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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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/GrCustomXfermode.h" | 8 #include "effects/GrCustomXfermode.h" |
9 #include "effects/GrCustomXfermodePriv.h" | 9 #include "effects/GrCustomXfermodePriv.h" |
10 | 10 |
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400 } else { | 400 } else { |
401 return SkNEW_ARGS(GrCustomXferFP, (mode, background)); | 401 return SkNEW_ARGS(GrCustomXferFP, (mode, background)); |
402 } | 402 } |
403 } | 403 } |
404 | 404 |
405 /////////////////////////////////////////////////////////////////////////////// | 405 /////////////////////////////////////////////////////////////////////////////// |
406 | 406 |
407 class GLCustomXferFP : public GrGLFragmentProcessor { | 407 class GLCustomXferFP : public GrGLFragmentProcessor { |
408 public: | 408 public: |
409 GLCustomXferFP(const GrFragmentProcessor&) {} | 409 GLCustomXferFP(const GrFragmentProcessor&) {} |
410 ~GLCustomXferFP() SK_OVERRIDE {}; | 410 ~GLCustomXferFP() override {}; |
411 | 411 |
412 void emitCode(GrGLFPBuilder* builder, | 412 void emitCode(GrGLFPBuilder* builder, |
413 const GrFragmentProcessor& fp, | 413 const GrFragmentProcessor& fp, |
414 const char* outputColor, | 414 const char* outputColor, |
415 const char* inputColor, | 415 const char* inputColor, |
416 const TransformedCoordsArray& coords, | 416 const TransformedCoordsArray& coords, |
417 const TextureSamplerArray& samplers) SK_OVERRIDE { | 417 const TextureSamplerArray& samplers) override { |
418 SkXfermode::Mode mode = fp.cast<GrCustomXferFP>().mode(); | 418 SkXfermode::Mode mode = fp.cast<GrCustomXferFP>().mode(); |
419 GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); | 419 GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
420 const char* dstColor = "bgColor"; | 420 const char* dstColor = "bgColor"; |
421 fsBuilder->codeAppendf("vec4 %s = ", dstColor); | 421 fsBuilder->codeAppendf("vec4 %s = ", dstColor); |
422 fsBuilder->appendTextureLookup(samplers[0], coords[0].c_str(), coords[0]
.getType()); | 422 fsBuilder->appendTextureLookup(samplers[0], coords[0].c_str(), coords[0]
.getType()); |
423 fsBuilder->codeAppendf(";"); | 423 fsBuilder->codeAppendf(";"); |
424 | 424 |
425 emit_custom_xfermode_code(mode, fsBuilder, outputColor, inputColor, dstC
olor); | 425 emit_custom_xfermode_code(mode, fsBuilder, outputColor, inputColor, dstC
olor); |
426 } | 426 } |
427 | 427 |
428 void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_OVERRIDE
{} | 428 void setData(const GrGLProgramDataManager&, const GrProcessor&) override {} |
429 | 429 |
430 static void GenKey(const GrFragmentProcessor& proc, const GrGLCaps&, GrProce
ssorKeyBuilder* b) { | 430 static void GenKey(const GrFragmentProcessor& proc, const GrGLCaps&, GrProce
ssorKeyBuilder* b) { |
431 // The background may come from the dst or from a texture. | 431 // The background may come from the dst or from a texture. |
432 uint32_t key = proc.numTextures(); | 432 uint32_t key = proc.numTextures(); |
433 SkASSERT(key <= 1); | 433 SkASSERT(key <= 1); |
434 key |= proc.cast<GrCustomXferFP>().mode() << 1; | 434 key |= proc.cast<GrCustomXferFP>().mode() << 1; |
435 b->add32(key); | 435 b->add32(key); |
436 } | 436 } |
437 | 437 |
438 private: | 438 private: |
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488 public: | 488 public: |
489 static GrXferProcessor* Create(SkXfermode::Mode mode, const GrDeviceCoordTex
ture* dstCopy, | 489 static GrXferProcessor* Create(SkXfermode::Mode mode, const GrDeviceCoordTex
ture* dstCopy, |
490 bool willReadDstColor) { | 490 bool willReadDstColor) { |
