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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CC_RESOURCES_EVICTION_TILE_PRIORITY_QUEUE_H_ | |
| 6 #define CC_RESOURCES_EVICTION_TILE_PRIORITY_QUEUE_H_ | |
| 7 | |
| 8 #include <set> | |
| 9 #include <utility> | |
| 10 #include <vector> | |
| 11 | |
| 12 #include "cc/base/cc_export.h" | |
| 13 #include "cc/layers/picture_layer_impl.h" | |
| 14 #include "cc/resources/tile_priority.h" | |
| 15 #include "cc/resources/tiling_set_eviction_queue.h" | |
| 16 | |
| 17 namespace cc { | |
| 18 class PrioritizedTile; | |
| 19 | |
| 20 class CC_EXPORT EvictionTilePriorityQueue { | |
| 21 public: | |
| 22 EvictionTilePriorityQueue(); | |
| 23 ~EvictionTilePriorityQueue(); | |
| 24 | |
| 25 void Build(const std::vector<PictureLayerImpl*>& active_layers, | |
| 26 const std::vector<PictureLayerImpl*>& pending_layers, | |
| 27 TreePriority tree_priority); | |
| 28 | |
| 29 bool IsEmpty() const; | |
| 30 const PrioritizedTile& Top() const; | |
| 31 void Pop(); | |
| 32 | |
| 33 private: | |
| 34 ScopedPtrVector<TilingSetEvictionQueue>& GetNextQueues(); | |
| 35 const ScopedPtrVector<TilingSetEvictionQueue>& GetNextQueues() const; | |
| 36 | |
| 37 ScopedPtrVector<TilingSetEvictionQueue> active_queues_; | |
| 38 ScopedPtrVector<TilingSetEvictionQueue> pending_queues_; | |
| 39 TreePriority tree_priority_; | |
| 40 | |
| 41 DISALLOW_COPY_AND_ASSIGN(EvictionTilePriorityQueue); | |
| 42 }; | |
| 43 | |
| 44 } // namespace cc | |
| 45 | |
| 46 #endif // CC_RESOURCES_EVICTION_TILE_PRIORITY_QUEUE_H_ | |
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