| /* |
| * 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 GrHSLToRGBFilterEffect.fp; do not modify. |
| **************************************************************************************************/ |
| #ifndef GrHSLToRGBFilterEffect_DEFINED |
| #define GrHSLToRGBFilterEffect_DEFINED |
| #include "include/core/SkTypes.h" |
| #include "include/private/SkM44.h" |
| |
| #include "src/gpu/GrCoordTransform.h" |
| #include "src/gpu/GrFragmentProcessor.h" |
| class GrHSLToRGBFilterEffect : public GrFragmentProcessor { |
| public: |
| #include "include/private/SkColorData.h" |
| #include "include/private/SkNx.h" |
| |
| SkPMColor4f constantOutputForConstantInput(const SkPMColor4f& c) const override { |
| const auto H = c[0], S = c[1], L = c[2], C = (1 - std::abs(2 * L - 1)) * S; |
| |
| const auto p = H + Sk4f(0, 2 / 3.f, 1 / 3.f, 0), |
| q = Sk4f::Min(Sk4f::Max(((p - p.floor()) * 6 - 3).abs() - 1, 0), 1), |
| rgb = (q - 0.5f) * C + L, |
| rgba = Sk4f::Min(Sk4f::Max(Sk4f(rgb[0], rgb[1], rgb[2], c.fA), 0), 1); |
| |
| return SkColor4f{rgba[0], rgba[1], rgba[2], rgba[3]}.premul(); |
| } |
| static std::unique_ptr<GrFragmentProcessor> Make() { |
| return std::unique_ptr<GrFragmentProcessor>(new GrHSLToRGBFilterEffect()); |
| } |
| GrHSLToRGBFilterEffect(const GrHSLToRGBFilterEffect& src); |
| std::unique_ptr<GrFragmentProcessor> clone() const override; |
| const char* name() const override { return "HSLToRGBFilterEffect"; } |
| |
| private: |
| GrHSLToRGBFilterEffect() |
| : INHERITED(kGrHSLToRGBFilterEffect_ClassID, |
| (OptimizationFlags)(kConstantOutputForConstantInput_OptimizationFlag | |
| kPreservesOpaqueInput_OptimizationFlag)) {} |
| GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; |
| void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override; |
| bool onIsEqual(const GrFragmentProcessor&) const override; |
| GR_DECLARE_FRAGMENT_PROCESSOR_TEST |
| typedef GrFragmentProcessor INHERITED; |
| }; |
| #endif |