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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 |
| 11 #include "GrGLEffect.h" | 11 #include "GrGLProcessor.h" |
| 12 #include "GrDrawState.h" | 12 #include "GrDrawState.h" |
| 13 #include "GrGpu.h" | 13 #include "GrGpu.h" |
| 14 | 14 |
| 15 class GrGpuGL; | 15 class GrGpuGL; |
| 16 | 16 |
| 17 #ifdef SK_DEBUG | 17 #ifdef SK_DEBUG |
| 18 // Optionally compile the experimental GS code. Set to SK_DEBUG so that debug build bots will | 18 // Optionally compile the experimental GS code. Set to SK_DEBUG so that debug build bots will |
| 19 // execute the code. | 19 // execute the code. |
| 20 #define GR_GL_EXPERIMENTAL_GS 1 | 20 #define GR_GL_EXPERIMENTAL_GS 1 |
| 21 #else | 21 #else |
| (...skipping 19 matching lines...) Expand all Loading... | |
| 41 uint32_t keyLength() const { return *this->atOffset<uint32_t, kLengthOffset> (); } | 41 uint32_t keyLength() const { return *this->atOffset<uint32_t, kLengthOffset> (); } |
| 42 | 42 |
| 43 // Gets the a checksum of the key. Can be used as a hash value for a fast lo okup in a cache. | 43 // Gets the a checksum of the key. Can be used as a hash value for a fast lo okup in a cache. |
| 44 uint32_t getChecksum() const { return *this->atOffset<uint32_t, kChecksumOff set>(); } | 44 uint32_t getChecksum() const { return *this->atOffset<uint32_t, kChecksumOff set>(); } |
| 45 | 45 |
| 46 // For unit testing. | 46 // For unit testing. |
| 47 bool setRandom(SkRandom*, | 47 bool setRandom(SkRandom*, |
| 48 const GrGpuGL* gpu, | 48 const GrGpuGL* gpu, |
| 49 const GrRenderTarget* dummyDstRenderTarget, | 49 const GrRenderTarget* dummyDstRenderTarget, |
| 50 const GrTexture* dummyDstCopyTexture, | 50 const GrTexture* dummyDstCopyTexture, |
| 51 const GrEffectStage* geometryProcessor, | 51 const GrGeometryStage* geometryProcessor, |
| 52 const GrEffectStage* stages[], | 52 const GrFragmentStage* stages[], |
| 53 int numColorStages, | 53 int numColorStages, |
| 54 int numCoverageStages, | 54 int numCoverageStages, |
| 55 int currAttribIndex); | 55 int currAttribIndex); |
| 56 | 56 |
| 57 /** | 57 /** |
| 58 * Builds a program descriptor from a GrOptDrawState. Whether the primitive type is points, and | 58 * Builds a program descriptor from a GrOptDrawState. Whether the primitive type is points, and |
| 59 * the caps of the GrGpuGL are also inputs. It also outputs the color and co verage stages | 59 * the caps of the GrGpuGL are also inputs. It also outputs the color and co verage stages |
| 60 * referenced by the generated descriptor. Coverage stages from the drawStat e may be treated as | 60 * referenced by the generated descriptor. Coverage stages from the drawStat e may be treated as |
| 61 * color stages in the output. | 61 * color stages in the output. |
| 62 */ | 62 */ |
| 63 static bool Build(const GrOptDrawState&, | 63 static bool Build(const GrOptDrawState& optState, |
|
bsalomon
2014/09/22 15:35:24
IMO param names that just repeat the type name are
| |
| 64 GrGpu::DrawType drawType, | 64 GrGpu::DrawType drawType, |
| 65 GrBlendCoeff srcCoeff, | 65 GrBlendCoeff srcCoeff, |
| 66 GrBlendCoeff dstCoeff, | 66 GrBlendCoeff dstCoeff, |
| 67 const GrGpuGL* gpu, | 67 const GrGpuGL* gpu, |
| 68 const GrDeviceCoordTexture* dstCopy, | 68 const GrDeviceCoordTexture* dstCopy, |
| 69 const GrEffectStage** outGeometryProcessor, | 69 const GrGeometryStage** geometryProcessor, |
| 70 SkTArray<const GrEffectStage*, true>* outColorStages, | 70 SkTArray<const GrFragmentStage*, true>* colorStages, |
| 71 SkTArray<const GrEffectStage*, true>* outCoverageStages, | 71 SkTArray<const GrFragmentStage*, true>* coverageStages, |
| 72 GrGLProgramDesc* outDesc); | 72 GrGLProgramDesc* desc); |
| 73 | 73 |
