| /* |
| * 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 "src/gpu/GrTexture.h" |
| #include "src/gpu/glsl/GrGLSLFragmentProcessor.h" |
| #include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "src/gpu/glsl/GrGLSLProgramBuilder.h" |
| #include "src/sksl/SkSLCPP.h" |
| #include "src/sksl/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 invSixSigma = _outer.invSixSigma; |
| (void)invSixSigma; |
| auto isFast = _outer.isFast; |
| (void)isFast; |
| highp = ((abs(rect.left()) > 16000.0 || abs(rect.top()) > 16000.0) || |
| abs(rect.right()) > 16000.0) || |
| abs(rect.bottom()) > 16000.0; |
| if (highp) { |
| rectFVar = args.fUniformHandler->addUniform(&_outer, kFragment_GrShaderFlag, |
| kFloat4_GrSLType, "rectF"); |
| } |
| if (!highp) { |
| rectHVar = args.fUniformHandler->addUniform(&_outer, kFragment_GrShaderFlag, |
| kHalf4_GrSLType, "rectH"); |
| } |
| invSixSigmaVar = args.fUniformHandler->addUniform(&_outer, kFragment_GrShaderFlag, |
| kHalf_GrSLType, "invSixSigma"); |
| fragBuilder->codeAppendf( |
| "/* key */ bool highp = %s;\nhalf xCoverage, yCoverage;\n@if (%s) {\n half2 " |
| "xy;\n @if (highp) {\n xy = max(half2(%s.xy - sk_FragCoord.xy), " |
| "half2(sk_FragCoord.xy - %s.zw));\n } else {\n xy = " |
| "max(half2(float2(%s.xy) - sk_FragCoord.xy), half2(sk_FragCoord.xy - " |
| "float2(%s.zw)));\n }\n xy *= %s;\n xCoverage = sample(%s, " |
| "float2(half2(xy.x, 0.5))).%s.w;\n yCoverage = sample(%s, float2(half2(xy.y, " |
| "0.5))).%s.w;\n} else {\n half4 rect;\n @if (highp) {\n rect.xy = " |
| "half2(sk", |
| (highp ? "true" : "false"), (_outer.isFast ? "true" : "false"), |
| rectFVar.isValid() ? args.fUniformHandler->getUniformCStr(rectFVar) : "float4(0)", |
| rectFVar.isValid() ? args.fUniformHandler->getUniformCStr(rectFVar) : "float4(0)", |
| rectHVar.isValid() ? args.fUniformHandler->getUniformCStr(rectHVar) : "half4(0)", |
| rectHVar.isValid() ? args.fUniformHandler->getUniformCStr(rectHVar) : "half4(0)", |
| args.fUniformHandler->getUniformCStr(invSixSigmaVar), |
| fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]), |
| fragBuilder->getProgramBuilder() |
| ->samplerSwizzle(args.fTexSamplers[0]) |
| .asString() |
| .c_str(), |
| fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]), |
| fragBuilder->getProgramBuilder() |
| ->samplerSwizzle(args.fTexSamplers[0]) |
| .asString() |
| .c_str()); |
| fragBuilder->codeAppendf( |
| "_FragCoord.xy - %s.xy);\n rect.zw = half2(%s.zw - sk_FragCoord.xy);\n } " |
| "else {\n rect.xy = half2(sk_FragCoord.xy - float2(%s.xy));\n " |
| "rect.zw = half2(float2(%s.zw) - sk_FragCoord.xy);\n }\n half4 irect = rect " |
| "* %s + half4(1.0);\n xCoverage = (1.0 - sample(%s, float2(half2(irect.x, " |
| "0.5))).%s.w) - sample(%s, float2(half2(irect.z, 0.5))).%s.w;\n yCoverage = " |
| "(1.0 - sample(%s, float2(half2(irect.y, 0.5))).%s.w) - sample(%s, " |
| "float2(half2(irect.w, 0.5))).%s.w;\n}", |
| rectFVar.isValid() ? args.fUniformHandler->getUniformCStr(rectFVar) : "float4(0)", |
| rectFVar.isValid() ? args.fUniformHandler->getUniformCStr(rectFVar) : "float4(0)", |
| rectHVar.isValid() ? args.fUniformHandler->getUniformCStr(rectHVar) : "half4(0)", |
| rectHVar.isValid() ? args.fUniformHandler->getUniformCStr(rectHVar) : "half4(0)", |
| args.fUniformHandler->getUniformCStr(invSixSigmaVar), |
| fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]), |
| fragBuilder->getProgramBuilder() |
| ->samplerSwizzle(args.fTexSamplers[0]) |
| .asString() |
