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| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 "GrDashingEffect.h" | 8 #include "GrDashingEffect.h" |
| 9 | 9 |
| 10 #include "../GrAARectRenderer.h" | 10 #include "../GrAARectRenderer.h" |
| (...skipping 460 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 471 virtual void emitCode(GrGLFullShaderBuilder* builder, | 471 virtual void emitCode(GrGLFullShaderBuilder* builder, |
| 472 const GrDrawEffect& drawEffect, | 472 const GrDrawEffect& drawEffect, |
| 473 const GrEffectKey& key, | 473 const GrEffectKey& key, |
| 474 const char* outputColor, | 474 const char* outputColor, |
| 475 const char* inputColor, | 475 const char* inputColor, |
| 476 const TransformedCoordsArray&, | 476 const TransformedCoordsArray&, |
| 477 const TextureSamplerArray&) SK_OVERRIDE; | 477 const TextureSamplerArray&) SK_OVERRIDE; |
| 478 | 478 |
| 479 static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyB
uilder*); | 479 static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyB
uilder*); |
| 480 | 480 |
| 481 virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVER
RIDE; | 481 virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_
OVERRIDE; |
| 482 | 482 |
| 483 private: | 483 private: |
| 484 GrGLUniformManager::UniformHandle fParamUniform; | 484 GrGLProgramDataManager::UniformHandle fParamUniform; |
| 485 SkScalar fPrevRadius; | 485 SkScalar fPrevRadius; |
| 486 SkScalar fPrevCenterX; | 486 SkScalar fPrevCenterX; |
| 487 SkScalar fPrevIntervalLength; | 487 SkScalar fPrevIntervalLength; |
| 488 typedef GrGLVertexEffect INHERITED; | 488 typedef GrGLVertexEffect INHERITED; |
| 489 }; | 489 }; |
| 490 | 490 |
| 491 GLDashingCircleEffect::GLDashingCircleEffect(const GrBackendEffectFactory& facto
ry, | 491 GLDashingCircleEffect::GLDashingCircleEffect(const GrBackendEffectFactory& facto
ry, |
| 492 const GrDrawEffect& drawEffect) | 492 const GrDrawEffect& drawEffect) |
| 493 : INHERITED (factory) { | 493 : INHERITED (factory) { |
| 494 fPrevRadius = SK_ScalarMin; | 494 fPrevRadius = SK_ScalarMin; |
| 495 fPrevCenterX = SK_ScalarMin; | 495 fPrevCenterX = SK_ScalarMin; |
| 496 fPrevIntervalLength = SK_ScalarMax; | 496 fPrevIntervalLength = SK_ScalarMax; |
| 497 } | 497 } |
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| 529 builder->fsCodeAppend("\t\tdiff = 1.0 - diff;\n"); | 529 builder->fsCodeAppend("\t\tdiff = 1.0 - diff;\n"); |
| 530 builder->fsCodeAppend("\t\tfloat alpha = clamp(diff, 0.0, 1.0);\n"); | 530 builder->fsCodeAppend("\t\tfloat alpha = clamp(diff, 0.0, 1.0);\n"); |
| 531 } else { | 531 } else { |
| 532 builder->fsCodeAppendf("\t\tfloat alpha = 1.0;\n"); | 532 builder->fsCodeAppendf("\t\tfloat alpha = 1.0;\n"); |
| 533 builder->fsCodeAppendf("\t\talpha *= dist < %s.x + 0.5 ? 1.0 : 0.0;\n",
paramName); | 533 builder->fsCodeAppendf("\t\talpha *= dist < %s.x + 0.5 ? 1.0 : 0.0;\n",
paramName); |
| 534 } | 534 } |
| 535 builder->fsCodeAppendf("\t\t%s = %s;\n", outputColor, | 535 builder->fsCodeAppendf("\t\t%s = %s;\n", outputColor, |
| 536 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_st
r()); | 536 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_st
r()); |
| 537 } | 537 } |
| 538 | 538 |
| 539 void GLDashingCircleEffect::setData(const GrGLUniformManager& uman, const GrDraw
Effect& drawEffect) { | 539 void GLDashingCircleEffect::setData(const GrGLProgramDataManager& pdman, const G
rDrawEffect& drawEffect) { |
| 540 const DashingCircleEffect& dce = drawEffect.castEffect<DashingCircleEffect>(
); | 540 const DashingCircleEffect& dce = drawEffect.castEffect<DashingCircleEffect>(
); |
| 541 SkScalar radius = dce.getRadius(); | 541 SkScalar radius = dce.getRadius(); |