| 74 bool hasGeometryProcessor() const { | 74 bool hasGeometryProcessor() const { |
| 75 return SkToBool(this->getHeader().fHasGeometryProcessor); | 75 return SkToBool(this->getHeader().fHasGeometryProcessor); |
| 76 } | 76 } |
| 77 | 77 |
| 78 int numColorEffects() const { | 78 int numColorEffects() const { |
| 79 return this->getHeader().fColorEffectCnt; | 79 return this->getHeader().fColorEffectCnt; |
| 80 } | 80 } |
| 81 | 81 |
| 82 int numCoverageEffects() const { | 82 int numCoverageEffects() const { |
| (...skipping 111 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
| 194 return reinterpret_cast<T*>(reinterpret_cast<intptr_t>(fKey.begin()) + O FFSET); | 194 return reinterpret_cast<T*>(reinterpret_cast<intptr_t>(fKey.begin()) + O FFSET); |
| 195 } | 195 } |
| 196 | 196 |
| 197 template<typename T, size_t OFFSET> const T* atOffset() const { | 197 template<typename T, size_t OFFSET> const T* atOffset() const { |
| 198 return reinterpret_cast<const T*>(reinterpret_cast<intptr_t>(fKey.begin( )) + OFFSET); | 198 return reinterpret_cast<const T*>(reinterpret_cast<intptr_t>(fKey.begin( )) + OFFSET); |
| 199 } | 199 } |
| 200 | 200 |
| 201 KeyHeader* header() { return this->atOffset<KeyHeader, kHeaderOffset>(); } | 201 KeyHeader* header() { return this->atOffset<KeyHeader, kHeaderOffset>(); } |
| 202 | 202 |
| 203 // Shared code between setRandom() and Build(). | 203 // Shared code between setRandom() and Build(). |
| 204 static bool GetEffectKey(const GrEffectStage& stage, const GrGLCaps& caps, | 204 static bool GetProcessorKey(const GrProcessorStage& stage, |
| 205 bool useExplicitLocalCoords, GrEffectKeyBuilder* b, | 205 const GrGLCaps& caps, |
| 206 uint16_t* effectKeySize); | 206 bool useExplicitLocalCoords, |
| 207 GrProcessorKeyBuilder* b, | |
| 208 uint16_t* effectKeySize); | |
| 207 | 209 |
| 210 static bool GetGeometryProcessorKey(const GrGeometryStage& stage, | |
| 211 const GrGLCaps& caps, | |
| 212 bool useExplicitLocalCoords, | |
| 213 GrProcessorKeyBuilder* b, | |
| 214 uint16_t* effectKeySize); | |
| 208 void finalize(); | 215 void finalize(); |
| 209 | 216 |
| 210 const KeyHeader& getHeader() const { return *this->atOffset<KeyHeader, kHead erOffset>(); } | 217 const KeyHeader& getHeader() const { return *this->atOffset<KeyHeader, kHead erOffset>(); } |
| 211 | 218 |
| 212 /** Used to provide effects' keys to their emitCode() function. */ | 219 /** Used to provide effects' keys to their emitCode() function. */ |
| 213 class EffectKeyProvider { | 220 class EffectKeyProvider { |
| 214 public: | 221 public: |
| 215 enum EffectType { | 222 enum EffectType { |
| 216 kGeometryProcessor_EffectType, | 223 kGeometryProcessor_EffectType, |
| 217 kColor_EffectType, | 224 kColor_EffectType, |
| 218 kCoverage_EffectType, | 225 kCoverage_EffectType, |
| 219 }; | 226 }; |
| 220 | 227 |
| 221 EffectKeyProvider(const GrGLProgramDesc* desc, EffectType type) : fDesc( desc) { | 228 EffectKeyProvider(const GrGLProgramDesc* desc, EffectType type) : fDesc( desc) { |
| 222 switch (type) { | 229 switch (type) { |
| 223 case kGeometryProcessor_EffectType: | 230 case kGeometryProcessor_EffectType: |
| 224 // there can be only one | 231 // there can be only one |
| 225 fBaseIndex = 0; | 232 fBaseIndex = 0; |
| 226 break; | 233 break; |
| 227 case kColor_EffectType: | 234 case kColor_EffectType: |
| 228 fBaseIndex = desc->hasGeometryProcessor() ? 1 : 0; | 235 fBaseIndex = desc->hasGeometryProcessor() ? 1 : 0; |
| 229 break; | 236 break; |
| 230 case kCoverage_EffectType: | 237 case kCoverage_EffectType: |
| 231 fBaseIndex = desc->numColorEffects() + (desc->hasGeometryPro cessor() ? 1 : 0); | 238 fBaseIndex = desc->numColorEffects() + (desc->hasGeometryPro cessor() ? 1 : 0); |
