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 GrRGBToHSLFilterEffect.fp; do not modify. |
10 | **************************************************************************************************/ |
11 | #include "GrRGBToHSLFilterEffect.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 GrGLSLRGBToHSLFilterEffect : public GrGLSLFragmentProcessor { |
20 | public: |
21 | GrGLSLRGBToHSLFilterEffect() {} |
22 | void emitCode(EmitArgs& args) override { |
23 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
24 | const GrRGBToHSLFilterEffect& _outer = args.fFp.cast<GrRGBToHSLFilterEffect>(); |
25 | (void)_outer; |
26 | fragBuilder->codeAppendf( |
27 | "half4 c = %s;\nhalf4 p = c.y < c.z ? half4(c.zy, -1.0, 0.66666666666666663) : " |
28 | "half4(c.yz, 0.0, -0.33333333333333331);\nhalf4 q = c.x < p.x ? half4(p.x, c.x, " |
29 | "p.yw) : half4(c.x, p.x, p.yz);\n\nhalf pmV = q.x;\nhalf pmC = pmV - min(q.y, " |
30 | "q.z);\nhalf pmL = pmV - pmC * 0.5;\nhalf H = abs(q.w + (q.y - q.z) / (pmC * 6.0 + " |
31 | "9.9999997473787516e-05));\nhalf S = pmC / ((c.w + 9.9999997473787516e-05) - " |
32 | "abs(pmL * 2.0 - c.w));\nhalf L = pmL / (c.w + 9.9999997473787516e-05);\n%s = " |
33 | "half4(H, S, L, c.w);\n" , |
34 | args.fInputColor, args.fOutputColor); |
35 | } |
36 | |
37 | private: |
38 | void onSetData(const GrGLSLProgramDataManager& pdman, |
39 | const GrFragmentProcessor& _proc) override {} |
40 | }; |
41 | GrGLSLFragmentProcessor* GrRGBToHSLFilterEffect::onCreateGLSLInstance() const { |
42 | return new GrGLSLRGBToHSLFilterEffect(); |
43 | } |
44 | void GrRGBToHSLFilterEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
45 | GrProcessorKeyBuilder* b) const {} |
46 | bool GrRGBToHSLFilterEffect::onIsEqual(const GrFragmentProcessor& other) const { |
47 | const GrRGBToHSLFilterEffect& that = other.cast<GrRGBToHSLFilterEffect>(); |
48 | (void)that; |
49 | return true; |
50 | } |
51 | GrRGBToHSLFilterEffect::GrRGBToHSLFilterEffect(const GrRGBToHSLFilterEffect& src) |
52 | : INHERITED(kGrRGBToHSLFilterEffect_ClassID, src.optimizationFlags()) {} |
53 | std::unique_ptr<GrFragmentProcessor> GrRGBToHSLFilterEffect::clone() const { |
54 | return std::unique_ptr<GrFragmentProcessor>(new GrRGBToHSLFilterEffect(*this)); |
55 | } |
56 | |