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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 GrDrawState; | 15 class GrDrawState; |
16 class GrInvariantOutput; | 16 class GrInvariantOutput; |
17 | 17 |
18 class GrPorterDuffXferProcessor : public GrXferProcessor { | 18 class GrPorterDuffXferProcessor : public GrXferProcessor { |
19 public: | 19 public: |
20 static GrXferProcessor* Create(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, | 20 static GrXferProcessor* Create(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, |
21 GrColor constant = 0) { | 21 GrColor constant = 0) { |
22 return SkNEW_ARGS(GrPorterDuffXferProcessor, (srcBlend, dstBlend, consta
nt)); | 22 return SkNEW_ARGS(GrPorterDuffXferProcessor, (srcBlend, dstBlend, consta
nt)); |
23 } | 23 } |
24 | 24 |
25 virtual ~GrPorterDuffXferProcessor(); | 25 virtual ~GrPorterDuffXferProcessor(); |
26 | 26 |
27 virtual const char* name() const { return "Porter Duff"; } | 27 virtual const char* name() const { return "Porter Duff"; } |
28 | 28 |
29 void getGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuilder* b) const
SK_OVERRIDE; | 29 virtual void getGLProcessorKey(const GrGLCaps& caps, |
| 30 GrProcessorKeyBuilder* b) const SK_OVERRIDE; |
30 | 31 |
31 GrGLXferProcessor* createGLInstance() const SK_OVERRIDE; | 32 virtual GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE; |
32 | 33 |
33 virtual bool hasSecondaryOutput() const SK_OVERRIDE; | 34 virtual GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colo
rPOI, |
| 35 const GrProcOptInfo& cove
ragePOI, |
| 36 bool isCoverageDrawing, |
| 37 bool colorWriteDisabled, |
| 38 bool doesStencilWrite, |
| 39 GrColor* color, |
| 40 uint8_t* coverage) SK_OVE
RRIDE; |
34 | 41 |
35 /////////////////////////////////////////////////////////////////////////// | 42 virtual void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const SK_OV
ERRIDE { |
36 /// @name Stage Output Types | |
37 //// | |
38 | |
39 enum SecondaryOutputType { | |
40 // There is no secondary output | |
41 kNone_SecondaryOutputType, | |
42 // Writes coverage as the secondary output. Only set if dual source blen
ding is supported | |
43 // and primary output is kModulate. | |
44 kCoverage_SecondaryOutputType, | |
45 // Writes coverage * (1 - colorA) as the secondary output. Only set if d
ual source blending | |
46 // is supported and primary output is kModulate. | |
47 kCoverageISA_SecondaryOutputType, | |
48 // Writes coverage * (1 - colorRGBA) as the secondary output. Only set i
f dual source | |
49 // blending is supported and primary output is kModulate. | |
50 kCoverageISC_SecondaryOutputType, | |
51 | |
52 kSecondaryOutputTypeCnt, | |
53 }; | |
54 | |
55 SecondaryOutputType secondaryOutputType() const { return fSecondaryOutputTyp
e; } | |
56 | |
57 GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colorPOI, | |
58 const GrProcOptInfo& coveragePOI, | |
59 bool isCoverageDrawing, | |
60 bool colorWriteDisabled, | |
61 bool doesStencilWrite, | |
62 GrColor* color, | |
63 uint8_t* coverage, | |
64 const GrDrawTargetCaps& caps) SK_
OVERRIDE; | |
65 | |
66 void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const SK_OVERRIDE { | |
67 blendInfo->fSrcBlend = fSrcBlend; | 43 blendInfo->fSrcBlend = fSrcBlend; |
68 blendInfo->fDstBlend = fDstBlend; | 44 blendInfo->fDstBlend = fDstBlend; |
69 blendInfo->fBlendConstant = fBlendConstant; | 45 blendInfo->fBlendConstant = fBlendConstant; |
70 } | 46 } |
71 | 47 |
