blob: 508e7ea68dec349670a6abb4c8dad2c6a32808ed [file] [log] [blame]
// Copyright 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/trees/layer_tree_settings.h"
#include <GLES2/gl2.h>
#include <limits>
#include "base/command_line.h"
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
namespace cc {
LayerTreeSettings::LayerTreeSettings()
: impl_side_painting(false),
throttle_frame_production(true),
single_thread_proxy_scheduler(true),
use_external_begin_frame_source(false),
forward_begin_frames_to_children(false),
main_frame_before_activation_enabled(false),
using_synchronous_renderer_compositor(false),
disable_hi_res_timer_tasks_on_battery(false),
report_overscroll_only_for_scrollable_axes(false),
per_tile_painting_enabled(false),
accelerated_animation_enabled(true),
can_use_lcd_text(true),
use_distance_field_text(false),
gpu_rasterization_enabled(false),
gpu_rasterization_forced(false),
create_low_res_tiling(false),
scrollbar_animator(NoAnimator),
scrollbar_fade_delay_ms(0),
scrollbar_fade_resize_delay_ms(0),
scrollbar_fade_duration_ms(0),
solid_color_scrollbar_color(SK_ColorWHITE),
calculate_top_controls_position(false),
timeout_and_draw_when_animation_checkerboards(true),
maximum_number_of_failed_draws_before_draw_is_forced_(3),
layer_transforms_should_scale_layer_contents(false),
layers_always_allowed_lcd_text(false),
minimum_contents_scale(0.0625f),
low_res_contents_scale_factor(0.25f),
top_controls_show_threshold(0.5f),
top_controls_hide_threshold(0.5f),
background_animation_rate(1.0),
max_partial_texture_updates(std::numeric_limits<size_t>::max()),
default_tile_size(gfx::Size(256, 256)),
max_untiled_layer_size(gfx::Size(512, 512)),
default_tile_grid_size(gfx::Size(256, 256)),
minimum_occlusion_tracking_size(gfx::Size(160, 160)),
use_pinch_zoom_scrollbars(false),
use_pinch_virtual_viewport(false),
// At 256x256 tiles, 128 tiles cover an area of 2048x4096 pixels.
max_tiles_for_interest_area(128),
skewport_target_time_multiplier(1.0f),
skewport_extrapolation_limit_in_content_pixels(2000),
max_unused_resource_memory_percentage(100),
max_memory_for_prepaint_percentage(100),
strict_layer_property_change_checking(false),
use_one_copy(false),
use_zero_copy(false),
use_image_texture_target(GL_TEXTURE_2D),
ignore_root_layer_flings(false),
scheduled_raster_task_limit(32),
use_occlusion_for_tile_prioritization(false),
record_full_layer(false),
use_display_lists(false) {
}
LayerTreeSettings::~LayerTreeSettings() {}
} // namespace cc