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 GrRadialGradientLayout.fp; do not modify.
10 **************************************************************************************************/
11#include "GrRadialGradientLayout.h"
12
13#include "src/gpu/GrTexture.h"
14#include "src/gpu/glsl/GrGLSLFragmentProcessor.h"
15#include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h"
16#include "src/gpu/glsl/GrGLSLProgramBuilder.h"
17#include "src/sksl/SkSLCPP.h"
18#include "src/sksl/SkSLUtil.h"
19class GrGLSLRadialGradientLayout : public GrGLSLFragmentProcessor {
20public:
21 GrGLSLRadialGradientLayout() {}
22 void emitCode(EmitArgs& args) override {
23 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
24 const GrRadialGradientLayout& _outer = args.fFp.cast<GrRadialGradientLayout>();
25 (void)_outer;
26 auto gradientMatrix = _outer.gradientMatrix;
27 (void)gradientMatrix;
28 SkString sk_TransformedCoords2D_0 =
29 fragBuilder->ensureCoords2D(args.fTransformedCoords[0].fVaryingPoint);
30 fragBuilder->codeAppendf("half t = half(length(%s));\n%s = half4(t, 1.0, 0.0, 0.0);\n",
31 sk_TransformedCoords2D_0.c_str(), args.fOutputColor);
32 }
33
34private:
35 void onSetData(const GrGLSLProgramDataManager& pdman,
36 const GrFragmentProcessor& _proc) override {}
37};
38GrGLSLFragmentProcessor* GrRadialGradientLayout::onCreateGLSLInstance() const {
39 return new GrGLSLRadialGradientLayout();
40}
41void GrRadialGradientLayout::onGetGLSLProcessorKey(const GrShaderCaps& caps,
42 GrProcessorKeyBuilder* b) const {}
43bool GrRadialGradientLayout::onIsEqual(const GrFragmentProcessor& other) const {
44 const GrRadialGradientLayout& that = other.cast<GrRadialGradientLayout>();
45 (void)that;
46 if (gradientMatrix != that.gradientMatrix) return false;
47 return true;
48}
49GrRadialGradientLayout::GrRadialGradientLayout(const GrRadialGradientLayout& src)
50 : INHERITED(kGrRadialGradientLayout_ClassID, src.optimizationFlags())
51 , fCoordTransform0(src.fCoordTransform0)
52 , gradientMatrix(src.gradientMatrix) {
53 this->addCoordTransform(&fCoordTransform0);
54}
55std::unique_ptr<GrFragmentProcessor> GrRadialGradientLayout::clone() const {
56 return std::unique_ptr<GrFragmentProcessor>(new GrRadialGradientLayout(*this));
57}
58GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrRadialGradientLayout);
59#if GR_TEST_UTILS
60std::unique_ptr<GrFragmentProcessor> GrRadialGradientLayout::TestCreate(GrProcessorTestData* d) {
61 SkScalar scale = GrGradientShader::RandomParams::kGradientScale;
62 std::unique_ptr<GrFragmentProcessor> fp;
63 GrTest::TestAsFPArgs asFPArgs(d);
64 do {
65 GrGradientShader::RandomParams params(d->fRandom);
66 SkPoint center = {d->fRandom->nextRangeScalar(0.0f, scale),
67 d->fRandom->nextRangeScalar(0.0f, scale)};
68 SkScalar radius = d->fRandom->nextRangeScalar(0.0f, scale);
69 sk_sp<SkShader> shader =
70 params.fUseColors4f
71 ? SkGradientShader::MakeRadial(center, radius, params.fColors4f,
72 params.fColorSpace, params.fStops,
73 params.fColorCount, params.fTileMode)
74 : SkGradientShader::MakeRadial(center, radius, params.fColors,
75 params.fStops, params.fColorCount,
76 params.fTileMode);
77 // Degenerate params can create an Empty (non-null) shader, where fp will be nullptr
78 fp = shader ? as_SB(shader)->asFragmentProcessor(asFPArgs.args()) : nullptr;
79 } while (!fp);
80 return fp;
81}
82#endif
83
84std::unique_ptr<GrFragmentProcessor> GrRadialGradientLayout::Make(const SkRadialGradient& grad,
85 const GrFPArgs& args) {
86 SkMatrix matrix;
87 if (!grad.totalLocalMatrix(args.fPreLocalMatrix)->invert(&matrix)) {
88 return nullptr;
89 }
90 matrix.postConcat(grad.getGradientMatrix());
91 return std::unique_ptr<GrFragmentProcessor>(new GrRadialGradientLayout(matrix));
92}
93