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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 "effects/GrPorterDuffXferProcessor.h" | 8 #include "effects/GrPorterDuffXferProcessor.h" |
| 9 | 9 |
| 10 #include "GrBlend.h" | 10 #include "GrBlend.h" |
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| 340 /////////////////////////////////////////////////////////////////////////////// | 340 /////////////////////////////////////////////////////////////////////////////// |
| 341 | 341 |
| 342 class PorterDuffXferProcessor : public GrXferProcessor { | 342 class PorterDuffXferProcessor : public GrXferProcessor { |
| 343 public: | 343 public: |
| 344 PorterDuffXferProcessor(BlendFormula blendFormula) : fBlendFormula(blendForm
ula) { | 344 PorterDuffXferProcessor(BlendFormula blendFormula) : fBlendFormula(blendForm
ula) { |
| 345 this->initClassID<PorterDuffXferProcessor>(); | 345 this->initClassID<PorterDuffXferProcessor>(); |
| 346 } | 346 } |
| 347 | 347 |
| 348 const char* name() const override { return "Porter Duff"; } | 348 const char* name() const override { return "Porter Duff"; } |
| 349 | 349 |
| 350 GrGLSLXferProcessor* createGLInstance() const override; | 350 GrGLSLXferProcessor* createGLSLInstance() const override; |
| 351 | 351 |
| 352 BlendFormula getBlendFormula() const { return fBlendFormula; } | 352 BlendFormula getBlendFormula() const { return fBlendFormula; } |
| 353 | 353 |
| 354 private: | 354 private: |
| 355 GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo& colorPOI, | 355 GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo& colorPOI, |
| 356 const GrProcOptInfo& coveragePO
I, | 356 const GrProcOptInfo& coveragePO
I, |
| 357 bool doesStencilWrite, | 357 bool doesStencilWrite, |
| 358 GrColor* overrideColor, | 358 GrColor* overrideColor, |
| 359 const GrCaps& caps) override; | 359 const GrCaps& caps) override; |
| 360 | 360 |
| 361 void onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) c
onst override; | 361 void onGetGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b)
const override; |
| 362 | 362 |
| 363 bool onHasSecondaryOutput() const override { return fBlendFormula.hasSeconda
ryOutput(); } | 363 bool onHasSecondaryOutput() const override { return fBlendFormula.hasSeconda
ryOutput(); } |
| 364 | 364 |
| 365 void onGetBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const override { | 365 void onGetBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const override { |
| 366 blendInfo->fEquation = fBlendFormula.fBlendEquation; | 366 blendInfo->fEquation = fBlendFormula.fBlendEquation; |
| 367 blendInfo->fSrcBlend = fBlendFormula.fSrcCoeff; | 367 blendInfo->fSrcBlend = fBlendFormula.fSrcCoeff; |
| 368 blendInfo->fDstBlend = fBlendFormula.fDstCoeff; | 368 blendInfo->fDstBlend = fBlendFormula.fDstCoeff; |
| 369 blendInfo->fWriteColor = fBlendFormula.modifiesDst(); | 369 blendInfo->fWriteColor = fBlendFormula.modifiesDst(); |
| 370 } | 370 } |
| 371 | 371 |
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| 452 args.fOutputPrimary, args.fInputColor, args.fInputCo
verage); | 452 args.fOutputPrimary, args.fInputColor, args.fInputCo
verage); |
| 453 } | 453 } |
| 454 | 454 |
| 455 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over
ride {} | 455 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over
ride {} |
| 456 | 456 |
| 457 typedef GrGLSLXferProcessor INHERITED; | 457 typedef GrGLSLXferProcessor INHERITED; |
| 458 }; | 458 }; |
| 459 | 459 |
