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   // Returns true if the new recorded viewport exposes enough new area to be
  37   // worth re-recording.
  38   static bool ExposesEnoughNewArea(
  39       const gfx::Rect& current_recorded_viewport,
  40       const gfx::Rect& potential_new_recorded_viewport,
  41       const gfx::Size& layer_size);
  42
  43   gfx::Rect recorded_viewport() const { return recorded_viewport_; }
  44
  45  protected:
  46   void Clear();
  47
  48   gfx::Rect recorded_viewport_;
  49   gfx::Size size_;
  50   int slow_down_raster_scale_factor_for_debug_;
  51   bool gather_images_;
  52   bool requires_clear_;
  53   bool is_solid_color_;
  54   bool clear_canvas_with_debug_color_;
  55   SkColor solid_color_;
  56   SkColor background_color_;
  57   int pixel_record_distance_;
  58   gfx::Size grid_cell_size_;
  59
  60   scoped_refptr<DisplayItemList> display_list_;
  61   size_t painter_reported_memory_usage_;
  62
  63  private:
  64   friend class DisplayListRasterSource;
  65
  66   void DetermineIfSolidColor();
  67
  68   DISALLOW_COPY_AND_ASSIGN(DisplayListRecordingSource);
  69 };
  70
  71 }  // namespace cc
  72
  73 #endif  // CC_PLAYBACK_DISPLAY_LIST_RECORDING_SOURCE_H_