| /* |
| * Copyright 2020 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 GrHighContrastFilterEffect.fp; do not modify. |
| **************************************************************************************************/ |
| #include "GrHighContrastFilterEffect.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 GrGLSLHighContrastFilterEffect : public GrGLSLFragmentProcessor { |
| public: |
| GrGLSLHighContrastFilterEffect() {} |
| void emitCode(EmitArgs& args) override { |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| const GrHighContrastFilterEffect& _outer = args.fFp.cast<GrHighContrastFilterEffect>(); |
| (void)_outer; |
| auto contrastMod = _outer.contrastMod; |
| (void)contrastMod; |
| auto hasContrast = _outer.hasContrast; |
| (void)hasContrast; |
| auto grayscale = _outer.grayscale; |
| (void)grayscale; |
| auto invertBrightness = _outer.invertBrightness; |
| (void)invertBrightness; |
| auto invertLightness = _outer.invertLightness; |
| (void)invertLightness; |
| auto linearize = _outer.linearize; |
| (void)linearize; |
| contrastModVar = args.fUniformHandler->addUniform(&_outer, kFragment_GrShaderFlag, |
| kHalf_GrSLType, "contrastMod"); |
| SkString HSLToRGB_name; |
| const GrShaderVar HSLToRGB_args[] = {GrShaderVar("p", kHalf_GrSLType), |
| GrShaderVar("q", kHalf_GrSLType), |
| GrShaderVar("t", kHalf_GrSLType)}; |
| fragBuilder->emitFunction(kHalf_GrSLType, "HSLToRGB", 3, HSLToRGB_args, |
| R"SkSL(if (t < 0.0) t += 1.0; |
| if (t > 1.0) t -= 1.0; |
| return t < 0.16666666666666666 ? p + ((q - p) * 6.0) * t : (t < 0.5 ? q : (t < 0.66666666666666663 ? p + ((q - p) * (0.66666666666666663 - t)) * 6.0 : p)); |
| )SkSL", |
| &HSLToRGB_name); |
| SkString _input896(args.fInputColor); |
| SkString _sample896 = this->invokeChild(0, _input896.c_str(), args); |
| fragBuilder->codeAppendf( |
| R"SkSL( |
| half4 inColor = %s; |
| half4 inlineResult0; |
| half4 inlineArg1_0 = inColor; |
| { |
| inlineResult0 = half4(inlineArg1_0.xyz / max(inlineArg1_0.w, 9.9999997473787516e-05), inlineArg1_0.w); |
| } |
| half4 color = inlineResult0; |
| |
| @if (%s) { |
| color.xyz = color.xyz * color.xyz; |
| } |
| @if (%s) { |
| color = half4(half3(dot(color.xyz, half3(0.2125999927520752, 0.71520000696182251, 0.072200000286102295))), 0.0); |
| } |
| @if (%s) { |
| color = half4(1.0) - color; |
| } |
| @if (%s) { |
| half fmax = max(color.x, max(color.y, color.z)); |
| half fmin = min(color.x, min(color.y, color.z)); |
| half l = fmax + fmin; |
| half h; |
| half s; |
| if (fmax == fmin) { |
| h = 0.0; |
| s = 0.0; |
| } else { |
| half d = fmax - fmin; |
| s = l > 1.0 ? d / (2.0 - l) : d / l; |
| if (color.x >= color.y && color.x >= color.z) { |
| h = (color.y - color.z) / d + half(color.y < color.z ? 6 : 0); |
| } else if (color.y >= color.z) { |
| h = (color.z - color.x) / d + 2.0; |
| } else { |
| h = (color.x - color.y) / d + 4.0; |
| } |
| h *= 0.16666666666666666; |
| } |
| l = 1.0 + l * -0.5; |
| if (s == 0.0) { |
| color = half4(l, l, l, 0.0); |
| } else { |
| half q = l < 0.5 ? l * (1.0 + s) : (l + s) - l * s; |
| half p = 2.0 * l - q; |
| color.x = %s(p, q, h + 0.33333333333333331); |
| color.y = %s(p, q, h); |
| color.z = %s(p, q, h - 0.33333333333333331); |
