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| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 #include "GrGLProgramBuilder.h" | 8 #include "GrGLProgramBuilder.h" |
| 9 #include "gl/GrGLProgram.h" | 9 #include "gl/GrGLProgram.h" |
| 10 #include "gl/GrGLSLPrettyPrint.h" | 10 #include "gl/GrGLSLPrettyPrint.h" |
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| 259 } | 259 } |
| 260 this->emitAndInstallFragProcs(fOptState.numColorStages(), numProcs, inputCo
verage); | 260 this->emitAndInstallFragProcs(fOptState.numColorStages(), numProcs, inputCo
verage); |
| 261 } | 261 } |
| 262 | 262 |
| 263 void GrGLProgramBuilder::emitAndInstallFragProcs(int procOffset, int numProcs, G
rGLSLExpr4* inOut) { | 263 void GrGLProgramBuilder::emitAndInstallFragProcs(int procOffset, int numProcs, G
rGLSLExpr4* inOut) { |
| 264 ProcKeyProvider keyProvider(&fDesc, | 264 ProcKeyProvider keyProvider(&fDesc, |
| 265 ProcKeyProvider::kFragment_ProcessorType, | 265 ProcKeyProvider::kFragment_ProcessorType, |
| 266 GrGLProgramDescBuilder::kProcessorKeyOffsetsAndL
engthOffset); | 266 GrGLProgramDescBuilder::kProcessorKeyOffsetsAndL
engthOffset); |
| 267 for (int e = procOffset; e < numProcs; ++e) { | 267 for (int e = procOffset; e < numProcs; ++e) { |
| 268 GrGLSLExpr4 output; | 268 GrGLSLExpr4 output; |
| 269 const GrFragmentStage& stage = fOptState.getFragmentStage(e); | 269 const GrPendingFragmentStage& stage = fOptState.getFragmentStage(e); |
| 270 this->emitAndInstallProc<GrFragmentStage>(stage, e, keyProvider, *inOut,
&output); | 270 this->emitAndInstallProc<GrPendingFragmentStage>(stage, e, keyProvider,
*inOut, &output); |
| 271 *inOut = output; | 271 *inOut = output; |
| 272 } | 272 } |
| 273 } | 273 } |
| 274 | 274 |
| 275 // TODO Processors cannot output zeros because an empty string is all 1s | 275 // TODO Processors cannot output zeros because an empty string is all 1s |
| 276 // the fix is to allow effects to take the GrGLSLExpr4 directly | 276 // the fix is to allow effects to take the GrGLSLExpr4 directly |
| 277 template <class Proc> | 277 template <class Proc> |
| 278 void GrGLProgramBuilder::emitAndInstallProc(const Proc& proc, | 278 void GrGLProgramBuilder::emitAndInstallProc(const Proc& proc, |
| 279 int index, | 279 int index, |
| 280 const ProcKeyProvider& keyProvider, | 280 const ProcKeyProvider& keyProvider, |
| (...skipping 17 matching lines...) Expand all Loading... |
| 298 SkString openBrace; | 298 SkString openBrace; |
| 299 openBrace.printf("{ // Stage %d, %s\n", fStageIndex, proc.name()); | 299 openBrace.printf("{ // Stage %d, %s\n", fStageIndex, proc.name()); |
| 300 fFS.codeAppend(openBrace.c_str()); | 300 fFS.codeAppend(openBrace.c_str()); |
| 301 | 301 |
| 302 this->emitAndInstallProc(proc, keyProvider.get(index), output->c_str(), | 302 this->emitAndInstallProc(proc, keyProvider.get(index), output->c_str(), |
| 303 input.isOnes() ? NULL : input.c_str()); | 303 input.isOnes() ? NULL : input.c_str()); |
| 304 | 304 |
| 305 fFS.codeAppend("}"); | 305 fFS.codeAppend("}"); |
| 306 } | 306 } |
| 307 | 307 |
