| /* | |
| * 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 "include/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(kFragment_GrShaderFlag, kFloat4_GrSLType, | |
| "rectF"); | |
| } | |
| if (!highp) { | |
| rectHVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType, | |
| "rectH"); | |
| } | |
| invSixSigmaVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf_GrSLType, | |
| "invSixSigma"); | |
| fragBuilder->codeAppendf( | |
| "/* key */ bool highp = %s;\nhalf xCoverage, yCoverage;\n@if (%s) {\n half x, " | |
| "y;\n @if (highp) {\n x = max(half(%s.x - sk_FragCoord.x), " | |
| "half(sk_FragCoord.x - %s.z));\n y = max(half(%s.y - sk_FragCoord.y), " | |
| "half(sk_FragCoord.y - %s.w));\n } else {\n x = max(half(float(%s.x) - " | |
| "sk_FragCoord.x), half(sk_FragCoord.x - float(%s.z)));\n y = " | |
| "max(half(float(%s.y) - sk_FragCoord.y), half(sk_FragCoord.y - float(%s.w)));\n " | |
| "}\n xCoverage = sample(%s, float2(half2(x * %s, 0.5))).", | |
| (highp ? "true" : "false"), (_outer.isFast ? "true" : "false"), | |
| rectFVar.isValid() ? args.fUniformHandler->getUniformCStr(rectFVar) : "float4(0)", | |
| rectFVar.isValid() ? args.fUniformHandler->getUniformCStr(rectFVar) : "float4(0)", | |
| 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)", | |
| rectHVar.isValid() ? args.fUniformHandler->getUniformCStr(rectHVar) : "half4(0)", | |
| rectHVar.isValid() ? args.fUniformHandler->getUniformCStr(rectHVar) : "half4(0)", | |
| fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]), | |
| args.fUniformHandler->getUniformCStr(invSixSigmaVar)); | |
| fragBuilder->codeAppendf( | |
| "%s.w;\n yCoverage = sample(%s, float2(half2(y * %s, 0.5))).%s.w;\n %s = (%s " | |
| "* xCoverage) * yCoverage;\n} else {\n half l, r, t, b;\n @if (highp) {\n " | |
| " l = half(sk_FragCoord.x - %s.x);\n r = half(%s.z - sk_FragCoord.x);\n " | |
| " t = half(sk_FragCoord.y - %s.y);\n b = half(%s.w - " | |
| "sk_FragCoord.y);\n } else {\n l = half(sk_FragCoord.x - float(%s.x));\n " | |
| " r = half(float(%s.z) - sk_FragCoord.x);\n t = half(sk_FragCoord.y - " | |
| "float(%s.y));\n b = half(float(", | |
| fragBuilder->getProgramBuilder() | |
| ->samplerSwizzle(args.fTexSamplers[0]) | |
| .asString() | |
| .c_str(), | |
| fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]), | |
| args.fUniformHandler->getUniformCStr(invSixSigmaVar), | |
| fragBuilder->getProgramBuilder() | |
| ->samplerSwizzle(args.fTexSamplers[0]) | |
| .asString() | |
| .c_str(), | |
| args.fOutputColor, args.fInputColor, | |
| rectFVar.isValid() ? args.fUniformHandler->getUniformCStr(rectFVar) : "float4(0)", | |
| rectFVar.isValid() ? args.fUniformHandler->getUniformCStr(rectFVar) : "float4(0)", | |
| 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)", | |
| rectHVar.isValid() ? args.fUniformHandler->getUniformCStr(rectHVar) : "half4(0)"); | |
| fragBuilder->codeAppendf( | |
| "%s.w) - sk_FragCoord.y);\n }\n half il = 1.0 + l * %s;\n half ir = 1.0 + " | |
| "r * %s;\n half it = 1.0 + t * %s;\n half ib = 1.0 + b * %s;\n xCoverage " | |
| "= (1.0 - sample(%s, float2(half2(il, 0.5))).%s.w) - sample(%s, float2(half2(ir, " | |
| "0.5))).%s.w;\n yCoverage = (1.0 - sample(%s, float2(half2(it, 0.5))).%s.w) - " | |
| "sample(%s, float2(half2(ib, 0.5))).%s.w;\n}\n%s = (%s * xCoverage) * yCoverage;\n", | |
| rectHVar.isValid() ? args.fUniformHandler->getUniformCStr(rectHVar) : "half4(0)", | |
| args.fUniformHandler->getUniformCStr(invSixSigmaVar), | |
| args.fUniformHandler->getUniformCStr(invSixSigmaVar), | |
| args.fUniformHandler->getUniformCStr(invSixSigmaVar), | |
| 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(), | |
| args.fOutputColor, args.fInputColor); | |
| } | |
| 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) { | |
| 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(data->proxyProvider(), *data->caps()->shaderCaps(), | |
| SkRect::MakeWH(width, height), sigma); | |
| } | |
| #endif |