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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 "SkTwoPointRadialGradient.h" | 9 #include "SkTwoPointRadialGradient.h" |
10 | 10 |
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528 fIsDegenerate = data.isDegenerate(); | 528 fIsDegenerate = data.isDegenerate(); |
529 } | 529 } |
530 | 530 |
531 void GrGLRadial2Gradient::emitCode(GrGLShaderBuilder* builder, | 531 void GrGLRadial2Gradient::emitCode(GrGLShaderBuilder* builder, |
532 const GrDrawEffect& drawEffect, | 532 const GrDrawEffect& drawEffect, |
533 EffectKey key, | 533 EffectKey key, |
534 const char* outputColor, | 534 const char* outputColor, |
535 const char* inputColor, | 535 const char* inputColor, |
536 const TextureSamplerArray& samplers) { | 536 const TextureSamplerArray& samplers) { |
537 | 537 |
538 this->emitYCoordUniform(builder); | 538 this->emitUniforms(builder, key); |
539 const char* fsCoords; | 539 const char* fsCoords; |
540 const char* vsCoordsVarying; | 540 const char* vsCoordsVarying; |
541 GrSLType coordsVaryingType; | 541 GrSLType coordsVaryingType; |
542 this->setupMatrix(builder, key, &fsCoords, &vsCoordsVarying, &coordsVaryingT
ype); | 542 this->setupMatrix(builder, key, &fsCoords, &vsCoordsVarying, &coordsVaryingT
ype); |
543 | 543 |
544 // 2 copies of uniform array, 1 for each of vertex & fragment shader, | 544 // 2 copies of uniform array, 1 for each of vertex & fragment shader, |
545 // to work around Xoom bug. Doesn't seem to cause performance decrease | 545 // to work around Xoom bug. Doesn't seem to cause performance decrease |
546 // in test apps, but need to keep an eye on it. | 546 // in test apps, but need to keep an eye on it. |
547 fVSParamUni = builder->addUniformArray(GrGLShaderBuilder::kVertex_ShaderType
, | 547 fVSParamUni = builder->addUniformArray(GrGLShaderBuilder::kVertex_ShaderType
, |
548 kFloat_GrSLType, "Radial2VSParams", 6
); | 548 kFloat_GrSLType, "Radial2VSParams", 6
); |
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625 ac4Name.c_str()); | 625 ac4Name.c_str()); |
626 | 626 |
627 // t is: (-b + params[5] * sqrt(b^2-4ac)) * params[1] | 627 // t is: (-b + params[5] * sqrt(b^2-4ac)) * params[1] |
628 t.printf("(-%s + %s * %s) * %s", bVar.c_str(), p5.c_str(), | 628 t.printf("(-%s + %s * %s) * %s", bVar.c_str(), p5.c_str(), |
629 rootName.c_str(), p1.c_str()); | 629 rootName.c_str(), p1.c_str()); |
630 } else { | 630 } else { |
631 // t is: -c/b | 631 // t is: -c/b |
632 t.printf("-%s / %s", cName.c_str(), bVar.c_str()); | 632 t.printf("-%s / %s", cName.c_str(), bVar.c_str()); |
633 } | 633 } |
634 | 634 |
635 this->emitColorLookup(builder, t.c_str(), outputColor, inputColor, sampl
ers[0]); | 635 this->emitColor(builder, t.c_str(), key, outputColor, inputColor, sample
rs); |
636 } | 636 } |
637 } | 637 } |
638 | 638 |
639 void GrGLRadial2Gradient::setData(const GrGLUniformManager& uman, | 639 void GrGLRadial2Gradient::setData(const GrGLUniformManager& uman, |
640 const GrDrawEffect& drawEffect) { | 640 const GrDrawEffect& drawEffect) { |
641 INHERITED::setData(uman, drawEffect); | 641 INHERITED::setData(uman, drawEffect); |
642 const GrRadial2Gradient& data = drawEffect.castEffect<GrRadial2Gradient>(); | 642 const GrRadial2Gradient& data = drawEffect.castEffect<GrRadial2Gradient>(); |
643 GrAssert(data.isDegenerate() == fIsDegenerate); | 643 GrAssert(data.isDegenerate() == fIsDegenerate); |
644 SkScalar centerX1 = data.center(); | 644 SkScalar centerX1 = data.center(); |
645 SkScalar radius0 = data.radius(); | 645 SkScalar radius0 = data.radius(); |
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670 fCachedPosRoot = data.isPosRoot(); | 670 fCachedPosRoot = data.isPosRoot(); |
671 } | 671 } |
672 } | 672 } |
673 | 673 |
674 GrGLEffect::EffectKey GrGLRadial2Gradient::GenKey(const GrDrawEffect& drawEffect
, | 674 GrGLEffect::EffectKey GrGLRadial2Gradient::GenKey(const GrDrawEffect& drawEffect
, |
675 const GrGLCaps&) { | 675 const GrGLCaps&) { |
676 enum { | 676 enum { |
677 kIsDegenerate = 1 << kMatrixKeyBitCnt, | 677 kIsDegenerate = 1 << kMatrixKeyBitCnt, |
678 }; | 678 }; |
679 | 679 |
680 EffectKey key = GenMatrixKey(drawEffect); | 680 EffectKey key = GenBaseGradientKey(drawEffect); |
681 if (drawEffect.castEffect<GrRadial2Gradient>().isDegenerate()) { | 681 if (drawEffect.castEffect<GrRadial2Gradient>().isDegenerate()) { |
682 key |= kIsDegenerate; | 682 key |= kIsDegenerate; |
683 } | 683 } |
684 return key; | 684 return key; |
685 } | 685 } |
686 | 686 |
687 ///////////////////////////////////////////////////////////////////// | 687 ///////////////////////////////////////////////////////////////////// |
688 | 688 |
689 GrEffectRef* SkTwoPointRadialGradient::asNewEffect(GrContext* context, const SkP
aint&) const { | 689 GrEffectRef* SkTwoPointRadialGradient::asNewEffect(GrContext* context, const SkP
aint&) const { |
690 SkASSERT(NULL != context); | 690 SkASSERT(NULL != context); |
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708 } | 708 } |
709 | 709 |
710 #else | 710 #else |
711 | 711 |
712 GrEffectRef* SkTwoPointRadialGradient::asNewEffect(GrContext*, const SkPaint&) c
onst { | 712 GrEffectRef* SkTwoPointRadialGradient::asNewEffect(GrContext*, const SkPaint&) c
onst { |
713 SkDEBUGFAIL("Should not call in GPU-less build"); | 713 SkDEBUGFAIL("Should not call in GPU-less build"); |
714 return NULL; | 714 return NULL; |
715 } | 715 } |
716 | 716 |
717 #endif | 717 #endif |
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