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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkBigPicture_DEFINED | 8 #ifndef SkBigPicture_DEFINED |
9 #define SkBigPicture_DEFINED | 9 #define SkBigPicture_DEFINED |
10 | 10 |
11 #include "SkOnce.h" | 11 #include "SkOnce.h" |
12 #include "SkPicture.h" | 12 #include "SkPicture.h" |
13 #include "SkRect.h" | 13 #include "SkRect.h" |
14 #include "SkTemplates.h" | 14 #include "SkTemplates.h" |
15 | 15 |
16 class SkBBoxHierarchy; | 16 class SkBBoxHierarchy; |
17 class SkMatrix; | 17 class SkMatrix; |
18 class SkRecord; | 18 class SkRecord; |
19 | 19 |
20 // An implementation of SkPicture supporting an arbitrary number of drawing comm
ands. | 20 // An implementation of SkPicture supporting an arbitrary number of drawing comm
ands. |
21 class SkBigPicture final : public SkPicture { | 21 class SkBigPicture final : public SkPicture { |
22 public: | 22 public: |
23 // AccelData provides a base class for device-specific acceleration data. | |
24 class AccelData : public SkRefCnt { }; | |
25 | |
26 // An array of refcounted const SkPicture pointers. | 23 // An array of refcounted const SkPicture pointers. |
27 class SnapshotArray : ::SkNoncopyable { | 24 class SnapshotArray : ::SkNoncopyable { |
28 public: | 25 public: |
29 SnapshotArray(const SkPicture* pics[], int count) : fPics(pics), fCount(
count) {} | 26 SnapshotArray(const SkPicture* pics[], int count) : fPics(pics), fCount(
count) {} |
30 ~SnapshotArray() { for (int i = 0; i < fCount; i++) { fPics[i]->unref();
} } | 27 ~SnapshotArray() { for (int i = 0; i < fCount; i++) { fPics[i]->unref();
} } |
31 | 28 |
32 const SkPicture* const* begin() const { return fPics; } | 29 const SkPicture* const* begin() const { return fPics; } |
33 int count() const { return fCount; } | 30 int count() const { return fCount; } |
34 private: | 31 private: |
35 SkAutoTMalloc<const SkPicture*> fPics; | 32 SkAutoTMalloc<const SkPicture*> fPics; |
36 int fCount; | 33 int fCount; |
37 }; | 34 }; |
38 | 35 |
39 SkBigPicture(const SkRect& cull, | 36 SkBigPicture(const SkRect& cull, |
40 SkRecord*, // We take ownership of the caller's ref. | 37 SkRecord*, // We take ownership of the caller's ref. |
41 SnapshotArray*, // We take exclusive ownership. | 38 SnapshotArray*, // We take exclusive ownership. |
42 SkBBoxHierarchy*, // We take ownership of the caller's ref. | 39 SkBBoxHierarchy*, // We take ownership of the caller's ref. |
43 AccelData*, // We take ownership of the caller's ref. | |
44 size_t approxBytesUsedBySubPictures); | 40 size_t approxBytesUsedBySubPictures); |
45 | 41 |
46 | 42 |
47 // SkPicture overrides | 43 // SkPicture overrides |
48 void playback(SkCanvas*, AbortCallback*) const override; | 44 void playback(SkCanvas*, AbortCallback*) const override; |
49 SkRect cullRect() const override; | 45 SkRect cullRect() const override; |
50 bool willPlayBackBitmaps() const override; | 46 bool willPlayBackBitmaps() const override; |
51 int approximateOpCount() const override; | 47 int approximateOpCount() const override; |
52 size_t approximateBytesUsed() const override; | 48 size_t approximateBytesUsed() const override; |
53 const SkBigPicture* asSkBigPicture() const override { return this; } | 49 const SkBigPicture* asSkBigPicture() const override { return this; } |
54 | 50 |
55 // Used by GrLayerHoister | 51 // Used by GrLayerHoister |
56 void partialPlayback(SkCanvas*, | 52 void partialPlayback(SkCanvas*, |
57 int start, | 53 int start, |
58 int stop, | 54 int stop, |
59 const SkMatrix& initialCTM) const; | 55 const SkMatrix& initialCTM) const; |
60 // Used by GrRecordReplaceDraw | 56 // Used by GrRecordReplaceDraw |
61 const SkBBoxHierarchy* bbh() const { return fBBH; } | 57 const SkBBoxHierarchy* bbh() const { return fBBH; } |
62 const SkRecord* record() const { return fRecord; } | 58 const SkRecord* record() const { return fRecord; } |
63 const AccelData* accelData() const { return fAccelData; } | |
64 | 59 |
65 private: | 60 private: |
66 struct Analysis { | 61 struct Analysis { |
67 void init(const SkRecord&); | 62 void init(const SkRecord&); |
68 | 63 |
69 bool suitableForGpuRasterization(const char** reason) const; | 64 bool suitableForGpuRasterization(const char** reason) const; |
70 | 65 |
71 uint8_t fNumSlowPathsAndDashEffects; | 66 uint8_t fNumSlowPathsAndDashEffects; |
72 bool fWillPlaybackBitmaps : 1; | 67 bool fWillPlaybackBitmaps : 1; |
73 }; | 68 }; |
74 | 69 |
75 int numSlowPaths() const override; | 70 int numSlowPaths() const override; |
76 const Analysis& analysis() const; | 71 const Analysis& analysis() const; |
77 int drawableCount() const; | 72 int drawableCount() const; |
78 SkPicture const* const* drawablePicts() const; | 73 SkPicture const* const* drawablePicts() const; |
79 | 74 |
80 const SkRect fCullRect; | 75 const SkRect fCullRect; |
81 const size_t fApproxBytesUsedBySubPictures; | 76 const size_t fApproxBytesUsedBySubPictures; |
82 mutable SkOnce fAnalysisOnce; | 77 mutable SkOnce fAnalysisOnce; |
83 mutable Analysis fAnalysis; | 78 mutable Analysis fAnalysis; |
84 SkAutoTUnref<const SkRecord> fRecord; | 79 SkAutoTUnref<const SkRecord> fRecord; |
85 SkAutoTDelete<const SnapshotArray> fDrawablePicts; | 80 SkAutoTDelete<const SnapshotArray> fDrawablePicts; |
86 SkAutoTUnref<const SkBBoxHierarchy> fBBH; | 81 SkAutoTUnref<const SkBBoxHierarchy> fBBH; |
87 SkAutoTUnref<const AccelData> fAccelData; | |
88 }; | 82 }; |
89 | 83 |
90 #endif//SkBigPicture_DEFINED | 84 #endif//SkBigPicture_DEFINED |
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