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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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536 | 536 |
537 const Attribute* inPosition() const { return fInPosition; } | 537 const Attribute* inPosition() const { return fInPosition; } |
538 const Attribute* inQuadEdge() const { return fInQuadEdge; } | 538 const Attribute* inQuadEdge() const { return fInQuadEdge; } |
539 GrColor color() const { return fColor; } | 539 GrColor color() const { return fColor; } |
540 bool colorIgnored() const { return GrColor_ILLEGAL == fColor; } | 540 bool colorIgnored() const { return GrColor_ILLEGAL == fColor; } |
541 const SkMatrix& localMatrix() const { return fLocalMatrix; } | 541 const SkMatrix& localMatrix() const { return fLocalMatrix; } |
542 bool usesLocalCoords() const { return fUsesLocalCoords; } | 542 bool usesLocalCoords() const { return fUsesLocalCoords; } |
543 | 543 |
544 class GLProcessor : public GrGLGeometryProcessor { | 544 class GLProcessor : public GrGLGeometryProcessor { |
545 public: | 545 public: |
546 GLProcessor(const GrGeometryProcessor&, | 546 GLProcessor() |
547 const GrBatchTracker&) | |
548 : fColor(GrColor_ILLEGAL) {} | 547 : fColor(GrColor_ILLEGAL) {} |
549 | 548 |
550 void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { | 549 void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { |
551 const QuadEdgeEffect& qe = args.fGP.cast<QuadEdgeEffect>(); | 550 const QuadEdgeEffect& qe = args.fGP.cast<QuadEdgeEffect>(); |
552 GrGLGPBuilder* pb = args.fPB; | 551 GrGLGPBuilder* pb = args.fPB; |
553 GrGLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder(); | 552 GrGLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder(); |
554 | 553 |
555 // emit attributes | 554 // emit attributes |
556 vsBuilder->emitAttributes(qe); | 555 vsBuilder->emitAttributes(qe); |
557 | 556 |
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590 v.fsIn(), v.fsIn()); | 589 v.fsIn(), v.fsIn()); |
591 fsBuilder->codeAppendf("edgeAlpha = (%s.x*%s.x - %s.y);", v.fsIn(),
v.fsIn(), | 590 fsBuilder->codeAppendf("edgeAlpha = (%s.x*%s.x - %s.y);", v.fsIn(),
v.fsIn(), |
592 v.fsIn()); | 591 v.fsIn()); |
593 fsBuilder->codeAppendf("edgeAlpha = " | 592 fsBuilder->codeAppendf("edgeAlpha = " |
594 "clamp(0.5 - edgeAlpha / length(gF), 0.0, 1.0
);}"); | 593 "clamp(0.5 - edgeAlpha / length(gF), 0.0, 1.0
);}"); |
595 | 594 |
596 fsBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage
); | 595 fsBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage
); |
597 } | 596 } |
598 | 597 |
599 static inline void GenKey(const GrGeometryProcessor& gp, | 598 static inline void GenKey(const GrGeometryProcessor& gp, |
600 const GrBatchTracker& bt, | |
601 const GrGLSLCaps&, | 599 const GrGLSLCaps&, |
602 GrProcessorKeyBuilder* b) { | 600 GrProcessorKeyBuilder* b) { |
603 const QuadEdgeEffect& qee = gp.cast<QuadEdgeEffect>(); | 601 const QuadEdgeEffect& qee = gp.cast<QuadEdgeEffect>(); |
604 uint32_t key = 0; | 602 uint32_t key = 0; |
605 key |= qee.usesLocalCoords() && qee.localMatrix().hasPerspective() ?
0x1 : 0x0; | 603 key |= qee.usesLocalCoords() && qee.localMatrix().hasPerspective() ?
