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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 { |
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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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