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.
5 #ifndef CC_TREES_LAYER_TREE_SETTINGS_H_
6 #define CC_TREES_LAYER_TREE_SETTINGS_H_
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"
16 class CC_EXPORT LayerTreeSettings {
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;
36 enum ScrollbarAnimator {
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;
56 size_t max_partial_texture_updates;
57 gfx::Size default_tile_size;
58 gfx::Size max_untiled_layer_size;
59 gfx::Size minimum_occlusion_tracking_size;
60 bool use_pinch_zoom_scrollbars;
61 bool use_pinch_virtual_viewport;
62 size_t max_tiles_for_interest_area;
63 float skewport_target_time_in_seconds;
64 int skewport_extrapolation_limit_in_content_pixels;
65 size_t max_unused_resource_memory_percentage;
66 size_t max_memory_for_prepaint_percentage;
67 int highp_threshold_min;
68 bool strict_layer_property_change_checking;
70 bool ignore_root_layer_flings;
71 bool use_rgba_4444_textures;
72 bool touch_hit_testing;
73 size_t texture_id_allocation_chunk_size;
75 LayerTreeDebugState initial_debug_state;
80 #endif // CC_TREES_LAYER_TREE_SETTINGS_H_