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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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413 }; | 413 }; |
414 | 414 |
415 /////////////////////////////////////////////////////////////////////////////// | 415 /////////////////////////////////////////////////////////////////////////////// |
416 | 416 |
417 void PorterDuffXferProcessor::onGetGLProcessorKey(const GrGLSLCaps&, | 417 void PorterDuffXferProcessor::onGetGLProcessorKey(const GrGLSLCaps&, |
418 GrProcessorKeyBuilder* b) cons
t { | 418 GrProcessorKeyBuilder* b) cons
t { |
419 GLPorterDuffXferProcessor::GenKey(*this, b); | 419 GLPorterDuffXferProcessor::GenKey(*this, b); |
420 } | 420 } |
421 | 421 |
422 GrGLXferProcessor* PorterDuffXferProcessor::createGLInstance() const { | 422 GrGLXferProcessor* PorterDuffXferProcessor::createGLInstance() const { |
423 return SkNEW(GLPorterDuffXferProcessor); | 423 return new GLPorterDuffXferProcessor; |
424 } | 424 } |
425 | 425 |
426 GrXferProcessor::OptFlags | 426 GrXferProcessor::OptFlags |
427 PorterDuffXferProcessor::onGetOptimizations(const GrProcOptInfo& colorPOI, | 427 PorterDuffXferProcessor::onGetOptimizations(const GrProcOptInfo& colorPOI, |
428 const GrProcOptInfo& coveragePOI, | 428 const GrProcOptInfo& coveragePOI, |
429 bool doesStencilWrite, | 429 bool doesStencilWrite, |
430 GrColor* overrideColor, | 430 GrColor* overrideColor, |
431 const GrCaps& caps) { | 431 const GrCaps& caps) { |
432 GrXferProcessor::OptFlags optFlags = GrXferProcessor::kNone_OptFlags; | 432 GrXferProcessor::OptFlags optFlags = GrXferProcessor::kNone_OptFlags; |
433 if (!fBlendFormula.modifiesDst()) { | 433 if (!fBlendFormula.modifiesDst()) { |
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511 }; | 511 }; |
512 | 512 |
513 /////////////////////////////////////////////////////////////////////////////// | 513 /////////////////////////////////////////////////////////////////////////////// |
514 | 514 |
515 void ShaderPDXferProcessor::onGetGLProcessorKey(const GrGLSLCaps&, | 515 void ShaderPDXferProcessor::onGetGLProcessorKey(const GrGLSLCaps&, |
516 GrProcessorKeyBuilder* b) cons
t { | 516 GrProcessorKeyBuilder* b) cons
t { |
517 GLShaderPDXferProcessor::GenKey(*this, b); | 517 GLShaderPDXferProcessor::GenKey(*this, b); |
518 } | 518 } |
519 | 519 |
520 GrGLXferProcessor* ShaderPDXferProcessor::createGLInstance() const { | 520 GrGLXferProcessor* ShaderPDXferProcessor::createGLInstance() const { |
521 return SkNEW(GLShaderPDXferProcessor); | 521 return new GLShaderPDXferProcessor; |
522 } | 522 } |
523 | 523 |
524 /////////////////////////////////////////////////////////////////////////////// | 524 /////////////////////////////////////////////////////////////////////////////// |
525 | 525 |
526 class PDLCDXferProcessor : public GrXferProcessor { | 526 class PDLCDXferProcessor : public GrXferProcessor { |
527 public: | 527 public: |
528 static GrXferProcessor* Create(SkXfermode::Mode xfermode, const GrProcOptInf
o& colorPOI); | 528 static GrXferProcessor* Create(SkXfermode::Mode xfermode, const GrProcOptInf
o& colorPOI); |
529 | 529 |
530 ~PDLCDXferProcessor() override; | 530 ~PDLCDXferProcessor() override; |
531 | 531 |
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604 } | 604 } |
605 | 605 |
606 if (kRGBA_GrColorComponentFlags != colorPOI.validFlags()) { | 606 if (kRGBA_GrColorComponentFlags != colorPOI.validFlags()) { |
607 return NULL; | 607 return NULL; |
608 } | 608 } |
609 | 609 |
610 GrColor blendConstant = GrUnPreMulColor(colorPOI.color()); | 610 GrColor blendConstant = GrUnPreMulColor(colorPOI.color()); |
611 uint8_t alpha = GrColorUnpackA(blendConstant); | 611 uint8_t alpha = GrColorUnpackA(blendConstant); |
612 blendConstant |= (0xff << GrColor_SHIFT_A); | 612 blendConstant |= (0xff << GrColor_SHIFT_A); |
613 | 613 |
614 return SkNEW_ARGS(PDLCDXferProcessor, (blendConstant, alpha)); | 614 return new PDLCDXferProcessor(blendConstant, alpha); |
615 } | 615 } |
616 | 616 |
617 PDLCDXferProcessor::~PDLCDXferProcessor() { | 617 PDLCDXferProcessor::~PDLCDXferProcessor() { |
618 } | 618 } |
619 | 619 |
620 void PDLCDXferProcessor::onGetGLProcessorKey(const GrGLSLCaps& caps, | 620 void PDLCDXferProcessor::onGetGLProcessorKey(const GrGLSLCaps& caps, |
