cc/playback/display_list_recording_source.h

   1 // Copyright 2014 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_PLAYBACK_DISPLAY_LIST_RECORDING_SOURCE_H_
   6 #define CC_PLAYBACK_DISPLAY_LIST_RECORDING_SOURCE_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "cc/playback/recording_source.h"
  10
  11 namespace cc {
  12 class DisplayItemList;
  13 class DisplayListRasterSource;
  14
  15 class CC_EXPORT DisplayListRecordingSource : public RecordingSource {
  16  public:
  17   explicit DisplayListRecordingSource(const gfx::Size& grid_cell_size);
  18   ~DisplayListRecordingSource() override;
  19
  20   // RecordingSource overrides.
  21   bool UpdateAndExpandInvalidation(ContentLayerClient* painter,
  22                                    Region* invalidation,
  23                                    const gfx::Size& layer_size,
  24                                    const gfx::Rect& visible_layer_rect,
  25                                    int frame_number,
  26                                    RecordingMode recording_mode) override;
  27   scoped_refptr<RasterSource> CreateRasterSource(
  28       bool can_use_lcd_text) const override;
  29   gfx::Size GetSize() const final;
  30   void SetEmptyBounds() override;
  31   void SetSlowdownRasterScaleFactor(int factor) override;
  32   void SetGatherDiscardableImages(bool gather_images) override;
  33   void SetBackgroundColor(SkColor background_color) override;
  34   void SetRequiresClear(bool requires_clear) override;
  35   bool IsSuitableForGpuRasterization() const override;
  36   void SetUnsuitableForGpuRasterizationForTesting() override;
  37   gfx::Size GetTileGridSizeForTesting() const override;
  38   // Returns true if the new recorded viewport exposes enough new area to be
  39   // worth re-recording.
  40   static bool ExposesEnoughNewArea(
  41       const gfx::Rect& current_recorded_viewport,
  42       const gfx::Rect& potential_new_recorded_viewport,
  43       const gfx::Size& layer_size);
  44
  45   gfx::Rect recorded_viewport() const { return recorded_viewport_; }
  46
  47  protected:
  48   void Clear();
  49
  50   gfx::Rect recorded_viewport_;
  51   gfx::Size size_;
  52   int slow_down_raster_scale_factor_for_debug_;
  53   bool gather_images_;
  54   bool requires_clear_;
  55   bool is_solid_color_;
  56   bool clear_canvas_with_debug_color_;
  57   SkColor solid_color_;
  58   SkColor background_color_;
  59   int pixel_record_distance_;
  60   gfx::Size grid_cell_size_;
  61
  62   scoped_refptr<DisplayItemList> display_list_;
  63   size_t painter_reported_memory_usage_;
  64
  65  private:
  66   friend class DisplayListRasterSource;
  67
  68   void DetermineIfSolidColor();
  69
  70   bool is_suitable_for_gpu_rasterization_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(DisplayListRecordingSource);
  73 };
  74
  75 }  // namespace cc
  76
  77 #endif  // CC_PLAYBACK_DISPLAY_LIST_RECORDING_SOURCE_H_