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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #include "GrAAConvexPathRenderer.h" | 9 #include "GrAAConvexPathRenderer.h" |
10 | 10 |
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517 | 517 |
518 class QuadEdgeEffect : public GrGeometryProcessor { | 518 class QuadEdgeEffect : public GrGeometryProcessor { |
519 public: | 519 public: |
520 | 520 |
521 static GrGeometryProcessor* Create(GrColor color, const SkMatrix& localMatri
x) { | 521 static GrGeometryProcessor* Create(GrColor color, const SkMatrix& localMatri
x) { |
522 return SkNEW_ARGS(QuadEdgeEffect, (color, localMatrix)); | 522 return SkNEW_ARGS(QuadEdgeEffect, (color, localMatrix)); |
523 } | 523 } |
524 | 524 |
525 virtual ~QuadEdgeEffect() {} | 525 virtual ~QuadEdgeEffect() {} |
526 | 526 |
527 virtual const char* name() const SK_OVERRIDE { return "QuadEdge"; } | 527 const char* name() const SK_OVERRIDE { return "QuadEdge"; } |
528 | 528 |
529 const GrAttribute* inPosition() const { return fInPosition; } | 529 const GrAttribute* inPosition() const { return fInPosition; } |
530 const GrAttribute* inQuadEdge() const { return fInQuadEdge; } | 530 const GrAttribute* inQuadEdge() const { return fInQuadEdge; } |
531 | 531 |
532 class GLProcessor : public GrGLGeometryProcessor { | 532 class GLProcessor : public GrGLGeometryProcessor { |
533 public: | 533 public: |
534 GLProcessor(const GrGeometryProcessor&, | 534 GLProcessor(const GrGeometryProcessor&, |
535 const GrBatchTracker&) | 535 const GrBatchTracker&) |
536 : fColor(GrColor_ILLEGAL) {} | 536 : fColor(GrColor_ILLEGAL) {} |
537 | 537 |
538 virtual void emitCode(const EmitArgs& args) SK_OVERRIDE { | 538 void emitCode(const EmitArgs& args) SK_OVERRIDE { |
539 const QuadEdgeEffect& qe = args.fGP.cast<QuadEdgeEffect>(); | 539 const QuadEdgeEffect& qe = args.fGP.cast<QuadEdgeEffect>(); |
540 GrGLGPBuilder* pb = args.fPB; | 540 GrGLGPBuilder* pb = args.fPB; |
541 GrGLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder(); | 541 GrGLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder(); |
542 | 542 |
543 GrGLVertToFrag v(kVec4f_GrSLType); | 543 GrGLVertToFrag v(kVec4f_GrSLType); |
544 args.fPB->addVarying("QuadEdge", &v); | 544 args.fPB->addVarying("QuadEdge", &v); |
545 vsBuilder->codeAppendf("%s = %s;", v.vsOut(), qe.inQuadEdge()->fName
); | 545 vsBuilder->codeAppendf("%s = %s;", v.vsOut(), qe.inQuadEdge()->fName
); |
546 | 546 |
547 const BatchTracker& local = args.fBT.cast<BatchTracker>(); | 547 const BatchTracker& local = args.fBT.cast<BatchTracker>(); |
548 | 548 |
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615 | 615 |
616 typedef GrGLGeometryProcessor INHERITED; | 616 typedef GrGLGeometryProcessor INHERITED; |
617 }; | 617 }; |
618 | 618 |
619 virtual void getGLProcessorKey(const GrBatchTracker& bt, | 619 virtual void getGLProcessorKey(const GrBatchTracker& bt, |
620 const GrGLCaps& caps, | 620 const GrGLCaps& caps, |
621 GrProcessorKeyBuilder* b) const SK_OVERRIDE { | 621 GrProcessorKeyBuilder* b) const SK_OVERRIDE { |
622 GLProcessor::GenKey(*this, bt, caps, b); | 622 GLProcessor::GenKey(*this, bt, caps, b); |
623 } | 623 } |
624 | 624 |
625 virtual GrGLGeometryProcessor* createGLInstance(const GrBatchTracker& bt) co
nst SK_OVERRIDE { | 625 GrGLGeometryProcessor* createGLInstance(const GrBatchTracker& bt) const SK_O
VERRIDE { |
626 return SkNEW_ARGS(GLProcessor, (*this, bt)); | 626 return SkNEW_ARGS(GLProcessor, (*this, bt)); |
627 } | 627 } |
628 | 628 |
629 void initBatchTracker(GrBatchTracker* bt, const InitBT& init) const SK_OVERR