| 232 break; | 239 break; |
| 233 } | 240 } |
| 234 } | 241 } |
| 235 | 242 |
| 236 GrEffectKey get(int index) const { | 243 GrProcessorKey get(int index) const { |
| 237 const uint16_t* offsetsAndLengths = reinterpret_cast<const uint16_t* >( | 244 const uint16_t* offsetsAndLengths = reinterpret_cast<const uint16_t* >( |
| 238 fDesc->fKey.begin() + kEffectKeyOffsetsAndLengthOffset); | 245 fDesc->fKey.begin() + kEffectKeyOffsetsAndLengthOffset); |
| 239 // We store two uint16_ts per effect, one for the offset to the effe ct's key and one for | 246 // We store two uint16_ts per effect, one for the offset to the effe ct's key and one for |
| 240 // its length. Here we just need the offset. | 247 // its length. Here we just need the offset. |
| 241 uint16_t offset = offsetsAndLengths[2 * (fBaseIndex + index) + 0]; | 248 uint16_t offset = offsetsAndLengths[2 * (fBaseIndex + index) + 0]; |
| 242 uint16_t length = offsetsAndLengths[2 * (fBaseIndex + index) + 1]; | 249 uint16_t length = offsetsAndLengths[2 * (fBaseIndex + index) + 1]; |
| 243 // Currently effects must add to the key in units of uint32_t. | 250 // Currently effects must add to the key in units of uint32_t. |
| 244 SkASSERT(0 == (length % sizeof(uint32_t))); | 251 SkASSERT(0 == (length % sizeof(uint32_t))); |
| 245 return GrEffectKey(reinterpret_cast<const uint32_t*>(fDesc->fKey.beg in() + offset), | 252 return GrProcessorKey(reinterpret_cast<const uint32_t*>(fDesc->fKey. begin() + offset), |
| 246 length / sizeof(uint32_t)); | 253 length / sizeof(uint32_t)); |
| 247 } | 254 } |
| 248 private: | 255 private: |
| 249 const GrGLProgramDesc* fDesc; | 256 const GrGLProgramDesc* fDesc; |
| 250 int fBaseIndex; | 257 int fBaseIndex; |
| 251 }; | 258 }; |
| 252 | 259 |
| 253 enum { | 260 enum { |
| 254 kMaxPreallocEffects = 8, | 261 kMaxPreallocEffects = 8, |
| 255 kIntsPerEffect = 4, // This is an overestimate of the average ef fect key size. | 262 kIntsPerEffect = 4, // This is an overestimate of the average ef fect key size. |
| 256 kPreAllocSize = kEffectKeyOffsetsAndLengthOffset + | 263 kPreAllocSize = kEffectKeyOffsetsAndLengthOffset + |
| 257 kMaxPreallocEffects * sizeof(uint32_t) * kIntsPerEffect, | 264 kMaxPreallocEffects * sizeof(uint32_t) * kIntsPerEffect, |
| 258 }; | 265 }; |
| 259 | 266 |
| 260 SkSTArray<kPreAllocSize, uint8_t, true> fKey; | 267 SkSTArray<kPreAllocSize, uint8_t, true> fKey; |
| 261 | 268 |
| 262 // GrGLProgram and GrGLShaderBuilder read the private fields to generate cod e. TODO: Split out | 269 // GrGLProgram and GrGLShaderBuilder read the private fields to generate cod e. TODO: Split out |
| 263 // part of GrGLShaderBuilder that is used by effects so that this header doe sn't need to be | 270 // part of GrGLShaderBuilder that is used by effects so that this header doe sn't need to be |
| 264 // visible to GrGLEffects. Then make public accessors as necessary and remov e friends. | 271 // visible to GrGLProcessors. Then make public accessors as necessary and re move friends. |
| 265 friend class GrGLProgram; | 272 friend class GrGLProgram; |
| 266 friend class GrGLProgramBuilder; | 273 friend class GrGLProgramBuilder; |
| 267 friend class GrGLFullProgramBuilder; | 274 friend class GrGLFullProgramBuilder; |
| 268 friend class GrGLFragmentOnlyProgramBuilder; | 275 friend class GrGLFragmentOnlyProgramBuilder; |
| 269 friend class GrGLVertexShaderBuilder; | 276 friend class GrGLVertexShaderBuilder; |
| 270 friend class GrGLFragmentShaderBuilder; | 277 friend class GrGLFragmentShaderBuilder; |
| 271 friend class GrGLGeometryShaderBuilder; | 278 friend class GrGLGeometryShaderBuilder; |
| 272 }; | 279 }; |
| 273 | 280 |
| 274 #endif | 281 #endif |
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