    HybridRasterization,
36    GpuRasterization,
37  };
38  RasterizationSite rasterization_site;
39
40  enum ScrollbarAnimator {
41    NoAnimator,
42    LinearFade,
43    Thinning,
44  };
45  ScrollbarAnimator scrollbar_animator;
46  int scrollbar_linear_fade_delay_ms;
47  int scrollbar_linear_fade_length_ms;
48  SkColor solid_color_scrollbar_color;
49  bool calculate_top_controls_position;
50  bool use_memory_management;
51  bool timeout_and_draw_when_animation_checkerboards;
52  int maximum_number_of_failed_draws_before_draw_is_forced_;
53  bool layer_transforms_should_scale_layer_contents;
54  float minimum_contents_scale;
55  float low_res_contents_scale_factor;
56  float top_controls_height;
57  float top_controls_show_threshold;
58  float top_controls_hide_threshold;
59  double refresh_rate;
60  size_t max_partial_texture_updates;
61  gfx::Size default_tile_size;
62  gfx::Size max_untiled_layer_size;
63  gfx::Size minimum_occlusion_tracking_size;
64  bool use_pinch_zoom_scrollbars;
65  bool use_pinch_virtual_viewport;
66  size_t max_tiles_for_interest_area;
67  float skewport_target_time_in_seconds;
68  int skewport_extrapolation_limit_in_content_pixels;
69  size_t max_unused_resource_memory_percentage;
70  size_t max_memory_for_prepaint_percentage;
71  int highp_threshold_min;
72  bool strict_layer_property_change_checking;
73  bool use_map_image;
74  bool ignore_root_layer_flings;
75  bool use_rgba_4444_textures;
76  bool touch_hit_testing;
77  size_t texture_id_allocation_chunk_size;
78
79  LayerTreeDebugState initial_debug_state;
80};
81
82}  // namespace cc
83
84#endif  // CC_TREES_LAYER_TREE_SETTINGS_H_
85