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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 GrGLVertexShader_DEFINED | 8 #ifndef GrGLVertexShader_DEFINED |
9 #define GrGLVertexShader_DEFINED | 9 #define GrGLVertexShader_DEFINED |
10 | 10 |
11 #include "GrGLShaderBuilder.h" | 11 #include "GrGLShaderBuilder.h" |
12 | 12 |
13 class GrGLVarying; | 13 class GrGLVarying; |
14 | 14 |
15 class GrGLVertexBuilder : public GrGLShaderBuilder { | 15 class GrGLVertexBuilder : public GrGLShaderBuilder { |
16 public: | 16 public: |
17 GrGLVertexBuilder(GrGLProgramBuilder* program); | 17 GrGLVertexBuilder(GrGLProgramBuilder* program); |
18 | 18 |
19 /** returns the expected position output */ | 19 void transformToNormalizedDeviceSpace(const char* pos3); |
20 const char* glPosition() const { return "pos3"; } | 20 void emitAttributes(const GrGeometryProcessor& gp); |
21 const char* positionCoords() const { return "position"; } | |
22 const char* localCoords() const { return "localCoords"; } | |
23 | 21 |
24 void addAttribute(const GrGeometryProcessor::GrAttribute* attr) { | 22 void addAttribute(const GrGeometryProcessor::GrAttribute* attr) { |
25 this->addAttribute(GrShaderVar(attr->fName, | 23 this->addAttribute(GrShaderVar(attr->fName, |
26 GrVertexAttribTypeToSLType(attr->fType), | 24 GrVertexAttribTypeToSLType(attr->fType), |
27 GrShaderVar::kAttribute_TypeModifier)); | 25 GrShaderVar::kAttribute_TypeModifier)); |
28 } | 26 } |
29 | 27 |
30 private: | 28 private: |
31 /* | 29 /* |
32 * Internal call for GrGLProgramBuilder.addVarying | 30 * Internal call for GrGLProgramBuilder.addVarying |
33 */ | 31 */ |
34 void addVarying(const char* name, GrGLVarying*); | 32 void addVarying(const char* name, GrGLVarying*); |
35 | 33 |
36 /* | 34 /* |
37 * private helpers for compilation by GrGLProgramBuilder | 35 * private helpers for compilation by GrGLProgramBuilder |
38 */ | 36 */ |
39 void transformToNormalizedDeviceSpace(); | |
40 void emitAttributes(const GrGeometryProcessor& gp); | |
41 void bindVertexAttributes(GrGLuint programID); | 37 void bindVertexAttributes(GrGLuint programID); |
42 bool compileAndAttachShaders(GrGLuint programId, SkTDArray<GrGLuint>* shader
Ids) const; | 38 bool compileAndAttachShaders(GrGLuint programId, SkTDArray<GrGLuint>* shader
Ids) const; |
43 | 39 |
44 // an internal call which checks for uniquness of a var before adding it to
the list of inputs | 40 // an internal call which checks for uniquness of a var before adding it to
the list of inputs |
45 bool addAttribute(const GrShaderVar& var); | 41 bool addAttribute(const GrShaderVar& var); |
46 | 42 |
47 const char* fRtAdjustName; | 43 const char* fRtAdjustName; |
48 | 44 |
49 friend class GrGLProgramBuilder; | 45 friend class GrGLProgramBuilder; |
50 | 46 |
51 typedef GrGLShaderBuilder INHERITED; | 47 typedef GrGLShaderBuilder INHERITED; |
52 }; | 48 }; |
53 | 49 |
54 #endif | 50 #endif |
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