72 private: | 48 private: |
73 GrPorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrCo
lor constant); | 49 GrPorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrCo
lor constant); |
74 | 50 |
75 bool onIsEqual(const GrXferProcessor& xpBase) const SK_OVERRIDE { | 51 virtual bool onIsEqual(const GrFragmentProcessor& fpBase) const SK_OVERRIDE
{ |
76 const GrPorterDuffXferProcessor& xp = xpBase.cast<GrPorterDuffXferProces
sor>(); | 52 const GrPorterDuffXferProcessor& xp = fpBase.cast<GrPorterDuffXferProces
sor>(); |
77 if (fSrcBlend != xp.fSrcBlend || | 53 if (fSrcBlend != xp.fSrcBlend || |
78 fDstBlend != xp.fDstBlend || | 54 fDstBlend != xp.fDstBlend || |
79 fBlendConstant != xp.fBlendConstant || | 55 fBlendConstant != xp.fBlendConstant) { |
80 fSecondaryOutputType != xp.fSecondaryOutputType) { | |
81 return false; | 56 return false; |
82 } | 57 } |
83 return true; | 58 return true; |
84 } | 59 } |
85 | 60 |
86 void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE; | 61 virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVE
RRIDE; |
87 | |
88 GrXferProcessor::OptFlags internalGetOptimizations(const GrProcOptInfo& colo
rPOI, | |
89 const GrProcOptInfo& cove
ragePOI, | |
90 bool isCoverageDrawing, | |
91 bool colorWriteDisabled, | |
92 bool doesStencilWrite, | |
93 GrColor* color, | |
94 uint8_t* coverage); | |
95 | |
96 void calcOutputTypes(GrXferProcessor::OptFlags blendOpts, const GrDrawTarget
Caps& caps, | |
97 bool isCoverageDrawing, bool readDst); | |
98 | 62 |
99 GrBlendCoeff fSrcBlend; | 63 GrBlendCoeff fSrcBlend; |
100 GrBlendCoeff fDstBlend; | 64 GrBlendCoeff fDstBlend; |
101 GrColor fBlendConstant; | 65 GrColor fBlendConstant; |
102 SecondaryOutputType fSecondaryOutputType; | |
103 | 66 |
104 typedef GrXferProcessor INHERITED; | 67 typedef GrXferProcessor INHERITED; |
105 }; | 68 }; |
106 | 69 |
107 /////////////////////////////////////////////////////////////////////////////// | 70 /////////////////////////////////////////////////////////////////////////////// |
108 | 71 |
109 class GrPorterDuffXPFactory : public GrXPFactory { | 72 class GrPorterDuffXPFactory : public GrXPFactory { |
110 public: | 73 public: |
111 static GrXPFactory* Create(SkXfermode::Mode mode); | 74 static GrXPFactory* Create(SkXfermode::Mode mode); |
112 | 75 |
(...skipping 24 matching lines...) Expand all Loading... |
137 uint32_t* solidColorKnownComponents) const SK_OV
ERRIDE; | 100 uint32_t* solidColorKnownComponents) const SK_OV
ERRIDE; |
138 | 101 |
139 private: | 102 private: |
140 GrPorterDuffXPFactory(GrBlendCoeff src, GrBlendCoeff dst); | 103 GrPorterDuffXPFactory(GrBlendCoeff src, GrBlendCoeff dst); |
141 | 104 |
142 bool onIsEqual(const GrXPFactory& xpfBase) const SK_OVERRIDE { | 105 bool onIsEqual(const GrXPFactory& xpfBase) const SK_OVERRIDE { |
143 const GrPorterDuffXPFactory& xpf = xpfBase.cast<GrPorterDuffXPFactory>()
; | 106 const GrPorterDuffXPFactory& xpf = xpfBase.cast<GrPorterDuffXPFactory>()
; |
144 return (fSrcCoeff == xpf.fSrcCoeff && fDstCoeff == xpf.fDstCoeff); | 107 return (fSrcCoeff == xpf.fSrcCoeff && fDstCoeff == xpf.fDstCoeff); |
145 } | 108 } |
146 | 109 |
147 GR_DECLARE_XP_FACTORY_TEST; | |
148 | |
149 GrBlendCoeff fSrcCoeff; | 110 GrBlendCoeff fSrcCoeff; |
150 GrBlendCoeff fDstCoeff; | 111 GrBlendCoeff fDstCoeff; |
151 | 112 |
152 typedef GrXPFactory INHERITED; | 113 typedef GrXPFactory INHERITED; |
153 }; | 114 }; |
154 | 115 |
155 #endif | 116 #endif |
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