1 /*
2 * Copyright 2018 Google Inc.
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 GrTiledGradientEffect.fp; do not modify.
10 **************************************************************************************************/
11 #include "GrTiledGradientEffect.h"
12 #include "glsl/GrGLSLFragmentProcessor.h"
13 #include "glsl/GrGLSLFragmentShaderBuilder.h"
14 #include "glsl/GrGLSLProgramBuilder.h"
15 #include "GrTexture.h"
16 #include "SkSLCPP.h"
17 #include "SkSLUtil.h"
18 class GrGLSLTiledGradientEffect : public GrGLSLFragmentProcessor {
19 public:
GrGLSLTiledGradientEffect()20 GrGLSLTiledGradientEffect() {}
emitCode(EmitArgs & args)21 void emitCode(EmitArgs& args) override {
22 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
23 const GrTiledGradientEffect& _outer = args.fFp.cast<GrTiledGradientEffect>();
24 (void)_outer;
25 auto mirror = _outer.mirror();
26 (void)mirror;
27 auto makePremul = _outer.makePremul();
28 (void)makePremul;
29 auto colorsAreOpaque = _outer.colorsAreOpaque();
30 (void)colorsAreOpaque;
31 SkString _child1("_child1");
32 this->emitChild(1, &_child1, args);
33 fragBuilder->codeAppendf(
34 "half4 t = %s;\nif (!%s && t.y < 0.0) {\n %s = half4(0.0);\n} else {\n @if "
35 "(%s) {\n half t_1 = t.x - 1.0;\n half tiled_t = (float(t_1) - 2.0 * "
36 "floor(float(float(t_1) * 0.5))) - 1.0;\n if "
37 "(sk_Caps.mustDoOpBetweenFloorAndAbs) {\n tiled_t = "
38 "half(clamp(float(tiled_t), -1.0, 1.0));\n }\n t.x = "
39 "half(abs(float(tiled_t)));\n } else {\n t.x = "
40 "half(fract(float(t.x)));\n }",
41 _child1.c_str(),
42 (_outer.childProcessor(1).preservesOpaqueInput() ? "true" : "false"),
43 args.fOutputColor, (_outer.mirror() ? "true" : "false"));
44 SkString _input0("t");
45 SkString _child0("_child0");
46 this->emitChild(0, _input0.c_str(), &_child0, args);
47 fragBuilder->codeAppendf("\n %s = %s;\n}\n@if (%s) {\n %s.xyz *= %s.w;\n}\n",
48 args.fOutputColor, _child0.c_str(),
49 (_outer.makePremul() ? "true" : "false"), args.fOutputColor,
50 args.fOutputColor);
51 }
52
53 private:
onSetData(const GrGLSLProgramDataManager & pdman,const GrFragmentProcessor & _proc)54 void onSetData(const GrGLSLProgramDataManager& pdman,
55 const GrFragmentProcessor& _proc) override {}
56 };
onCreateGLSLInstance() const57 GrGLSLFragmentProcessor* GrTiledGradientEffect::onCreateGLSLInstance() const {
58 return new GrGLSLTiledGradientEffect();
59 }
onGetGLSLProcessorKey(const GrShaderCaps & caps,GrProcessorKeyBuilder * b) const60 void GrTiledGradientEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps,
61 GrProcessorKeyBuilder* b) const {
62 b->add32((int32_t)fMirror);
63 b->add32((int32_t)fMakePremul);
64 }
onIsEqual(const GrFragmentProcessor & other) const65 bool GrTiledGradientEffect::onIsEqual(const GrFragmentProcessor& other) const {
66 const GrTiledGradientEffect& that = other.cast<GrTiledGradientEffect>();
67 (void)that;
68 if (fMirror != that.fMirror) return false;
69 if (fMakePremul != that.fMakePremul) return false;
70 if (fColorsAreOpaque != that.fColorsAreOpaque) return false;
71 return true;
72 }
GrTiledGradientEffect(const GrTiledGradientEffect & src)73 GrTiledGradientEffect::GrTiledGradientEffect(const GrTiledGradientEffect& src)
74 : INHERITED(kGrTiledGradientEffect_ClassID, src.optimizationFlags())
75 , fMirror(src.fMirror)
76 , fMakePremul(src.fMakePremul)
77 , fColorsAreOpaque(src.fColorsAreOpaque) {
78 this->registerChildProcessor(src.childProcessor(0).clone());
79 this->registerChildProcessor(src.childProcessor(1).clone());
80 }
clone() const81 std::unique_ptr<GrFragmentProcessor> GrTiledGradientEffect::clone() const {
82 return std::unique_ptr<GrFragmentProcessor>(new GrTiledGradientEffect(*this));
83 }
84