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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 | 8 |
9 #ifndef GrGLProgram_DEFINED | 9 #ifndef GrGLProgram_DEFINED |
10 #define GrGLProgram_DEFINED | 10 #define GrGLProgram_DEFINED |
11 | 11 |
12 #include "GrGLContext.h" | 12 #include "GrGLContext.h" |
13 #include "GrGLProgramDesc.h" | 13 #include "GrGLProgramDesc.h" |
14 #include "GrGLTexture.h" | 14 #include "GrGLTexture.h" |
15 #include "GrGLProgramDataManager.h" | 15 #include "GrGLProgramDataManager.h" |
| 16 #include "glsl/GrGLSLProgramDataManager.h" |
16 | 17 |
17 #include "SkString.h" | 18 #include "SkString.h" |
18 #include "SkXfermode.h" | 19 #include "SkXfermode.h" |
19 | 20 |
20 #include "builders/GrGLProgramBuilder.h" | 21 #include "builders/GrGLProgramBuilder.h" |
21 | 22 |
22 class GrGLProcessor; | 23 class GrGLProcessor; |
23 class GrGLInstalledProcessors; | 24 class GrGLInstalledProcessors; |
24 class GrGLProgramBuilder; | 25 class GrGLProgramBuilder; |
25 class GrPipeline; | 26 class GrPipeline; |
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67 fRenderTargetOrigin = (GrSurfaceOrigin) -1; | 68 fRenderTargetOrigin = (GrSurfaceOrigin) -1; |
68 } | 69 } |
69 | 70 |
70 /** | 71 /** |
71 * Gets a vec4 that adjusts the position from Skia device coords to GL's
normalized device | 72 * Gets a vec4 that adjusts the position from Skia device coords to GL's
normalized device |
72 * coords. Assuming the transformed position, pos, is a homogeneous vec3
, the vec, v, is | 73 * coords. Assuming the transformed position, pos, is a homogeneous vec3
, the vec, v, is |
73 * applied as such: | 74 * applied as such: |
74 * pos.x = dot(v.xy, pos.xz) | 75 * pos.x = dot(v.xy, pos.xz) |
75 * pos.y = dot(v.zw, pos.yz) | 76 * pos.y = dot(v.zw, pos.yz) |
76 */ | 77 */ |
77 void getRTAdjustmentVec(GrGLfloat* destVec) { | 78 void getRTAdjustmentVec(float* destVec) { |
78 destVec[0] = 2.f / fRenderTargetSize.fWidth; | 79 destVec[0] = 2.f / fRenderTargetSize.fWidth; |
79 destVec[1] = -1.f; | 80 destVec[1] = -1.f; |
80 if (kBottomLeft_GrSurfaceOrigin == fRenderTargetOrigin) { | 81 if (kBottomLeft_GrSurfaceOrigin == fRenderTargetOrigin) { |
81 destVec[2] = -2.f / fRenderTargetSize.fHeight; | 82 destVec[2] = -2.f / fRenderTargetSize.fHeight; |
82 destVec[3] = 1.f; | 83 destVec[3] = 1.f; |
83 } else { | 84 } else { |
84 destVec[2] = 2.f / fRenderTargetSize.fHeight; | 85 destVec[2] = 2.f / fRenderTargetSize.fHeight; |
85 destVec[3] = -1.f; | 86 destVec[3] = -1.f; |
86 } | 87 } |
87 } | 88 } |
88 }; | 89 }; |
89 | 90 |
90 /** | 91 /** |
91 * This function uploads uniforms, calls each GrGLProcessor's setData, and r
etrieves the | 92 * This function uploads uniforms, calls each GrGLProcessor's setData, and r
etrieves the |
92 * textures that need to be bound on each unit. It is the caller's responsib
ility to ensure | 93 * textures that need to be bound on each unit. It is the caller's responsib
ility to ensure |
93 * the program is bound before calling, and to bind the outgoing textures to
their respective | 94 * the program is bound before calling, and to bind the outgoing textures to
their respective |
94 * units upon return. (Each index in the array corresponds to its matching G
L texture unit.) | 95 * units upon return. (Each index in the array corresponds to its matching G
L texture unit.) |
95 */ | 96 */ |
96 void setData(const GrPrimitiveProcessor&, const GrPipeline&, | 97 void setData(const GrPrimitiveProcessor&, const GrPipeline&, |
97 SkTArray<const GrTextureAccess*>* textureBindings); | 98 SkTArray<const GrTextureAccess*>* textureBindings); |
98 | 99 |
99 protected: | 100 protected: |
100 typedef GrGLProgramDataManager::UniformHandle UniformHandle; | 101 typedef GrGLSLProgramDataManager::UniformHandle UniformHandle; |
101 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; | 102 typedef GrGLProgramDataManager::UniformInfoArray UniformInfoArray; |
102 typedef GrGLProgramDataManager::SeparableVaryingInfoArray SeparableVaryingIn
foArray; | 103 typedef GrGLProgramDataManager::SeparableVaryingInfoArray SeparableVaryingIn
foArray; |
103 | 104 |
104 GrGLProgram(GrGLGpu*, | 105 GrGLProgram(GrGLGpu*, |
105 const GrProgramDesc&, | 106 const GrProgramDesc&, |
106 const BuiltinUniformHandles&, | 107 const BuiltinUniformHandles&, |
107 GrGLuint programID, | 108 GrGLuint programID, |
108 const UniformInfoArray&, | 109 const UniformInfoArray&, |
109 const SeparableVaryingInfoArray&, | 110 const SeparableVaryingInfoArray&, |
110 GrGLInstalledGeoProc* geometryProcessor, | 111 GrGLInstalledGeoProc* geometryProcessor, |
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137 GrGLGpu* fGpu; | 138 GrGLGpu* fGpu; |
138 GrGLProgramDataManager fProgramDataManager; | 139 GrGLProgramDataManager fProgramDataManager; |
139 SkTArray<UniformHandle> fSamplerUniforms; | 140 SkTArray<UniformHandle> fSamplerUniforms; |
140 | 141 |
141 friend class GrGLProgramBuilder; | 142 friend class GrGLProgramBuilder; |
142 | 143 |
143 typedef SkRefCnt INHERITED; | 144 typedef SkRefCnt INHERITED; |
144 }; | 145 }; |
145 | 146 |
146 #endif | 147 #endif |
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