| 460 /////////////////////////////////////////////////////////////////////////////// | 460 /////////////////////////////////////////////////////////////////////////////// |
| 461 | 461 |
| 462 void PorterDuffXferProcessor::onGetGLProcessorKey(const GrGLSLCaps&, | 462 void PorterDuffXferProcessor::onGetGLSLProcessorKey(const GrGLSLCaps&, |
| 463 GrProcessorKeyBuilder* b) cons
t { | 463 GrProcessorKeyBuilder* b) co
nst { |
| 464 GLPorterDuffXferProcessor::GenKey(*this, b); | 464 GLPorterDuffXferProcessor::GenKey(*this, b); |
| 465 } | 465 } |
| 466 | 466 |
| 467 GrGLSLXferProcessor* PorterDuffXferProcessor::createGLInstance() const { | 467 GrGLSLXferProcessor* PorterDuffXferProcessor::createGLSLInstance() const { |
| 468 return new GLPorterDuffXferProcessor; | 468 return new GLPorterDuffXferProcessor; |
| 469 } | 469 } |
| 470 | 470 |
| 471 GrXferProcessor::OptFlags | 471 GrXferProcessor::OptFlags |
| 472 PorterDuffXferProcessor::onGetOptimizations(const GrProcOptInfo& colorPOI, | 472 PorterDuffXferProcessor::onGetOptimizations(const GrProcOptInfo& colorPOI, |
| 473 const GrProcOptInfo& coveragePOI, | 473 const GrProcOptInfo& coveragePOI, |
| 474 bool doesStencilWrite, | 474 bool doesStencilWrite, |
| 475 GrColor* overrideColor, | 475 GrColor* overrideColor, |
| 476 const GrCaps& caps) { | 476 const GrCaps& caps) { |
| 477 GrXferProcessor::OptFlags optFlags = GrXferProcessor::kNone_OptFlags; | 477 GrXferProcessor::OptFlags optFlags = GrXferProcessor::kNone_OptFlags; |
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| 505 ShaderPDXferProcessor(const DstTexture* dstTexture, | 505 ShaderPDXferProcessor(const DstTexture* dstTexture, |
| 506 bool hasMixedSamples, | 506 bool hasMixedSamples, |
| 507 SkXfermode::Mode xfermode) | 507 SkXfermode::Mode xfermode) |
| 508 : INHERITED(dstTexture, true, hasMixedSamples) | 508 : INHERITED(dstTexture, true, hasMixedSamples) |
| 509 , fXfermode(xfermode) { | 509 , fXfermode(xfermode) { |
| 510 this->initClassID<ShaderPDXferProcessor>(); | 510 this->initClassID<ShaderPDXferProcessor>(); |
| 511 } | 511 } |
| 512 | 512 |
| 513 const char* name() const override { return "Porter Duff Shader"; } | 513 const char* name() const override { return "Porter Duff Shader"; } |
| 514 | 514 |
| 515 GrGLSLXferProcessor* createGLInstance() const override; | 515 GrGLSLXferProcessor* createGLSLInstance() const override; |
| 516 | 516 |
| 517 SkXfermode::Mode getXfermode() const { return fXfermode; } | 517 SkXfermode::Mode getXfermode() const { return fXfermode; } |
| 518 | 518 |
| 519 private: | 519 private: |
| 520 GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo&, const GrP
rocOptInfo&, | 520 GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo&, const GrP
rocOptInfo&, |
| 521 bool, GrColor*, const GrCaps&)
override { | 521 bool, GrColor*, const GrCaps&)
override { |
| 522 return kNone_OptFlags; | 522 return kNone_OptFlags; |
| 523 } | 523 } |
| 524 | 524 |
| 525 void onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) c
onst override; | 525 void onGetGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b)
const override; |
| 526 | 526 |
| 527 bool onIsEqual(const GrXferProcessor& xpBase) const override { | 527 bool onIsEqual(const GrXferProcessor& xpBase) const override { |
| 528 const ShaderPDXferProcessor& xp = xpBase.cast<ShaderPDXferProcessor>(); | 528 const ShaderPDXferProcessor& xp = xpBase.cast<ShaderPDXferProcessor>(); |
| 529 return fXfermode == xp.fXfermode; | 529 return fXfermode == xp.fXfermode; |
| 530 } | 530 } |
| 531 | 531 |
| 532 const SkXfermode::Mode fXfermode; | 532 const SkXfermode::Mode fXfermode; |
