1/*
2 * Copyright 2017 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 GrBlurredEdgeFragmentProcessor.fp; do not modify.
10 **************************************************************************************************/
11#include "GrBlurredEdgeFragmentProcessor.h"
12
13#include "src/core/SkUtils.h"
14#include "src/gpu/GrTexture.h"
15#include "src/gpu/glsl/GrGLSLFragmentProcessor.h"
16#include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h"
17#include "src/gpu/glsl/GrGLSLProgramBuilder.h"
18#include "src/sksl/SkSLCPP.h"
19#include "src/sksl/SkSLUtil.h"
20class GrGLSLBlurredEdgeFragmentProcessor : public GrGLSLFragmentProcessor {
21public:
22 GrGLSLBlurredEdgeFragmentProcessor() {}
23 void emitCode(EmitArgs& args) override {
24 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
25 const GrBlurredEdgeFragmentProcessor& _outer =
26 args.fFp.cast<GrBlurredEdgeFragmentProcessor>();
27 (void)_outer;
28 auto mode = _outer.mode;
29 (void)mode;
30 SkString _sample308 = this->invokeChild(0, args);
31 fragBuilder->codeAppendf(
32 R"SkSL(half inputAlpha = %s.w;
33half factor = 1.0 - inputAlpha;
34@switch (%d) {
35 case 0:
36 factor = exp((-factor * factor) * 4.0) - 0.017999999225139618;
37 break;
38 case 1:
39 factor = smoothstep(1.0, 0.0, factor);
40 break;
41}
42%s = half4(factor);
43)SkSL",
44 _sample308.c_str(), (int)_outer.mode, args.fOutputColor);
45 }
46
47private:
48 void onSetData(const GrGLSLProgramDataManager& pdman,
49 const GrFragmentProcessor& _proc) override {}
50};
51GrGLSLFragmentProcessor* GrBlurredEdgeFragmentProcessor::onCreateGLSLInstance() const {
52 return new GrGLSLBlurredEdgeFragmentProcessor();
53}
54void GrBlurredEdgeFragmentProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps,
55 GrProcessorKeyBuilder* b) const {
56 b->add32((uint32_t)mode);
57}
58bool GrBlurredEdgeFragmentProcessor::onIsEqual(const GrFragmentProcessor& other) const {
59 const GrBlurredEdgeFragmentProcessor& that = other.cast<GrBlurredEdgeFragmentProcessor>();
60 (void)that;
61 if (mode != that.mode) return false;
62 return true;
63}
64GrBlurredEdgeFragmentProcessor::GrBlurredEdgeFragmentProcessor(
65 const GrBlurredEdgeFragmentProcessor& src)
66 : INHERITED(kGrBlurredEdgeFragmentProcessor_ClassID, src.optimizationFlags())
67 , mode(src.mode) {
68 this->cloneAndRegisterAllChildProcessors(src);
69}
70std::unique_ptr<GrFragmentProcessor> GrBlurredEdgeFragmentProcessor::clone() const {
71 return std::make_unique<GrBlurredEdgeFragmentProcessor>(*this);
72}
73#if GR_TEST_UTILS
74SkString GrBlurredEdgeFragmentProcessor::onDumpInfo() const {
75 return SkStringPrintf("(mode=%d)", (int)mode);
76}
77#endif
78