| // 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), |
| raster_enabled(true), |
| throttle_frame_production(true), |
| single_thread_proxy_scheduler(true), |
| use_external_begin_frame_source(false), |
| main_frame_before_activation_enabled(false), |
| using_synchronous_renderer_compositor(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), |
| gpu_rasterization_msaa_sample_count(0), |
| gpu_rasterization_skewport_target_time_in_seconds(0.0f), |
| threaded_gpu_rasterization_enabled(false), |
| create_low_res_tiling(false), |
| scrollbar_animator(NO_ANIMATOR), |
| scrollbar_fade_delay_ms(0), |
| scrollbar_fade_resize_delay_ms(0), |
| scrollbar_fade_duration_ms(0), |
| scrollbar_show_scale_threshold(1.0f), |
| solid_color_scrollbar_color(SK_ColorWHITE), |
| 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_in_seconds(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), |
| enable_elastic_overscroll(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), |
| verify_property_trees(false), |
| gather_pixel_refs(false) { |
| } |
| |
| LayerTreeSettings::~LayerTreeSettings() {} |
| |
| SchedulerSettings LayerTreeSettings::ToSchedulerSettings() const { |
| SchedulerSettings scheduler_settings; |
| scheduler_settings.use_external_begin_frame_source = |
| use_external_begin_frame_source; |
| scheduler_settings.main_frame_before_activation_enabled = |
| main_frame_before_activation_enabled; |
| scheduler_settings.impl_side_painting = impl_side_painting; |
| scheduler_settings.timeout_and_draw_when_animation_checkerboards = |
| timeout_and_draw_when_animation_checkerboards; |
| scheduler_settings.maximum_number_of_failed_draws_before_draw_is_forced_ = |
| maximum_number_of_failed_draws_before_draw_is_forced_; |
| scheduler_settings.using_synchronous_renderer_compositor = |
| using_synchronous_renderer_compositor; |
| scheduler_settings.throttle_frame_production = throttle_frame_production; |
| scheduler_settings.main_thread_should_always_be_low_latency = false; |
| scheduler_settings.background_frame_interval = |
| base::TimeDelta::FromSecondsD(1.0 / background_animation_rate); |
| return scheduler_settings; |
| } |
| |
| } // namespace cc |