| /* |
| * 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<GrRectBlurEffect>(); |
| (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( |
| "/* key */ 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 = float(2.0 * floor(%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)).", |
| (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->codeAppendf( |
| "%s.w;\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 = 2.0 * floor(%s / 2.0 + 0.25) - 1.0;\n half2 wh = " |
| "smallDims - half2(center, center);\n half ", |
| 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.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( |
| "hcoord = (abs(translatedPos.x - 0.5 * width) - 0.5 * wh.x) / %s;\n half " |
| "hlookup = texture(%s, float2(float(hcoord), 0.5)).%s.w;\n half vcoord = " |
| "(abs(translatedPos.y - 0.5 * height) - 0.5 * wh.y) / %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); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override { |
| const GrRectBlurEffect& _outer = _proc.cast<GrRectBlurEffect>(); |
| { pdman.set4fv(fRectVar, 1, reinterpret_cast<const float*>(&(_outer.rect()))); } |
| UniformHandle& rect = fRectVar; |
| (void)rect; |
| auto sigma = _outer.sigma(); |
| (void)sigma; |
| GrSurfaceProxy& blurProfileProxy = *_outer.textureSampler(0).proxy(); |
| GrTexture& blurProfile = *blurProfileProxy.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<GrRectBlurEffect>(); |
| (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<GrFragmentProcessor> GrRectBlurEffect::clone() const { |
| return std::unique_ptr<GrFragmentProcessor>(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<GrFragmentProcessor> 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 |
