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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 GrGLProgramDataManager_DEFINED | 8 #ifndef GrGLProgramDataManager_DEFINED |
9 #define GrGLProgramDataManager_DEFINED | 9 #define GrGLProgramDataManager_DEFINED |
10 | 10 |
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49 bool operator==(const UniformHandle& other) const { return other.fValue
== fValue; } | 49 bool operator==(const UniformHandle& other) const { return other.fValue
== fValue; } |
50 private: | 50 private: |
51 UniformHandle(int value) : ShaderResourceHandle(value) { } | 51 UniformHandle(int value) : ShaderResourceHandle(value) { } |
52 int toProgramDataIndex() const { SkASSERT(isValid()); return fValue; } | 52 int toProgramDataIndex() const { SkASSERT(isValid()); return fValue; } |
53 int toShaderBuilderIndex() const { return toProgramDataIndex(); } | 53 int toShaderBuilderIndex() const { return toProgramDataIndex(); } |
54 | 54 |
55 friend class GrGLProgramDataManager; // For accessing toProgramDataIndex
(). | 55 friend class GrGLProgramDataManager; // For accessing toProgramDataIndex
(). |
56 friend class GrGLProgramBuilder; // For accessing toShaderBuilderIndex()
. | 56 friend class GrGLProgramBuilder; // For accessing toShaderBuilderIndex()
. |
57 }; | 57 }; |
58 | 58 |
59 struct UniformInfo { | 59 class VaryingHandle : public ShaderResourceHandle { |
60 GrGLShaderVar fVariable; | 60 public: |
61 uint32_t fVisibility; | 61 /** Creates a reference to a varying in separable varyings of a GrGLShad
erBuilder. |
62 GrGLint fLocation; | 62 * The ref can be used to set the varying with the corresponding GrGLPro
gramDataManager.*/ |
| 63 static VaryingHandle CreateFromSeparableVaryingIndex(int i) { |
| 64 return VaryingHandle(i); |
| 65 } |
| 66 VaryingHandle() { } |
| 67 bool operator==(const VaryingHandle& other) const { return other.fValue
== fValue; } |
| 68 private: |
| 69 VaryingHandle(int value) : ShaderResourceHandle(value) { } |
| 70 int toProgramDataIndex() const { SkASSERT(isValid()); return fValue; } |
| 71 friend class GrGLProgramDataManager; // For accessing toProgramDataIndex
(). |
63 }; | 72 }; |
64 | 73 |
65 // This uses an allocator rather than array so that the GrGLShaderVars don't
move in memory | 74 GrGLProgramDataManager(GrGpuGL*, GrGLProgram*, const GrGLProgramBuilder&); |
66 // after they are inserted. Users of GrGLShaderBuilder get refs to the vars
and ptrs to their | |
67 // name strings. Otherwise, we'd have to hand out copies. | |
68 typedef GrTAllocator<UniformInfo> UniformInfoArray; | |
69 | |
70 GrGLProgramDataManager(GrGpuGL*, const UniformInfoArray&); | |
71 | 75 |
72 /** Functions for uploading uniform values. The varities ending in v can be
used to upload to an | 76 /** Functions for uploading uniform values. The varities ending in v can be
used to upload to an |
73 * array of uniforms. arrayCount must be <= the array count of the uniform. | 77 * array of uniforms. arrayCount must be <= the array count of the uniform. |
74 */ | 78 */ |
75 void setSampler(UniformHandle, GrGLint texUnit) const; | 79 void setSampler(UniformHandle, GrGLint texUnit) const; |
76 void set1f(UniformHandle, GrGLfloat v0) const; | 80 void set1f(UniformHandle, GrGLfloat v0) const; |