| 308 void GrGLProgramBuilder::emitAndInstallProc(const GrFragmentStage& fs, | 308 void GrGLProgramBuilder::emitAndInstallProc(const GrPendingFragmentStage& fs, |
| 309 const GrProcessorKey& key, | 309 const GrProcessorKey& key, |
| 310 const char* outColor, | 310 const char* outColor, |
| 311 const char* inColor) { | 311 const char* inColor) { |
| 312 GrGLInstalledFragProc* ifp = SkNEW_ARGS(GrGLInstalledFragProc, (fVS.hasLocal
Coords())); | 312 GrGLInstalledFragProc* ifp = SkNEW_ARGS(GrGLInstalledFragProc, (fVS.hasLocal
Coords())); |
| 313 | 313 |
| 314 const GrFragmentProcessor& fp = *fs.getProcessor(); | 314 const GrFragmentProcessor& fp = *fs.getProcessor(); |
| 315 ifp->fGLProc.reset(fp.getFactory().createGLInstance(fp)); | 315 ifp->fGLProc.reset(fp.getFactory().createGLInstance(fp)); |
| 316 | 316 |
| 317 SkSTArray<4, GrGLProcessor::TextureSampler> samplers(fp.numTextures()); | 317 SkSTArray<4, GrGLProcessor::TextureSampler> samplers(fp.numTextures()); |
| 318 this->emitSamplers(fp, &samplers, ifp); | 318 this->emitSamplers(fp, &samplers, ifp); |
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| 351 | 351 |
| 352 void GrGLProgramBuilder::verify(const GrGeometryProcessor& gp) { | 352 void GrGLProgramBuilder::verify(const GrGeometryProcessor& gp) { |
| 353 SkASSERT(fFS.hasReadFragmentPosition() == gp.willReadFragmentPosition()); | 353 SkASSERT(fFS.hasReadFragmentPosition() == gp.willReadFragmentPosition()); |
| 354 } | 354 } |
| 355 | 355 |
| 356 void GrGLProgramBuilder::verify(const GrFragmentProcessor& fp) { | 356 void GrGLProgramBuilder::verify(const GrFragmentProcessor& fp) { |
| 357 SkASSERT(fFS.hasReadFragmentPosition() == fp.willReadFragmentPosition()); | 357 SkASSERT(fFS.hasReadFragmentPosition() == fp.willReadFragmentPosition()); |
| 358 SkASSERT(fFS.hasReadDstColor() == fp.willReadDstColor()); | 358 SkASSERT(fFS.hasReadDstColor() == fp.willReadDstColor()); |
| 359 } | 359 } |
| 360 | 360 |
| 361 void GrGLProgramBuilder::emitTransforms(const GrFragmentStage& effectStage, | 361 void GrGLProgramBuilder::emitTransforms(const GrPendingFragmentStage& stage, |
| 362 GrGLProcessor::TransformedCoordsArray* o
utCoords, | 362 GrGLProcessor::TransformedCoordsArray* o
utCoords, |
| 363 GrGLInstalledFragProc* ifp) { | 363 GrGLInstalledFragProc* ifp) { |
| 364 const GrFragmentProcessor* effect = effectStage.getProcessor(); | 364 const GrFragmentProcessor* processor = stage.getProcessor(); |
| 365 int numTransforms = effect->numTransforms(); | 365 int numTransforms = processor->numTransforms(); |
| 366 ifp->fTransforms.push_back_n(numTransforms); | 366 ifp->fTransforms.push_back_n(numTransforms); |
| 367 | 367 |
| 368 for (int t = 0; t < numTransforms; t++) { | 368 for (int t = 0; t < numTransforms; t++) { |
| 369 const char* uniName = "StageMatrix"; | 369 const char* uniName = "StageMatrix"; |
| 370 GrSLType varyingType = | 370 GrSLType varyingType = stage.isPerspectiveCoordTransform(t) ? kVec3f_GrS
LType : |
| 371 effectStage.isPerspectiveCoordTransform(t, fVS.hasLocalCoords())
? | 371 kVec2f_GrS
LType; |
| 372 kVec3f_GrSLType : | |
