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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 #include "GrGLSLGeometryProcessor.h" | 8 #include "GrGLSLGeometryProcessor.h" |
9 | 9 |
10 #include "GrCoordTransform.h" | 10 #include "GrCoordTransform.h" |
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55 strUniName.c_str(), | 55 strUniName.c_str(), |
56 &uniName).toIndex(); | 56 &uniName).toIndex(); |
57 | 57 |
58 SkString strVaryingName("MatrixCoord"); | 58 SkString strVaryingName("MatrixCoord"); |
59 strVaryingName.appendf("_%i_%i", i, t); | 59 strVaryingName.appendf("_%i_%i", i, t); |
60 | 60 |
61 GrGLSLVertToFrag v(varyingType); | 61 GrGLSLVertToFrag v(varyingType); |
62 varyingHandler->addVarying(strVaryingName.c_str(), &v, precision); | 62 varyingHandler->addVarying(strVaryingName.c_str(), &v, precision); |
63 | 63 |
64 SkASSERT(kVec2f_GrSLType == varyingType || kVec3f_GrSLType == varyin
gType); | 64 SkASSERT(kVec2f_GrSLType == varyingType || kVec3f_GrSLType == varyin
gType); |
65 SkNEW_APPEND_TO_TARRAY(&(*tout)[i], GrGLSLTransformedCoords, | 65 (*tout)[i].emplace_back(SkString(v.fsIn()), varyingType); |
66 (SkString(v.fsIn()), varyingType)); | |
67 | 66 |
68 // varying = matrix * coords (logically) | 67 // varying = matrix * coords (logically) |
69 if (kDevice_GrCoordSet == coordType) { | 68 if (kDevice_GrCoordSet == coordType) { |
70 if (kVec2f_GrSLType == varyingType) { | 69 if (kVec2f_GrSLType == varyingType) { |
71 if (kVec2f_GrSLType == posVar.getType()) { | 70 if (kVec2f_GrSLType == posVar.getType()) { |
72 vb->codeAppendf("%s = (%s * vec3(%s, 1)).xy;", | 71 vb->codeAppendf("%s = (%s * vec3(%s, 1)).xy;", |
73 v.vsOut(), uniName, posVar.c_str()); | 72 v.vsOut(), uniName, posVar.c_str()); |
74 } else { | 73 } else { |
75 // The brackets here are just to scope the temp variable | 74 // The brackets here are just to scope the temp variable |
76 vb->codeAppendf("{ vec3 temp = %s * %s;", uniName, posVa
r.c_str()); | 75 vb->codeAppendf("{ vec3 temp = %s * %s;", uniName, posVa
r.c_str()); |
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110 SkASSERT(kDevice_GrCoordSet != coordTransforms[t]->sourceCoords()); | 109 SkASSERT(kDevice_GrCoordSet != coordTransforms[t]->sourceCoords()); |
111 GrSLPrecision precision = coordTransforms[t]->precision(); | 110 GrSLPrecision precision = coordTransforms[t]->precision(); |
112 | 111 |
113 SkString strVaryingName("MatrixCoord"); | 112 SkString strVaryingName("MatrixCoord"); |
114 strVaryingName.appendf("_%i_%i", i, t); | 113 strVaryingName.appendf("_%i_%i", i, t); |
115 | 114 |
116 GrGLSLVertToFrag v(varyingType); | 115 GrGLSLVertToFrag v(varyingType); |
117 varyingHandler->addVarying(strVaryingName.c_str(), &v, precision); | 116 varyingHandler->addVarying(strVaryingName.c_str(), &v, precision); |
118 vb->codeAppendf("%s = %s;", v.vsOut(), localCoords); | 117 vb->codeAppendf("%s = %s;", v.vsOut(), localCoords); |
119 | 118 |
120 SkNEW_APPEND_TO_TARRAY(&(*tout)[i], | 119 (*tout)[i].emplace_back(SkString(v.fsIn()), varyingType); |
121 GrGLSLTransformedCoords, | |
122 (SkString(v.fsIn()), varyingType)); | |
123 } | 120 } |
124 } | 121 } |
125 } | 122 } |
126 | 123 |
127 void GrGLSLGeometryProcessor::setupPosition(GrGLSLVertexBuilder* vertBuilder, | 124 void GrGLSLGeometryProcessor::setupPosition(GrGLSLVertexBuilder* vertBuilder, |
128 GrGPArgs* gpArgs, | 125 GrGPArgs* gpArgs, |
129 const char* posName) { | 126 const char* posName) { |
130 gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2"); | 127 gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2"); |
131 vertBuilder->codeAppendf("vec2 %s = %s;", gpArgs->fPositionVar.c_str(), posN
ame); | 128 vertBuilder->codeAppendf("vec2 %s = %s;", gpArgs->fPositionVar.c_str(), posN
ame); |
132 } | 129 } |
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150 gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2"); | 147 gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2"); |
151 vertBuilder->codeAppendf("vec2 %s = vec2(%s * vec3(%s, 1));", | 148 vertBuilder->codeAppendf("vec2 %s = vec2(%s * vec3(%s, 1));", |
152 gpArgs->fPositionVar.c_str(), viewMatrixNam
e, posName); | 149 gpArgs->fPositionVar.c_str(), viewMatrixNam
e, posName); |
153 } else { | 150 } else { |
154 gpArgs->fPositionVar.set(kVec3f_GrSLType, "pos3"); | 151 gpArgs->fPositionVar.set(kVec3f_GrSLType, "pos3"); |
155 vertBuilder->codeAppendf("vec3 %s = %s * vec3(%s, 1);", | 152 vertBuilder->codeAppendf("vec3 %s = %s * vec3(%s, 1);", |
156 gpArgs->fPositionVar.c_str(), viewMatrixNam
e, posName); | 153 gpArgs->fPositionVar.c_str(), viewMatrixNam
e, posName); |
157 } | 154 } |
158 } | 155 } |
159 } | 156 } |
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