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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 "gl/builders/GrGLProgramBuilder.h" | 9 #include "gl/builders/GrGLProgramBuilder.h" |
| 10 #include "GrAAConvexPathRenderer.h" | 10 #include "GrAAConvexPathRenderer.h" |
| (...skipping 512 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 523 } | 523 } |
| 524 | 524 |
| 525 const GrShaderVar& inQuadEdge() const { return fInQuadEdge; } | 525 const GrShaderVar& inQuadEdge() const { return fInQuadEdge; } |
| 526 | 526 |
| 527 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE { | 527 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE { |
| 528 return GrTBackendEffectFactory<QuadEdgeEffect>::getInstance(); | 528 return GrTBackendEffectFactory<QuadEdgeEffect>::getInstance(); |
| 529 } | 529 } |
| 530 | 530 |
| 531 class GLEffect : public GrGLGeometryProcessor { | 531 class GLEffect : public GrGLGeometryProcessor { |
| 532 public: | 532 public: |
| 533 GLEffect(const GrBackendEffectFactory& factory, const GrEffect&) | 533 GLEffect(const GrBackendEffectFactory& factory, const GrDrawEffect&) |
| 534 : INHERITED (factory) {} | 534 : INHERITED (factory) {} |
| 535 | 535 |
| 536 virtual void emitCode(GrGLFullProgramBuilder* builder, | 536 virtual void emitCode(GrGLFullProgramBuilder* builder, |
| 537 const GrEffect& effect, | 537 const GrDrawEffect& drawEffect, |
| 538 const GrEffectKey& key, | 538 const GrEffectKey& key, |
| 539 const char* outputColor, | 539 const char* outputColor, |
| 540 const char* inputColor, | 540 const char* inputColor, |
| 541 const TransformedCoordsArray&, | 541 const TransformedCoordsArray&, |
| 542 const TextureSamplerArray& samplers) SK_OVERRIDE { | 542 const TextureSamplerArray& samplers) SK_OVERRIDE { |
| 543 const char *vsName, *fsName; | 543 const char *vsName, *fsName; |
| 544 builder->addVarying(kVec4f_GrSLType, "QuadEdge", &vsName, &fsName); | 544 builder->addVarying(kVec4f_GrSLType, "QuadEdge", &vsName, &fsName); |
| 545 | 545 |
| 546 GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBui
lder(); | 546 GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBui
lder(); |
| 547 | 547 |
| (...skipping 14 matching lines...) Expand all Loading... |
| 562 fsName, fsName); | 562 fsName, fsName); |
| 563 fsBuilder->codeAppendf("\t\t\tedgeAlpha = (%s.x*%s.x - %s.y);\n", fs
Name, fsName, | 563 fsBuilder->codeAppendf("\t\t\tedgeAlpha = (%s.x*%s.x - %s.y);\n", fs
Name, fsName, |
| 564 fsName); | 564 fsName); |
| 565 fsBuilder->codeAppendf("\t\t\tedgeAlpha = " | 565 fsBuilder->codeAppendf("\t\t\tedgeAlpha = " |
| 566 "clamp(0.5 - edgeAlpha / length(gF), 0.0, 1.0
);\n\t\t}\n"); | 566 "clamp(0.5 - edgeAlpha / length(gF), 0.0, 1.0
);\n\t\t}\n"); |
| 567 | 567 |
| 568 | 568 |
| 569 fsBuilder->codeAppendf("\t%s = %s;\n", outputColor, | 569 fsBuilder->codeAppendf("\t%s = %s;\n", outputColor, |
| 570 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("edgeA
lpha")).c_str()); | 570 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("edgeA
lpha")).c_str()); |
| 571 | 571 |
| 572 const GrShaderVar& inQuadEdge = effect.cast<QuadEdgeEffect>().inQuad
Edge(); | 572 const GrShaderVar& inQuadEdge = drawEffect.castEffect<QuadEdgeEffect
>().inQuadEdge(); |
| 573 GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder
(); | 573 GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder
(); |
| 574 vsBuilder->codeAppendf("\t%s = %s;\n", vsName, inQuadEdge.c_str()); | 574 vsBuilder->codeAppendf("\t%s = %s;\n", vsName, inQuadEdge.c_str()); |
| 575 } | 575 } |
| 576 | 576 |
| 577 static inline void GenKey(const GrEffect&, const GrGLCaps&, GrEffectKeyB
uilder*) {} | 577 static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffect
KeyBuilder*) {} |
| 578 | 578 |
| 579 virtual void setData(const GrGLProgramDataManager&, const GrEffect&) SK_
OVERRIDE {} | 579 virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&)
SK_OVERRIDE {} |
| 580 | 580 |
| 581 private: | 581 private: |
| 582 typedef GrGLGeometryProcessor INHERITED; | 582 typedef GrGLGeometryProcessor INHERITED; |
| 583 }; | 583 }; |
| 584 | 584 |
| 585 private: | 585 private: |
| 586 QuadEdgeEffect() | 586 QuadEdgeEffect() |
| 587 : fInQuadEdge(this->addVertexAttrib(GrShaderVar("inQuadEdge", | 587 : fInQuadEdge(this->addVertexAttrib(GrShaderVar("inQuadEdge", |
| 588 kVec4f_GrSLType, | 588 kVec4f_GrSLType, |
| 589 GrShaderVar::kAttribute_
TypeModifier))) { | 589 GrShaderVar::kAttribute_
TypeModifier))) { |
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| 713 vOffset, // start vertex | 713 vOffset, // start vertex |
| 714 0, // start index | 714 0, // start index |
| 715 draw.fVertexCnt, | 715 draw.fVertexCnt, |
| 716 draw.fIndexCnt, | 716 draw.fIndexCnt, |
| 717 &devBounds); | 717 &devBounds); |
| 718 vOffset += draw.fVertexCnt; | 718 vOffset += draw.fVertexCnt; |
| 719 } | 719 } |
| 720 | 720 |
| 721 return true; | 721 return true; |
| 722 } | 722 } |
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