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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 "effects/GrPorterDuffXferProcessor.h" | 8 #include "effects/GrPorterDuffXferProcessor.h" |
9 | 9 |
10 #include "GrBlend.h" | 10 #include "GrBlend.h" |
11 #include "GrCaps.h" | 11 #include "GrCaps.h" |
12 #include "GrProcessor.h" | 12 #include "GrProcessor.h" |
13 #include "GrProcOptInfo.h" | 13 #include "GrProcOptInfo.h" |
14 #include "GrTypes.h" | 14 #include "GrTypes.h" |
15 #include "GrXferProcessor.h" | 15 #include "GrXferProcessor.h" |
16 #include "gl/GrGLSLBlend.h" | 16 #include "gl/GrGLSLBlend.h" |
17 #include "gl/GrGLXferProcessor.h" | 17 #include "gl/GrGLXferProcessor.h" |
18 #include "gl/builders/GrGLFragmentShaderBuilder.h" | 18 #include "gl/builders/GrGLFragmentShaderBuilder.h" |
19 #include "gl/builders/GrGLProgramBuilder.h" | 19 #include "gl/builders/GrGLProgramBuilder.h" |
| 20 #include "glsl/GrGLSLProgramDataManager.h" |
20 | 21 |
21 /** | 22 /** |
22 * Wraps the shader outputs and HW blend state that comprise a Porter Duff blend
mode with coverage. | 23 * Wraps the shader outputs and HW blend state that comprise a Porter Duff blend
mode with coverage. |
23 */ | 24 */ |
24 struct BlendFormula { | 25 struct BlendFormula { |
25 public: | 26 public: |
26 /** | 27 /** |
27 * Values the shader can write to primary and secondary outputs. These must
all be modulated by | 28 * Values the shader can write to primary and secondary outputs. These must
all be modulated by |
28 * coverage to support mixed samples. The XP will ignore the multiplies when
not using coverage. | 29 * coverage to support mixed samples. The XP will ignore the multiplies when
not using coverage. |
29 */ | 30 */ |
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443 | 444 |
444 BlendFormula blendFormula = xp.getBlendFormula(); | 445 BlendFormula blendFormula = xp.getBlendFormula(); |
445 if (blendFormula.hasSecondaryOutput()) { | 446 if (blendFormula.hasSecondaryOutput()) { |
446 append_color_output(xp, fsBuilder, blendFormula.fSecondaryOutputType
, | 447 append_color_output(xp, fsBuilder, blendFormula.fSecondaryOutputType
, |
447 args.fOutputSecondary, args.fInputColor, args.fI
nputCoverage); | 448 args.fOutputSecondary, args.fInputColor, args.fI
nputCoverage); |
448 } | 449 } |
449 append_color_output(xp, fsBuilder, blendFormula.fPrimaryOutputType, | 450 append_color_output(xp, fsBuilder, blendFormula.fPrimaryOutputType, |
450 args.fOutputPrimary, args.fInputColor, args.fInputCo
verage); | 451 args.fOutputPrimary, args.fInputColor, args.fInputCo
verage); |
451 } | 452 } |
452 | 453 |
453 void onSetData(const GrGLProgramDataManager&, const GrXferProcessor&) overri
de {} | 454 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over
ride {} |
454 | 455 |
455 typedef GrGLXferProcessor INHERITED; | 456 typedef GrGLXferProcessor INHERITED; |
456 }; | 457 }; |
457 | 458 |
458 /////////////////////////////////////////////////////////////////////////////// | 459 /////////////////////////////////////////////////////////////////////////////// |
459 | 460 |
460 void PorterDuffXferProcessor::onGetGLProcessorKey(const GrGLSLCaps&, | 461 void PorterDuffXferProcessor::onGetGLProcessorKey(const GrGLSLCaps&, |
461 GrProcessorKeyBuilder* b) cons
t { | 462 GrProcessorKeyBuilder* b) cons
t { |
462 GLPorterDuffXferProcessor::GenKey(*this, b); | 463 GLPorterDuffXferProcessor::GenKey(*this, b); |
463 } | 464 } |
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543 | 544 |
544 private: | 545 private: |
545 void emitBlendCodeForDstRead(GrGLXPBuilder* pb, const char* srcColor, const
char* dstColor, | 546 void emitBlendCodeForDstRead(GrGLXPBuilder* pb, const char* srcColor, const
char* dstColor, |
546 const char* outColor, const GrXferProcessor& pr
oc) override { | 547 const char* outColor, const GrXferProcessor& pr
oc) override { |
