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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, |
46 GrGpuGL*, | 48 GrGpuGL*, |
47 const GrDeviceCoordTexture*, | 49 const GrDeviceCoordTexture* dstCopy, |
| 50 const GrGeometryStage** geometryProcessor, |
| 51 SkTArray<const GrFragmentStage*, true>* colorStages, |
| 52 SkTArray<const GrFragmentStage*, true>* coverageStages, |
48 GrGLProgramDesc*); | 53 GrGLProgramDesc*); |
49 | 54 |
50 bool hasGeometryProcessor() const { | 55 bool hasGeometryProcessor() const { |
51 return SkToBool(this->getHeader().fHasGeometryProcessor); | 56 return SkToBool(this->getHeader().fHasGeometryProcessor); |
52 } | 57 } |
53 | 58 |
54 int numColorEffects() const { | 59 int numColorEffects() const { |
55 return this->getHeader().fColorEffectCnt; | 60 return this->getHeader().fColorEffectCnt; |
56 } | 61 } |
57 | 62 |
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148 static bool BuildStagedProcessorKey(const typename ProcessorKeyBuilder::Stag
edProcessor& stage, | 153 static bool BuildStagedProcessorKey(const typename ProcessorKeyBuilder::Stag
edProcessor& stage, |
149 const GrGLCaps& caps, | 154 const GrGLCaps& caps, |
150 bool requiresLocalCoordAttrib, | 155 bool requiresLocalCoordAttrib, |
151 GrGLProgramDesc* desc, | 156 GrGLProgramDesc* desc, |
152 int* offsetAndSizeIndex); | 157 int* offsetAndSizeIndex); |
153 void finalize(); | 158 void finalize(); |
154 | 159 |
155 const KeyHeader& getHeader() const { return *this->atOffset<KeyHeader, kHead
erOffset>(); } | 160 const KeyHeader& getHeader() const { return *this->atOffset<KeyHeader, kHead
erOffset>(); } |
156 | 161 |
157 /** Used to provide effects' keys to their emitCode() function. */ | 162 /** Used to provide effects' keys to their emitCode() function. */ |
158 class ProcKeyProvider { | 163 class EffectKeyProvider { |
159 public: | 164 public: |
160 enum ProcessorType { | 165 enum EffectType { |
161 kGeometry_ProcessorType, | 166 kGeometryProcessor_EffectType, |
162 kFragment_ProcessorType, | 167 kColor_EffectType, |
| 168 kCoverage_EffectType, |
163 }; | 169 }; |
164 | 170 |
165 ProcKeyProvider(const GrGLProgramDesc* desc, ProcessorType type) | 171 EffectKeyProvider(const GrGLProgramDesc* desc, EffectType type) : fDesc(
desc) { |
166 : fDesc(desc), fBaseIndex(0) { | |
167 switch (type) { | 172 switch (type) { |
168 case kGeometry_ProcessorType: | 173 case kGeometryProcessor_EffectType: |
169 // there can be only one | 174 // there can be only one |
170 fBaseIndex = 0; | 175 fBaseIndex = 0; |
171 break; | 176 break; |
172 case kFragment_ProcessorType: | 177 case kColor_EffectType: |
173 fBaseIndex = desc->hasGeometryProcessor() ? 1 : 0; | 178 fBaseIndex = desc->hasGeometryProcessor() ? 1 : 0; |
174 break; | 179 break; |
| 180 case kCoverage_EffectType: |
| 181 fBaseIndex = desc->numColorEffects() + (desc->hasGeometryPro
cessor() ? 1 : 0); |
| 182 break; |
175 } | 183 } |
176 } | 184 } |
177 | 185 |
178 GrProcessorKey get(int index) const { | 186 GrProcessorKey get(int index) const { |
179 const uint16_t* offsetsAndLengths = reinterpret_cast<const uint16_t*
>( | 187 const uint16_t* offsetsAndLengths = reinterpret_cast<const uint16_t*
>( |
180 fDesc->fKey.begin() + kEffectKeyOffsetsAndLengthOffset); | 188 fDesc->fKey.begin() + kEffectKeyOffsetsAndLengthOffset); |
181 // We store two uint16_ts per effect, one for the offset to the effe
ct's key and one for | 189 // We store two uint16_ts per effect, one for the offset to the effe
ct's key and one for |
182 // its length. Here we just need the offset. | 190 // its length. Here we just need the offset. |
183 uint16_t offset = offsetsAndLengths[2 * (fBaseIndex + index) + 0]; | 191 uint16_t offset = offsetsAndLengths[2 * (fBaseIndex + index) + 0]; |
184 uint16_t length = offsetsAndLengths[2 * (fBaseIndex + index) + 1]; | 192 uint16_t length = offsetsAndLengths[2 * (fBaseIndex + index) + 1]; |
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206 // visible to GrGLProcessors. Then make public accessors as necessary and re
move friends. | 214 // visible to GrGLProcessors. Then make public accessors as necessary and re
move friends. |
207 friend class GrGLProgram; | 215 friend class GrGLProgram; |
208 friend class GrGLProgramBuilder; | 216 friend class GrGLProgramBuilder; |
209 friend class GrGLLegacyNvprProgramBuilder; | 217 friend class GrGLLegacyNvprProgramBuilder; |
210 friend class GrGLVertexBuilder; | 218 friend class GrGLVertexBuilder; |
211 friend class GrGLFragmentShaderBuilder; | 219 friend class GrGLFragmentShaderBuilder; |
212 friend class GrGLGeometryBuilder; | 220 friend class GrGLGeometryBuilder; |
213 }; | 221 }; |
214 | 222 |
215 #endif | 223 #endif |
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