1 /* 2 * Copyright 2018 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 /************************************************************************************************** 9 *** This file was autogenerated from GrRectBlurEffect.fp; do not modify. 10 **************************************************************************************************/ 11 #include "GrRectBlurEffect.h" 12 #if SK_SUPPORT_GPU 13 #include "glsl/GrGLSLFragmentProcessor.h" 14 #include "glsl/GrGLSLFragmentShaderBuilder.h" 15 #include "glsl/GrGLSLProgramBuilder.h" 16 #include "GrTexture.h" 17 #include "SkSLCPP.h" 18 #include "SkSLUtil.h" 19 class GrGLSLRectBlurEffect : public GrGLSLFragmentProcessor { 20 public: 21 GrGLSLRectBlurEffect() {} 22 void emitCode(EmitArgs& args) override { 23 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; 24 const GrRectBlurEffect& _outer = args.fFp.cast<GrRectBlurEffect>(); 25 (void)_outer; 26 auto rect = _outer.rect(); 27 (void)rect; 28 auto sigma = _outer.sigma(); 29 (void)sigma; 30 highPrecision = ((((abs(rect.left()) > 16000.0 || abs(rect.top()) > 16000.0) || 31 abs(rect.right()) > 16000.0) || 32 abs(rect.bottom()) > 16000.0) || 33 abs(rect.right() - rect.left()) > 16000.0) || 34 abs(rect.bottom() - rect.top()) > 16000.0; 35 fRectVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kFloat4_GrSLType, 36 kDefault_GrSLPrecision, "rect"); 37 if (!highPrecision) { 38 fProxyRectHalfVar = 39 args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, 40 kDefault_GrSLPrecision, "proxyRectHalf"); 41 } 42 if (highPrecision) { 43 fProxyRectFloatVar = 44 args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kFloat4_GrSLType, 45 kDefault_GrSLPrecision, "proxyRectFloat"); 46 } 47 fProfileSizeVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf_GrSLType, 48 kDefault_GrSLPrecision, "profileSize"); 49 fragBuilder->codeAppendf( 50 "bool highPrecision = %s;\n@if (highPrecision) {\n float2 translatedPos = " 51 "sk_FragCoord.xy - %s.xy;\n float width = %s.z - %s.x;\n float height = %s.w " 52 "- %s.y;\n float2 smallDims = float2(width - float(%s), height - float(%s));\n " 53 " float center = 2.0 * floor(float(float(%s / 2.0) + 0.25)) - 1.0;\n float2 wh " 54 "= smallDims - float2(center, center);\n half hcoord = " 55 "half((abs(translatedPos.x - 0.5 * width) - 0.5 * wh.x) / float(%s));\n half " 56 "hlookup = texture(%s, float2(float(hcoord), 0.5)).%s.w", 57 (highPrecision ? "true" : "false"), args.fUniformHandler->getUniformCStr(fRectVar), 58 args.fUniformHandler->getUniformCStr(fRectVar), 59 args.fUniformHandler->getUniformCStr(fRectVar), 60 args.fUniformHandler->getUniformCStr(fRectVar), 61 args.fUniformHandler->getUniformCStr(fRectVar), 62 args.fUniformHandler->getUniformCStr(fProfileSizeVar), 63 args.fUniformHandler->getUniformCStr(fProfileSizeVar), 64 args.fUniformHandler->getUniformCStr(fProfileSizeVar), 65 args.fUniformHandler->getUniformCStr(fProfileSizeVar), 66 fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(), 67 fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str()); 68 fragBuilder->codeAppendf( 69 ";\n half vcoord = half((abs(translatedPos.y - 0.5 * height) - 0.5 * wh.y) / " 70 "float(%s));\n half vlookup = texture(%s, float2(float(vcoord), 0.5)).%s.w;\n " 71 " %s = (%s * hlookup) * vlookup;\n} else {\n half2 translatedPos = " 72 "half2(sk_FragCoord.xy - %s.xy);\n half width = half(%s.z - %s.x);\n half " 73 "height = half(%s.w - %s.y);\n half2 smallDims = half2(width - %s, height - " 74 "%s);\n half center = half(2.0 * floor(float(float(%s / 2.0) + 0.25)) - 1.0);\n " 75 " half2 wh = smallDims - half2(float2(floa", 76 args.fUniformHandler->getUniformCStr(fProfileSizeVar), 77 fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(), 78 fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str(), 79 args.fOutputColor, args.fInputColor ? args.fInputColor : "half4(1)", 80 