547 const ShaderPDXferProcessor& xp = proc.cast<ShaderPDXferProcessor>(); | 548 const ShaderPDXferProcessor& xp = proc.cast<ShaderPDXferProcessor>(); |
548 GrGLXPFragmentBuilder* fsBuilder = pb->getFragmentShaderBuilder(); | 549 GrGLXPFragmentBuilder* fsBuilder = pb->getFragmentShaderBuilder(); |
549 | 550 |
550 GrGLSLBlend::AppendMode(fsBuilder, srcColor, dstColor, outColor, xp.getX
fermode()); | 551 GrGLSLBlend::AppendMode(fsBuilder, srcColor, dstColor, outColor, xp.getX
fermode()); |
551 } | 552 } |
552 | 553 |
553 void onSetData(const GrGLProgramDataManager&, const GrXferProcessor&) overri
de {} | 554 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over
ride {} |
554 | 555 |
555 typedef GrGLXferProcessor INHERITED; | 556 typedef GrGLXferProcessor INHERITED; |
556 }; | 557 }; |
557 | 558 |
558 /////////////////////////////////////////////////////////////////////////////// | 559 /////////////////////////////////////////////////////////////////////////////// |
559 | 560 |
560 void ShaderPDXferProcessor::onGetGLProcessorKey(const GrGLSLCaps&, | 561 void ShaderPDXferProcessor::onGetGLProcessorKey(const GrGLSLCaps&, |
561 GrProcessorKeyBuilder* b) cons
t { | 562 GrProcessorKeyBuilder* b) cons
t { |
562 GLShaderPDXferProcessor::GenKey(*this, b); | 563 GLShaderPDXferProcessor::GenKey(*this, b); |
563 } | 564 } |
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621 static void GenKey(const GrProcessor& processor, const GrGLSLCaps& caps, | 622 static void GenKey(const GrProcessor& processor, const GrGLSLCaps& caps, |
622 GrProcessorKeyBuilder* b) {} | 623 GrProcessorKeyBuilder* b) {} |
623 | 624 |
624 private: | 625 private: |
625 void emitOutputsForBlendState(const EmitArgs& args) override { | 626 void emitOutputsForBlendState(const EmitArgs& args) override { |
626 GrGLXPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); | 627 GrGLXPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); |
627 fsBuilder->codeAppendf("%s = %s * %s;", args.fOutputPrimary, args.fInput
Color, | 628 fsBuilder->codeAppendf("%s = %s * %s;", args.fOutputPrimary, args.fInput
Color, |
628 args.fInputCoverage); | 629 args.fInputCoverage); |
629 } | 630 } |
630 | 631 |
631 void onSetData(const GrGLProgramDataManager&, const GrXferProcessor&) overri
de {}; | 632 void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) over
ride {}; |
632 | 633 |
633 typedef GrGLXferProcessor INHERITED; | 634 typedef GrGLXferProcessor INHERITED; |
634 }; | 635 }; |
635 | 636 |
636 /////////////////////////////////////////////////////////////////////////////// | 637 /////////////////////////////////////////////////////////////////////////////// |
637 | 638 |
638 PDLCDXferProcessor::PDLCDXferProcessor(GrColor blendConstant, uint8_t alpha) | 639 PDLCDXferProcessor::PDLCDXferProcessor(GrColor blendConstant, uint8_t alpha) |
639 : fBlendConstant(blendConstant) | 640 : fBlendConstant(blendConstant) |
640 , fAlpha(alpha) { | 641 , fAlpha(alpha) { |
641 this->initClassID<PDLCDXferProcessor>(); | 642 this->initClassID<PDLCDXferProcessor>(); |
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818 int* outPrimary, | 819 int* outPrimary, |
819 int* outSecondary) { | 820 int* outSecondary) { |
820 if (!!strcmp(xp->name(), "Porter Duff")) { | 821 if (!!strcmp(xp->name(), "Porter Duff")) { |
821 *outPrimary = *outSecondary = -1; | 822 *outPrimary = *outSecondary = -1; |
822 return; | 823 return; |
823 } | 824 } |
824 BlendFormula blendFormula = static_cast<const PorterDuffXferProcessor*>(xp)-
>getBlendFormula(); | 825 BlendFormula blendFormula = static_cast<const PorterDuffXferProcessor*>(xp)-
>getBlendFormula(); |
825 *outPrimary = blendFormula.fPrimaryOutputType; | 826 *outPrimary = blendFormula.fPrimaryOutputType; |
826 *outSecondary = blendFormula.fSecondaryOutputType; | 827 *outSecondary = blendFormula.fSecondaryOutputType; |
827 } | 828 } |
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