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1 /* | |
2 * Copyright 2014 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #ifndef GrGLVertexShader_DEFINED | |
9 #define GrGLVertexShader_DEFINED | |
10 | |
11 #include "GrGLShaderBuilder.h" | |
12 #include "GrGeometryProcessor.h" | |
13 | |
14 class GrGLSLVarying; | |
15 | |
16 class GrGLVertexBuilder : public GrGLShaderBuilder { | |
17 public: | |
18 GrGLVertexBuilder(GrGLSLProgramBuilder* program); | |
19 | |
20 void transformToNormalizedDeviceSpace(const GrShaderVar& posVar); | |
21 void emitAttributes(const GrGeometryProcessor& gp); | |
22 | |
23 void addAttribute(const GrGeometryProcessor::Attribute* attr) { | |
24 this->addAttribute(GrShaderVar(attr->fName, | |
25 GrVertexAttribTypeToSLType(attr->fType), | |
26 GrShaderVar::kAttribute_TypeModifier, | |
27 GrShaderVar::kNonArray, | |
28 attr->fPrecision)); | |
29 } | |
30 | |
31 private: | |
32 /* | |
33 * Internal call for GrGLProgramBuilder.addVarying | |
34 */ | |
35 void addVarying(const char* name, GrSLPrecision, GrGLSLVarying*); | |
36 | |
37 // an internal call which checks for uniquness of a var before adding it to
the list of inputs | |
38 bool addAttribute(const GrShaderVar& var); | |
39 | |
40 void onFinalize() override {} | |
41 | |
42 const char* fRtAdjustName; | |
43 | |
44 friend class GrGLProgramBuilder; | |
45 | |
46 typedef GrGLShaderBuilder INHERITED; | |
47 }; | |
48 | |
49 #endif | |
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