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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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