| 542 SkScalar centerX = dce.getCenterX(); | 542 SkScalar centerX = dce.getCenterX(); |
| 543 SkScalar intervalLength = dce.getIntervalLength(); | 543 SkScalar intervalLength = dce.getIntervalLength(); |
| 544 if (radius != fPrevRadius || centerX != fPrevCenterX || intervalLength != fP
revIntervalLength) { | 544 if (radius != fPrevRadius || centerX != fPrevCenterX || intervalLength != fP
revIntervalLength) { |
| 545 uman.set3f(fParamUniform, radius - 0.5f, centerX, intervalLength); | 545 pdman.set3f(fParamUniform, radius - 0.5f, centerX, intervalLength); |
| 546 fPrevRadius = radius; | 546 fPrevRadius = radius; |
| 547 fPrevCenterX = centerX; | 547 fPrevCenterX = centerX; |
| 548 fPrevIntervalLength = intervalLength; | 548 fPrevIntervalLength = intervalLength; |
| 549 } | 549 } |
| 550 } | 550 } |
| 551 | 551 |
| 552 void GLDashingCircleEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCap
s&, | 552 void GLDashingCircleEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCap
s&, |
| 553 GrEffectKeyBuilder* b) { | 553 GrEffectKeyBuilder* b) { |
| 554 const DashingCircleEffect& dce = drawEffect.castEffect<DashingCircleEffect>(
); | 554 const DashingCircleEffect& dce = drawEffect.castEffect<DashingCircleEffect>(
); |
| 555 b->add32(dce.getEdgeType()); | 555 b->add32(dce.getEdgeType()); |
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| 676 virtual void emitCode(GrGLFullShaderBuilder* builder, | 676 virtual void emitCode(GrGLFullShaderBuilder* builder, |
| 677 const GrDrawEffect& drawEffect, | 677 const GrDrawEffect& drawEffect, |
| 678 const GrEffectKey& key, | 678 const GrEffectKey& key, |
| 679 const char* outputColor, | 679 const char* outputColor, |
| 680 const char* inputColor, | 680 const char* inputColor, |
| 681 const TransformedCoordsArray&, | 681 const TransformedCoordsArray&, |
| 682 const TextureSamplerArray&) SK_OVERRIDE; | 682 const TextureSamplerArray&) SK_OVERRIDE; |
| 683 | 683 |
| 684 static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyB
uilder*); | 684 static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyB
uilder*); |
| 685 | 685 |
| 686 virtual void setData(const GrGLUniformManager&, const GrDrawEffect&) SK_OVER
RIDE; | 686 virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_
OVERRIDE; |
| 687 | 687 |
| 688 private: | 688 private: |
| 689 GrGLUniformManager::UniformHandle fRectUniform; | 689 GrGLProgramDataManager::UniformHandle fRectUniform; |
| 690 GrGLUniformManager::UniformHandle fIntervalUniform; | 690 GrGLProgramDataManager::UniformHandle fIntervalUniform; |
| 691 SkRect fPrevRect; | 691 SkRect fPrevRect; |
| 692 SkScalar fPrevIntervalLength; | 692 SkScalar fPrevIntervalLength; |
| 693 typedef GrGLVertexEffect INHERITED; | 693 typedef GrGLVertexEffect INHERITED; |
| 694 }; | 694 }; |
| 695 | 695 |
| 696 GLDashingLineEffect::GLDashingLineEffect(const GrBackendEffectFactory& factory, | 696 GLDashingLineEffect::GLDashingLineEffect(const GrBackendEffectFactory& factory, |
| 697 const GrDrawEffect& drawEffect) | 697 const GrDrawEffect& drawEffect) |
| 698 : INHERITED (factory) { | 698 : INHERITED (factory) { |
| 699 fPrevRect.fLeft = SK_ScalarNaN; | 699 fPrevRect.fLeft = SK_ScalarNaN; |
| 700 fPrevIntervalLength = SK_ScalarMax; | 700 fPrevIntervalLength = SK_ScalarMax; |
| 701 } | 701 } |
| 702 | 702 |
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| 746 } else { | 746 } else { |
| 747 // Assuming the bounding geometry is tight so no need to check y values | 747 // Assuming the bounding geometry is tight so no need to check y values |
| 748 builder->fsCodeAppendf("\t\tfloat alpha = 1.0;\n"); | 748 builder->fsCodeAppendf("\t\tfloat alpha = 1.0;\n"); |
| 749 builder->fsCodeAppendf("\t\talpha *= (fragPosShifted.x - %s.x) > -0.5 ?
