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| 1 /* | 1 /* |
| 2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 GrGLProgramDesc_DEFINED | 8 #ifndef GrGLProgramDesc_DEFINED |
| 9 #define GrGLProgramDesc_DEFINED | 9 #define GrGLProgramDesc_DEFINED |
| 10 | 10 |
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| 36 uint32_t getChecksum() const { return *this->atOffset<uint32_t, kChecksumOff
set>(); } | 36 uint32_t getChecksum() const { return *this->atOffset<uint32_t, kChecksumOff
set>(); } |
| 37 | 37 |
| 38 /** | 38 /** |
| 39 * Builds a program descriptor from a GrOptDrawState. Whether the primitive
type is points, and | 39 * Builds a program descriptor from a GrOptDrawState. Whether the primitive
type is points, and |
| 40 * the caps of the GrGpuGL are also inputs. It also outputs the color and co
verage stages | 40 * the caps of the GrGpuGL are also inputs. It also outputs the color and co
verage stages |
| 41 * referenced by the generated descriptor. Coverage stages from the drawStat
e may be treated as | 41 * referenced by the generated descriptor. Coverage stages from the drawStat
e may be treated as |
| 42 * color stages in the output. | 42 * color stages in the output. |
| 43 */ | 43 */ |
| 44 static bool Build(const GrOptDrawState&, | 44 static bool Build(const GrOptDrawState&, |
| 45 GrGpu::DrawType, | 45 GrGpu::DrawType, |
| 46 GrBlendCoeff srcCoeff, | |
| 47 GrBlendCoeff dstCoeff, | |
| 48 GrGpuGL*, | 46 GrGpuGL*, |
| 49 const GrDeviceCoordTexture* dstCopy, | 47 const GrDeviceCoordTexture*, |
| 50 const GrGeometryStage** geometryProcessor, | |
| 51 SkTArray<const GrFragmentStage*, true>* colorStages, | |
| 52 SkTArray<const GrFragmentStage*, true>* coverageStages, | |
| 53 GrGLProgramDesc*); | 48 GrGLProgramDesc*); |
| 54 | 49 |
| 55 bool hasGeometryProcessor() const { | 50 bool hasGeometryProcessor() const { |
| 56 return SkToBool(this->getHeader().fHasGeometryProcessor); | 51 return SkToBool(this->getHeader().fHasGeometryProcessor); |
| 57 } | 52 } |
| 58 | 53 |
| 59 int numColorEffects() const { | 54 int numColorEffects() const { |
| 60 return this->getHeader().fColorEffectCnt; | 55 return this->getHeader().fColorEffectCnt; |
| 61 } | 56 } |
| 62 | 57 |
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| 161 | 156 |
| 162 /** Used to provide effects' keys to their emitCode() function. */ | 157 /** Used to provide effects' keys to their emitCode() function. */ |
| 163 class EffectKeyProvider { | 158 class EffectKeyProvider { |
| 164 public: | 159 public: |
| 165 enum EffectType { | 160 enum EffectType { |
| 166 kGeometryProcessor_EffectType, | 161 kGeometryProcessor_EffectType, |
| 167 kColor_EffectType, | 162 kColor_EffectType, |
| 168 kCoverage_EffectType, | 163 kCoverage_EffectType, |
| 169 }; | 164 }; |
| 170 | 165 |
| 171 EffectKeyProvider(const GrGLProgramDesc* desc, EffectType type) : fDesc(
desc) { | 166 EffectKeyProvider(const GrGLProgramDesc* desc, EffectType type) |
| 167 : fDesc(desc), fBaseIndex(0) { |
| 172 switch (type) { | 168 switch (type) { |
| 173 case kGeometryProcessor_EffectType: | 169 case kGeometryProcessor_EffectType: |
| 174 // there can be only one | 170 // there can be only one |
| 175 fBaseIndex = 0; | 171 fBaseIndex = 0; |
| 176 break; | 172 break; |
| 177 case kColor_EffectType: | 173 case kColor_EffectType: |
| 178 fBaseIndex = desc->hasGeometryProcessor() ? 1 : 0; | 174 fBaseIndex = desc->hasGeometryProcessor() ? 1 : 0; |
| 179 break; | 175 break; |
| 180 case kCoverage_EffectType: | 176 case kCoverage_EffectType: |
| 181 fBaseIndex = desc->numColorEffects() + (desc->hasGeometryPro
cessor() ? 1 : 0); | 177 fBaseIndex = desc->numColorEffects() + (desc->hasGeometryPro
cessor() ? 1 : 0); |
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| 214 // visible to GrGLProcessors. Then make public accessors as necessary and re
move friends. | 210 // visible to GrGLProcessors. Then make public accessors as necessary and re
move friends. |
| 215 friend class GrGLProgram; | 211 friend class GrGLProgram; |
| 216 friend class GrGLProgramBuilder; | 212 friend class GrGLProgramBuilder; |
| 217 friend class GrGLLegacyNvprProgramBuilder; | 213 friend class GrGLLegacyNvprProgramBuilder; |
| 218 friend class GrGLVertexBuilder; | 214 friend class GrGLVertexBuilder; |
| 219 friend class GrGLFragmentShaderBuilder; | 215 friend class GrGLFragmentShaderBuilder; |
| 220 friend class GrGLGeometryBuilder; | 216 friend class GrGLGeometryBuilder; |
| 221 }; | 217 }; |
| 222 | 218 |
| 223 #endif | 219 #endif |
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