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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 GrDefaultGeoProcFactory_DEFINED | 8 #ifndef GrDefaultGeoProcFactory_DEFINED |
9 #define GrDefaultGeoProcFactory_DEFINED | 9 #define GrDefaultGeoProcFactory_DEFINED |
10 | 10 |
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66 }; | 66 }; |
67 | 67 |
68 enum GPType { | 68 enum GPType { |
69 kPosition_GPType = 0x0, // we ALWAYS have position | 69 kPosition_GPType = 0x0, // we ALWAYS have position |
70 kColor_GPType = 0x01, | 70 kColor_GPType = 0x01, |
71 kLocalCoord_GPType = 0x02, | 71 kLocalCoord_GPType = 0x02, |
72 kCoverage_GPType= 0x04, | 72 kCoverage_GPType= 0x04, |
73 kLastGPType = kCoverage_GPType | 73 kLastGPType = kCoverage_GPType |
74 }; | 74 }; |
75 | 75 |
| 76 struct Color { |
| 77 enum Type { |
| 78 kNone_Type, |
| 79 kUniform_Type, |
| 80 kAttribute_Type, |
| 81 }; |
| 82 Color(GrColor color) : fType(kUniform_Type), fColor(color) {} |
| 83 Color(Type type) : fType(type), fColor(GrColor_ILLEGAL) { |
| 84 SkASSERT(type != kUniform_Type); |
| 85 |
| 86 // TODO This is temporary |
| 87 if (kAttribute_Type == type) { |
| 88 fColor = GrColor_WHITE; |
| 89 } |
| 90 } |
| 91 |
| 92 Type fType; |
| 93 GrColor fColor; |
| 94 }; |
| 95 |
| 96 struct Coverage { |
| 97 enum Type { |
| 98 kNone_Type, |
| 99 kSolid_Type, |
| 100 kUniform_Type, |
| 101 kAttribute_Type, |
| 102 }; |
| 103 Coverage(uint8_t coverage) : fType(kUniform_Type), fCoverage(coverage) {
} |
| 104 Coverage(Type type) : fType(type), fCoverage(0xff) { |
| 105 SkASSERT(type != kUniform_Type); |
| 106 } |
| 107 |
| 108 Type fType; |
| 109 uint8_t fCoverage; |
| 110 }; |
| 111 |
| 112 struct LocalCoords { |
| 113 enum Type { |
| 114 kNone_Type, |
| 115 kUsePosition_Type, |
| 116 kHasExplicit_Type, |
| 117 }; |
| 118 }; |
| 119 |
| 120 static const GrGeometryProcessor* Create(const Color&, |
| 121 const Coverage&, |
| 122 LocalCoords::Type, |
| 123 const SkMatrix& viewMatrix = SkMatr
ix::I(), |
| 124 const SkMatrix& localMatrix = SkMat
rix::I()); |
| 125 |
76 /* | 126 /* |
77 * The following functions are used to create default GPs. If you just need
to create | 127 * The following functions are used to create default GPs. If you just need
to create |
78 * attributes separately from creating the default GP, use the SetAttribs fu
nction followed | 128 * attributes separately from creating the default GP, use the SetAttribs fu
nction followed |
79 * by the Create function. Otherwise use CreateAndSetAttribs to do both at o
nce. | 129 * by the Create function. Otherwise use CreateAndSetAttribs to do both at o
nce. |
80 * | 130 * |
81 * You must unref the return from Create. | 131 * You must unref the return from Create. |
82 */ | 132 */ |
83 // TODO clean this up | 133 // TODO clean this up |
84 static const GrGeometryProcessor* Create(uint32_t gpTypeFlags, | 134 static const GrGeometryProcessor* Create(uint32_t gpTypeFlags, |
85 GrColor, | 135 GrColor, |
86 bool localCoordsWillBeRead, | 136 bool localCoordsWillBeRead, |
87 bool coverageWillBeIgnored, | 137 bool coverageWillBeIgnored, |
88 const SkMatrix& viewMatrix = SkMatr
ix::I(), | 138 const SkMatrix& viewMatrix = SkMatr
ix::I(), |
89 const SkMatrix& localMatrix = SkMat
rix::I(), | 139 const SkMatrix& localMatrix = SkMat
rix::I(), |
90 uint8_t coverage = 0xff); | 140 uint8_t coverage = 0xff); |
91 | 141 |
92 static size_t DefaultVertexStride() { return sizeof(PositionAttr); } | 142 static size_t DefaultVertexStride() { return sizeof(PositionAttr); } |
93 }; | 143 }; |
94 | 144 |
95 #endif | 145 #endif |
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