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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 GrPorterDuffXferProcessor_DEFINED | 8 #ifndef GrPorterDuffXferProcessor_DEFINED |
9 #define GrPorterDuffXferProcessor_DEFINED | 9 #define GrPorterDuffXferProcessor_DEFINED |
10 | 10 |
11 #include "GrTypes.h" | 11 #include "GrTypes.h" |
12 #include "GrXferProcessor.h" | 12 #include "GrXferProcessor.h" |
13 #include "SkXfermode.h" | 13 #include "SkXfermode.h" |
14 | 14 |
15 class GrProcOptInfo; | 15 class GrProcOptInfo; |
16 | 16 |
17 class GrPDXPFactory : public GrXPFactory { | 17 class GrPorterDuffXPFactory : public GrXPFactory { |
18 public: | 18 public: |
19 static const GrXPFactory* Create(SkXfermode::Mode mode); | 19 static GrXPFactory* Create(SkXfermode::Mode mode); |
20 | 20 |
21 bool supportsRGBCoverage(GrColor /*knownColor*/, uint32_t /*knownColorFlags*
/) const override { | 21 bool supportsRGBCoverage(GrColor /*knownColor*/, uint32_t /*knownColorFlags*
/) const override { |
22 return true; | 22 return true; |
23 } | 23 } |
24 | 24 |
25 void getInvariantBlendedColor(const GrProcOptInfo& colorPOI, | 25 void getInvariantBlendedColor(const GrProcOptInfo& colorPOI, |
26 GrXPFactory::InvariantBlendedColor*) const ove
rride; | 26 GrXPFactory::InvariantBlendedColor*) const ove
rride; |
27 | 27 |
28 private: | 28 private: |
29 GrPDXPFactory(SkXfermode::Mode); | 29 GrPorterDuffXPFactory(SkXfermode::Mode); |
30 | 30 |
31 GrXferProcessor* onCreateXferProcessor(const GrCaps& caps, | 31 GrXferProcessor* onCreateXferProcessor(const GrCaps& caps, |
32 const GrProcOptInfo& colorPOI, | 32 const GrProcOptInfo& colorPOI, |
33 const GrProcOptInfo& coveragePOI, | 33 const GrProcOptInfo& coveragePOI, |
34 bool hasMixedSamples, | 34 bool hasMixedSamples, |
35 const DstTexture*) const override; | 35 const DstTexture*) const override; |
36 | 36 |
37 bool willReadDstColor(const GrCaps& caps, | 37 bool willReadDstColor(const GrCaps& caps, |
38 const GrProcOptInfo& colorPOI, | 38 const GrProcOptInfo& colorPOI, |
39 const GrProcOptInfo& coveragePOI, | 39 const GrProcOptInfo& coveragePOI, |
40 bool hasMixedSamples) const override; | 40 bool hasMixedSamples) const override; |
41 | 41 |
42 bool onIsEqual(const GrXPFactory& xpfBase) const override { | 42 bool onIsEqual(const GrXPFactory& xpfBase) const override { |
43 const GrPDXPFactory& xpf = xpfBase.cast<GrPDXPFactory>(); | 43 const GrPorterDuffXPFactory& xpf = xpfBase.cast<GrPorterDuffXPFactory>()
; |
44 return fXfermode == xpf.fXfermode; | 44 return fXfermode == xpf.fXfermode; |
45 } | 45 } |
46 | 46 |
47 GR_DECLARE_XP_FACTORY_TEST; | 47 GR_DECLARE_XP_FACTORY_TEST; |
48 static void TestGetXPOutputTypes(const GrXferProcessor*, int* outPrimary, in
t* outSecondary); | 48 static void TestGetXPOutputTypes(const GrXferProcessor*, int* outPrimary, in
t* outSecondary); |
49 | 49 |
50 SkXfermode::Mode fXfermode; | 50 SkXfermode::Mode fXfermode; |
51 | 51 |
52 friend class GrPorterDuffTest; // for TestGetXPOutputTypes() | 52 friend class GrPorterDuffTest; // for TestGetXPOutputTypes() |
53 typedef GrXPFactory INHERITED; | 53 typedef GrXPFactory INHERITED; |
54 }; | 54 }; |
55 | 55 |
56 class GrSrcOverPDXPFactory : public GrXPFactory { | |
57 public: | |
58 GrSrcOverPDXPFactory(); | |
59 | |
60 bool supportsRGBCoverage(GrColor /*knownColor*/, uint32_t /*knownColorFlags*
/) const override { | |
61 return true; | |
62 } | |
63 | |
64 void getInvariantBlendedColor(const GrProcOptInfo& colorPOI, | |
65 GrXPFactory::InvariantBlendedColor*) const ove
rride; | |
66 | |
67 private: | |
68 GrXferProcessor* onCreateXferProcessor(const GrCaps& caps, | |
69 const GrProcOptInfo& colorPOI, | |
70 const GrProcOptInfo& coveragePOI, | |
71 bool hasMixedSamples, | |
72 const DstTexture*) const override; | |
73 | |
74 bool willReadDstColor(const GrCaps& caps, | |
75 const GrProcOptInfo& colorPOI, | |
76 const GrProcOptInfo& coveragePOI, | |
77 bool hasMixedSamples) const override; | |
78 | |
79 bool onIsEqual(const GrXPFactory& /*xpfBase*/) const override { | |
80 return true; | |
81 } | |
82 | |
83 GR_DECLARE_XP_FACTORY_TEST; | |
84 | |
85 typedef GrXPFactory INHERITED; | |
86 }; | |
87 | |
88 namespace GrPorterDuffXPFactory { | |
89 const GrSrcOverPDXPFactory gSrcOverPDXPFactory; | |
90 | |
91 inline const GrXPFactory* Create(SkXfermode::Mode mode) { | |
92 if (SkXfermode::kSrcOver_Mode == mode) { | |
93 return SkRef(&gSrcOverPDXPFactory); | |
94 } | |
95 return GrPDXPFactory::Create(mode); | |
96 } | |
97 }; | |
98 | |
99 #endif | 56 #endif |
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