1 /*
2 * Copyright 2019 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 GrMixerEffect.fp; do not modify.
10 **************************************************************************************************/
11 #include "GrMixerEffect.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 GrGLSLMixerEffect : public GrGLSLFragmentProcessor {
19 public:
GrGLSLMixerEffect()20 GrGLSLMixerEffect() {}
emitCode(EmitArgs & args)21 void emitCode(EmitArgs& args) override {
22 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
23 const GrMixerEffect& _outer = args.fFp.cast<GrMixerEffect>();
24 (void)_outer;
25 auto weight = _outer.weight();
26 (void)weight;
27 fWeightVar =
28 args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf_GrSLType, "weight");
29 SkString _input0 = SkStringPrintf("%s", args.fInputColor);
30 SkString _child0("_child0");
31 this->emitChild(_outer.fp0_index(), _input0.c_str(), &_child0, args);
32 fragBuilder->codeAppendf("half4 in0 = %s;", _child0.c_str());
33 SkString _input1 = SkStringPrintf("%s", args.fInputColor);
34 SkString _child1("_child1");
35 if (_outer.fp1_index() >= 0) {
36 this->emitChild(_outer.fp1_index(), _input1.c_str(), &_child1, args);
37 } else {
38 fragBuilder->codeAppendf("half4 %s;", _child1.c_str());
39 }
40 fragBuilder->codeAppendf("\nhalf4 in1 = %s ? %s : %s;\n%s = mix(in0, in1, %s);\n",
41 _outer.fp1_index() >= 0 ? "true" : "false", _child1.c_str(),
42 args.fInputColor, args.fOutputColor,
43 args.fUniformHandler->getUniformCStr(fWeightVar));
44 }
45
46 private:
onSetData(const GrGLSLProgramDataManager & pdman,const GrFragmentProcessor & _proc)47 void onSetData(const GrGLSLProgramDataManager& pdman,
48 const GrFragmentProcessor& _proc) override {
49 const GrMixerEffect& _outer = _proc.cast<GrMixerEffect>();
50 { pdman.set1f(fWeightVar, (_outer.weight())); }
51 }
52 UniformHandle fWeightVar;
53 };
onCreateGLSLInstance() const54 GrGLSLFragmentProcessor* GrMixerEffect::onCreateGLSLInstance() const {
55 return new GrGLSLMixerEffect();
56 }
onGetGLSLProcessorKey(const GrShaderCaps & caps,GrProcessorKeyBuilder * b) const57 void GrMixerEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps,
58 GrProcessorKeyBuilder* b) const {}
onIsEqual(const GrFragmentProcessor & other) const59 bool GrMixerEffect::onIsEqual(const GrFragmentProcessor& other) const {
60 const GrMixerEffect& that = other.cast<GrMixerEffect>();
61 (void)that;
62 if (fWeight != that.fWeight) return false;
63 return true;
64 }
GrMixerEffect(const GrMixerEffect & src)65 GrMixerEffect::GrMixerEffect(const GrMixerEffect& src)
66 : INHERITED(kGrMixerEffect_ClassID, src.optimizationFlags())
67 , fFp0_index(src.fFp0_index)
68 , fFp1_index(src.fFp1_index)
69 , fWeight(src.fWeight) {
70 this->registerChildProcessor(src.childProcessor(fFp0_index).clone());
71 if (fFp1_index >= 0) {
72 this->registerChildProcessor(src.childProcessor(fFp1_index).clone());
73 }
74 }
clone() const75 std::unique_ptr<GrFragmentProcessor> GrMixerEffect::clone() const {
76 return std::unique_ptr<GrFragmentProcessor>(new GrMixerEffect(*this));
77 }
78