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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CC_PLAYBACK_DISPLAY_LIST_RASTER_SOURCE_H_ | 5 #ifndef CC_PLAYBACK_DISPLAY_LIST_RASTER_SOURCE_H_ |
6 #define CC_PLAYBACK_DISPLAY_LIST_RASTER_SOURCE_H_ | 6 #define CC_PLAYBACK_DISPLAY_LIST_RASTER_SOURCE_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
14 #include "cc/base/cc_export.h" | 14 #include "cc/base/cc_export.h" |
15 #include "cc/debug/rendering_stats_instrumentation.h" | 15 #include "cc/debug/rendering_stats_instrumentation.h" |
16 #include "cc/playback/display_list_recording_source.h" | 16 #include "cc/playback/display_list_recording_source.h" |
17 #include "skia/ext/analysis_canvas.h" | 17 #include "skia/ext/analysis_canvas.h" |
18 #include "skia/ext/refptr.h" | 18 #include "skia/ext/refptr.h" |
19 #include "third_party/skia/include/core/SkPicture.h" | 19 #include "third_party/skia/include/core/SkPicture.h" |
20 | 20 |
21 namespace cc { | 21 namespace cc { |
22 class DisplayItemList; | 22 class DisplayItemList; |
23 class DrawImage; | 23 class DrawImage; |
| 24 class ImageDecodeController; |
24 | 25 |
25 class CC_EXPORT DisplayListRasterSource | 26 class CC_EXPORT DisplayListRasterSource |
26 : public base::RefCountedThreadSafe<DisplayListRasterSource> { | 27 : public base::RefCountedThreadSafe<DisplayListRasterSource> { |
27 public: | 28 public: |
28 static scoped_refptr<DisplayListRasterSource> | 29 static scoped_refptr<DisplayListRasterSource> |
29 CreateFromDisplayListRecordingSource(const DisplayListRecordingSource* other, | 30 CreateFromDisplayListRecordingSource(const DisplayListRecordingSource* other, |
30 bool can_use_lcd_text); | 31 bool can_use_lcd_text); |
31 | 32 |
32 // Raster a subrect of this RasterSource into the given canvas. It is | 33 // Raster a subrect of this RasterSource into the given canvas. It is |
33 // assumed that contents_scale has already been applied to this canvas. | 34 // assumed that contents_scale has already been applied to this canvas. |
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95 virtual void DidBeginTracing(); | 96 virtual void DidBeginTracing(); |
96 virtual void AsValueInto(base::trace_event::TracedValue* array) const; | 97 virtual void AsValueInto(base::trace_event::TracedValue* array) const; |
97 virtual skia::RefPtr<SkPicture> GetFlattenedPicture(); | 98 virtual skia::RefPtr<SkPicture> GetFlattenedPicture(); |
98 virtual size_t GetPictureMemoryUsage() const; | 99 virtual size_t GetPictureMemoryUsage() const; |
99 | 100 |
100 // Return true if LCD anti-aliasing may be used when rastering text. | 101 // Return true if LCD anti-aliasing may be used when rastering text. |
101 virtual bool CanUseLCDText() const; | 102 virtual bool CanUseLCDText() const; |
102 | 103 |
103 scoped_refptr<DisplayListRasterSource> CreateCloneWithoutLCDText() const; | 104 scoped_refptr<DisplayListRasterSource> CreateCloneWithoutLCDText() const; |
104 | 105 |
| 106 // Image decode controller should be set once. Its lifetime has to exceed that |
| 107 // of the raster source, since the raster source will access it during raster. |
| 108 void SetImageDecodeController(ImageDecodeController* image_decode_controller); |
| 109 |
105 protected: | 110 protected: |
106 friend class base::RefCountedThreadSafe<DisplayListRasterSource>; | 111 friend class base::RefCountedThreadSafe<DisplayListRasterSource>; |
107 | 112 |
108 DisplayListRasterSource(const DisplayListRecordingSource* other, | 113 DisplayListRasterSource(const DisplayListRecordingSource* other, |
109 bool can_use_lcd_text); | 114 bool can_use_lcd_text); |
110 DisplayListRasterSource(const DisplayListRasterSource* other, | 115 DisplayListRasterSource(const DisplayListRasterSource* other, |
