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// Copyright 2015 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/raster_tile_priority_queue_required.h"
#include "cc/tiles/tiling_set_raster_queue_required.h"
namespace cc {
namespace {
void AppendTilingSetRequiredQueues(
const std::vector<PictureLayerImpl*>& layers,
ScopedPtrVector<TilingSetRasterQueueRequired>* queues) {
for (auto* layer : layers) {
if (!layer->HasValidTilePriorities())
continue;
scoped_ptr<TilingSetRasterQueueRequired> tiling_set_queue(
new TilingSetRasterQueueRequired(
layer->picture_layer_tiling_set(),
RasterTilePriorityQueueRequired::Type::REQUIRED_FOR_ACTIVATION));
if (!tiling_set_queue->IsEmpty())
queues->push_back(tiling_set_queue.Pass());
}
}
} // namespace
RasterTilePriorityQueueRequired::RasterTilePriorityQueueRequired() {
}
RasterTilePriorityQueueRequired::~RasterTilePriorityQueueRequired() {
}
void RasterTilePriorityQueueRequired::Build(
const std::vector<PictureLayerImpl*>& active_layers,
const std::vector<PictureLayerImpl*>& pending_layers,
Type type) {
DCHECK_NE(static_cast<int>(type), static_cast<int>(Type::ALL));
if (type == Type::REQUIRED_FOR_DRAW)
BuildRequiredForDraw(active_layers);
else
BuildRequiredForActivation(active_layers, pending_layers);
}
void RasterTilePriorityQueueRequired::BuildRequiredForDraw(
const std::vector<PictureLayerImpl*>& active_layers) {
for (const auto& layer : active_layers) {
if (!layer->HasValidTilePriorities())
continue;
scoped_ptr<TilingSetRasterQueueRequired> tiling_set_queue(
new TilingSetRasterQueueRequired(layer->picture_layer_tiling_set(),
Type::REQUIRED_FOR_DRAW));
if (!tiling_set_queue->IsEmpty())
tiling_set_queues_.push_back(tiling_set_queue.Pass());
}
}
void RasterTilePriorityQueueRequired::BuildRequiredForActivation(
const std::vector<PictureLayerImpl*>& active_layers,
const std::vector<PictureLayerImpl*>& pending_layers) {
AppendTilingSetRequiredQueues(active_layers, &tiling_set_queues_);
AppendTilingSetRequiredQueues(pending_layers, &tiling_set_queues_);
}
bool RasterTilePriorityQueueRequired::IsEmpty() const {
return tiling_set_queues_.empty();
}
const PrioritizedTile& RasterTilePriorityQueueRequired::Top() const {
DCHECK(!IsEmpty());
return tiling_set_queues_.back()->Top();
}
void RasterTilePriorityQueueRequired::Pop() {
DCHECK(!IsEmpty());
tiling_set_queues_.back()->Pop();
if (tiling_set_queues_.back()->IsEmpty())
tiling_set_queues_.pop_back();
}
} // namespace cc
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