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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_DISPLAY_LIST_RASTER_SOURCE_H_ | |
6 #define CC_RESOURCES_DISPLAY_LIST_RASTER_SOURCE_H_ | |
7 | |
8 #include <vector> | |
9 | |
10 #include "base/memory/scoped_ptr.h" | |
11 #include "cc/base/cc_export.h" | |
12 #include "cc/debug/rendering_stats_instrumentation.h" | |
13 #include "cc/resources/display_list_recording_source.h" | |
14 #include "cc/resources/raster_source.h" | |
15 #include "skia/ext/analysis_canvas.h" | |
16 #include "skia/ext/refptr.h" | |
17 #include "third_party/skia/include/core/SkPicture.h" | |
18 | |
19 namespace cc { | |
20 class DisplayItemList; | |
21 | |
22 class CC_EXPORT DisplayListRasterSource : public RasterSource { | |
23 public: | |
24 static scoped_refptr<DisplayListRasterSource> | |
25 CreateFromDisplayListRecordingSource(const DisplayListRecordingSource* other, | |
26 bool can_use_lcd_text); | |
27 | |
28 // RasterSource overrides. | |
29 void PlaybackToCanvas(SkCanvas* canvas, | |
30 const gfx::Rect& canvas_rect, | |
31 float contents_scale) const override; | |
32 void PlaybackToSharedCanvas(SkCanvas* canvas, | |
33 const gfx::Rect& canvas_rect, | |
34 float contents_scale) const override; | |
35 void PerformSolidColorAnalysis( | |
36 const gfx::Rect& content_rect, | |
37 float contents_scale, | |
38 RasterSource::SolidColorAnalysis* analysis) const override; | |
39 bool IsSolidColor() const override; | |
40 SkColor GetSolidColor() const override; | |
41 gfx::Size GetSize() const override; | |
42 void GatherPixelRefs(const gfx::Rect& content_rect, | |
43 float contents_scale, | |
44 std::vector<SkPixelRef*>* pixel_refs) const override; | |
45 bool CoversRect(const gfx::Rect& content_rect, | |
46 float contents_scale) const override; | |
47 bool HasRecordings() const override; | |
48 void SetShouldAttemptToUseDistanceFieldText() override; | |
49 bool ShouldAttemptToUseDistanceFieldText() const override; | |
50 void DidBeginTracing() override; | |
51 void AsValueInto(base::trace_event::TracedValue* array) const override; | |
52 skia::RefPtr<SkPicture> GetFlattenedPicture() override; | |
53 size_t GetPictureMemoryUsage() const override; | |
54 bool CanUseLCDText() const override; | |
55 scoped_refptr<RasterSource> CreateCloneWithoutLCDText() const override; | |
56 | |
57 protected: | |
58 DisplayListRasterSource(); | |
59 DisplayListRasterSource(const DisplayListRecordingSource* other, | |
60 bool can_use_lcd_text); | |
61 DisplayListRasterSource(const DisplayListRasterSource* other, | |
62 bool can_use_lcd_text); | |
63 ~DisplayListRasterSource() override; | |
64 | |
65 // These members are const as this raster source may be in use on another | |
66 // thread and so should not be touched after construction. | |
67 const scoped_refptr<DisplayItemList> display_list_; | |
68 const SkColor background_color_; | |
69 const bool requires_clear_; | |
70 const bool can_use_lcd_text_; | |
71 const bool is_solid_color_; | |
72 const SkColor solid_color_; | |
73 const gfx::Rect recorded_viewport_; | |
74 const gfx::Size size_; | |
75 const bool clear_canvas_with_debug_color_; | |
76 const int slow_down_raster_scale_factor_for_debug_; | |
77 // TODO(enne/vmiura): this has a read/write race between raster and compositor | |
78 // threads with multi-threaded Ganesh. Make this const or remove it. | |
79 bool should_attempt_to_use_distance_field_text_; | |
80 | |
81 private: | |
82 // Called when analyzing a tile. We can use AnalysisCanvas as | |
83 // SkDrawPictureCallback, which allows us to early out from analysis. | |
84 void RasterForAnalysis(skia::AnalysisCanvas* canvas, | |
85 const gfx::Rect& canvas_rect, | |
86 float contents_scale) const; | |
87 | |
88 void RasterCommon(SkCanvas* canvas, | |
89 SkDrawPictureCallback* callback, | |
90 const gfx::Rect& canvas_rect, | |
91 float contents_scale) const; | |
92 | |
93 DISALLOW_COPY_AND_ASSIGN(DisplayListRasterSource); | |
94 }; | |
95 | |
96 } // namespace cc | |
97 | |
98 #endif // CC_RESOURCES_DISPLAY_LIST_RASTER_SOURCE_H_ | |
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