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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 |
| 11 #include "glsl/GrGLSLProgramDataManager.h" |
| 12 |
11 #include "GrAllocator.h" | 13 #include "GrAllocator.h" |
12 #include "gl/GrGLTypes.h" | 14 #include "gl/GrGLTypes.h" |
13 #include "glsl/GrGLSLShaderVar.h" | 15 #include "glsl/GrGLSLShaderVar.h" |
14 | 16 |
15 #include "SkTArray.h" | 17 #include "SkTArray.h" |
16 | 18 |
17 class GrGLGpu; | 19 class GrGLGpu; |
18 class SkMatrix; | 20 class SkMatrix; |
19 class GrGLProgram; | 21 class GrGLProgram; |
20 class GrGLProgramBuilder; | 22 class GrGLProgramBuilder; |
21 | 23 |
22 /** Manages the resources used by a shader program. | 24 /** Manages the resources used by a shader program. |
23 * The resources are objects the program uses to communicate with the | 25 * The resources are objects the program uses to communicate with the |
24 * application code. | 26 * application code. |
25 */ | 27 */ |
26 class GrGLProgramDataManager : SkNoncopyable { | 28 class GrGLProgramDataManager : public GrGLSLProgramDataManager { |
27 public: | 29 public: |
28 // Opaque handle to a resource | |
29 class ShaderResourceHandle { | |
30 public: | |
31 ShaderResourceHandle(int value) | |
32 : fValue(value) { | |
33 SkASSERT(this->isValid()); | |
34 } | |
35 | |
36 ShaderResourceHandle() | |
37 : fValue(kInvalid_ShaderResourceHandle) { | |
38 } | |
39 | |
40 bool operator==(const ShaderResourceHandle& other) const { return other.
fValue == fValue; } | |
41 bool isValid() const { return kInvalid_ShaderResourceHandle != fValue; } | |
42 int toIndex() const { SkASSERT(this->isValid()); return fValue; } | |
43 | |
44 private: | |
45 static const int kInvalid_ShaderResourceHandle = -1; | |
46 int fValue; | |
47 }; | |
48 | |
49 typedef ShaderResourceHandle UniformHandle; | |
50 | |
51 struct UniformInfo { | 30 struct UniformInfo { |
52 GrGLSLShaderVar fVariable; | 31 GrGLSLShaderVar fVariable; |
53 uint32_t fVisibility; | 32 uint32_t fVisibility; |
54 GrGLint fLocation; | 33 GrGLint fLocation; |
55 }; | 34 }; |
56 | 35 |
57 struct SeparableVaryingInfo { | 36 struct SeparableVaryingInfo { |
58 GrGLSLShaderVar fVariable; | 37 GrGLSLShaderVar fVariable; |
59 GrGLint fLocation; | 38 GrGLint fLocation; |
60 }; | 39 }; |
61 | 40 |
62 // This uses an allocator rather than array so that the GrGLSLShaderVars don
't move in memory | 41 // This uses an allocator rather than array so that the GrGLSLShaderVars don
't move in memory |
63 // after they are inserted. Users of GrGLShaderBuilder get refs to the vars
and ptrs to their | 42 // after they are inserted. Users of GrGLShaderBuilder get refs to the vars
and ptrs to their |
64 // name strings. Otherwise, we'd have to hand out copies. | 43 // name strings. Otherwise, we'd have to hand out copies. |
65 typedef GrTAllocator<UniformInfo> UniformInfoArray; | 44 typedef GrTAllocator<UniformInfo> UniformInfoArray; |
66 typedef GrTAllocator<SeparableVaryingInfo> SeparableVaryingInfoArray; | 45 typedef GrTAllocator<SeparableVaryingInfo> SeparableVaryingInfoArray; |
67 | 46 |
68 GrGLProgramDataManager(GrGLGpu*, GrGLuint programID, const UniformInfoArray&
, | 47 GrGLProgramDataManager(GrGLGpu*, GrGLuint programID, const UniformInfoArray&
, |
69 const SeparableVaryingInfoArray&); | 48 const SeparableVaryingInfoArray&); |
70 | 49 |
71 /** Functions for uploading uniform values. The varities ending in v can be
used to upload to an | 50 /** Functions for uploading uniform values. The varities ending in v can be
used to upload to an |
72 * array of uniforms. arrayCount must be <= the array count of the uniform. | 51 * array of uniforms. arrayCount must be <= the array count of the uniform. |
73 */ | 52 */ |
74 void setSampler(UniformHandle, GrGLint texUnit) const; | 53 void setSampler(UniformHandle, int texUnit) const; |