1.0 : 0.0;\n", rectName); | 749 builder->fsCodeAppendf("\t\talpha *= (fragPosShifted.x - %s.x) > -0.5 ?
1.0 : 0.0;\n", rectName); |
| 750 builder->fsCodeAppendf("\t\talpha *= (%s.z - fragPosShifted.x) >= -0.5 ?
1.0 : 0.0;\n", rectName); | 750 builder->fsCodeAppendf("\t\talpha *= (%s.z - fragPosShifted.x) >= -0.5 ?
1.0 : 0.0;\n", rectName); |
| 751 } | 751 } |
| 752 builder->fsCodeAppendf("\t\t%s = %s;\n", outputColor, | 752 builder->fsCodeAppendf("\t\t%s = %s;\n", outputColor, |
| 753 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_st
r()); | 753 (GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_st
r()); |
| 754 } | 754 } |
| 755 | 755 |
| 756 void GLDashingLineEffect::setData(const GrGLUniformManager& uman, const GrDrawEf
fect& drawEffect) { | 756 void GLDashingLineEffect::setData(const GrGLProgramDataManager& pdman, const GrD
rawEffect& drawEffect) { |
| 757 const DashingLineEffect& de = drawEffect.castEffect<DashingLineEffect>(); | 757 const DashingLineEffect& de = drawEffect.castEffect<DashingLineEffect>(); |
| 758 const SkRect& rect = de.getRect(); | 758 const SkRect& rect = de.getRect(); |
| 759 SkScalar intervalLength = de.getIntervalLength(); | 759 SkScalar intervalLength = de.getIntervalLength(); |
| 760 if (rect != fPrevRect || intervalLength != fPrevIntervalLength) { | 760 if (rect != fPrevRect || intervalLength != fPrevIntervalLength) { |
| 761 uman.set4f(fRectUniform, rect.fLeft + 0.5f, rect.fTop + 0.5f, | 761 pdman.set4f(fRectUniform, rect.fLeft + 0.5f, rect.fTop + 0.5f, |
| 762 rect.fRight - 0.5f, rect.fBottom - 0.5f); | 762 rect.fRight - 0.5f, rect.fBottom - 0.5f); |
| 763 uman.set1f(fIntervalUniform, intervalLength); | 763 pdman.set1f(fIntervalUniform, intervalLength); |
| 764 fPrevRect = rect; | 764 fPrevRect = rect; |
| 765 fPrevIntervalLength = intervalLength; | 765 fPrevIntervalLength = intervalLength; |
| 766 } | 766 } |
| 767 } | 767 } |
| 768 | 768 |
| 769 void GLDashingLineEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&
, | 769 void GLDashingLineEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&
, |
| 770 GrEffectKeyBuilder* b) { | 770 GrEffectKeyBuilder* b) { |
| 771 const DashingLineEffect& de = drawEffect.castEffect<DashingLineEffect>(); | 771 const DashingLineEffect& de = drawEffect.castEffect<DashingLineEffect>(); |
| 772 b->add32(de.getEdgeType()); | 772 b->add32(de.getEdgeType()); |
| 773 } | 773 } |
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| 842 switch (cap) { | 842 switch (cap) { |
| 843 case GrDashingEffect::kRound_DashCap: | 843 case GrDashingEffect::kRound_DashCap: |
| 844 return DashingCircleEffect::Create(edgeType, info, SkScalarHalf(stro
keWidth)); | 844 return DashingCircleEffect::Create(edgeType, info, SkScalarHalf(stro
keWidth)); |
| 845 case GrDashingEffect::kNonRound_DashCap: | 845 case GrDashingEffect::kNonRound_DashCap: |
| 846 return DashingLineEffect::Create(edgeType, info, strokeWidth); | 846 return DashingLineEffect::Create(edgeType, info, strokeWidth); |
| 847 default: | 847 default: |
| 848 SkFAIL("Unexpected dashed cap."); | 848 SkFAIL("Unexpected dashed cap."); |
| 849 } | 849 } |
| 850 return NULL; | 850 return NULL; |
| 851 } | 851 } |
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