cc/tiles/prioritized_tile.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_PRIORITIZED_TILE_H_
   6 #define CC_TILES_PRIORITIZED_TILE_H_
   7
   8 #include "cc/cc_export.h"
   9 #include "cc/paint/paint_worklet_input.h"
  10 #include "cc/raster/raster_source.h"
  11 #include "cc/tiles/picture_layer_tiling.h"
  12 #include "cc/tiles/tile.h"
  13 #include "cc/tiles/tile_priority.h"
  14
  15 namespace cc {
  16 class RasterSource;
  17 class PictureLayerTiling;
  18
  19 class CC_EXPORT PrioritizedTile {
  20  public:
  21   // This class is constructed and returned by a |PictureLayerTiling|, and
  22   // represents a tile and its priority.
  23   PrioritizedTile();
  24   PrioritizedTile(Tile* tile,
  25                   const PictureLayerTiling* source_tiling,
  26                   const TilePriority& priority,
  27                   bool is_occluded,
  28                   bool is_process_for_images_only,
  29                   bool should_decode_checkered_images_for_tile);
  30   ~PrioritizedTile();
  31
  32   Tile* tile() const { return tile_; }
  33   const scoped_refptr<RasterSource>& raster_source() const {
  34     return source_tiling_->raster_source();
  35   }
  36   const PaintWorkletRecordMap& GetPaintWorkletRecords() const {
  37     return source_tiling_->GetPaintWorkletRecords();
  38   }
  39   const TilePriority& priority() const { return priority_; }
  40   bool is_occluded() const { return is_occluded_; }
  41   bool is_process_for_images_only() const {
  42     return is_process_for_images_only_;
  43   }
  44   bool should_decode_checkered_images_for_tile() const {
  45     return should_decode_checkered_images_for_tile_;
  46   }
  47
  48   void AsValueInto(base::trace_event::TracedValue* value) const;
  49
  50   const PictureLayerTiling* source_tiling() const { return source_tiling_; }
  51
  52  private:
  53   Tile* tile_ = nullptr;
  54   const PictureLayerTiling* source_tiling_ = nullptr;
  55   TilePriority priority_;
  56   bool is_occluded_ = false;
  57   bool is_process_for_images_only_ = false;
  58   bool should_decode_checkered_images_for_tile_ = false;
  59 };
  60
  61 }  // namespace cc
  62
  63 #endif  // CC_TILES_PRIORITIZED_TILE_H_