/* * Copyright 2018 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /************************************************************************************************** *** This file was autogenerated from GrRectBlurEffect.fp; do not modify. **************************************************************************************************/ #include "GrRectBlurEffect.h" #include "glsl/GrGLSLFragmentProcessor.h" #include "glsl/GrGLSLFragmentShaderBuilder.h" #include "glsl/GrGLSLProgramBuilder.h" #include "GrTexture.h" #include "SkSLCPP.h" #include "SkSLUtil.h" class GrGLSLRectBlurEffect : public GrGLSLFragmentProcessor { public: GrGLSLRectBlurEffect() {} void emitCode(EmitArgs& args) override { GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; const GrRectBlurEffect& _outer = args.fFp.cast(); (void)_outer; auto rect = _outer.rect(); (void)rect; auto sigma = _outer.sigma(); (void)sigma; highPrecision = ((((abs(rect.left()) > 16000.0 || abs(rect.top()) > 16000.0) || abs(rect.right()) > 16000.0) || abs(rect.bottom()) > 16000.0) || abs(rect.right() - rect.left()) > 16000.0) || abs(rect.bottom() - rect.top()) > 16000.0; fRectVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "rect"); if (!highPrecision) { fProxyRectHalfVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, kDefault_GrSLPrecision, "proxyRectHalf"); } if (highPrecision) { fProxyRectFloatVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "proxyRectFloat"); } fProfileSizeVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf_GrSLType, kDefault_GrSLPrecision, "profileSize"); fragBuilder->codeAppendf( "bool highPrecision = %s;\n@if (highPrecision) {\n float2 translatedPos = " "sk_FragCoord.xy - %s.xy;\n float width = %s.z - %s.x;\n float height = %s.w " "- %s.y;\n float2 smallDims = float2(width - float(%s), height - float(%s));\n " " float center = 2.0 * floor(float(float(%s / 2.0) + 0.25)) - 1.0;\n float2 wh " "= smallDims - float2(center, center);\n half hcoord = " "half((abs(translatedPos.x - 0.5 * width) - 0.5 * wh.x) / float(%s));\n half " "hlookup = texture(%s, float2(float(hcoord), 0.5)).%s.w", (highPrecision ? "true" : "false"), args.fUniformHandler->getUniformCStr(fRectVar), args.fUniformHandler->getUniformCStr(fRectVar), args.fUniformHandler->getUniformCStr(fRectVar), args.fUniformHandler->getUniformCStr(fRectVar), args.fUniformHandler->getUniformCStr(fRectVar), args.fUniformHandler->getUniformCStr(fProfileSizeVar), args.fUniformHandler->getUniformCStr(fProfileSizeVar), args.fUniformHandler->getUniformCStr(fProfileSizeVar), args.fUniformHandler->getUniformCStr(fProfileSizeVar), fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(), fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str()); fragBuilder->codeAppendf( ";\n half vcoord = half((abs(translatedPos.y - 0.5 * height) - 0.5 * wh.y) / " "float(%s));\n half vlookup = texture(%s, float2(float(vcoord), 0.5)).%s.w;\n " " %s = (%s * hlookup) * vlookup;\n} else {\n half2 translatedPos = " "half2(sk_FragCoord.xy - %s.xy);\n half width = half(%s.z - %s.x);\n half " "height = half(%s.w - %s.y);\n half2 smallDims = half2(width - %s, height - " "%s);\n half center = half(2.0 * floor(float(float(%s / 2.0) + 0.25)) - 1.0);\n " " half2 wh = smallDims - half2(float2(floa", args.fUniformHandler->getUniformCStr(fProfileSizeVar), fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(), fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str(), args.fOutputColor, args.fInputColor ? args.fInputColor : "half4(1)", args.fUniformHandler->getUniformCStr(fRectVar), args.fUniformHandler->getUniformCStr(fRectVar), args.fUniformHandler->getUniformCStr(fRectVar), args.fUniformHandler->getUniformCStr(fRectVar), args.fUniformHandler->getUniformCStr(fRectVar), args.fUniformHandler->getUniformCStr(fProfileSizeVar), args.fUniformHandler->getUniformCStr(fProfileSizeVar), args.fUniformHandler->getUniformCStr(fProfileSizeVar)); fragBuilder->codeAppendf( "t(center), float(center)));\n half hcoord = " "half((abs(float(float(translatedPos.x) - 0.5 * float(width))) - 0.5 * " "float(wh.x)) / float(%s));\n half hlookup = texture(%s, float2(float(hcoord), " "0.5)).%s.w;\n half vcoord = half((abs(float(float(translatedPos.y) - 0.5 * " "float(height))) - 0.5 * float(wh.y)) / float(%s));\n half vlookup = " "texture(%s, float2(float(vcoord), 0.5)).%s.w;\n %s = (%s * hlookup) * " "vlookup;\n}\n", args.fUniformHandler->getUniformCStr(fProfileSizeVar), fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(), fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str(), args.fUniformHandler->getUniformCStr(fProfileSizeVar), fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(), fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str(), args.fOutputColor, args.fInputColor ? args.fInputColor : "half4(1)"); } private: void onSetData(const GrGLSLProgramDataManager& pdman, const GrFragmentProcessor& _proc) override { const GrRectBlurEffect& _outer = _proc.cast(); { const SkRect rectValue = _outer.rect(); pdman.set4fv(fRectVar, 1, (float*)&rectValue); } UniformHandle& rect = fRectVar; (void)rect; auto sigma = _outer.sigma(); (void)sigma; GrSurfaceProxy& blurProfileProxy = *_outer.textureSampler(0).proxy(); GrTexture& blurProfile = *blurProfileProxy.priv().peekTexture(); (void)blurProfile; UniformHandle& proxyRectHalf = fProxyRectHalfVar; (void)proxyRectHalf; UniformHandle& proxyRectFloat = fProxyRectFloatVar; (void)proxyRectFloat; UniformHandle& profileSize = fProfileSizeVar; (void)profileSize; pdman.set1f(profileSize, SkScalarCeilToScalar(6 * sigma)); } bool highPrecision = false; UniformHandle fProxyRectHalfVar; UniformHandle fProxyRectFloatVar; UniformHandle fProfileSizeVar; UniformHandle fRectVar; }; GrGLSLFragmentProcessor* GrRectBlurEffect::onCreateGLSLInstance() const { return new GrGLSLRectBlurEffect(); } void GrRectBlurEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, GrProcessorKeyBuilder* b) const {} bool GrRectBlurEffect::onIsEqual(const GrFragmentProcessor& other) const { const GrRectBlurEffect& that = other.cast(); (void)that; if (fRect != that.fRect) return false; if (fSigma != that.fSigma) return false; if (fBlurProfile != that.fBlurProfile) return false; return true; } GrRectBlurEffect::GrRectBlurEffect(const GrRectBlurEffect& src) : INHERITED(kGrRectBlurEffect_ClassID, src.optimizationFlags()) , fRect(src.fRect) , fSigma(src.fSigma) , fBlurProfile(src.fBlurProfile) { this->setTextureSamplerCnt(1); } std::unique_ptr GrRectBlurEffect::clone() const { return std::unique_ptr(new GrRectBlurEffect(*this)); } const GrFragmentProcessor::TextureSampler& GrRectBlurEffect::onTextureSampler(int index) const { return IthTextureSampler(index, fBlurProfile); } GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrRectBlurEffect); #if GR_TEST_UTILS std::unique_ptr GrRectBlurEffect::TestCreate(GrProcessorTestData* data) { float sigma = data->fRandom->nextRangeF(3, 8); float width = data->fRandom->nextRangeF(200, 300); float height = data->fRandom->nextRangeF(200, 300); return GrRectBlurEffect::Make(data->proxyProvider(), *data->caps()->shaderCaps(), SkRect::MakeWH(width, height), sigma); } #endif