621 GrProcessorKeyBuilder* b) const { | 621 GrProcessorKeyBuilder* b) const { |
622 GLPDLCDXferProcessor::GenKey(*this, caps, b); | 622 GLPDLCDXferProcessor::GenKey(*this, caps, b); |
623 } | 623 } |
624 | 624 |
625 GrGLXferProcessor* PDLCDXferProcessor::createGLInstance() const { | 625 GrGLXferProcessor* PDLCDXferProcessor::createGLInstance() const { |
626 return SkNEW_ARGS(GLPDLCDXferProcessor, (*this)); | 626 return new GLPDLCDXferProcessor(*this); |
627 } | 627 } |
628 | 628 |
629 GrXferProcessor::OptFlags | 629 GrXferProcessor::OptFlags |
630 PDLCDXferProcessor::onGetOptimizations(const GrProcOptInfo& colorPOI, | 630 PDLCDXferProcessor::onGetOptimizations(const GrProcOptInfo& colorPOI, |
631 const GrProcOptInfo& coveragePOI, | 631 const GrProcOptInfo& coveragePOI, |
632 bool doesStencilWrite, | 632 bool doesStencilWrite, |
633 GrColor* overrideColor, | 633 GrColor* overrideColor, |
634 const GrCaps& caps) { | 634 const GrCaps& caps) { |
635 // We want to force our primary output to be alpha * Coverage, where alp
ha is the alpha | 635 // We want to force our primary output to be alpha * Coverage, where alp
ha is the alpha |
636 // value of the blend the constant. We should already have valid blend c
oeff's if we are at | 636 // value of the blend the constant. We should already have valid blend c
oeff's if we are at |
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684 const GrProcOptInfo& covPOI, | 684 const GrProcOptInfo& covPOI, |
685 bool hasMixedSamples, | 685 bool hasMixedSamples, |
686 const DstTexture* dstTexture) const
{ | 686 const DstTexture* dstTexture) const
{ |
687 if (covPOI.isFourChannelOutput()) { | 687 if (covPOI.isFourChannelOutput()) { |
688 SkASSERT(!dstTexture || !dstTexture->texture()); | 688 SkASSERT(!dstTexture || !dstTexture->texture()); |
689 return PDLCDXferProcessor::Create(fXfermode, colorPOI); | 689 return PDLCDXferProcessor::Create(fXfermode, colorPOI); |
690 } | 690 } |
691 | 691 |
692 BlendFormula blendFormula = get_blend_formula(colorPOI, covPOI, hasMixedSamp
les, fXfermode); | 692 BlendFormula blendFormula = get_blend_formula(colorPOI, covPOI, hasMixedSamp
les, fXfermode); |
693 if (blendFormula.hasSecondaryOutput() && !caps.shaderCaps()->dualSourceBlend
ingSupport()) { | 693 if (blendFormula.hasSecondaryOutput() && !caps.shaderCaps()->dualSourceBlend
ingSupport()) { |
694 return SkNEW_ARGS(ShaderPDXferProcessor, (dstTexture, hasMixedSamples, f
Xfermode)); | 694 return new ShaderPDXferProcessor(dstTexture, hasMixedSamples, fXfermode)
; |
695 } | 695 } |
696 | 696 |
697 SkASSERT(!dstTexture || !dstTexture->texture()); | 697 SkASSERT(!dstTexture || !dstTexture->texture()); |
698 return SkNEW_ARGS(PorterDuffXferProcessor, (blendFormula)); | 698 return new PorterDuffXferProcessor(blendFormula); |
699 } | 699 } |
700 | 700 |
701 bool GrPorterDuffXPFactory::supportsRGBCoverage(GrColor /*knownColor*/, | 701 bool GrPorterDuffXPFactory::supportsRGBCoverage(GrColor /*knownColor*/, |
702 uint32_t knownColorFlags) const
{ | 702 uint32_t knownColorFlags) const
{ |
703 if (SkXfermode::kSrcOver_Mode == fXfermode && | 703 if (SkXfermode::kSrcOver_Mode == fXfermode && |
704 kRGBA_GrColorComponentFlags == knownColorFlags) { | 704 kRGBA_GrColorComponentFlags == knownColorFlags) { |
705 return true; | 705 return true; |
706 } | 706 } |
707 return false; | 707 return false; |
708 } | 708 } |
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764 int* outPrimary, | 764 int* outPrimary, |
765 int* outSecondary) { | 765 int* outSecondary) { |
766 if (!!strcmp(xp->name(), "Porter Duff")) { | 766 if (!!strcmp(xp->name(), "Porter Duff")) { |
767 *outPrimary = *outSecondary = -1; | 767 *outPrimary = *outSecondary = -1; |
768 return; | 768 return; |
769 } | 769 } |
770 BlendFormula blendFormula = static_cast<const PorterDuffXferProcessor*>(xp)-
>getBlendFormula(); | 770 BlendFormula blendFormula = static_cast<const PorterDuffXferProcessor*>(xp)-
>getBlendFormula(); |
771 *outPrimary = blendFormula.fPrimaryOutputType; | 771 *outPrimary = blendFormula.fPrimaryOutputType; |
772 *outSecondary = blendFormula.fSecondaryOutputType; | 772 *outSecondary = blendFormula.fSecondaryOutputType; |
773 } | 773 } |
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