cc/layers/picture_layer.h

   1 // Copyright 2012 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_LAYERS_PICTURE_LAYER_H_
   6 #define CC_LAYERS_PICTURE_LAYER_H_
   7
   8 #include "cc/base/invalidation_region.h"
   9 #include "cc/debug/devtools_instrumentation.h"
  10 #include "cc/debug/micro_benchmark_controller.h"
  11 #include "cc/layers/layer.h"
  12
  13 namespace cc {
  14
  15 class ContentLayerClient;
  16 class RecordingSource;
  17 class ResourceUpdateQueue;
  18
  19 class CC_EXPORT PictureLayer : public Layer {
  20  public:
  21   static scoped_refptr<PictureLayer> Create(const LayerSettings& settings,
  22                                             ContentLayerClient* client);
  23
  24   void ClearClient();
  25
  26   void SetNearestNeighbor(bool nearest_neighbor);
  27
  28   // Layer interface.
  29   scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
  30   void SetLayerTreeHost(LayerTreeHost* host) override;
  31   void PushPropertiesTo(LayerImpl* layer) override;
  32   void SetNeedsDisplayRect(const gfx::Rect& layer_rect) override;
  33   bool Update() override;
  34   void SetIsMask(bool is_mask) override;
  35   skia::RefPtr<SkPicture> GetPicture() const override;
  36   bool IsSuitableForGpuRasterization() const override;
  37
  38   void RunMicroBenchmark(MicroBenchmark* benchmark) override;
  39
  40   ContentLayerClient* client() { return client_; }
  41
  42   RecordingSource* GetRecordingSourceForTesting() {
  43     return recording_source_.get();
  44   }
  45
  46  protected:
  47   PictureLayer(const LayerSettings& settings, ContentLayerClient* client);
  48   // Allow tests to inject a recording source.
  49   PictureLayer(const LayerSettings& settings,
  50                ContentLayerClient* client,
  51                scoped_ptr<RecordingSource> source);
  52   ~PictureLayer() override;
  53
  54   bool HasDrawableContent() const override;
  55
  56   bool is_mask() const { return is_mask_; }
  57
  58  private:
  59   ContentLayerClient* client_;
  60   scoped_ptr<RecordingSource> recording_source_;
  61   devtools_instrumentation::
  62       ScopedLayerObjectTracker instrumentation_object_tracker_;
  63   // Invalidation to use the next time update is called.
  64   InvalidationRegion pending_invalidation_;
  65   // Invalidation from the last time update was called.
  66   Region recording_invalidation_;
  67   gfx::Rect last_updated_visible_layer_rect_;
  68
  69   int update_source_frame_number_;
  70   bool is_mask_;
  71   bool nearest_neighbor_;
  72
  73   DISALLOW_COPY_AND_ASSIGN(PictureLayer);
  74 };
  75
  76 }  // namespace cc
  77
  78 #endif  // CC_LAYERS_PICTURE_LAYER_H_