111 bool can_use_lcd_text); | 116 bool can_use_lcd_text); |
112 virtual ~DisplayListRasterSource(); | 117 virtual ~DisplayListRasterSource(); |
113 | 118 |
114 // These members are const as this raster source may be in use on another | 119 // These members are const as this raster source may be in use on another |
115 // thread and so should not be touched after construction. | 120 // thread and so should not be touched after construction. |
116 const scoped_refptr<DisplayItemList> display_list_; | 121 const scoped_refptr<DisplayItemList> display_list_; |
117 const size_t painter_reported_memory_usage_; | 122 const size_t painter_reported_memory_usage_; |
118 const SkColor background_color_; | 123 const SkColor background_color_; |
119 const bool requires_clear_; | 124 const bool requires_clear_; |
120 const bool can_use_lcd_text_; | 125 const bool can_use_lcd_text_; |
121 const bool is_solid_color_; | 126 const bool is_solid_color_; |
122 const SkColor solid_color_; | 127 const SkColor solid_color_; |
123 const gfx::Rect recorded_viewport_; | 128 const gfx::Rect recorded_viewport_; |
124 const gfx::Size size_; | 129 const gfx::Size size_; |
125 const bool clear_canvas_with_debug_color_; | 130 const bool clear_canvas_with_debug_color_; |
126 const int slow_down_raster_scale_factor_for_debug_; | 131 const int slow_down_raster_scale_factor_for_debug_; |
127 // TODO(enne/vmiura): this has a read/write race between raster and compositor | 132 // TODO(enne/vmiura): this has a read/write race between raster and compositor |
128 // threads with multi-threaded Ganesh. Make this const or remove it. | 133 // threads with multi-threaded Ganesh. Make this const or remove it. |
129 bool should_attempt_to_use_distance_field_text_; | 134 bool should_attempt_to_use_distance_field_text_; |
130 | 135 |
| 136 // In practice, this is only set once before raster begins, so it's ok with |
| 137 // respect to threading. |
| 138 ImageDecodeController* image_decode_controller_; |
| 139 |
131 private: | 140 private: |
132 // Called when analyzing a tile. We can use AnalysisCanvas as | 141 // Called when analyzing a tile. We can use AnalysisCanvas as |
133 // SkPicture::AbortCallback, which allows us to early out from analysis. | 142 // SkPicture::AbortCallback, which allows us to early out from analysis. |
134 void RasterForAnalysis(skia::AnalysisCanvas* canvas, | 143 void RasterForAnalysis(skia::AnalysisCanvas* canvas, |
135 const gfx::Rect& canvas_rect, | 144 const gfx::Rect& canvas_rect, |
136 float contents_scale) const; | 145 float contents_scale) const; |
137 | 146 |
138 void RasterCommon(SkCanvas* canvas, | 147 void RasterCommon(SkCanvas* canvas, |
139 SkPicture::AbortCallback* callback, | 148 SkPicture::AbortCallback* callback, |
140 const gfx::Rect& canvas_bitmap_rect, | 149 const gfx::Rect& canvas_bitmap_rect, |
141 const gfx::Rect& canvas_playback_rect, | 150 const gfx::Rect& canvas_playback_rect, |
142 float contents_scale) const; | 151 float contents_scale) const; |
143 | 152 |
144 void PrepareForPlaybackToCanvas(SkCanvas* canvas, | 153 void PrepareForPlaybackToCanvas(SkCanvas* canvas, |
145 const gfx::Rect& canvas_bitmap_rect, | 154 const gfx::Rect& canvas_bitmap_rect, |
146 const gfx::Rect& canvas_playback_rect, | 155 const gfx::Rect& canvas_playback_rect, |
147 float contents_scale) const; | 156 float contents_scale) const; |
148 | 157 |
149 DISALLOW_COPY_AND_ASSIGN(DisplayListRasterSource); | 158 DISALLOW_COPY_AND_ASSIGN(DisplayListRasterSource); |
150 }; | 159 }; |
151 | 160 |
152 } // namespace cc | 161 } // namespace cc |
153 | 162 |
154 #endif // CC_PLAYBACK_DISPLAY_LIST_RASTER_SOURCE_H_ | 163 #endif // CC_PLAYBACK_DISPLAY_LIST_RASTER_SOURCE_H_ |
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