cc/resources/gpu_rasterizer.h

   1 // Copyright 2015 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_GPU_RASTERIZER_H_
   6 #define CC_RESOURCES_GPU_RASTERIZER_H_
   7
   8 #include <vector>
   9
  10 #include "cc/base/cc_export.h"
  11 #include "cc/resources/rasterizer.h"
  12 #include "cc/resources/resource_pool.h"
  13 #include "cc/resources/tile.h"
  14 #include "third_party/skia/include/core/SkMultiPictureDraw.h"
  15
  16 namespace cc {
  17
  18 class ContextProvider;
  19 class ResourceProvider;
  20
  21 class CC_EXPORT GpuRasterizer : public Rasterizer {
  22  public:
  23   ~GpuRasterizer() override;
  24
  25   static scoped_ptr<GpuRasterizer> Create(ContextProvider* context_provider,
  26                                           ResourceProvider* resource_provider,
  27                                           bool use_distance_field_text,
  28                                           bool tile_prepare_enabled);
  29   PrepareTilesMode GetPrepareTilesMode() override;
  30   void RasterizeTiles(
  31       const TileVector& tiles,
  32       ResourcePool* resource_pool,
  33       const UpdateTileDrawInfoCallback& update_tile_draw_info) override;
  34
  35  private:
  36   GpuRasterizer(ContextProvider* context_provider,
  37                 ResourceProvider* resource_provider,
  38                 bool use_distance_filed_text,
  39                 bool tile_prepare_enabled);
  40
  41   using ScopedResourceWriteLocks =
  42       ScopedPtrVector<ResourceProvider::ScopedWriteLockGr>;
  43
  44   void PerformSolidColorAnalysis(const Tile* tile,
  45                                  RasterSource::SolidColorAnalysis* analysis);
  46   void AddToMultiPictureDraw(const Tile* tile,
  47                              const ScopedResource* resource,
  48                              ScopedResourceWriteLocks* locks);
  49
  50   ContextProvider* context_provider_;
  51   ResourceProvider* resource_provider_;
  52   SkMultiPictureDraw multi_picture_draw_;
  53
  54   bool use_distance_field_text_;
  55   bool tile_prepare_enabled_;
  56
  57   DISALLOW_COPY_AND_ASSIGN(GpuRasterizer);
  58 };
  59
  60 }  // namespace cc
  61
  62 #endif  // CC_RESOURCES_GPU_RASTERIZER_H_