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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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