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#if SK_SUPPORT_GPU
13#include "glsl/GrGLSLFragmentProcessor.h"
14#include "glsl/GrGLSLFragmentShaderBuilder.h"
15#include "glsl/GrGLSLProgramBuilder.h"
16#include "GrTexture.h"
17#include "SkSLCPP.h"
18#include "SkSLUtil.h"
19class GrGLSLBlurredEdgeFragmentProcessor : public GrGLSLFragmentProcessor {
20public:
21    GrGLSLBlurredEdgeFragmentProcessor() {}
22    void emitCode(EmitArgs& args) override {
23        GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
24        const GrBlurredEdgeFragmentProcessor& _outer =
25                args.fFp.cast<GrBlurredEdgeFragmentProcessor>();
26        (void)_outer;
27        auto mode = _outer.mode();
28        (void)mode;
29        fragBuilder->codeAppendf(
30                "half factor = half(1.0 - float(%s.w));\n@switch (%d) {\n    case 0:\n        "
31                "factor = half(exp(float(float(-factor * factor) * 4.0)) - "
32                "0.017999999999999999);\n        break;\n    case 1:\n        factor = "
33                "half(smoothstep(1.0, 0.0, float(factor)));\n        break;\n}\n%s = "
34                "half4(factor);\n",
35                args.fInputColor ? args.fInputColor : "half4(1)", (int)_outer.mode(),
36                args.fOutputColor);
37    }
38
39private:
40    void onSetData(const GrGLSLProgramDataManager& pdman,
41                   const GrFragmentProcessor& _proc) override {}
42};
43GrGLSLFragmentProcessor* GrBlurredEdgeFragmentProcessor::onCreateGLSLInstance() const {
44    return new GrGLSLBlurredEdgeFragmentProcessor();
45}
46void GrBlurredEdgeFragmentProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps,
47                                                           GrProcessorKeyBuilder* b) const {
48    b->add32((int32_t)fMode);
49}
50bool GrBlurredEdgeFragmentProcessor::onIsEqual(const GrFragmentProcessor& other) const {
51    const GrBlurredEdgeFragmentProcessor& that = other.cast<GrBlurredEdgeFragmentProcessor>();
52    (void)that;
53    if (fMode != that.fMode) return false;
54    return true;
55}
56GrBlurredEdgeFragmentProcessor::GrBlurredEdgeFragmentProcessor(
57        const GrBlurredEdgeFragmentProcessor& src)
58        : INHERITED(kGrBlurredEdgeFragmentProcessor_ClassID, src.optimizationFlags())
59        , fMode(src.fMode) {}
60std::unique_ptr<GrFragmentProcessor> GrBlurredEdgeFragmentProcessor::clone() const {
61    return std::unique_ptr<GrFragmentProcessor>(new GrBlurredEdgeFragmentProcessor(*this));
62}
63#endif
64