| } |
| } |
| @if (%s) { |
| half off = -0.5 * %s + 0.5; |
| color = %s * color + off; |
| } |
| color = clamp(color, 0.0, 1.0); |
| @if (%s) { |
| color.xyz = sqrt(color.xyz); |
| } |
| %s = half4(color.xyz, 1) * inColor.w; |
| )SkSL", |
| _sample896.c_str(), (_outer.linearize ? "true" : "false"), |
| (_outer.grayscale ? "true" : "false"), (_outer.invertBrightness ? "true" : "false"), |
| (_outer.invertLightness ? "true" : "false"), HSLToRGB_name.c_str(), |
| HSLToRGB_name.c_str(), HSLToRGB_name.c_str(), |
| (_outer.hasContrast ? "true" : "false"), |
| args.fUniformHandler->getUniformCStr(contrastModVar), |
| args.fUniformHandler->getUniformCStr(contrastModVar), |
| (_outer.linearize ? "true" : "false"), args.fOutputColor); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override { |
| const GrHighContrastFilterEffect& _outer = _proc.cast<GrHighContrastFilterEffect>(); |
| { pdman.set1f(contrastModVar, (_outer.contrastMod)); } |
| } |
| UniformHandle contrastModVar; |
| }; |
| GrGLSLFragmentProcessor* GrHighContrastFilterEffect::onCreateGLSLInstance() const { |
| return new GrGLSLHighContrastFilterEffect(); |
| } |
| void GrHighContrastFilterEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| GrProcessorKeyBuilder* b) const { |
| b->add32((int32_t)hasContrast); |
| b->add32((int32_t)grayscale); |
| b->add32((int32_t)invertBrightness); |
| b->add32((int32_t)invertLightness); |
| b->add32((int32_t)linearize); |
| } |
| bool GrHighContrastFilterEffect::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrHighContrastFilterEffect& that = other.cast<GrHighContrastFilterEffect>(); |
| (void)that; |
| if (contrastMod != that.contrastMod) return false; |
| if (hasContrast != that.hasContrast) return false; |
| if (grayscale != that.grayscale) return false; |
| if (invertBrightness != that.invertBrightness) return false; |
| if (invertLightness != that.invertLightness) return false; |
| if (linearize != that.linearize) return false; |
| return true; |
| } |
| GrHighContrastFilterEffect::GrHighContrastFilterEffect(const GrHighContrastFilterEffect& src) |
| : INHERITED(kGrHighContrastFilterEffect_ClassID, src.optimizationFlags()) |
| , contrastMod(src.contrastMod) |
| , hasContrast(src.hasContrast) |
| , grayscale(src.grayscale) |
| , invertBrightness(src.invertBrightness) |
| , invertLightness(src.invertLightness) |
| , linearize(src.linearize) { |
| this->cloneAndRegisterAllChildProcessors(src); |
| } |
| std::unique_ptr<GrFragmentProcessor> GrHighContrastFilterEffect::clone() const { |
| return std::unique_ptr<GrFragmentProcessor>(new GrHighContrastFilterEffect(*this)); |
| } |
| GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrHighContrastFilterEffect); |
| #if GR_TEST_UTILS |
| std::unique_ptr<GrFragmentProcessor> GrHighContrastFilterEffect::TestCreate( |
| GrProcessorTestData* d) { |
| using InvertStyle = SkHighContrastConfig::InvertStyle; |
| SkHighContrastConfig config{/*grayscale=*/d->fRandom->nextBool(), |
| InvertStyle(d->fRandom->nextRangeU(0, int(InvertStyle::kLast))), |
| /*contrast=*/d->fRandom->nextF()}; |
| return GrHighContrastFilterEffect::Make(/*inputFP=*/nullptr, config, |
| /*linearize=*/d->fRandom->nextBool()); |
| } |
| #endif |