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 GrLinearGradientLayout.fp; do not modify.
10 **************************************************************************************************/
11#include "GrLinearGradientLayout.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 GrGLSLLinearGradientLayout : public GrGLSLFragmentProcessor {
21public:
22 GrGLSLLinearGradientLayout() {}
23 void emitCode(EmitArgs& args) override {
24 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
25 const GrLinearGradientLayout& _outer = args.fFp.cast<GrLinearGradientLayout>();
26 (void)_outer;
27 fragBuilder->codeAppendf(
28 R"SkSL(half t = half(%s.x) + 9.9999997473787516e-06;
29%s = half4(t, 1.0, 0.0, 0.0);
30)SkSL",
31 args.fSampleCoord, args.fOutputColor);
32 }
33
34private:
35 void onSetData(const GrGLSLProgramDataManager& pdman,
36 const GrFragmentProcessor& _proc) override {}
37};
38GrGLSLFragmentProcessor* GrLinearGradientLayout::onCreateGLSLInstance() const {
39 return new GrGLSLLinearGradientLayout();
40}
41void GrLinearGradientLayout::onGetGLSLProcessorKey(const GrShaderCaps& caps,
42 GrProcessorKeyBuilder* b) const {}
43bool GrLinearGradientLayout::onIsEqual(const GrFragmentProcessor& other) const {
44 const GrLinearGradientLayout& that = other.cast<GrLinearGradientLayout>();
45 (void)that;
46 return true;
47}
48GrLinearGradientLayout::GrLinearGradientLayout(const GrLinearGradientLayout& src)
49 : INHERITED(kGrLinearGradientLayout_ClassID, src.optimizationFlags()) {
50 this->cloneAndRegisterAllChildProcessors(src);
51 this->setUsesSampleCoordsDirectly();
52}
53std::unique_ptr<GrFragmentProcessor> GrLinearGradientLayout::clone() const {
54 return std::make_unique<GrLinearGradientLayout>(*this);
55}
56#if GR_TEST_UTILS
57SkString GrLinearGradientLayout::onDumpInfo() const { return SkString(); }
58#endif
59GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrLinearGradientLayout);
60#if GR_TEST_UTILS
61std::unique_ptr<GrFragmentProcessor> GrLinearGradientLayout::TestCreate(GrProcessorTestData* d) {
62 SkScalar scale = GrGradientShader::RandomParams::kGradientScale;
63 SkPoint points[] = {
64 {d->fRandom->nextRangeScalar(0.0f, scale), d->fRandom->nextRangeScalar(0.0f, scale)},
65 {d->fRandom->nextRangeScalar(0.0f, scale), d->fRandom->nextRangeScalar(0.0f, scale)}};
66
67 GrGradientShader::RandomParams params(d->fRandom);
68 auto shader = params.fUseColors4f
69 ? SkGradientShader::MakeLinear(points, params.fColors4f,
70 params.fColorSpace, params.fStops,
71 params.fColorCount, params.fTileMode)
72 : SkGradientShader::MakeLinear(points, params.fColors, params.fStops,
73 params.fColorCount, params.fTileMode);
74 GrTest::TestAsFPArgs asFPArgs(d);
75 std::unique_ptr<GrFragmentProcessor> fp = as_SB(shader)->asFragmentProcessor(asFPArgs.args());
76 SkASSERT_RELEASE(fp);
77 return fp;
78}
79#endif
80
81std::unique_ptr<GrFragmentProcessor> GrLinearGradientLayout::Make(const SkLinearGradient& grad,
82 const GrFPArgs& args) {
83 SkMatrix matrix;
84 if (!grad.totalLocalMatrix(args.fPreLocalMatrix)->invert(&matrix)) {
85 return nullptr;
86 }
87 matrix.postConcat(grad.getGradientMatrix());
88 return GrMatrixEffect::Make(matrix,
89 std::unique_ptr<GrFragmentProcessor>(new GrLinearGradientLayout()));
90}
91