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Side by Side Diff: src/effects/SkBlurMaskFilter.cpp

Issue 1438003003: Move all ShaderBuilder files to GLSL (Closed) Base URL: https://skia.googlesource.com/skia.git@glslProgBuild
Patch Set: nits Created 5 years, 1 month ago
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1 1
2 /* 2 /*
3 * Copyright 2006 The Android Open Source Project 3 * Copyright 2006 The Android Open Source Project
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 "SkBlurMaskFilter.h" 9 #include "SkBlurMaskFilter.h"
10 #include "SkBlurMask.h" 10 #include "SkBlurMask.h"
(...skipping 10 matching lines...) Expand all
21 #include "GrCircleBlurFragmentProcessor.h" 21 #include "GrCircleBlurFragmentProcessor.h"
22 #include "GrContext.h" 22 #include "GrContext.h"
23 #include "GrDrawContext.h" 23 #include "GrDrawContext.h"
24 #include "GrTexture.h" 24 #include "GrTexture.h"
25 #include "GrFragmentProcessor.h" 25 #include "GrFragmentProcessor.h"
26 #include "GrInvariantOutput.h" 26 #include "GrInvariantOutput.h"
27 #include "SkGrPixelRef.h" 27 #include "SkGrPixelRef.h"
28 #include "SkDraw.h" 28 #include "SkDraw.h"
29 #include "effects/GrSimpleTextureEffect.h" 29 #include "effects/GrSimpleTextureEffect.h"
30 #include "gl/GrGLFragmentProcessor.h" 30 #include "gl/GrGLFragmentProcessor.h"
31 #include "gl/builders/GrGLProgramBuilder.h" 31 #include "glsl/GrGLSLFragmentShaderBuilder.h"
32 #include "glsl/GrGLSLProgramBuilder.h"
32 #include "glsl/GrGLSLProgramDataManager.h" 33 #include "glsl/GrGLSLProgramDataManager.h"
33 #include "glsl/GrGLSLTextureSampler.h" 34 #include "glsl/GrGLSLTextureSampler.h"
34 #endif 35 #endif
35 36
36 SkScalar SkBlurMaskFilter::ConvertRadiusToSigma(SkScalar radius) { 37 SkScalar SkBlurMaskFilter::ConvertRadiusToSigma(SkScalar radius) {
37 return SkBlurMask::ConvertRadiusToSigma(radius); 38 return SkBlurMask::ConvertRadiusToSigma(radius);
38 } 39 }
39 40
40 class SkBlurMaskFilterImpl : public SkMaskFilter { 41 class SkBlurMaskFilterImpl : public SkMaskFilter {
41 public: 42 public:
(...skipping 647 matching lines...) Expand 10 before | Expand all | Expand 10 after
689 private: 690 private:
690 typedef GrGLSLProgramDataManager::UniformHandle UniformHandle; 691 typedef GrGLSLProgramDataManager::UniformHandle UniformHandle;
691 692
692 UniformHandle fProxyRectUniform; 693 UniformHandle fProxyRectUniform;
693 UniformHandle fProfileSizeUniform; 694 UniformHandle fProfileSizeUniform;
694 GrSLPrecision fPrecision; 695 GrSLPrecision fPrecision;
695 696
696 typedef GrGLFragmentProcessor INHERITED; 697 typedef GrGLFragmentProcessor INHERITED;
697 }; 698 };
698 699
699 void OutputRectBlurProfileLookup(GrGLFragmentBuilder* fsBuilder, 700 void OutputRectBlurProfileLookup(GrGLSLFragmentBuilder* fsBuilder,
700 const GrGLSLTextureSampler& sampler, 701 const GrGLSLTextureSampler& sampler,
701 const char *output, 702 const char *output,
702 const char *profileSize, const char *loc, 703 const char *profileSize, const char *loc,
703 const char *blurred_width, 704 const char *blurred_width,
704 const char *sharp_width) { 705 const char *sharp_width) {
705 fsBuilder->codeAppendf("float %s;", output); 706 fsBuilder->codeAppendf("float %s;", output);
706 fsBuilder->codeAppendf("{"); 707 fsBuilder->codeAppendf("{");
707 fsBuilder->codeAppendf("float coord = ((abs(%s - 0.5 * %s) - 0.5 * %s)) / %s ;", 708 fsBuilder->codeAppendf("float coord = ((abs(%s - 0.5 * %s) - 0.5 * %s)) / %s ;",
708 loc, blurred_width, sharp_width, profileSize); 709 loc, blurred_width, sharp_width, profileSize);
709 fsBuilder->codeAppendf("%s = ", output); 710 fsBuilder->codeAppendf("%s = ", output);
710 fsBuilder->appendTextureLookup(sampler, "vec2(coord,0.5)"); 711 fsBuilder->appendTextureLookup(sampler, "vec2(coord,0.5)");
711 fsBuilder->codeAppend(".a;"); 712 fsBuilder->codeAppend(".a;");
712 fsBuilder->codeAppendf("}"); 713 fsBuilder->codeAppendf("}");
713 } 714 }
714 715
715 716
716 void GrGLRectBlurEffect::GenKey(GrSLPrecision precision, GrProcessorKeyBuilder* b) { 717 void GrGLRectBlurEffect::GenKey(GrSLPrecision precision, GrProcessorKeyBuilder* b) {
717 b->add32(precision); 718 b->add32(precision);
718 } 719 }
719 720
720 721
721 void GrGLRectBlurEffect::emitCode(EmitArgs& args) { 722 void GrGLRectBlurEffect::emitCode(EmitArgs& args) {