IDE { | 629 void initBatchTracker(GrBatchTracker* bt, const InitBT& init) const SK_OVERR
IDE { |
630 BatchTracker* local = bt->cast<BatchTracker>(); | 630 BatchTracker* local = bt->cast<BatchTracker>(); |
631 local->fInputColorType = GetColorInputType(&local->fColor, this->color()
, init, false); | 631 local->fInputColorType = GetColorInputType(&local->fColor, this->color()
, init, false); |
632 local->fUsesLocalCoords = init.fUsesLocalCoords; | 632 local->fUsesLocalCoords = init.fUsesLocalCoords; |
633 } | 633 } |
634 | 634 |
635 bool onCanMakeEqual(const GrBatchTracker& m, | 635 bool onCanMakeEqual(const GrBatchTracker& m, |
636 const GrGeometryProcessor& that, | 636 const GrGeometryProcessor& that, |
637 const GrBatchTracker& t) const SK_OVERRIDE { | 637 const GrBatchTracker& t) const SK_OVERRIDE { |
638 const BatchTracker& mine = m.cast<BatchTracker>(); | 638 const BatchTracker& mine = m.cast<BatchTracker>(); |
639 const BatchTracker& theirs = t.cast<BatchTracker>(); | 639 const BatchTracker& theirs = t.cast<BatchTracker>(); |
640 return CanCombineLocalMatrices(*this, mine.fUsesLocalCoords, | 640 return CanCombineLocalMatrices(*this, mine.fUsesLocalCoords, |
641 that, theirs.fUsesLocalCoords) && | 641 that, theirs.fUsesLocalCoords) && |
642 CanCombineOutput(mine.fInputColorType, mine.fColor, | 642 CanCombineOutput(mine.fInputColorType, mine.fColor, |
643 theirs.fInputColorType, theirs.fColor); | 643 theirs.fInputColorType, theirs.fColor); |
644 } | 644 } |
645 | 645 |
646 private: | 646 private: |
647 QuadEdgeEffect(GrColor color, const SkMatrix& localMatrix) | 647 QuadEdgeEffect(GrColor color, const SkMatrix& localMatrix) |
648 : INHERITED(color, SkMatrix::I(), localMatrix) { | 648 : INHERITED(color, SkMatrix::I(), localMatrix) { |
649 this->initClassID<QuadEdgeEffect>(); | 649 this->initClassID<QuadEdgeEffect>(); |
650 fInPosition = &this->addVertexAttrib(GrAttribute("inPosition", kVec2f_Gr
VertexAttribType)); | 650 fInPosition = &this->addVertexAttrib(GrAttribute("inPosition", kVec2f_Gr
VertexAttribType)); |
651 fInQuadEdge = &this->addVertexAttrib(GrAttribute("inQuadEdge", kVec4f_Gr
VertexAttribType)); | 651 fInQuadEdge = &this->addVertexAttrib(GrAttribute("inQuadEdge", kVec4f_Gr
VertexAttribType)); |
652 } | 652 } |
653 | 653 |
654 virtual bool onIsEqual(const GrGeometryProcessor& other) const SK_OVERRIDE { | 654 bool onIsEqual(const GrGeometryProcessor& other) const SK_OVERRIDE { |
655 return true; | 655 return true; |
656 } | 656 } |
657 | 657 |
658 virtual void onGetInvariantOutputCoverage(GrInitInvariantOutput* out) const
SK_OVERRIDE { | 658 void onGetInvariantOutputCoverage(GrInitInvariantOutput* out) const SK_OVERR
IDE { |
659 out->setUnknownSingleComponent(); | 659 out->setUnknownSingleComponent(); |
660 } | 660 } |
661 | 661 |
662 struct BatchTracker { | 662 struct BatchTracker { |
663 GrGPInput fInputColorType; | 663 GrGPInput fInputColorType; |
664 GrColor fColor; | 664 GrColor fColor; |
665 bool fUsesLocalCoords; | 665 bool fUsesLocalCoords; |
666 }; | 666 }; |
667 | 667 |
668 const GrAttribute* fInPosition; | 668 const GrAttribute* fInPosition; |
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782 vOffset, // start vertex | 782 vOffset, // start vertex |
783 0, // start index | 783 0, // start index |
784 draw.fVertexCnt, | 784 draw.fVertexCnt, |
785 draw.fIndexCnt, | 785 draw.fIndexCnt, |
786 &devBounds); | 786 &devBounds); |
787 vOffset += draw.fVertexCnt; | 787 vOffset += draw.fVertexCnt; |
788 } | 788 } |
789 | 789 |
790 return true; | 790 return true; |
791 } | 791 } |
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