75 void set1f(UniformHandle, GrGLfloat v0) const; | 54 |
76 void set1fv(UniformHandle, int arrayCount, const GrGLfloat v[]) const; | 55 void set1f(UniformHandle, float v0) const override; |
77 void set2f(UniformHandle, GrGLfloat, GrGLfloat) const; | 56 void set1fv(UniformHandle, int arrayCount, const float v[]) const override; |
78 void set2fv(UniformHandle, int arrayCount, const GrGLfloat v[]) const; | 57 void set2f(UniformHandle, float, float) const override; |
79 void set3f(UniformHandle, GrGLfloat, GrGLfloat, GrGLfloat) const; | 58 void set2fv(UniformHandle, int arrayCount, const float v[]) const override; |
80 void set3fv(UniformHandle, int arrayCount, const GrGLfloat v[]) const; | 59 void set3f(UniformHandle, float, float, float) const override; |
81 void set4f(UniformHandle, GrGLfloat, GrGLfloat, GrGLfloat, GrGLfloat) const; | 60 void set3fv(UniformHandle, int arrayCount, const float v[]) const override; |
82 void set4fv(UniformHandle, int arrayCount, const GrGLfloat v[]) const; | 61 void set4f(UniformHandle, float, float, float, float) const override; |
| 62 void set4fv(UniformHandle, int arrayCount, const float v[]) const override; |
83 // matrices are column-major, the first three upload a single matrix, the la
tter three upload | 63 // matrices are column-major, the first three upload a single matrix, the la
tter three upload |
84 // arrayCount matrices into a uniform array. | 64 // arrayCount matrices into a uniform array. |
85 void setMatrix3f(UniformHandle, const GrGLfloat matrix[]) const; | 65 void setMatrix3f(UniformHandle, const float matrix[]) const override; |
86 void setMatrix4f(UniformHandle, const GrGLfloat matrix[]) const; | 66 void setMatrix4f(UniformHandle, const float matrix[]) const override; |
87 void setMatrix3fv(UniformHandle, int arrayCount, const GrGLfloat matrices[])
const; | 67 void setMatrix3fv(UniformHandle, int arrayCount, const float matrices[]) con
st override; |
88 void setMatrix4fv(UniformHandle, int arrayCount, const GrGLfloat matrices[])
const; | 68 void setMatrix4fv(UniformHandle, int arrayCount, const float matrices[]) con
st override; |
89 | 69 |
90 // convenience method for uploading a SkMatrix to a 3x3 matrix uniform | 70 // convenience method for uploading a SkMatrix to a 3x3 matrix uniform |
91 void setSkMatrix(UniformHandle, const SkMatrix&) const; | 71 void setSkMatrix(UniformHandle, const SkMatrix&) const override; |
92 | 72 |
93 // for nvpr only | 73 // for nvpr only |
94 typedef GrGLProgramDataManager::ShaderResourceHandle SeparableVaryingHandle; | |
95 void setPathFragmentInputTransform(SeparableVaryingHandle u, int components, | 74 void setPathFragmentInputTransform(SeparableVaryingHandle u, int components, |
96 const SkMatrix& matrix) const; | 75 const SkMatrix& matrix) const override; |
97 | 76 |
98 private: | 77 private: |
99 enum { | 78 enum { |
100 kUnusedUniform = -1, | 79 kUnusedUniform = -1, |
101 }; | 80 }; |
102 | 81 |
103 struct Uniform { | 82 struct Uniform { |
104 GrGLint fVSLocation; | 83 GrGLint fVSLocation; |
105 GrGLint fFSLocation; | 84 GrGLint fFSLocation; |
106 SkDEBUGCODE( | 85 SkDEBUGCODE( |
(...skipping 13 matching lines...) Expand all Loading... |
120 ); | 99 ); |
121 }; | 100 }; |
122 | 101 |
123 SkDEBUGCODE(void printUnused(const Uniform&) const;) | 102 SkDEBUGCODE(void printUnused(const Uniform&) const;) |
124 | 103 |
125 SkTArray<Uniform, true> fUniforms; | 104 SkTArray<Uniform, true> fUniforms; |
126 SkTArray<SeparableVarying, true> fSeparableVaryings; | 105 SkTArray<SeparableVarying, true> fSeparableVaryings; |
127 GrGLGpu* fGpu; | 106 GrGLGpu* fGpu; |
128 GrGLuint fProgramID; | 107 GrGLuint fProgramID; |
129 | 108 |
130 typedef SkNoncopyable INHERITED; | 109 typedef GrGLSLProgramDataManager INHERITED; |
131 }; | 110 }; |
132 | 111 |
133 #endif | 112 #endif |
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