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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; | |
16 class GrInvariantOutput; | 15 class GrInvariantOutput; |
| 16 class GrProcOptInfo; |
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 |
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61 kCoverageISC_SecondaryOutputType, | 61 kCoverageISC_SecondaryOutputType, |
62 | 62 |
63 kSecondaryOutputTypeCnt, | 63 kSecondaryOutputTypeCnt, |
64 }; | 64 }; |
65 | 65 |
66 PrimaryOutputType primaryOutputType() const { return fPrimaryOutputType; } | 66 PrimaryOutputType primaryOutputType() const { return fPrimaryOutputType; } |
67 SecondaryOutputType secondaryOutputType() const { return fSecondaryOutputTyp
e; } | 67 SecondaryOutputType secondaryOutputType() const { return fSecondaryOutputTyp
e; } |
68 | 68 |
69 GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colorPOI, | 69 GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colorPOI, |
70 const GrProcOptInfo& coveragePOI, | 70 const GrProcOptInfo& coveragePOI, |
71 bool isCoverageDrawing, | |
72 bool colorWriteDisabled, | 71 bool colorWriteDisabled, |
73 bool doesStencilWrite, | 72 bool doesStencilWrite, |
74 GrColor* overrideColor, | 73 GrColor* overrideColor, |
75 const GrDrawTargetCaps& caps) SK_
OVERRIDE; | 74 const GrDrawTargetCaps& caps) SK_
OVERRIDE; |
76 | 75 |
77 void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const SK_OVERRIDE { | 76 void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const SK_OVERRIDE { |
78 blendInfo->fSrcBlend = fSrcBlend; | 77 blendInfo->fSrcBlend = fSrcBlend; |
79 blendInfo->fDstBlend = fDstBlend; | 78 blendInfo->fDstBlend = fDstBlend; |
80 blendInfo->fBlendConstant = fBlendConstant; | 79 blendInfo->fBlendConstant = fBlendConstant; |
81 } | 80 } |
82 | 81 |
83 private: | 82 private: |
84 GrPorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrCo
lor constant); | 83 GrPorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrCo
lor constant); |
85 | 84 |
86 bool onIsEqual(const GrXferProcessor& xpBase) const SK_OVERRIDE { | 85 bool onIsEqual(const GrXferProcessor& xpBase) const SK_OVERRIDE { |
87 const GrPorterDuffXferProcessor& xp = xpBase.cast<GrPorterDuffXferProces
sor>(); | 86 const GrPorterDuffXferProcessor& xp = xpBase.cast<GrPorterDuffXferProces
sor>(); |
88 if (fSrcBlend != xp.fSrcBlend || | 87 if (fSrcBlend != xp.fSrcBlend || |
89 fDstBlend != xp.fDstBlend || | 88 fDstBlend != xp.fDstBlend || |
90 fBlendConstant != xp.fBlendConstant || | 89 fBlendConstant != xp.fBlendConstant || |
91 fPrimaryOutputType != xp.fPrimaryOutputType || | 90 fPrimaryOutputType != xp.fPrimaryOutputType || |
92 fSecondaryOutputType != xp.fSecondaryOutputType) { | 91 fSecondaryOutputType != xp.fSecondaryOutputType) { |
93 return false; | 92 return false; |
94 } | 93 } |
95 return true; | 94 return true; |
96 } | 95 } |
97 | 96 |
98 void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE; | |
99 | |
100 GrXferProcessor::OptFlags internalGetOptimizations(const GrProcOptInfo& colo
rPOI, | 97 GrXferProcessor::OptFlags internalGetOptimizations(const GrProcOptInfo& colo
rPOI, |
101 const GrProcOptInfo& cove
ragePOI, | 98 const GrProcOptInfo& cove
ragePOI, |
102 bool isCoverageDrawing, | |
103 bool colorWriteDisabled, | 99 bool colorWriteDisabled, |
104 bool doesStencilWrite); | 100 bool doesStencilWrite); |
105 | 101 |
106 void calcOutputTypes(GrXferProcessor::OptFlags blendOpts, const GrDrawTarget