722 723
723 const char *rectName; 724 const char *rectName;
724 const char *profileSizeName; 725 const char *profileSizeName;
725 726
726 const char* precisionString = GrGLSLShaderVar::PrecisionString(args.fBuilder ->glslCaps(), 727 const char* precisionString = GrGLSLShaderVar::PrecisionString(args.fBuilder ->glslCaps(),
727 fPrecision); 728 fPrecision);
728 fProxyRectUniform = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment_ Visibility, 729 fProxyRectUniform = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragmen t_Visibility,
729 kVec4f_GrSLType, 730 kVec4f_GrSLType,
730 fPrecision, 731 fPrecision,
731 "proxyRect", 732 "proxyRect",
732 &rectName); 733 &rectName);
733 fProfileSizeUniform = args.fBuilder->addUniform(GrGLProgramBuilder::kFragmen t_Visibility, 734 fProfileSizeUniform = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragm ent_Visibility,
734 kFloat_GrSLType, 735 kFloat_GrSLType,
735 kDefault_GrSLPrecision, 736 kDefault_GrSLPrecision,
736 "profileSize", 737 "profileSize",
737 &profileSizeName); 738 &profileSizeName);
738 739
739 GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder(); 740 GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder() ;
740 const char *fragmentPos = fsBuilder->fragmentPosition(); 741 const char *fragmentPos = fsBuilder->fragmentPosition();
741 742
742 if (args.fInputColor) { 743 if (args.fInputColor) {
743 fsBuilder->codeAppendf("vec4 src=%s;", args.fInputColor); 744 fsBuilder->codeAppendf("vec4 src=%s;", args.fInputColor);
744 } else { 745 } else {
745 fsBuilder->codeAppendf("vec4 src=vec4(1);"); 746 fsBuilder->codeAppendf("vec4 src=vec4(1);");
746 } 747 }
747 748
748 fsBuilder->codeAppendf("%s vec2 translatedPos = %s.xy - %s.xy;", precisionSt ring, fragmentPos, 749 fsBuilder->codeAppendf("%s vec2 translatedPos = %s.xy - %s.xy;", precisionSt ring, fragmentPos,
749 rectName); 750 rectName);
(...skipping 59 matching lines...) Expand 10 before | Expand all | Expand 10 after
809 : fRect(rect) 810 : fRect(rect)
810 , fSigma(sigma) 811 , fSigma(sigma)
811 , fBlurProfileAccess(blurProfile) 812 , fBlurProfileAccess(blurProfile)
812 , fPrecision(precision) { 813 , fPrecision(precision) {
813 this->initClassID<GrRectBlurEffect>(); 814 this->initClassID<GrRectBlurEffect>();
814 this->addTextureAccess(&fBlurProfileAccess); 815 this->addTextureAccess(&fBlurProfileAccess);
815 this->setWillReadFragmentPosition(); 816 this->setWillReadFragmentPosition();
816 } 817 }
817 818
818 void GrRectBlurEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, 819 void GrRectBlurEffect::onGetGLProcessorKey(const GrGLSLCaps& caps,
819 GrProcessorKeyBuilder* b) const { 820 GrProcessorKeyBuilder* b) const {
820 GrGLRectBlurEffect::GenKey(fPrecision, b); 821 GrGLRectBlurEffect::GenKey(fPrecision, b);
821 } 822 }
822 823
823 GrGLFragmentProcessor* GrRectBlurEffect::onCreateGLInstance() const { 824 GrGLFragmentProcessor* GrRectBlurEffect::onCreateGLInstance() const {
824 return new GrGLRectBlurEffect(*this, fPrecision); 825 return new GrGLRectBlurEffect(*this, fPrecision);
825 } 826 }
826 827
827 bool GrRectBlurEffect::onIsEqual(const GrFragmentProcessor& sBase) const { 828 bool GrRectBlurEffect::onIsEqual(const GrFragmentProcessor& sBase) const {
828 const GrRectBlurEffect& s = sBase.cast<GrRectBlurEffect>(); 829 const GrRectBlurEffect& s = sBase.cast<GrRectBlurEffect>();
829 return this->getSigma() == s.getSigma() && this->getRect() == s.getRect(); 830 return this->getSigma() == s.getSigma() && this->getRect() == s.getRect();
(...skipping 229 matching lines...) Expand 10 before | Expand all | Expand 10 after
1059 }; 1060 };
1060 1061
1061 void GrGLRRectBlurEffect::emitCode(EmitArgs& args) { 1062 void GrGLRRectBlurEffect::emitCode(EmitArgs& args) {
1062 const char *rectName; 1063 const char *rectName;
1063 const char *cornerRadiusName; 1064 const char *cornerRadiusName;
1064 const char *blurRadiusName; 1065 const char *blurRadiusName;
1065 1066
1066 // The proxy rect has left, top, right, and bottom edges correspond to 1067 // The proxy rect has left, top, right, and bottom edges correspond to
1067 // components x, y, z, and w, respectively. 1068 // components x, y, z, and w, respectively.
