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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 |
11 #include "GrContext.h" | 11 #include "GrContext.h" |
12 #include "GrDrawState.h" | 12 #include "GrDrawState.h" |
13 #include "GrDrawTargetCaps.h" | 13 #include "GrDrawTargetCaps.h" |
| 14 #include "GrGeometryProcessor.h" |
14 #include "GrInvariantOutput.h" | 15 #include "GrInvariantOutput.h" |
15 #include "GrProcessor.h" | 16 #include "GrProcessor.h" |
16 #include "GrPathUtils.h" | 17 #include "GrPathUtils.h" |
17 #include "GrTBackendProcessorFactory.h" | |
18 #include "SkString.h" | 18 #include "SkString.h" |
19 #include "SkStrokeRec.h" | 19 #include "SkStrokeRec.h" |
20 #include "SkTraceEvent.h" | 20 #include "SkTraceEvent.h" |
21 | |
22 #include "gl/builders/GrGLProgramBuilder.h" | |
23 #include "gl/GrGLProcessor.h" | 21 #include "gl/GrGLProcessor.h" |
24 #include "gl/GrGLSL.h" | 22 #include "gl/GrGLSL.h" |
25 #include "gl/GrGLGeometryProcessor.h" | 23 #include "gl/GrGLGeometryProcessor.h" |
26 | 24 #include "gl/builders/GrGLProgramBuilder.h" |
27 #include "GrGeometryProcessor.h" | |
28 | 25 |
29 GrAAConvexPathRenderer::GrAAConvexPathRenderer() { | 26 GrAAConvexPathRenderer::GrAAConvexPathRenderer() { |
30 } | 27 } |
31 | 28 |
32 struct Segment { | 29 struct Segment { |
33 enum { | 30 enum { |
34 // These enum values are assumed in member functions below. | 31 // These enum values are assumed in member functions below. |
35 kLine = 0, | 32 kLine = 0, |
36 kQuad = 1, | 33 kQuad = 1, |
37 } fType; | 34 } fType; |
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509 public: | 506 public: |
510 | 507 |
511 static GrGeometryProcessor* Create() { | 508 static GrGeometryProcessor* Create() { |
512 GR_CREATE_STATIC_PROCESSOR(gQuadEdgeEffect, QuadEdgeEffect, ()); | 509 GR_CREATE_STATIC_PROCESSOR(gQuadEdgeEffect, QuadEdgeEffect, ()); |
513 gQuadEdgeEffect->ref(); | 510 gQuadEdgeEffect->ref(); |
514 return gQuadEdgeEffect; | 511 return gQuadEdgeEffect; |
515 } | 512 } |
516 | 513 |
517 virtual ~QuadEdgeEffect() {} | 514 virtual ~QuadEdgeEffect() {} |
518 | 515 |
519 static const char* Name() { return "QuadEdge"; } | 516 virtual const char* name() const SK_OVERRIDE { return "QuadEdge"; } |
520 | 517 |
521 const GrAttribute* inPosition() const { return fInPosition; } | 518 const GrAttribute* inPosition() const { return fInPosition; } |
522 const GrAttribute* inQuadEdge() const { return fInQuadEdge; } | 519 const GrAttribute* inQuadEdge() const { return fInQuadEdge; } |
523 | 520 |
524 virtual const GrBackendGeometryProcessorFactory& getFactory() const SK_OVERR
IDE { | |
525 return GrTBackendGeometryProcessorFactory<QuadEdgeEffect>::getInstance()
; | |
526 } | |
527 | |
528 class GLProcessor : public GrGLGeometryProcessor { | 521 class GLProcessor : public GrGLGeometryProcessor { |
529 public: | 522 public: |
530 GLProcessor(const GrBackendProcessorFactory& factory, | 523 GLProcessor(const GrGeometryProcessor&, |
531 const GrGeometryProcessor&, | 524 const GrBatchTracker&) {} |
532 const GrBatchTracker&) | |
533 : INHERITED (factory) {} | |
534 | 525 |
535 virtual void emitCode(const EmitArgs& args) SK_OVERRIDE { | 526 virtual void emitCode(const EmitArgs& args) SK_OVERRIDE { |