491 if (!GrCustomXfermode::IsSupportedMode(mode)) { | 491 if (!GrCustomXfermode::IsSupportedMode(mode)) { |
492 return NULL; | 492 return NULL; |
493 } else { | 493 } else { |
494 return SkNEW_ARGS(CustomXP, (mode, dstCopy, willReadDstColor)); | 494 return SkNEW_ARGS(CustomXP, (mode, dstCopy, willReadDstColor)); |
495 } | 495 } |
496 } | 496 } |
497 | 497 |
498 ~CustomXP() SK_OVERRIDE {}; | 498 ~CustomXP() override {}; |
499 | 499 |
500 const char* name() const SK_OVERRIDE { return "Custom Xfermode"; } | 500 const char* name() const override { return "Custom Xfermode"; } |
501 | 501 |
502 GrGLXferProcessor* createGLInstance() const SK_OVERRIDE; | 502 GrGLXferProcessor* createGLInstance() const override; |
503 | 503 |
504 bool hasSecondaryOutput() const SK_OVERRIDE { return false; } | 504 bool hasSecondaryOutput() const override { return false; } |
505 | 505 |
506 GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colorPOI, | 506 GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colorPOI, |
507 const GrProcOptInfo& coveragePOI, | 507 const GrProcOptInfo& coveragePOI, |
508 bool doesStencilWrite, | 508 bool doesStencilWrite, |
509 GrColor* overrideColor, | 509 GrColor* overrideColor, |
510 const GrDrawTargetCaps& caps) SK_
OVERRIDE; | 510 const GrDrawTargetCaps& caps) ove
rride; |
511 | 511 |
512 void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const SK_OVERRIDE { | 512 void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const override { |
513 blendInfo->fSrcBlend = kOne_GrBlendCoeff; | 513 blendInfo->fSrcBlend = kOne_GrBlendCoeff; |
514 blendInfo->fDstBlend = kZero_GrBlendCoeff; | 514 blendInfo->fDstBlend = kZero_GrBlendCoeff; |
515 blendInfo->fBlendConstant = 0; | 515 blendInfo->fBlendConstant = 0; |
516 } | 516 } |
517 | 517 |
518 SkXfermode::Mode mode() const { return fMode; } | 518 SkXfermode::Mode mode() const { return fMode; } |
519 | 519 |
520 private: | 520 private: |
521 CustomXP(SkXfermode::Mode mode, const GrDeviceCoordTexture* dstCopy, bool wi
llReadDstColor); | 521 CustomXP(SkXfermode::Mode mode, const GrDeviceCoordTexture* dstCopy, bool wi
llReadDstColor); |
522 | 522 |
523 void onGetGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuilder* b) con
st SK_OVERRIDE; | 523 void onGetGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuilder* b) con
st override; |
524 | 524 |
525 bool onIsEqual(const GrXferProcessor& xpBase) const SK_OVERRIDE; | 525 bool onIsEqual(const GrXferProcessor& xpBase) const override; |
526 | 526 |
527 SkXfermode::Mode fMode; | 527 SkXfermode::Mode fMode; |
528 | 528 |
529 typedef GrXferProcessor INHERITED; | 529 typedef GrXferProcessor INHERITED; |
530 }; | 530 }; |
531 | 531 |
532 /////////////////////////////////////////////////////////////////////////////// | 532 /////////////////////////////////////////////////////////////////////////////// |
533 | 533 |
534 GrXPFactory* GrCustomXfermode::CreateXPFactory(SkXfermode::Mode mode) { | 534 GrXPFactory* GrCustomXfermode::CreateXPFactory(SkXfermode::Mode mode) { |
535 if (!GrCustomXfermode::IsSupportedMode(mode)) { | 535 if (!GrCustomXfermode::IsSupportedMode(mode)) { |
536 return NULL; | 536 return NULL; |
537 } else { | 537 } else { |
538 return SkNEW_ARGS(GrCustomXPFactory, (mode)); | 538 return SkNEW_ARGS(GrCustomXPFactory, (mode)); |
539 } | 539 } |
540 } | 540 } |
541 | 541 |
542 /////////////////////////////////////////////////////////////////////////////// | 542 /////////////////////////////////////////////////////////////////////////////// |
543 | 543 |
544 class GLCustomXP : public GrGLXferProcessor { | 544 class GLCustomXP : public GrGLXferProcessor { |
