cc/tiles/raster_tile_priority_queue_required.h

   1 // Copyright 2015 The Chromium Authors
   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_TILES_RASTER_TILE_PRIORITY_QUEUE_REQUIRED_H_
   6 #define CC_TILES_RASTER_TILE_PRIORITY_QUEUE_REQUIRED_H_
   7
   8 #include <vector>
   9
  10 #include "cc/layers/picture_layer_impl.h"
  11 #include "cc/tiles/raster_tile_priority_queue.h"
  12 #include "cc/tiles/tiling_set_raster_queue_required.h"
  13
  14 namespace cc {
  15 class PrioritizedTile;
  16
  17 class RasterTilePriorityQueueRequired : public RasterTilePriorityQueue {
  18  public:
  19   RasterTilePriorityQueueRequired();
  20   RasterTilePriorityQueueRequired(const RasterTilePriorityQueueRequired&) =
  21       delete;
  22   ~RasterTilePriorityQueueRequired() override;
  23
  24   RasterTilePriorityQueueRequired& operator=(
  25       const RasterTilePriorityQueueRequired&) = delete;
  26
  27   bool IsEmpty() const override;
  28   const PrioritizedTile& Top() const override;
  29   void Pop() override;
  30
  31  private:
  32   friend class RasterTilePriorityQueue;
  33
  34   void Build(const std::vector<PictureLayerImpl*>& active_layers,
  35              const std::vector<PictureLayerImpl*>& pending_layers,
  36              Type type);
  37   void BuildRequiredForDraw(
  38       const std::vector<PictureLayerImpl*>& active_layers);
  39   void BuildRequiredForActivation(
  40       const std::vector<PictureLayerImpl*>& active_layers,
  41       const std::vector<PictureLayerImpl*>& pending_layers);
  42
  43   std::vector<std::unique_ptr<TilingSetRasterQueueRequired>> tiling_set_queues_;
  44 };
  45
  46 }  // namespace cc
  47
  48 #endif  // CC_TILES_RASTER_TILE_PRIORITY_QUEUE_REQUIRED_H_