1068 1069
1069 fProxyRectUniform = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment_ Visibility, 1070 fProxyRectUniform = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragmen t_Visibility,
1070 kVec4f_GrSLType, 1071 kVec4f_GrSLType,
1071 kDefault_GrSLPrecision, 1072 kDefault_GrSLPrecision,
1072 "proxyRect", 1073 "proxyRect",
1073 &rectName); 1074 &rectName);
1074 fCornerRadiusUniform = args.fBuilder->addUniform(GrGLProgramBuilder::kFragme nt_Visibility, 1075 fCornerRadiusUniform = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFrag ment_Visibility,
1075 kFloat_GrSLType, 1076 kFloat_GrSLType,
1076 kDefault_GrSLPrecision, 1077 kDefault_GrSLPrecision,
1077 "cornerRadius", 1078 "cornerRadius",
1078 &cornerRadiusName); 1079 &cornerRadiusName);
1079 fBlurRadiusUniform = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment _Visibility, 1080 fBlurRadiusUniform = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragme nt_Visibility,
1080 kFloat_GrSLType, 1081 kFloat_GrSLType,
1081 kDefault_GrSLPrecision, 1082 kDefault_GrSLPrecision,
1082 "blurRadius", 1083 "blurRadius",
1083 &blurRadiusName); 1084 &blurRadiusName);
1084 1085
1085 GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder(); 1086 GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder() ;
1086 const char* fragmentPos = fsBuilder->fragmentPosition(); 1087 const char* fragmentPos = fsBuilder->fragmentPosition();
1087 1088
1088 // warp the fragment position to the appropriate part of the 9patch blur tex ture 1089 // warp the fragment position to the appropriate part of the 9patch blur tex ture
1089 1090
1090 fsBuilder->codeAppendf("vec2 rectCenter = (%s.xy + %s.zw)/2.0;", rectName, r ectName); 1091 fsBuilder->codeAppendf("vec2 rectCenter = (%s.xy + %s.zw)/2.0;", rectName, r ectName);
1091 fsBuilder->codeAppendf("vec2 translatedFragPos = %s.xy - %s.xy;", fragmentPo s, rectName); 1092 fsBuilder->codeAppendf("vec2 translatedFragPos = %s.xy - %s.xy;", fragmentPo s, rectName);
1092 fsBuilder->codeAppendf("float threshold = %s + 2.0*%s;", cornerRadiusName, b lurRadiusName); 1093 fsBuilder->codeAppendf("float threshold = %s + 2.0*%s;", cornerRadiusName, b lurRadiusName);
1093 fsBuilder->codeAppendf("vec2 middle = %s.zw - %s.xy - 2.0*threshold;", rectN ame, rectName); 1094 fsBuilder->codeAppendf("vec2 middle = %s.zw - %s.xy - 2.0*threshold;", rectN ame, rectName);
1094 1095
1095 fsBuilder->codeAppendf("if (translatedFragPos.x >= threshold && translatedFr agPos.x < (middle.x+threshold)) {"); 1096 fsBuilder->codeAppendf("if (translatedFragPos.x >= threshold && translatedFr agPos.x < (middle.x+threshold)) {");
(...skipping 204 matching lines...) Expand 10 before | Expand all | Expand 10 after
1300 } else { 1301 } else {
1301 str->append("None"); 1302 str->append("None");
1302 } 1303 }
1303 str->append("))"); 1304 str->append("))");
1304 } 1305 }
1305 #endif 1306 #endif
1306 1307
1307 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter) 1308 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter)
1308 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl) 1309 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl)
1309 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END 1310 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END
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