| 373 kVec2f_GrSLType; | |
| 374 | |
| 375 SkString suffixedUniName; | 372 SkString suffixedUniName; |
| 376 if (0 != t) { | 373 if (0 != t) { |
| 377 suffixedUniName.append(uniName); | 374 suffixedUniName.append(uniName); |
| 378 suffixedUniName.appendf("_%i", t); | 375 suffixedUniName.appendf("_%i", t); |
| 379 uniName = suffixedUniName.c_str(); | 376 uniName = suffixedUniName.c_str(); |
| 380 } | 377 } |
| 381 ifp->fTransforms[t].fHandle = this->addUniform(GrGLProgramBuilder::kVert
ex_Visibility, | 378 ifp->fTransforms[t].fHandle = this->addUniform(GrGLProgramBuilder::kVert
ex_Visibility, |
| 382 kMat33f_GrSLType, | 379 kMat33f_GrSLType, |
| 383 uniName, | 380 uniName, |
| 384 &uniName).toShaderBuilder
Index(); | 381 &uniName).toShaderBuilder
Index(); |
| 385 | 382 |
| 386 const char* varyingName = "MatrixCoord"; | 383 const char* varyingName = "MatrixCoord"; |
| 387 SkString suffixedVaryingName; | 384 SkString suffixedVaryingName; |
| 388 if (0 != t) { | 385 if (0 != t) { |
| 389 suffixedVaryingName.append(varyingName); | 386 suffixedVaryingName.append(varyingName); |
| 390 suffixedVaryingName.appendf("_%i", t); | 387 suffixedVaryingName.appendf("_%i", t); |
| 391 varyingName = suffixedVaryingName.c_str(); | 388 varyingName = suffixedVaryingName.c_str(); |
| 392 } | 389 } |
| 393 const char* coords = kPosition_GrCoordSet == effect->coordTransform(t).s
ourceCoords() ? | 390 const char* coords = kPosition_GrCoordSet == processor->coordTransform(t
).sourceCoords() ? |
| 394 fVS.positionAttribute().c_s
tr() : | 391 fVS.positionAttribute().c_s
tr() : |
| 395 fVS.localCoordsAttribute().
c_str(); | 392 fVS.localCoordsAttribute().
c_str(); |
| 396 GrGLVertToFrag v(varyingType); | 393 GrGLVertToFrag v(varyingType); |
| 397 this->addCoordVarying(varyingName, &v, uniName, coords); | 394 this->addCoordVarying(varyingName, &v, uniName, coords); |
| 398 | 395 |
| 399 SkASSERT(kVec2f_GrSLType == varyingType || kVec3f_GrSLType == varyingTyp
e); | 396 SkASSERT(kVec2f_GrSLType == varyingType || kVec3f_GrSLType == varyingTyp
e); |
| 400 SkNEW_APPEND_TO_TARRAY(outCoords, GrGLProcessor::TransformedCoords, | 397 SkNEW_APPEND_TO_TARRAY(outCoords, GrGLProcessor::TransformedCoords, |
| 401 (SkString(v.fsIn()), varyingType)); | 398 (SkString(v.fsIn()), varyingType)); |
| 402 } | 399 } |
| 403 } | 400 } |
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| 522 } | 519 } |
| 523 | 520 |
| 524 ////////////////////////////////////////////////////////////////////////////////
/////////////////// | 521 ////////////////////////////////////////////////////////////////////////////////
/////////////////// |
| 525 | 522 |
| 526 GrGLInstalledFragProcs::~GrGLInstalledFragProcs() { | 523 GrGLInstalledFragProcs::~GrGLInstalledFragProcs() { |
| 527 int numProcs = fProcs.count(); | 524 int numProcs = fProcs.count(); |
| 528 for (int e = 0; e < numProcs; ++e) { | 525 for (int e = 0; e < numProcs; ++e) { |
| 529 SkDELETE(fProcs[e]); | 526 SkDELETE(fProcs[e]); |
| 530 } | 527 } |
| 531 } | 528 } |
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