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 | #include "GrHSLToRGBFilterEffect.h" |
12 | |
13 | #include "src/gpu/GrTexture.h" |
14 | #include "src/gpu/glsl/GrGLSLFragmentProcessor.h" |
15 | #include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h" |
16 | #include "src/gpu/glsl/GrGLSLProgramBuilder.h" |
17 | #include "src/sksl/SkSLCPP.h" |
18 | #include "src/sksl/SkSLUtil.h" |
19 | class GrGLSLHSLToRGBFilterEffect : public GrGLSLFragmentProcessor { |
20 | public: |
21 | GrGLSLHSLToRGBFilterEffect() {} |
22 | void emitCode(EmitArgs& args) override { |
23 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
24 | const GrHSLToRGBFilterEffect& _outer = args.fFp.cast<GrHSLToRGBFilterEffect>(); |
25 | (void)_outer; |
26 | fragBuilder->codeAppendf( |
27 | "half3 hsl = %s.xyz;\nhalf C = (1.0 - abs(2.0 * hsl.z - 1.0)) * hsl.y;\nhalf3 p = " |
28 | "hsl.xxx + half3(0.0, 0.66666666666666663, 0.33333333333333331);\nhalf3 q = " |
29 | "clamp(abs(fract(p) * 6.0 - 3.0) - 1.0, 0.0, 1.0);\nhalf3 rgb = (q - 0.5) * C + " |
30 | "hsl.z;\n%s = clamp(half4(rgb, %s.w), 0.0, 1.0);\n%s.xyz *= %s.w;\n" , |
31 | args.fInputColor, args.fOutputColor, args.fInputColor, args.fOutputColor, |
32 | args.fOutputColor); |
33 | } |
34 | |
35 | private: |
36 | void onSetData(const GrGLSLProgramDataManager& pdman, |
37 | const GrFragmentProcessor& _proc) override {} |
38 | }; |
39 | GrGLSLFragmentProcessor* GrHSLToRGBFilterEffect::onCreateGLSLInstance() const { |
40 | return new GrGLSLHSLToRGBFilterEffect(); |
41 | } |
42 | void GrHSLToRGBFilterEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
43 | GrProcessorKeyBuilder* b) const {} |
44 | bool GrHSLToRGBFilterEffect::onIsEqual(const GrFragmentProcessor& other) const { |
45 | const GrHSLToRGBFilterEffect& that = other.cast<GrHSLToRGBFilterEffect>(); |
46 | (void)that; |
47 | return true; |
48 | } |
49 | GrHSLToRGBFilterEffect::GrHSLToRGBFilterEffect(const GrHSLToRGBFilterEffect& src) |
50 | : INHERITED(kGrHSLToRGBFilterEffect_ClassID, src.optimizationFlags()) {} |
51 | std::unique_ptr<GrFragmentProcessor> GrHSLToRGBFilterEffect::clone() const { |
52 | return std::unique_ptr<GrFragmentProcessor>(new GrHSLToRGBFilterEffect(*this)); |
53 | } |
54 | |