| .c_str(), |
| fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]), |
| fragBuilder->getProgramBuilder() |
| ->samplerSwizzle(args.fTexSamplers[0]) |
| .asString() |
| .c_str(), |
| fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]), |
| fragBuilder->getProgramBuilder() |
| ->samplerSwizzle(args.fTexSamplers[0]) |
| .asString() |
| .c_str(), |
| fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]), |
| fragBuilder->getProgramBuilder() |
| ->samplerSwizzle(args.fTexSamplers[0]) |
| .asString() |
| .c_str()); |
| SkString _input8899 = SkStringPrintf("%s", args.fInputColor); |
| SkString _sample8899; |
| if (_outer.inputFP_index >= 0) { |
| _sample8899 = this->invokeChild(_outer.inputFP_index, _input8899.c_str(), args); |
| } else { |
| _sample8899 = _input8899; |
| } |
| fragBuilder->codeAppendf( |
| "\nhalf4 inputColor = %s;\n%s = (inputColor * xCoverage) * yCoverage;\n", |
| _sample8899.c_str(), args.fOutputColor); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override { |
| const GrRectBlurEffect& _outer = _proc.cast<GrRectBlurEffect>(); |
| { pdman.set1f(invSixSigmaVar, (_outer.invSixSigma)); } |
| auto rect = _outer.rect; |
| (void)rect; |
| UniformHandle& rectF = rectFVar; |
| (void)rectF; |
| UniformHandle& rectH = rectHVar; |
| (void)rectH; |
| const GrSurfaceProxyView& integralView = _outer.textureSampler(0).view(); |
| GrTexture& integral = *integralView.proxy()->peekTexture(); |
| (void)integral; |
| UniformHandle& invSixSigma = invSixSigmaVar; |
| (void)invSixSigma; |
| auto isFast = _outer.isFast; |
| (void)isFast; |
| |
| float r[]{rect.fLeft, rect.fTop, rect.fRight, rect.fBottom}; |
| pdman.set4fv(highp ? rectF : rectH, 1, r); |
| } |
| bool highp = false; |
| UniformHandle rectFVar; |
| UniformHandle rectHVar; |
| UniformHandle invSixSigmaVar; |
| }; |
| GrGLSLFragmentProcessor* GrRectBlurEffect::onCreateGLSLInstance() const { |
| return new GrGLSLRectBlurEffect(); |
| } |
| void GrRectBlurEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| GrProcessorKeyBuilder* b) const { |
| bool highp = ((abs(rect.left()) > 16000.0 || abs(rect.top()) > 16000.0) || |
| abs(rect.right()) > 16000.0) || |
| abs(rect.bottom()) > 16000.0; |
| b->add32((int32_t)highp); |
| b->add32((int32_t)isFast); |
| } |
| bool GrRectBlurEffect::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrRectBlurEffect& that = other.cast<GrRectBlurEffect>(); |
| (void)that; |
| if (rect != that.rect) return false; |
| if (integral != that.integral) return false; |
| if (invSixSigma != that.invSixSigma) return false; |
| if (isFast != that.isFast) return false; |
| return true; |
| } |
| GrRectBlurEffect::GrRectBlurEffect(const GrRectBlurEffect& src) |
| : INHERITED(kGrRectBlurEffect_ClassID, src.optimizationFlags()) |
| , rect(src.rect) |
| , integral(src.integral) |
| , invSixSigma(src.invSixSigma) |
| , isFast(src.isFast) { |
| if (src.inputFP_index >= 0) { |
| auto inputFP_clone = src.childProcessor(src.inputFP_index).clone(); |
| if (src.childProcessor(src.inputFP_index).isSampledWithExplicitCoords()) { |
| inputFP_clone->setSampledWithExplicitCoords(); |
| } |
| inputFP_index = this->registerChildProcessor(std::move(inputFP_clone)); |
| } |
| 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, integral); |
| } |
| 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(/*inputFP=*/nullptr, data->context(), *data->caps()->shaderCaps(), |
| SkRect::MakeWH(width, height), sigma); |
| } |
| #endif |