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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 "GrAAHairLinePathRenderer.h" | 8 #include "GrAAHairLinePathRenderer.h" |
9 | 9 |
10 #include "GrBatchFlushState.h" | 10 #include "GrBatchFlushState.h" |
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665 } | 665 } |
666 if (!first) { | 666 if (!first) { |
667 return tolDevBounds.contains(actualBounds); | 667 return tolDevBounds.contains(actualBounds); |
668 } | 668 } |
669 | 669 |
670 return true; | 670 return true; |
671 } | 671 } |
672 | 672 |
673 class AAHairlineBatch : public GrVertexBatch { | 673 class AAHairlineBatch : public GrVertexBatch { |
674 public: | 674 public: |
675 DEFINE_BATCH_CLASS_ID | |
676 | |
677 struct Geometry { | 675 struct Geometry { |
678 GrColor fColor; | 676 GrColor fColor; |
679 uint8_t fCoverage; | 677 uint8_t fCoverage; |
680 SkMatrix fViewMatrix; | 678 SkMatrix fViewMatrix; |
681 SkPath fPath; | 679 SkPath fPath; |
682 SkIRect fDevClipBounds; | 680 SkIRect fDevClipBounds; |
683 }; | 681 }; |
684 | 682 |
685 static GrDrawBatch* Create(const Geometry& geometry) { return new AAHairline
Batch(geometry); } | 683 static GrDrawBatch* Create(const Geometry& geometry) { return new AAHairline
Batch(geometry); } |
686 | 684 |
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711 } | 709 } |
712 | 710 |
713 SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } | 711 SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } |
714 | 712 |
715 void onPrepareDraws(Target*) override; | 713 void onPrepareDraws(Target*) override; |
716 | 714 |
717 typedef SkTArray<SkPoint, true> PtArray; | 715 typedef SkTArray<SkPoint, true> PtArray; |
718 typedef SkTArray<int, true> IntArray; | 716 typedef SkTArray<int, true> IntArray; |
719 typedef SkTArray<float, true> FloatArray; | 717 typedef SkTArray<float, true> FloatArray; |
720 | 718 |
721 AAHairlineBatch(const Geometry& geometry) : INHERITED(ClassID()) { | 719 AAHairlineBatch(const Geometry& geometry) { |
| 720 this->initClassID<AAHairlineBatch>(); |
722 fGeoData.push_back(geometry); | 721 fGeoData.push_back(geometry); |
723 | 722 |
724 // compute bounds | 723 // compute bounds |
725 fBounds = geometry.fPath.getBounds(); | 724 fBounds = geometry.fPath.getBounds(); |
726 geometry.fViewMatrix.mapRect(&fBounds); | 725 geometry.fViewMatrix.mapRect(&fBounds); |
727 | 726 |
728 // This is b.c. hairlines are notionally infinitely thin so without expa
nsion | 727 // This is b.c. hairlines are notionally infinitely thin so without expa
nsion |
729 // two overlapping lines could be reordered even though they hit the sam
e pixels. | 728 // two overlapping lines could be reordered even though they hit the sam
e pixels. |
730 fBounds.outset(0.5f, 0.5f); | 729 fBounds.outset(0.5f, 0.5f); |
731 } | 730 } |
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779 GrColor fColor; | 778 GrColor fColor; |
780 uint8_t fCoverage; | 779 uint8_t fCoverage; |
781 SkRect fDevBounds; | 780 SkRect fDevBounds; |
782 bool fUsesLocalCoords; | 781 bool fUsesLocalCoords; |
783 bool fColorIgnored; | 782 bool fColorIgnored; |
784 bool fCoverageIgnored; | 783 bool fCoverageIgnored; |
785 }; | 784 }; |
786 | 785 |
787 BatchTracker fBatch; | 786 BatchTracker fBatch; |
788 SkSTArray<1, Geometry, true> fGeoData; | 787 SkSTArray<1, Geometry, true> fGeoData; |
789 | |
790 typedef GrVertexBatch INHERITED; | |
791 }; | 788 }; |
792 | 789 |
793 void AAHairlineBatch::onPrepareDraws(Target* target) { | 790 void AAHairlineBatch::onPrepareDraws(Target* target) { |
794 // Setup the viewmatrix and localmatrix for the GrGeometryProcessor. | 791 // Setup the viewmatrix and localmatrix for the GrGeometryProcessor. |
795 SkMatrix invert; | 792 SkMatrix invert; |
796 if (!this->viewMatrix().invert(&invert)) { | 793 if (!this->viewMatrix().invert(&invert)) { |
797 return; | 794 return; |
798 } | 795 } |
799 | 796 |
800 // we will transform to identity space if the viewmatrix does not have persp
ective | 797 // we will transform to identity space if the viewmatrix does not have persp
ective |
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992 GrColor color = GrRandomColor(random); | 989 GrColor color = GrRandomColor(random); |
993 SkMatrix viewMatrix = GrTest::TestMatrix(random); | 990 SkMatrix viewMatrix = GrTest::TestMatrix(random); |
994 GrStrokeInfo stroke(SkStrokeRec::kHairline_InitStyle); | 991 GrStrokeInfo stroke(SkStrokeRec::kHairline_InitStyle); |
995 SkPath path = GrTest::TestPath(random); | 992 SkPath path = GrTest::TestPath(random); |
996 SkIRect devClipBounds; | 993 SkIRect devClipBounds; |
997 devClipBounds.setEmpty(); | 994 devClipBounds.setEmpty(); |
998 return create_hairline_batch(color, viewMatrix, path, stroke, devClipBounds)
; | 995 return create_hairline_batch(color, viewMatrix, path, stroke, devClipBounds)
; |
999 } | 996 } |
1000 | 997 |
1001 #endif | 998 #endif |
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