| // 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/resources/raster_tile_priority_queue_required.h" |
| |
| #include "cc/resources/tiling_set_raster_queue_required.h" |
| |
| namespace cc { |
| |
| RasterTilePriorityQueueRequired::RasterTilePriorityQueueRequired() { |
| } |
| |
| RasterTilePriorityQueueRequired::~RasterTilePriorityQueueRequired() { |
| } |
| |
| void RasterTilePriorityQueueRequired::Build( |
| const std::vector<PictureLayerImpl::Pair>& paired_layers, |
| Type type) { |
| DCHECK_NE(static_cast<int>(type), static_cast<int>(Type::ALL)); |
| for (const auto& pair : paired_layers) { |
| PictureLayerTilingSet* tiling_set = nullptr; |
| if (type == Type::REQUIRED_FOR_DRAW && pair.active) |
| tiling_set = pair.active->picture_layer_tiling_set(); |
| else if (type == Type::REQUIRED_FOR_ACTIVATION && pair.pending) |
| tiling_set = pair.pending->picture_layer_tiling_set(); |
| |
| if (!tiling_set) |
| continue; |
| |
| scoped_ptr<TilingSetRasterQueueRequired> tiling_set_queue( |
| new TilingSetRasterQueueRequired(tiling_set, type)); |
| if (tiling_set_queue->IsEmpty()) |
| continue; |
| tiling_set_queues_.push_back(tiling_set_queue.Pass()); |
| } |
| } |
| |
| bool RasterTilePriorityQueueRequired::IsEmpty() const { |
| return tiling_set_queues_.empty(); |
| } |
| |
| Tile* RasterTilePriorityQueueRequired::Top() { |
| 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 |