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// Copyright 2011 The Chromium Authors
// 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 <string>
#include "base/feature_list.h"
#include "cc/base/features.h"
#include "components/viz/common/resources/platform_color.h"
#include "third_party/khronos/GLES2/gl2.h"
namespace cc {
LayerTreeSettings::LayerTreeSettings()
: default_tile_size(gfx::Size(256, 256)),
max_untiled_layer_size(gfx::Size(512, 512)),
minimum_occlusion_tracking_size(gfx::Size(160, 160)),
use_layer_lists(
base::FeatureList::IsEnabled(features::kUseLayerListsByDefault)),
memory_policy(64 * 1024 * 1024,
gpu::MemoryAllocation::CUTOFF_ALLOW_EVERYTHING,
ManagedMemoryPolicy::kDefaultNumResourcesLimit) {}
LayerTreeSettings::LayerTreeSettings(const LayerTreeSettings& other) = default;
LayerTreeSettings::~LayerTreeSettings() = default;
bool LayerTreeSettings::TreesInVizInClientProcess() const {
return !is_layer_tree_for_ui && !trees_in_viz_in_viz_process &&
base::FeatureList::IsEnabled(features::kTreesInViz);
}
bool LayerTreeSettings::UseLayerContextForAnimations() const {
return TreesInVizInClientProcess() &&
base::FeatureList::IsEnabled(features::kTreeAnimationsInViz);
}
SchedulerSettings LayerTreeSettings::ToSchedulerSettings() const {
SchedulerSettings scheduler_settings;
scheduler_settings.main_frame_before_activation_enabled =
main_frame_before_activation_enabled;
scheduler_settings.using_synchronous_renderer_compositor =
using_synchronous_renderer_compositor;
scheduler_settings.wait_for_all_pipeline_stages_before_draw =
wait_for_all_pipeline_stages_before_draw;
scheduler_settings.disable_frame_rate_limit = disable_frame_rate_limit;
if (base::FeatureList::IsEnabled(::features::kDeferImplInvalidation)) {
scheduler_settings.delay_impl_invalidation_frames =
::features::kDeferImplInvalidationFrames.Get();
}
if (!single_thread_proxy_scheduler) {
const std::string mode_name = ::features::kScrollEventDispatchMode.Get();
scheduler_settings.scroll_deadline_mode_enabled =
base::FeatureList::IsEnabled(::features::kWaitForLateScrollEvents) &&
(mode_name ==
::features::
kScrollEventDispatchModeDispatchScrollEventsImmediately ||
mode_name ==
::features::
kScrollEventDispatchModeUseScrollPredictorForDeadline ||
mode_name ==
::features::
kScrollEventDispatchModeDispatchScrollEventsUntilDeadline);
if (scheduler_settings.scroll_deadline_mode_enabled) {
scheduler_settings.scroll_deadline_ratio =
::features::kWaitForLateScrollEventsDeadlineRatio.Get();
}
}
return scheduler_settings;
}
TileManagerSettings LayerTreeSettings::ToTileManagerSettings() const {
TileManagerSettings tile_manager_settings;
tile_manager_settings.use_partial_raster = use_partial_raster;
tile_manager_settings.enable_checker_imaging = enable_checker_imaging;
tile_manager_settings.min_image_bytes_to_checker = min_image_bytes_to_checker;
tile_manager_settings.needs_notify_ready_to_draw =
commit_to_active_tree | wait_for_all_pipeline_stages_before_draw;
return tile_manager_settings;
}
} // namespace cc
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