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(_outer.gradLayout_index(), &_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 = (t_1 - 2.0 * "
36 "floor(t_1 * 0.5)) - 1.0;\n if (sk_Caps.mustDoOpBetweenFloorAndAbs) {\n "
37 " tiled_t = clamp(tiled_t, -1.0, 1.0);\n }\n t.x = "
38 "abs(tiled_t);\n } else {\n t.x = fract(t.x);\n }",
39 _child1.c_str(),
40 (_outer.childProcessor(_outer.gradLayout_index()).preservesOpaqueInput() ? "true"
41 : "false"),
42 args.fOutputColor, (_outer.mirror() ? "true" : "false"));
43 SkString _input0("t");
44 SkString _child0("_child0");
45 this->emitChild(_outer.colorizer_index(), _input0.c_str(), &_child0, args);
46 fragBuilder->codeAppendf("\n %s = %s;\n}\n@if (%s) {\n %s.xyz *= %s.w;\n}\n",
47 args.fOutputColor, _child0.c_str(),
48 (_outer.makePremul() ? "true" : "false"), args.fOutputColor,
49 args.fOutputColor);
50 }
51
52 private:
onSetData(const GrGLSLProgramDataManager & pdman,const GrFragmentProcessor & _proc)53 void onSetData(const GrGLSLProgramDataManager& pdman,
54 const GrFragmentProcessor& _proc) override {}
55 };
onCreateGLSLInstance() const56 GrGLSLFragmentProcessor* GrTiledGradientEffect::onCreateGLSLInstance() const {
57 return new GrGLSLTiledGradientEffect();
58 }
onGetGLSLProcessorKey(const GrShaderCaps & caps,GrProcessorKeyBuilder * b) const59 void GrTiledGradientEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps,
60 GrProcessorKeyBuilder* b) const {
61 b->add32((int32_t)fMirror);
62 b->add32((int32_t)fMakePremul);
63 }
onIsEqual(const GrFragmentProcessor & other) const64 bool GrTiledGradientEffect::onIsEqual(const GrFragmentProcessor& other) const {
65 const GrTiledGradientEffect& that = other.cast<GrTiledGradientEffect>();
66 (void)that;
67 if (fMirror != that.fMirror) return false;
68 if (fMakePremul != that.fMakePremul) return false;
69 if (fColorsAreOpaque != that.fColorsAreOpaque) return false;
70 return true;
71 }
GrTiledGradientEffect(const GrTiledGradientEffect & src)72 GrTiledGradientEffect::GrTiledGradientEffect(const GrTiledGradientEffect& src)
73 : INHERITED(kGrTiledGradientEffect_ClassID, src.optimizationFlags())
74 , fColorizer_index(src.fColorizer_index)
75 , fGradLayout_index(src.fGradLayout_index)
76 , fMirror(src.fMirror)
77 , fMakePremul(src.fMakePremul)
78 , fColorsAreOpaque(src.fColorsAreOpaque) {
79 this->registerChildProcessor(src.childProcessor(fColorizer_index).clone());
80 this->registerChildProcessor(src.childProcessor(fGradLayout_index).clone());
81 }
clone() const82 std::unique_ptr<GrFragmentProcessor> GrTiledGradientEffect::clone() const {
83 return std::unique_ptr<GrFragmentProcessor>(new GrTiledGradientEffect(*this));
84 }
85