536 const QuadEdgeEffect& qe = args.fGP.cast<QuadEdgeEffect>(); | 527 const QuadEdgeEffect& qe = args.fGP.cast<QuadEdgeEffect>(); |
537 GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder(); | 528 GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder(); |
538 | 529 |
539 GrGLVertToFrag v(kVec4f_GrSLType); | 530 GrGLVertToFrag v(kVec4f_GrSLType); |
540 args.fPB->addVarying("QuadEdge", &v); | 531 args.fPB->addVarying("QuadEdge", &v); |
541 vsBuilder->codeAppendf("%s = %s;", v.vsOut(), qe.inQuadEdge()->fName
); | 532 vsBuilder->codeAppendf("%s = %s;", v.vsOut(), qe.inQuadEdge()->fName
); |
542 | 533 |
543 // setup coord outputs | 534 // setup coord outputs |
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579 GrProcessorKeyBuilder*) {} | 570 GrProcessorKeyBuilder*) {} |
580 | 571 |
581 virtual void setData(const GrGLProgramDataManager&, | 572 virtual void setData(const GrGLProgramDataManager&, |
582 const GrGeometryProcessor&, | 573 const GrGeometryProcessor&, |
583 const GrBatchTracker&) SK_OVERRIDE {} | 574 const GrBatchTracker&) SK_OVERRIDE {} |
584 | 575 |
585 private: | 576 private: |
586 typedef GrGLGeometryProcessor INHERITED; | 577 typedef GrGLGeometryProcessor INHERITED; |
587 }; | 578 }; |
588 | 579 |
| 580 virtual void getGLProcessorKey(const GrBatchTracker& bt, |
| 581 const GrGLCaps& caps, |
| 582 GrProcessorKeyBuilder* b) const SK_OVERRIDE { |
| 583 GLProcessor::GenKey(*this, bt, caps, b); |
| 584 } |
| 585 |
| 586 virtual GrGLGeometryProcessor* createGLInstance(const GrBatchTracker& bt) co
nst SK_OVERRIDE { |
| 587 return SkNEW_ARGS(GLProcessor, (*this, bt)); |
| 588 } |
| 589 |
589 private: | 590 private: |
590 QuadEdgeEffect() { | 591 QuadEdgeEffect() { |
| 592 this->initClassID<QuadEdgeEffect>(); |
591 fInPosition = &this->addVertexAttrib(GrAttribute("inPosition", kVec2f_Gr
VertexAttribType)); | 593 fInPosition = &this->addVertexAttrib(GrAttribute("inPosition", kVec2f_Gr
VertexAttribType)); |
592 fInQuadEdge = &this->addVertexAttrib(GrAttribute("inQuadEdge", kVec4f_Gr
VertexAttribType)); | 594 fInQuadEdge = &this->addVertexAttrib(GrAttribute("inQuadEdge", kVec4f_Gr
VertexAttribType)); |
593 } | 595 } |
594 | 596 |
595 virtual bool onIsEqual(const GrGeometryProcessor& other) const SK_OVERRIDE { | 597 virtual bool onIsEqual(const GrGeometryProcessor& other) const SK_OVERRIDE { |
596 return true; | 598 return true; |
597 } | 599 } |
598 | 600 |
599 virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVE
RRIDE { | 601 virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVE
RRIDE { |
600 inout->mulByUnknownAlpha(); | 602 inout->mulByUnknownAlpha(); |
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712 vOffset, // start vertex | 714 vOffset, // start vertex |
713 0, // start index | 715 0, // start index |
714 draw.fVertexCnt, | 716 draw.fVertexCnt, |
715 draw.fIndexCnt, | 717 draw.fIndexCnt, |
716 &devBounds); | 718 &devBounds); |
717 vOffset += draw.fVertexCnt; | 719 vOffset += draw.fVertexCnt; |
718 } | 720 } |
719 | 721 |
720 return true; | 722 return true; |
721 } | 723 } |
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