| 533 | 533 |
| 534 typedef GrXferProcessor INHERITED; | 534 typedef GrXferProcessor INHERITED; |
| 535 }; | 535 }; |
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| 552 GrGLSLBlend::AppendMode(fsBuilder, srcColor, dstColor, outColor, xp.getX
fermode()); | 552 GrGLSLBlend::AppendMode(fsBuilder, srcColor, dstColor, outColor, xp.getX
fermode()); |
| 553 } | 553 } |
| 554 | 554 |
| 555 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over
ride {} | 555 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over
ride {} |
| 556 | 556 |
| 557 typedef GrGLSLXferProcessor INHERITED; | 557 typedef GrGLSLXferProcessor INHERITED; |
| 558 }; | 558 }; |
| 559 | 559 |
| 560 /////////////////////////////////////////////////////////////////////////////// | 560 /////////////////////////////////////////////////////////////////////////////// |
| 561 | 561 |
| 562 void ShaderPDXferProcessor::onGetGLProcessorKey(const GrGLSLCaps&, | 562 void ShaderPDXferProcessor::onGetGLSLProcessorKey(const GrGLSLCaps&, |
| 563 GrProcessorKeyBuilder* b) const
{ | 563 GrProcessorKeyBuilder* b) cons
t { |
| 564 GLShaderPDXferProcessor::GenKey(*this, b); | 564 GLShaderPDXferProcessor::GenKey(*this, b); |
| 565 } | 565 } |
| 566 | 566 |
| 567 GrGLSLXferProcessor* ShaderPDXferProcessor::createGLInstance() const { | 567 GrGLSLXferProcessor* ShaderPDXferProcessor::createGLSLInstance() const { |
| 568 return new GLShaderPDXferProcessor; | 568 return new GLShaderPDXferProcessor; |
| 569 } | 569 } |
| 570 | 570 |
| 571 /////////////////////////////////////////////////////////////////////////////// | 571 /////////////////////////////////////////////////////////////////////////////// |
| 572 | 572 |
| 573 class PDLCDXferProcessor : public GrXferProcessor { | 573 class PDLCDXferProcessor : public GrXferProcessor { |
| 574 public: | 574 public: |
| 575 static GrXferProcessor* Create(SkXfermode::Mode xfermode, const GrProcOptInf
o& colorPOI); | 575 static GrXferProcessor* Create(SkXfermode::Mode xfermode, const GrProcOptInf
o& colorPOI); |
| 576 | 576 |
| 577 ~PDLCDXferProcessor() override; | 577 ~PDLCDXferProcessor() override; |
| 578 | 578 |
| 579 const char* name() const override { return "Porter Duff LCD"; } | 579 const char* name() const override { return "Porter Duff LCD"; } |
| 580 | 580 |
| 581 GrGLSLXferProcessor* createGLInstance() const override; | 581 GrGLSLXferProcessor* createGLSLInstance() const override; |
| 582 | 582 |
| 583 private: | 583 private: |
| 584 PDLCDXferProcessor(GrColor blendConstant, uint8_t alpha); | 584 PDLCDXferProcessor(GrColor blendConstant, uint8_t alpha); |
| 585 | 585 |
| 586 GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo& colorPOI, | 586 GrXferProcessor::OptFlags onGetOptimizations(const GrProcOptInfo& colorPOI, |
| 587 const GrProcOptInfo& coveragePO
I, | 587 const GrProcOptInfo& coveragePO
I, |
| 588 bool doesStencilWrite, | 588 bool doesStencilWrite, |
| 589 GrColor* overrideColor, | 589 GrColor* overrideColor, |
| 590 const GrCaps& caps) override; | 590 const GrCaps& caps) override; |
| 591 | 591 |
| 592 void onGetGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) c
onst override; | 592 void onGetGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b)
const override; |
| 593 | 593 |
| 594 void onGetBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const override { | 594 void onGetBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const override { |
| 595 blendInfo->fSrcBlend = kConstC_GrBlendCoeff; | 595 blendInfo->fSrcBlend = kConstC_GrBlendCoeff; |