545 public: | 545 public: |
546 GLCustomXP(const GrXferProcessor&) {} | 546 GLCustomXP(const GrXferProcessor&) {} |
547 ~GLCustomXP() SK_OVERRIDE {} | 547 ~GLCustomXP() override {} |
548 | 548 |
549 static void GenKey(const GrXferProcessor& proc, const GrGLCaps&, GrProcessor
KeyBuilder* b) { | 549 static void GenKey(const GrXferProcessor& proc, const GrGLCaps&, GrProcessor
KeyBuilder* b) { |
550 uint32_t key = proc.numTextures(); | 550 uint32_t key = proc.numTextures(); |
551 SkASSERT(key <= 1); | 551 SkASSERT(key <= 1); |
552 key |= proc.cast<CustomXP>().mode() << 1; | 552 key |= proc.cast<CustomXP>().mode() << 1; |
553 b->add32(key); | 553 b->add32(key); |
554 } | 554 } |
555 | 555 |
556 private: | 556 private: |
557 void onEmitCode(const EmitArgs& args) SK_OVERRIDE { | 557 void onEmitCode(const EmitArgs& args) override { |
558 SkXfermode::Mode mode = args.fXP.cast<CustomXP>().mode(); | 558 SkXfermode::Mode mode = args.fXP.cast<CustomXP>().mode(); |
559 GrGLFPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); | 559 GrGLFPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); |
560 const char* dstColor = fsBuilder->dstColor(); | 560 const char* dstColor = fsBuilder->dstColor(); |
561 | 561 |
562 emit_custom_xfermode_code(mode, fsBuilder, args.fOutputPrimary, args.fIn
putColor, dstColor); | 562 emit_custom_xfermode_code(mode, fsBuilder, args.fOutputPrimary, args.fIn
putColor, dstColor); |
563 | 563 |
564 fsBuilder->codeAppendf("%s = %s * %s + (vec4(1.0) - %s) * %s;", | 564 fsBuilder->codeAppendf("%s = %s * %s + (vec4(1.0) - %s) * %s;", |
565 args.fOutputPrimary, args.fOutputPrimary, args.fI
nputCoverage, | 565 args.fOutputPrimary, args.fOutputPrimary, args.fI
nputCoverage, |
566 args.fInputCoverage, dstColor); | 566 args.fInputCoverage, dstColor); |
567 } | 567 } |
568 | 568 |
569 void onSetData(const GrGLProgramDataManager&, const GrXferProcessor&) SK_OVE
RRIDE {} | 569 void onSetData(const GrGLProgramDataManager&, const GrXferProcessor&) overri
de {} |
570 | 570 |
571 typedef GrGLFragmentProcessor INHERITED; | 571 typedef GrGLFragmentProcessor INHERITED; |
572 }; | 572 }; |
573 | 573 |
574 /////////////////////////////////////////////////////////////////////////////// | 574 /////////////////////////////////////////////////////////////////////////////// |
575 | 575 |
576 CustomXP::CustomXP(SkXfermode::Mode mode, const GrDeviceCoordTexture* dstCopy, | 576 CustomXP::CustomXP(SkXfermode::Mode mode, const GrDeviceCoordTexture* dstCopy, |
577 bool willReadDstColor) | 577 bool willReadDstColor) |
578 : INHERITED(dstCopy, willReadDstColor), fMode(mode) { | 578 : INHERITED(dstCopy, willReadDstColor), fMode(mode) { |
579 this->initClassID<CustomXP>(); | 579 this->initClassID<CustomXP>(); |
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626 GR_DEFINE_XP_FACTORY_TEST(GrCustomXPFactory); | 626 GR_DEFINE_XP_FACTORY_TEST(GrCustomXPFactory); |
627 GrXPFactory* GrCustomXPFactory::TestCreate(SkRandom* rand, | 627 GrXPFactory* GrCustomXPFactory::TestCreate(SkRandom* rand, |
628 GrContext*, | 628 GrContext*, |
629 const GrDrawTargetCaps&, | 629 const GrDrawTargetCaps&, |
630 GrTexture*[]) { | 630 GrTexture*[]) { |
631 int mode = rand->nextRangeU(SkXfermode::kLastCoeffMode + 1, SkXfermode::kLas
tSeparableMode); | 631 int mode = rand->nextRangeU(SkXfermode::kLastCoeffMode + 1, SkXfermode::kLas
tSeparableMode); |
632 | 632 |
633 return SkNEW_ARGS(GrCustomXPFactory, (static_cast<SkXfermode::Mode>(mode))); | 633 return SkNEW_ARGS(GrCustomXPFactory, (static_cast<SkXfermode::Mode>(mode))); |
634 } | 634 } |
635 | 635 |
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