blob: 5d03f8e9d9f827a5df1bdecd285a2b2591f872a8 [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 <limits>
#include "base/command_line.h"
#include "base/logging.h"
#include "base/string_number_conversions.h"
namespace cc {
LayerTreeSettings::LayerTreeSettings()
: accelerate_painting(false),
compositor_frame_message(false),
impl_side_painting(false),
render_vsync_enabled(true),
render_vsync_notification_enabled(false),
synchronously_disable_vsync(false),
per_tile_painting_enabled(false),
partial_swap_enabled(false),
cache_render_pass_contents(true),
right_aligned_scheduling_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),
use_linear_fade_scrollbar_animator(false),
solid_color_scrollbars(false),
solid_color_scrollbar_color(SK_ColorWHITE),
solid_color_scrollbar_thickness_dip(-1),
calculate_top_controls_position(false),
use_color_estimator(false),
use_memory_management(true),
timeout_and_draw_when_animation_checkerboards(true),
layer_transforms_should_scale_layer_contents(false),
minimum_contents_scale(0.0625f),
low_res_contents_scale_factor(0.125f),
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),
force_direct_layer_drawing(false),
strict_layer_property_change_checking(false),
use_map_image(false) {
// TODO(danakj): Renable surface caching when we can do it more realiably.
// crbug.com/170713
cache_render_pass_contents = false;
}
LayerTreeSettings::~LayerTreeSettings() {}
} // namespace cc