| /* |
| * Copyright 2019 Google LLC |
| * |
| * 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 GrRGBToHSLFilterEffect.fp; do not modify. |
| **************************************************************************************************/ |
| #include "GrRGBToHSLFilterEffect.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 GrGLSLRGBToHSLFilterEffect : public GrGLSLFragmentProcessor { |
| public: |
| GrGLSLRGBToHSLFilterEffect() {} |
| void emitCode(EmitArgs& args) override { |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| const GrRGBToHSLFilterEffect& _outer = args.fFp.cast<GrRGBToHSLFilterEffect>(); |
| (void)_outer; |
| fragBuilder->codeAppendf( |
| "half4 c = %s;\nhalf4 p = c.y < c.z ? half4(c.zy, -1.0, 0.66666666666666663) : " |
| "half4(c.yz, 0.0, -0.33333333333333331);\nhalf4 q = c.x < p.x ? half4(p.x, c.x, " |
| "p.yw) : half4(c.x, p.x, p.yz);\n\nhalf pmV = q.x;\nhalf pmC = pmV - min(q.y, " |
| "q.z);\nhalf pmL = pmV - pmC * 0.5;\nhalf H = abs(q.w + (q.y - q.z) / (pmC * 6.0 + " |
| "9.9999997473787516e-05));\nhalf S = pmC / ((c.w + 9.9999997473787516e-05) - " |
| "abs(pmL * 2.0 - c.w));\nhalf L = pmL / (c.w + 9.9999997473787516e-05);\n%s = " |
| "half4(H, S, L, c.w);\n", |
| args.fInputColor, args.fOutputColor); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override {} |
| }; |
| GrGLSLFragmentProcessor* GrRGBToHSLFilterEffect::onCreateGLSLInstance() const { |
| return new GrGLSLRGBToHSLFilterEffect(); |
| } |
| void GrRGBToHSLFilterEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| GrProcessorKeyBuilder* b) const {} |
| bool GrRGBToHSLFilterEffect::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrRGBToHSLFilterEffect& that = other.cast<GrRGBToHSLFilterEffect>(); |
| (void)that; |
| return true; |
| } |
| GrRGBToHSLFilterEffect::GrRGBToHSLFilterEffect(const GrRGBToHSLFilterEffect& src) |
| : INHERITED(kGrRGBToHSLFilterEffect_ClassID, src.optimizationFlags()) {} |
| std::unique_ptr<GrFragmentProcessor> GrRGBToHSLFilterEffect::clone() const { |
| return std::unique_ptr<GrFragmentProcessor>(new GrRGBToHSLFilterEffect(*this)); |
| } |