77 void set1fv(UniformHandle, int arrayCount, const GrGLfloat v[]) const; | 81 void set1fv(UniformHandle, int arrayCount, const GrGLfloat v[]) const; |
78 void set2f(UniformHandle, GrGLfloat, GrGLfloat) const; | 82 void set2f(UniformHandle, GrGLfloat, GrGLfloat) const; |
79 void set2fv(UniformHandle, int arrayCount, const GrGLfloat v[]) const; | 83 void set2fv(UniformHandle, int arrayCount, const GrGLfloat v[]) const; |
80 void set3f(UniformHandle, GrGLfloat, GrGLfloat, GrGLfloat) const; | 84 void set3f(UniformHandle, GrGLfloat, GrGLfloat, GrGLfloat) const; |
81 void set3fv(UniformHandle, int arrayCount, const GrGLfloat v[]) const; | 85 void set3fv(UniformHandle, int arrayCount, const GrGLfloat v[]) const; |
82 void set4f(UniformHandle, GrGLfloat, GrGLfloat, GrGLfloat, GrGLfloat) const; | 86 void set4f(UniformHandle, GrGLfloat, GrGLfloat, GrGLfloat, GrGLfloat) const; |
83 void set4fv(UniformHandle, int arrayCount, const GrGLfloat v[]) const; | 87 void set4fv(UniformHandle, int arrayCount, const GrGLfloat v[]) const; |
84 // matrices are column-major, the first three upload a single matrix, the la
tter three upload | 88 // matrices are column-major, the first three upload a single matrix, the la
tter three upload |
85 // arrayCount matrices into a uniform array. | 89 // arrayCount matrices into a uniform array. |
86 void setMatrix3f(UniformHandle, const GrGLfloat matrix[]) const; | 90 void setMatrix3f(UniformHandle, const GrGLfloat matrix[]) const; |
87 void setMatrix4f(UniformHandle, const GrGLfloat matrix[]) const; | 91 void setMatrix4f(UniformHandle, const GrGLfloat matrix[]) const; |
88 void setMatrix3fv(UniformHandle, int arrayCount, const GrGLfloat matrices[])
const; | 92 void setMatrix3fv(UniformHandle, int arrayCount, const GrGLfloat matrices[])
const; |
89 void setMatrix4fv(UniformHandle, int arrayCount, const GrGLfloat matrices[])
const; | 93 void setMatrix4fv(UniformHandle, int arrayCount, const GrGLfloat matrices[])
const; |
90 | 94 |
91 // convenience method for uploading a SkMatrix to a 3x3 matrix uniform | 95 // convenience method for uploading a SkMatrix to a 3x3 matrix uniform |
92 void setSkMatrix(UniformHandle, const SkMatrix&) const; | 96 void setSkMatrix(UniformHandle, const SkMatrix&) const; |
93 | 97 |
| 98 void setProgramPathFragmentInputTransform(VaryingHandle i, |
| 99 unsigned components, |
| 100 const SkMatrix& matrix) const; |
| 101 |
94 private: | 102 private: |
95 enum { | 103 enum { |
96 kUnusedUniform = -1, | 104 kUnusedUniform = -1, |
97 }; | 105 }; |
98 | 106 |
99 struct Uniform { | 107 struct Uniform { |
100 GrGLint fVSLocation; | 108 GrGLint fVSLocation; |
101 GrGLint fFSLocation; | 109 GrGLint fFSLocation; |
102 SkDEBUGCODE( | 110 SkDEBUGCODE( |
103 GrSLType fType; | 111 GrSLType fType; |
104 int fArrayCount; | 112 int fArrayCount; |
105 ); | 113 ); |
106 }; | 114 }; |
| 115 struct Varying { |
| 116 GrGLint fLocation; |
| 117 SkDEBUGCODE( |
| 118 GrSLType fType; |
| 119 ); |
| 120 }; |
107 | 121 |
108 SkTArray<Uniform, true> fUniforms; | 122 SkTArray<Uniform, true> fUniforms; |
| 123 SkTArray<Varying, true> fVaryings; |
109 GrGpuGL* fGpu; | 124 GrGpuGL* fGpu; |
| 125 GrGLProgram* fProgram; |
110 | 126 |
111 typedef SkRefCnt INHERITED; | 127 typedef SkRefCnt INHERITED; |
112 }; | 128 }; |
| 129 |
113 #endif | 130 #endif |
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