src/cc/resources/picture_pile.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_RESOURCES_PICTURE_PILE_H_
   6 #define CC_RESOURCES_PICTURE_PILE_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "cc/resources/picture_pile_base.h"
  10 #include "ui/gfx/geometry/rect.h"
  11
  12 namespace cc {
  13 class PicturePileImpl;
  14 class Region;
  15 class RenderingStatsInstrumentation;
  16
  17 class CC_EXPORT PicturePile : public PicturePileBase {
  18  public:
  19   PicturePile();
  20   ~PicturePile() override;
  21
  22   // Re-record parts of the picture that are invalid.
  23   // Invalidations are in layer space, and will be expanded to cover everything
  24   // that was either recorded/changed or that has no recording, leaving out only
  25   // pieces that we had a recording for and it was not changed.
  26   // Return true iff the pile was modified.
  27   bool UpdateAndExpandInvalidation(
  28       ContentLayerClient* painter,
  29       Region* invalidation,
  30       SkColor background_color,
  31       bool contents_opaque,
  32       bool contents_fill_bounds_completely,
  33       const gfx::Size& layer_size,
  34       const gfx::Rect& visible_layer_rect,
  35       int frame_number,
  36       Picture::RecordingMode recording_mode,
  37       RenderingStatsInstrumentation* stats_instrumentation);
  38
  39   void SetEmptyBounds();
  40
  41   void set_slow_down_raster_scale_factor(int factor) {
  42     slow_down_raster_scale_factor_for_debug_ = factor;
  43   }
  44
  45   void set_show_debug_picture_borders(bool show) {
  46     show_debug_picture_borders_ = show;
  47   }
  48
  49   bool is_suitable_for_gpu_rasterization() const {
  50     return is_suitable_for_gpu_rasterization_;
  51   }
  52   void SetUnsuitableForGpuRasterizationForTesting() {
  53     is_suitable_for_gpu_rasterization_ = false;
  54   }
  55
  56   void SetPixelRecordDistanceForTesting(int d) { pixel_record_distance_ = d; }
  57
  58  protected:
  59   // An internal CanRaster check that goes to the picture_map rather than
  60   // using the recorded_viewport hint.
  61   bool CanRasterSlowTileCheck(const gfx::Rect& layer_rect) const;
  62
  63  private:
  64   friend class PicturePileImpl;
  65
  66   void DetermineIfSolidColor();
  67
  68   bool is_suitable_for_gpu_rasterization_;
  69   int pixel_record_distance_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(PicturePile);
  72 };
  73
  74 }  // namespace cc
  75
  76 #endif  // CC_RESOURCES_PICTURE_PILE_H_