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// Copyright 2012 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/tiles/tile.h"
#include <algorithm>
#include "base/numerics/safe_conversions.h"
#include "base/trace_event/trace_event_argument.h"
#include "cc/base/math_util.h"
#include "cc/debug/traced_value.h"
#include "cc/tiles/tile_manager.h"
namespace cc {
Tile::Tile(TileManager* tile_manager,
const CreateInfo& info,
int layer_id,
int source_frame_number,
int flags)
: tile_manager_(tile_manager),
content_rect_(info.content_rect),
enclosing_layer_rect_(info.enclosing_layer_rect),
contents_scale_(info.contents_scale),
layer_id_(layer_id),
source_frame_number_(source_frame_number),
flags_(flags),
tiling_i_index_(info.tiling_i_index),
tiling_j_index_(info.tiling_j_index),
required_for_activation_(false),
required_for_draw_(false),
id_(tile_manager->GetUniqueTileId()),
invalidated_id_(0),
scheduled_priority_(0) {}
Tile::~Tile() {
TRACE_EVENT_OBJECT_DELETED_WITH_ID(
TRACE_DISABLED_BY_DEFAULT("cc.debug"),
"cc::Tile", this);
}
void Tile::AsValueInto(base::trace_event::TracedValue* value) const {
TracedValue::MakeDictIntoImplicitSnapshotWithCategory(
TRACE_DISABLED_BY_DEFAULT("cc.debug"), value, "cc::Tile", this);
value->SetDouble("contents_scale", contents_scale_);
MathUtil::AddToTracedValue("content_rect", content_rect_, value);
value->SetInteger("layer_id", layer_id_);
value->BeginDictionary("draw_info");
draw_info_.AsValueInto(value);
value->EndDictionary();
value->SetBoolean("has_resource", draw_info().has_resource());
value->SetBoolean("is_using_gpu_memory",
draw_info().has_resource() || HasRasterTask());
value->SetInteger("scheduled_priority", scheduled_priority_);
value->SetBoolean("use_picture_analysis", use_picture_analysis());
value->SetInteger("gpu_memory_usage",
base::saturated_cast<int>(GPUMemoryUsageInBytes()));
}
size_t Tile::GPUMemoryUsageInBytes() const {
if (draw_info_.resource_) {
// We can use UncheckedSizeInBytes, since the tile size is determined by the
// compositor.
return ResourceUtil::UncheckedSizeInBytes<size_t>(
draw_info_.resource_->size(), draw_info_.resource_->format());
}
return 0;
}
void Tile::Deleter::operator()(Tile* tile) const {
tile->tile_manager_->Release(tile);
}
} // namespace cc
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