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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 |
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30 | 30 |
31 GrGLXferProcessor* createGLInstance() const SK_OVERRIDE; | 31 GrGLXferProcessor* createGLInstance() const SK_OVERRIDE; |
32 | 32 |
33 virtual bool hasSecondaryOutput() const SK_OVERRIDE; | 33 virtual bool hasSecondaryOutput() const SK_OVERRIDE; |
34 | 34 |
35 /////////////////////////////////////////////////////////////////////////// | 35 /////////////////////////////////////////////////////////////////////////// |
36 /// @name Stage Output Types | 36 /// @name Stage Output Types |
37 //// | 37 //// |
38 | 38 |
39 enum PrimaryOutputType { | 39 enum PrimaryOutputType { |
| 40 kNone_PrimaryOutputType, |
| 41 kColor_PrimaryOutputType, |
| 42 kCoverage_PrimaryOutputType, |
40 // Modulate color and coverage, write result as the color output. | 43 // Modulate color and coverage, write result as the color output. |
41 kModulate_PrimaryOutputType, | 44 kModulate_PrimaryOutputType, |
42 // Combines the coverage, dst, and color as coverage * color + (1 - cove
rage) * dst. This | 45 // Combines the coverage, dst, and color as coverage * color + (1 - cove
rage) * dst. This |
43 // can only be set if fDstReadKey is non-zero. | 46 // can only be set if fDstReadKey is non-zero. |
44 kCombineWithDst_PrimaryOutputType, | 47 kCombineWithDst_PrimaryOutputType, |
45 }; | 48 }; |
46 | 49 |
47 enum SecondaryOutputType { | 50 enum SecondaryOutputType { |
48 // There is no secondary output | 51 // There is no secondary output |
49 kNone_SecondaryOutputType, | 52 kNone_SecondaryOutputType, |
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61 }; | 64 }; |
62 | 65 |
63 PrimaryOutputType primaryOutputType() const { return fPrimaryOutputType; } | 66 PrimaryOutputType primaryOutputType() const { return fPrimaryOutputType; } |
64 SecondaryOutputType secondaryOutputType() const { return fSecondaryOutputTyp
e; } | 67 SecondaryOutputType secondaryOutputType() const { return fSecondaryOutputTyp
e; } |
65 | 68 |
66 GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colorPOI, | 69 GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colorPOI, |
67 const GrProcOptInfo& coveragePOI, | 70 const GrProcOptInfo& coveragePOI, |
68 bool isCoverageDrawing, | 71 bool isCoverageDrawing, |
69 bool colorWriteDisabled, | 72 bool colorWriteDisabled, |
70 bool doesStencilWrite, | 73 bool doesStencilWrite, |
71 GrColor* color, | 74 GrColor* overrideColor, |
72 uint8_t* coverage, | |
73 const GrDrawTargetCaps& caps) SK_
OVERRIDE; | 75 const GrDrawTargetCaps& caps) SK_
OVERRIDE; |
74 | 76 |
75 void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const SK_OVERRIDE { | 77 void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const SK_OVERRIDE { |
76 blendInfo->fSrcBlend = fSrcBlend; | 78 blendInfo->fSrcBlend = fSrcBlend; |
77 blendInfo->fDstBlend = fDstBlend; | 79 blendInfo->fDstBlend = fDstBlend; |
78 blendInfo->fBlendConstant = fBlendConstant; | 80 blendInfo->fBlendConstant = fBlendConstant; |
79 } | 81 } |
80 | 82 |
81 private: | 83 private: |
82 GrPorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrCo
lor constant); | 84 GrPorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrCo
lor constant); |
83 | 85 |
84 bool onIsEqual(const GrXferProcessor& xpBase) const SK_OVERRIDE { | 86 bool onIsEqual(const GrXferProcessor& xpBase) const SK_OVERRIDE { |
85 const GrPorterDuffXferProcessor& xp = xpBase.cast<GrPorterDuffXferProces
sor>(); | 87 const GrPorterDuffXferProcessor& xp = xpBase.cast<GrPorterDuffXferProces
sor>(); |
86 if (fSrcBlend != xp.fSrcBlend || | 88 if (fSrcBlend != xp.fSrcBlend || |
87 fDstBlend != xp.fDstBlend || | 89 fDstBlend != xp.fDstBlend || |
88 fBlendConstant != xp.fBlendConstant || | 90 fBlendConstant != xp.fBlendConstant || |
89 fPrimaryOutputType != xp.fPrimaryOutputType || | 91 fPrimaryOutputType != xp.fPrimaryOutputType || |
90 fSecondaryOutputType != xp.fSecondaryOutputType) { | 92 fSecondaryOutputType != xp.fSecondaryOutputType) { |
91 return false; | 93 return false; |
92 } | 94 } |
93 return true; | 95 return true; |
94 } | 96 } |
95 | 97 |
96 void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE; | 98 void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE; |
97 | 99 |
98 GrXferProcessor::OptFlags internalGetOptimizations(const GrProcOptInfo& colo
rPOI, | 100 GrXferProcessor::OptFlags internalGetOptimizations(const GrProcOptInfo& colo
rPOI, |
99 const GrProcOptInfo& cove
ragePOI, | 101 const GrProcOptInfo& cove
ragePOI, |
100 bool isCoverageDrawing, | 102 bool isCoverageDrawing, |
101 bool colorWriteDisabled, | 103 bool colorWriteDisabled, |
102 bool doesStencilWrite, | 104 bool doesStencilWrite); |
103 GrColor* color, | |
104 uint8_t* coverage); | |
105 | 105 |
106 void calcOutputTypes(GrXferProcessor::OptFlags blendOpts, const GrDrawTarget
Caps& caps, | 106 void calcOutputTypes(GrXferProcessor::OptFlags blendOpts, const GrDrawTarget
Caps& caps, |
107 bool hasSolidCoverage, bool readDst); | 107 bool hasSolidCoverage, bool readDst); |
108 | 108 |
109 GrBlendCoeff fSrcBlend; | 109 GrBlendCoeff fSrcBlend; |
110 GrBlendCoeff fDstBlend; | 110 GrBlendCoeff fDstBlend; |
111 GrColor fBlendConstant; | 111 GrColor fBlendConstant; |
112 PrimaryOutputType fPrimaryOutputType; | 112 PrimaryOutputType fPrimaryOutputType; |
113 SecondaryOutputType fSecondaryOutputType; | 113 SecondaryOutputType fSecondaryOutputType; |
114 | 114 |
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157 | 157 |
158 GR_DECLARE_XP_FACTORY_TEST; | 158 GR_DECLARE_XP_FACTORY_TEST; |
159 | 159 |
160 GrBlendCoeff fSrcCoeff; | 160 GrBlendCoeff fSrcCoeff; |
161 GrBlendCoeff fDstCoeff; | 161 GrBlendCoeff fDstCoeff; |
162 | 162 |
163 typedef GrXPFactory INHERITED; | 163 typedef GrXPFactory INHERITED; |
164 }; | 164 }; |
165 | 165 |
166 #endif | 166 #endif |
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