| // Copyright 2014 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CC_TILES_RASTER_TILE_PRIORITY_QUEUE_H_ |
| #define CC_TILES_RASTER_TILE_PRIORITY_QUEUE_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "base/memory/raw_ptr.h" |
| #include "cc/cc_export.h" |
| #include "cc/layers/picture_layer_impl.h" |
| #include "cc/tiles/tile_priority.h" |
| |
| namespace cc { |
| class PrioritizedTile; |
| |
| class CC_EXPORT RasterTilePriorityQueue { |
| public: |
| enum class Type { ALL, REQUIRED_FOR_ACTIVATION, REQUIRED_FOR_DRAW }; |
| |
| static std::unique_ptr<RasterTilePriorityQueue> Create( |
| const std::vector<raw_ptr<PictureLayerImpl, VectorExperimental>>& |
| active_layers, |
| const std::vector<raw_ptr<PictureLayerImpl, VectorExperimental>>& |
| pending_layers, |
| TreePriority tree_priority, |
| Type type); |
| |
| virtual ~RasterTilePriorityQueue() {} |
| RasterTilePriorityQueue(const RasterTilePriorityQueue&) = delete; |
| |
| RasterTilePriorityQueue& operator=(const RasterTilePriorityQueue&) = delete; |
| |
| virtual bool IsEmpty() const = 0; |
| virtual const PrioritizedTile& Top() const = 0; |
| virtual void Pop() = 0; |
| |
| protected: |
| RasterTilePriorityQueue() {} |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_TILES_RASTER_TILE_PRIORITY_QUEUE_H_ |