Caps& caps, | 102 void calcOutputTypes(GrXferProcessor::OptFlags blendOpts, const GrDrawTarget
Caps& caps, |
107 bool hasSolidCoverage, bool readDst); | 103 bool hasSolidCoverage, bool readDst); |
108 | 104 |
109 GrBlendCoeff fSrcBlend; | 105 GrBlendCoeff fSrcBlend; |
110 GrBlendCoeff fDstBlend; | 106 GrBlendCoeff fDstBlend; |
111 GrColor fBlendConstant; | 107 GrColor fBlendConstant; |
112 PrimaryOutputType fPrimaryOutputType; | 108 PrimaryOutputType fPrimaryOutputType; |
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128 static GrXPFactory* Create(GrBlendCoeff src, GrBlendCoeff dst) { | 124 static GrXPFactory* Create(GrBlendCoeff src, GrBlendCoeff dst) { |
129 return SkNEW_ARGS(GrPorterDuffXPFactory, (src, dst)); | 125 return SkNEW_ARGS(GrPorterDuffXPFactory, (src, dst)); |
130 } | 126 } |
131 | 127 |
132 GrXferProcessor* createXferProcessor(const GrProcOptInfo& colorPOI, | 128 GrXferProcessor* createXferProcessor(const GrProcOptInfo& colorPOI, |
133 const GrProcOptInfo& coveragePOI) const
SK_OVERRIDE; | 129 const GrProcOptInfo& coveragePOI) const
SK_OVERRIDE; |
134 | 130 |
135 bool supportsRGBCoverage(GrColor knownColor, uint32_t knownColorFlags) const
SK_OVERRIDE; | 131 bool supportsRGBCoverage(GrColor knownColor, uint32_t knownColorFlags) const
SK_OVERRIDE; |
136 | 132 |
137 bool canApplyCoverage(const GrProcOptInfo& colorPOI, const GrProcOptInfo& co
veragePOI, | 133 bool canApplyCoverage(const GrProcOptInfo& colorPOI, const GrProcOptInfo& co
veragePOI, |
138 bool isCoverageDrawing, bool colorWriteDisabled) const
SK_OVERRIDE; | 134 bool colorWriteDisabled) const SK_OVERRIDE; |
139 | 135 |
140 bool willBlendWithDst(const GrProcOptInfo& colorPOI, const GrProcOptInfo& co
veragePOI, | 136 bool willBlendWithDst(const GrProcOptInfo& colorPOI, const GrProcOptInfo& co
veragePOI, |
141 bool isCoverageDrawing, bool colorWriteDisabled) const
SK_OVERRIDE; | 137 bool colorWriteDisabled) const SK_OVERRIDE; |
142 | 138 |
143 bool canTweakAlphaForCoverage(bool isCoverageDrawing) const SK_OVERRIDE; | 139 bool canTweakAlphaForCoverage() const SK_OVERRIDE; |
144 | 140 |
145 bool getOpaqueAndKnownColor(const GrProcOptInfo& colorPOI, | 141 bool getOpaqueAndKnownColor(const GrProcOptInfo& colorPOI, |
146 const GrProcOptInfo& coveragePOI, | 142 const GrProcOptInfo& coveragePOI, |
147 GrColor* solidColor, | 143 GrColor* solidColor, |
148 uint32_t* solidColorKnownComponents) const SK_OV
ERRIDE; | 144 uint32_t* solidColorKnownComponents) const SK_OV
ERRIDE; |
149 | 145 |
150 private: | 146 private: |
151 GrPorterDuffXPFactory(GrBlendCoeff src, GrBlendCoeff dst); | 147 GrPorterDuffXPFactory(GrBlendCoeff src, GrBlendCoeff dst); |
152 | 148 |
153 bool onIsEqual(const GrXPFactory& xpfBase) const SK_OVERRIDE { | 149 bool onIsEqual(const GrXPFactory& xpfBase) const SK_OVERRIDE { |
154 const GrPorterDuffXPFactory& xpf = xpfBase.cast<GrPorterDuffXPFactory>()
; | 150 const GrPorterDuffXPFactory& xpf = xpfBase.cast<GrPorterDuffXPFactory>()
; |
155 return (fSrcCoeff == xpf.fSrcCoeff && fDstCoeff == xpf.fDstCoeff); | 151 return (fSrcCoeff == xpf.fSrcCoeff && fDstCoeff == xpf.fDstCoeff); |
156 } | 152 } |
157 | 153 |
158 GR_DECLARE_XP_FACTORY_TEST; | 154 GR_DECLARE_XP_FACTORY_TEST; |
159 | 155 |
160 GrBlendCoeff fSrcCoeff; | 156 GrBlendCoeff fSrcCoeff; |
161 GrBlendCoeff fDstCoeff; | 157 GrBlendCoeff fDstCoeff; |
162 | 158 |
163 typedef GrXPFactory INHERITED; | 159 typedef GrXPFactory INHERITED; |
164 }; | 160 }; |
165 | 161 |
166 #endif | 162 #endif |
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