1/*
2 * Copyright 2019 Google LLC
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8/**************************************************************************************************
9 *** This file was autogenerated from GrHSLToRGBFilterEffect.fp; do not modify.
10 **************************************************************************************************/
11#ifndef GrHSLToRGBFilterEffect_DEFINED
12#define GrHSLToRGBFilterEffect_DEFINED
13#include "include/core/SkTypes.h"
14#include "include/core/SkM44.h"
15
16#include "src/gpu/GrCoordTransform.h"
17#include "src/gpu/GrFragmentProcessor.h"
18class GrHSLToRGBFilterEffect : public GrFragmentProcessor {
19public:
20#include "include/private/SkColorData.h"
21#include "include/private/SkNx.h"
22
23 SkPMColor4f constantOutputForConstantInput(const SkPMColor4f& c) const override {
24 const auto H = c[0], S = c[1], L = c[2], C = (1 - std::abs(2 * L - 1)) * S;
25
26 const auto p = H + Sk4f(0, 2 / 3.f, 1 / 3.f, 0),
27 q = Sk4f::Min(Sk4f::Max(((p - p.floor()) * 6 - 3).abs() - 1, 0), 1),
28 rgb = (q - 0.5f) * C + L,
29 rgba = Sk4f::Min(Sk4f::Max(Sk4f(rgb[0], rgb[1], rgb[2], c.fA), 0), 1);
30
31 return SkColor4f{rgba[0], rgba[1], rgba[2], rgba[3]}.premul();
32 }
33 static std::unique_ptr<GrFragmentProcessor> Make() {
34 return std::unique_ptr<GrFragmentProcessor>(new GrHSLToRGBFilterEffect());
35 }
36 GrHSLToRGBFilterEffect(const GrHSLToRGBFilterEffect& src);
37 std::unique_ptr<GrFragmentProcessor> clone() const override;
38 const char* name() const override { return "HSLToRGBFilterEffect"; }
39
40private:
41 GrHSLToRGBFilterEffect()
42 : INHERITED(kGrHSLToRGBFilterEffect_ClassID,
43 (OptimizationFlags)(kConstantOutputForConstantInput_OptimizationFlag |
44 kPreservesOpaqueInput_OptimizationFlag)) {}
45 GrGLSLFragmentProcessor* onCreateGLSLInstance() const override;
46 void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override;
47 bool onIsEqual(const GrFragmentProcessor&) const override;
48 GR_DECLARE_FRAGMENT_PROCESSOR_TEST
49 typedef GrFragmentProcessor INHERITED;
50};
51#endif
52