| 596 blendInfo->fDstBlend = kISC_GrBlendCoeff; | 596 blendInfo->fDstBlend = kISC_GrBlendCoeff; |
| 597 blendInfo->fBlendConstant = fBlendConstant; | 597 blendInfo->fBlendConstant = fBlendConstant; |
| 598 } | 598 } |
| 599 | 599 |
| 600 bool onIsEqual(const GrXferProcessor& xpBase) const override { | 600 bool onIsEqual(const GrXferProcessor& xpBase) const override { |
| 601 const PDLCDXferProcessor& xp = xpBase.cast<PDLCDXferProcessor>(); | 601 const PDLCDXferProcessor& xp = xpBase.cast<PDLCDXferProcessor>(); |
| 602 if (fBlendConstant != xp.fBlendConstant || | 602 if (fBlendConstant != xp.fBlendConstant || |
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| 656 GrColor blendConstant = GrUnpremulColor(colorPOI.color()); | 656 GrColor blendConstant = GrUnpremulColor(colorPOI.color()); |
| 657 uint8_t alpha = GrColorUnpackA(blendConstant); | 657 uint8_t alpha = GrColorUnpackA(blendConstant); |
| 658 blendConstant |= (0xff << GrColor_SHIFT_A); | 658 blendConstant |= (0xff << GrColor_SHIFT_A); |
| 659 | 659 |
| 660 return new PDLCDXferProcessor(blendConstant, alpha); | 660 return new PDLCDXferProcessor(blendConstant, alpha); |
| 661 } | 661 } |
| 662 | 662 |
| 663 PDLCDXferProcessor::~PDLCDXferProcessor() { | 663 PDLCDXferProcessor::~PDLCDXferProcessor() { |
| 664 } | 664 } |
| 665 | 665 |
| 666 void PDLCDXferProcessor::onGetGLProcessorKey(const GrGLSLCaps& caps, | 666 void PDLCDXferProcessor::onGetGLSLProcessorKey(const GrGLSLCaps& caps, |
| 667 GrProcessorKeyBuilder* b) const { | 667 GrProcessorKeyBuilder* b) const { |
| 668 GLPDLCDXferProcessor::GenKey(*this, caps, b); | 668 GLPDLCDXferProcessor::GenKey(*this, caps, b); |
| 669 } | 669 } |
| 670 | 670 |
| 671 GrGLSLXferProcessor* PDLCDXferProcessor::createGLInstance() const { | 671 GrGLSLXferProcessor* PDLCDXferProcessor::createGLSLInstance() const { |
| 672 return new GLPDLCDXferProcessor(*this); | 672 return new GLPDLCDXferProcessor(*this); |
| 673 } | 673 } |
| 674 | 674 |
| 675 GrXferProcessor::OptFlags | 675 GrXferProcessor::OptFlags |
| 676 PDLCDXferProcessor::onGetOptimizations(const GrProcOptInfo& colorPOI, | 676 PDLCDXferProcessor::onGetOptimizations(const GrProcOptInfo& colorPOI, |
| 677 const GrProcOptInfo& coveragePOI, | 677 const GrProcOptInfo& coveragePOI, |
| 678 bool doesStencilWrite, | 678 bool doesStencilWrite, |
| 679 GrColor* overrideColor, | 679 GrColor* overrideColor, |
| 680 const GrCaps& caps) { | 680 const GrCaps& caps) { |
| 681 // We want to force our primary output to be alpha * Coverage, where alp
ha is the alpha | 681 // We want to force our primary output to be alpha * Coverage, where alp
ha is the alpha |
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| 820 int* outPrimary, | 820 int* outPrimary, |
| 821 int* outSecondary) { | 821 int* outSecondary) { |
| 822 if (!!strcmp(xp->name(), "Porter Duff")) { | 822 if (!!strcmp(xp->name(), "Porter Duff")) { |
| 823 *outPrimary = *outSecondary = -1; | 823 *outPrimary = *outSecondary = -1; |
| 824 return; | 824 return; |
| 825 } | 825 } |
| 826 BlendFormula blendFormula = static_cast<const PorterDuffXferProcessor*>(xp)-
>getBlendFormula(); | 826 BlendFormula blendFormula = static_cast<const PorterDuffXferProcessor*>(xp)-
>getBlendFormula(); |
| 827 *outPrimary = blendFormula.fPrimaryOutputType; | 827 *outPrimary = blendFormula.fPrimaryOutputType; |
| 828 *outSecondary = blendFormula.fSecondaryOutputType; | 828 *outSecondary = blendFormula.fSecondaryOutputType; |
| 829 } | 829 } |
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