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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 "GrGLGeometryProcessor.h" | 8 #include "GrGLGeometryProcessor.h" |
9 | 9 |
10 #include "builders/GrGLProgramBuilder.h" | 10 #include "builders/GrGLProgramBuilder.h" |
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82 if (kVec2f_GrSLType == varyingType) { | 82 if (kVec2f_GrSLType == varyingType) { |
83 vb->codeAppendf("%s = (%s * vec3(%s, 1)).xy;", v.vsOut(), un
iName, localCoords); | 83 vb->codeAppendf("%s = (%s * vec3(%s, 1)).xy;", v.vsOut(), un
iName, localCoords); |
84 } else { | 84 } else { |
85 vb->codeAppendf("%s = %s * vec3(%s, 1);", v.vsOut(), uniName
, localCoords); | 85 vb->codeAppendf("%s = %s * vec3(%s, 1);", v.vsOut(), uniName
, localCoords); |
86 } | 86 } |
87 } | 87 } |
88 } | 88 } |
89 } | 89 } |
90 } | 90 } |
91 | 91 |
92 void | |
93 GrGLGeometryProcessor::setTransformData(const GrPrimitiveProcessor& primProc, | |
94 const GrGLProgramDataManager& pdman, | |
95 int index, | |
96 const SkTArray<const GrCoordTransform*,
true>& transforms) { | |
97 SkSTArray<2, Transform, true>& procTransforms = fInstalledTransforms[index]; | |
98 int numTransforms = transforms.count(); | |
99 for (int t = 0; t < numTransforms; ++t) { | |
100 SkASSERT(procTransforms[t].fHandle.isValid()); | |
101 const SkMatrix& transform = GetTransformMatrix(primProc.localMatrix(), *
transforms[t]); | |
102 if (!procTransforms[t].fCurrentValue.cheapEqualTo(transform)) { | |
103 pdman.setSkMatrix(procTransforms[t].fHandle.convertToUniformHandle()
, transform); | |
104 procTransforms[t].fCurrentValue = transform; | |
105 } | |
106 } | |
107 } | |
108 | |
109 void GrGLGeometryProcessor::setupPosition(GrGLGPBuilder* pb, | 92 void GrGLGeometryProcessor::setupPosition(GrGLGPBuilder* pb, |
110 GrGPArgs* gpArgs, | 93 GrGPArgs* gpArgs, |
111 const char* posName, | 94 const char* posName, |
112 const SkMatrix& mat) { | 95 const SkMatrix& mat) { |
113 GrGLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder(); | 96 GrGLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder(); |
114 if (mat.isIdentity()) { | 97 if (mat.isIdentity()) { |
115 gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2"); | 98 gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2"); |
116 | 99 |
117 vsBuilder->codeAppendf("vec2 %s = %s;", gpArgs->fPositionVar.c_str(), po
sName); | 100 vsBuilder->codeAppendf("vec2 %s = %s;", gpArgs->fPositionVar.c_str(), po
sName); |
118 } else if (!mat.hasPerspective()) { | 101 } else if (!mat.hasPerspective()) { |
119 this->addUniformViewMatrix(pb); | 102 this->addUniformViewMatrix(pb); |
120 gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2"); | 103 gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2"); |
121 | 104 |
122 vsBuilder->codeAppendf("vec2 %s = vec2(%s * vec3(%s, 1));", | 105 vsBuilder->codeAppendf("vec2 %s = vec2(%s * vec3(%s, 1));", |
123 gpArgs->fPositionVar.c_str(), this->uViewM(), pos
Name); | 106 gpArgs->fPositionVar.c_str(), this->uViewM(), pos
Name); |
124 } else { | 107 } else { |
125 this->addUniformViewMatrix(pb); | 108 this->addUniformViewMatrix(pb); |
126 gpArgs->fPositionVar.set(kVec3f_GrSLType, "pos3"); | 109 gpArgs->fPositionVar.set(kVec3f_GrSLType, "pos3"); |
127 | 110 |
128 vsBuilder->codeAppendf("vec3 %s = %s * vec3(%s, 1);", | 111 vsBuilder->codeAppendf("vec3 %s = %s * vec3(%s, 1);", |
129 gpArgs->fPositionVar.c_str(), this->uViewM(), pos
Name); | 112 gpArgs->fPositionVar.c_str(), this->uViewM(), pos
Name); |
130 } | 113 } |
131 } | 114 } |
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