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// 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 <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),
allow_antialiasing(true),
throttle_frame_production(true),
begin_impl_frame_scheduling_enabled(false),
deadline_scheduling_enabled(true),
using_synchronous_renderer_compositor(false),
per_tile_painting_enabled(false),
partial_swap_enabled(false),
accelerated_animation_enabled(true),
background_color_instead_of_checkerboard(false),
show_overdraw_in_tracing(false),
can_use_lcd_text(true),
should_clear_root_render_pass(true),
gpu_rasterization(false),
scrollbar_animator(NoAnimator),
scrollbar_linear_fade_delay_ms(300),
scrollbar_linear_fade_length_ms(300),
solid_color_scrollbar_color(SK_ColorWHITE),
calculate_top_controls_position(false),
use_memory_management(true),
timeout_and_draw_when_animation_checkerboards(true),
maximum_number_of_failed_draws_before_draw_is_forced_(3),
layer_transforms_should_scale_layer_contents(false),
minimum_contents_scale(0.0625f),
low_res_contents_scale_factor(0.25f),
top_controls_height(0.f),
top_controls_show_threshold(0.5f),
top_controls_hide_threshold(0.5f),
refresh_rate(60.0),
max_partial_texture_updates(std::numeric_limits<size_t>::max()),
num_raster_threads(1),
default_tile_size(gfx::Size(256, 256)),
max_untiled_layer_size(gfx::Size(512, 512)),
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),
max_unused_resource_memory_percentage(100),
highp_threshold_min(0),
strict_layer_property_change_checking(false),
use_map_image(false),
ignore_root_layer_flings(false),
use_rgba_4444_textures(false),
always_overscroll(false),
touch_hit_testing(true),
texture_id_allocation_chunk_size(64) {
}
LayerTreeSettings::~LayerTreeSettings() {}
} // namespace cc
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