0x1 : 0x0; |
606 key |= qee.colorIgnored() ? 0x2 : 0x0; | 604 key |= qee.colorIgnored() ? 0x2 : 0x0; |
607 b->add32(key); | 605 b->add32(key); |
608 } | 606 } |
609 | 607 |
610 virtual void setData(const GrGLProgramDataManager& pdman, | 608 void setData(const GrGLProgramDataManager& pdman, const GrPrimitiveProce
ssor& gp) override { |
611 const GrPrimitiveProcessor& gp, | |
612 const GrBatchTracker& bt) override { | |
613 const QuadEdgeEffect& qe = gp.cast<QuadEdgeEffect>(); | 609 const QuadEdgeEffect& qe = gp.cast<QuadEdgeEffect>(); |
614 if (qe.color() != fColor) { | 610 if (qe.color() != fColor) { |
615 GrGLfloat c[4]; | 611 GrGLfloat c[4]; |
616 GrColorToRGBAFloat(qe.color(), c); | 612 GrColorToRGBAFloat(qe.color(), c); |
617 pdman.set4fv(fColorUniform, 1, c); | 613 pdman.set4fv(fColorUniform, 1, c); |
618 fColor = qe.color(); | 614 fColor = qe.color(); |
619 } | 615 } |
620 } | 616 } |
621 | 617 |
622 void setTransformData(const GrPrimitiveProcessor& primProc, | 618 void setTransformData(const GrPrimitiveProcessor& primProc, |
623 const GrGLProgramDataManager& pdman, | 619 const GrGLProgramDataManager& pdman, |
624 int index, | 620 int index, |
625 const SkTArray<const GrCoordTransform*, true>& tra
nsforms) override { | 621 const SkTArray<const GrCoordTransform*, true>& tra
nsforms) override { |
626 this->setTransformDataHelper<QuadEdgeEffect>(primProc, pdman, index,
transforms); | 622 this->setTransformDataHelper<QuadEdgeEffect>(primProc, pdman, index,
transforms); |
627 } | 623 } |
628 | 624 |
629 private: | 625 private: |
630 GrColor fColor; | 626 GrColor fColor; |
631 UniformHandle fColorUniform; | 627 UniformHandle fColorUniform; |
632 | 628 |
633 typedef GrGLGeometryProcessor INHERITED; | 629 typedef GrGLGeometryProcessor INHERITED; |
634 }; | 630 }; |
635 | 631 |
636 virtual void getGLProcessorKey(const GrBatchTracker& bt, | 632 void getGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) con
st override { |
637 const GrGLSLCaps& caps, | 633 GLProcessor::GenKey(*this, caps, b); |
638 GrProcessorKeyBuilder* b) const override { | |
639 GLProcessor::GenKey(*this, bt, caps, b); | |
640 } | 634 } |
641 | 635 |
642 virtual GrGLPrimitiveProcessor* createGLInstance(const GrBatchTracker& bt, | 636 GrGLPrimitiveProcessor* createGLInstance(const GrGLSLCaps&) const override { |
643 const GrGLSLCaps&) const ov
erride { | 637 return new GLProcessor(); |
644 return new GLProcessor(*this, bt); | |
645 } | 638 } |
646 | 639 |
647 private: | 640 private: |
648 QuadEdgeEffect(GrColor color, const SkMatrix& localMatrix, bool usesLocalCoo
rds) | 641 QuadEdgeEffect(GrColor color, const SkMatrix& localMatrix, bool usesLocalCoo
rds) |
649 : fColor(color) | 642 : fColor(color) |
650 , fLocalMatrix(localMatrix) | 643 , fLocalMatrix(localMatrix) |
651 , fUsesLocalCoords(usesLocalCoords) { | 644 , fUsesLocalCoords(usesLocalCoords) { |
652 this->initClassID<QuadEdgeEffect>(); | 645 this->initClassID<QuadEdgeEffect>(); |
653 fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVe
rtexAttribType)); | 646 fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVe
rtexAttribType)); |
654 fInQuadEdge = &this->addVertexAttrib(Attribute("inQuadEdge", kVec4f_GrVe
rtexAttribType)); | 647 fInQuadEdge = &this->addVertexAttrib(Attribute("inQuadEdge", kVec4f_GrVe
rtexAttribType)); |
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1012 DRAW_BATCH_TEST_DEFINE(AAConvexPathBatch) { | 1005 DRAW_BATCH_TEST_DEFINE(AAConvexPathBatch) { |
1013 AAConvexPathBatch::Geometry geometry; | 1006 AAConvexPathBatch::Geometry geometry; |
1014 geometry.fColor = GrRandomColor(random); | 1007 geometry.fColor = GrRandomColor(random); |
1015 geometry.fViewMatrix = GrTest::TestMatrixInvertible(random); | 1008 geometry.fViewMatrix = GrTest::TestMatrixInvertible(random); |
1016 geometry.fPath = GrTest::TestPathConvex(random); | 1009 geometry.fPath = GrTest::TestPathConvex(random); |
1017 | 1010 |
1018 return AAConvexPathBatch::Create(geometry); | 1011 return AAConvexPathBatch::Create(geometry); |
1019 } | 1012 } |
1020 | 1013 |
1021 #endif | 1014 #endif |
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