cc/resources/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_RESOURCES_RECORDING_SOURCE_H_
   6 #define CC_RESOURCES_RECORDING_SOURCE_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "cc/base/cc_export.h"
  10 #include "third_party/skia/include/core/SkColor.h"
  11 #include "ui/gfx/geometry/rect.h"
  12 #include "ui/gfx/geometry/size.h"
  13
  14 namespace cc {
  15 class ContentLayerClient;
  16 class Region;
  17 class RasterSource;
  18
  19 class CC_EXPORT RecordingSource {
  20  public:
  21   enum RecordingMode {
  22     RECORD_NORMALLY,
  23     RECORD_WITH_SK_NULL_CANVAS,
  24     RECORD_WITH_PAINTING_DISABLED,
  25     RECORD_WITH_CACHING_DISABLED,
  26     RECORDING_MODE_COUNT,  // Must be the last entry.
  27   };
  28
  29   virtual ~RecordingSource() {}
  30   // Re-record parts of the picture that are invalid.
  31   // Invalidations are in layer space, and will be expanded to cover everything
  32   // that was either recorded/changed or that has no recording, leaving out only
  33   // pieces that we had a recording for and it was not changed.
  34   // Return true iff the pile was modified.
  35   virtual bool UpdateAndExpandInvalidation(ContentLayerClient* painter,
  36                                            Region* invalidation,
  37                                            const gfx::Size& layer_size,
  38                                            const gfx::Rect& visible_layer_rect,
  39                                            int frame_number,
  40                                            RecordingMode recording_mode) = 0;
  41
  42   virtual scoped_refptr<RasterSource> CreateRasterSource(
  43       bool can_use_lcd_text) const = 0;
  44
  45   virtual gfx::Size GetSize() const = 0;
  46   virtual void SetEmptyBounds() = 0;
  47   virtual void SetSlowdownRasterScaleFactor(int factor) = 0;
  48   virtual void SetGatherPixelRefs(bool gather_pixel_refs) = 0;
  49   virtual void SetBackgroundColor(SkColor background_color) = 0;
  50   virtual void SetRequiresClear(bool requires_clear) = 0;
  51   virtual bool IsSuitableForGpuRasterization() const = 0;
  52
  53   // TODO(hendrikw): Figure out how to remove this.
  54   virtual void SetUnsuitableForGpuRasterizationForTesting() = 0;
  55   virtual gfx::Size GetTileGridSizeForTesting() const = 0;
  56 };
  57
  58 }  // namespace cc
  59
  60 #endif  // CC_RESOURCES_RECORDING_SOURCE_H_