args.fUniformHandler->getUniformCStr(fRectVar), 81 args.fUniformHandler->getUniformCStr(fRectVar), 82 args.fUniformHandler->getUniformCStr(fRectVar), 83 args.fUniformHandler->getUniformCStr(fRectVar), 84 args.fUniformHandler->getUniformCStr(fRectVar), 85 args.fUniformHandler->getUniformCStr(fProfileSizeVar), 86 args.fUniformHandler->getUniformCStr(fProfileSizeVar), 87 args.fUniformHandler->getUniformCStr(fProfileSizeVar)); 88 fragBuilder->codeAppendf( 89 "t(center), float(center)));\n half hcoord = " 90 "half((abs(float(float(translatedPos.x) - 0.5 * float(width))) - 0.5 * " 91 "float(wh.x)) / float(%s));\n half hlookup = texture(%s, float2(float(hcoord), " 92 "0.5)).%s.w;\n half vcoord = half((abs(float(float(translatedPos.y) - 0.5 * " 93 "float(height))) - 0.5 * float(wh.y)) / float(%s));\n half vlookup = " 94 "texture(%s, float2(float(vcoord), 0.5)).%s.w;\n %s = (%s * hlookup) * " 95 "vlookup;\n}\n", 96 args.fUniformHandler->getUniformCStr(fProfileSizeVar), 97 fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(), 98 fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str(), 99 args.fUniformHandler->getUniformCStr(fProfileSizeVar), 100 fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(), 101 fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str(), 102 args.fOutputColor, args.fInputColor ? args.fInputColor : "half4(1)"); 103 } 104 105 private: 106 void onSetData(const GrGLSLProgramDataManager& pdman, 107 const GrFragmentProcessor& _proc) override { 108 const GrRectBlurEffect& _outer = _proc.cast<GrRectBlurEffect>(); 109 { 110 const SkRect rectValue = _outer.rect(); 111 pdman.set4fv(fRectVar, 1, (float*)&rectValue); 112 } 113 UniformHandle& rect = fRectVar; 114 (void)rect; 115 auto sigma = _outer.sigma(); 116 (void)sigma; 117 GrSurfaceProxy& blurProfileProxy = *_outer.textureSampler(0).proxy(); 118 GrTexture& blurProfile = *blurProfileProxy.priv().peekTexture(); 119 (void)blurProfile; 120 UniformHandle& proxyRectHalf = fProxyRectHalfVar; 121 (void)proxyRectHalf; 122 UniformHandle& proxyRectFloat = fProxyRectFloatVar; 123 (void)proxyRectFloat; 124 UniformHandle& profileSize = fProfileSizeVar; 125 (void)profileSize; 126 127 pdman.set1f(profileSize, SkScalarCeilToScalar(6 * sigma)); 128 } 129 bool highPrecision = false; 130 UniformHandle fProxyRectHalfVar; 131 UniformHandle fProxyRectFloatVar; 132 UniformHandle fProfileSizeVar; 133 UniformHandle fRectVar; 134 }; 135 GrGLSLFragmentProcessor* GrRectBlurEffect::onCreateGLSLInstance() const { 136 return new GrGLSLRectBlurEffect(); 137 } 138 void GrRectBlurEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, 139 GrProcessorKeyBuilder* b) const {} 140 bool GrRectBlurEffect::onIsEqual(const GrFragmentProcessor& other) const { 141 const GrRectBlurEffect& that = other.cast<GrRectBlurEffect>(); 142 (void)that; 143 if (fRect != that.fRect) return false; 144 if (fSigma != that.fSigma) return false; 145 if (fBlurProfile != that.fBlurProfile) return false; 146 return true; 147 } 148 GrRectBlurEffect::GrRectBlurEffect(const GrRectBlurEffect& src) 149 : INHERITED(kGrRectBlurEffect_ClassID, src.optimizationFlags()) 150 , fRect(src.fRect) 151 , fSigma(src.fSigma) 152 , fBlurProfile(src.fBlurProfile) { 153 this->addTextureSampler(&fBlurProfile); 154 } 155 std::unique_ptr<GrFragmentProcessor> GrRectBlurEffect::clone() const { 156 return std::unique_ptr<GrFragmentProcessor>(new GrRectBlurEffect(*this)); 157 } 158 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrRectBlurEffect); 159 #if GR_TEST_UTILS 160 std::unique_ptr<GrFragmentProcessor> GrRectBlurEffect::TestCreate(GrProcessorTestData* data) { 161 float sigma = data->fRandom->nextRangeF(3, 8); 162 float width = data->fRandom->nextRangeF(200, 300); 163 float height = data->fRandom->nextRangeF(200, 300); 164 return GrRectBlurEffect::Make(data->proxyProvider(), SkRect::MakeWH(width, height), sigma); 165 } 166 #endif 167 #endif 168
