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 "include/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"
19 class GrGLSLRadialGradientLayout : public GrGLSLFragmentProcessor {
20 public:
GrGLSLRadialGradientLayout()21 GrGLSLRadialGradientLayout() {}
emitCode(EmitArgs & args)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 = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]);
29 fragBuilder->codeAppendf("half t = half(length(%s));\n%s = half4(t, 1.0, 0.0, 0.0);\n",
30 sk_TransformedCoords2D_0.c_str(), args.fOutputColor);
31 }
32
33 private:
onSetData(const GrGLSLProgramDataManager & pdman,const GrFragmentProcessor & _proc)34 void onSetData(const GrGLSLProgramDataManager& pdman,
35 const GrFragmentProcessor& _proc) override {}
36 };
onCreateGLSLInstance() const37 GrGLSLFragmentProcessor* GrRadialGradientLayout::onCreateGLSLInstance() const {
38 return new GrGLSLRadialGradientLayout();
39 }
onGetGLSLProcessorKey(const GrShaderCaps & caps,GrProcessorKeyBuilder * b) const40 void GrRadialGradientLayout::onGetGLSLProcessorKey(const GrShaderCaps& caps,
41 GrProcessorKeyBuilder* b) const {}
onIsEqual(const GrFragmentProcessor & other) const42 bool GrRadialGradientLayout::onIsEqual(const GrFragmentProcessor& other) const {
43 const GrRadialGradientLayout& that = other.cast<GrRadialGradientLayout>();
44 (void)that;
45 if (gradientMatrix != that.gradientMatrix) return false;
46 return true;
47 }
GrRadialGradientLayout(const GrRadialGradientLayout & src)48 GrRadialGradientLayout::GrRadialGradientLayout(const GrRadialGradientLayout& src)
49 : INHERITED(kGrRadialGradientLayout_ClassID, src.optimizationFlags())
50 , fCoordTransform0(src.fCoordTransform0)
51 , gradientMatrix(src.gradientMatrix) {
52 this->addCoordTransform(&fCoordTransform0);
53 }
clone() const54 std::unique_ptr<GrFragmentProcessor> GrRadialGradientLayout::clone() const {
55 return std::unique_ptr<GrFragmentProcessor>(new GrRadialGradientLayout(*this));
56 }
57 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrRadialGradientLayout);
58 #if GR_TEST_UTILS
TestCreate(GrProcessorTestData * d)59 std::unique_ptr<GrFragmentProcessor> GrRadialGradientLayout::TestCreate(GrProcessorTestData* d) {
60 SkScalar scale = GrGradientShader::RandomParams::kGradientScale;
61 std::unique_ptr<GrFragmentProcessor> fp;
62 GrTest::TestAsFPArgs asFPArgs(d);
63 do {
64 GrGradientShader::RandomParams params(d->fRandom);
65 SkPoint center = {d->fRandom->nextRangeScalar(0.0f, scale),
66 d->fRandom->nextRangeScalar(0.0f, scale)};
67 SkScalar radius = d->fRandom->nextRangeScalar(0.0f, scale);
68 sk_sp<SkShader> shader =
69 params.fUseColors4f
70 ? SkGradientShader::MakeRadial(center, radius, params.fColors4f,
71 params.fColorSpace, params.fStops,
72 params.fColorCount, params.fTileMode)
73 : SkGradientShader::MakeRadial(center, radius, params.fColors,
74 params.fStops, params.fColorCount,
75 params.fTileMode);
76 // Degenerate params can create an Empty (non-null) shader, where fp will be nullptr
77 fp = shader ? as_SB(shader)->asFragmentProcessor(asFPArgs.args()) : nullptr;
78 } while (!fp);
79 return fp;
80 }
81 #endif
82
Make(const SkRadialGradient & grad,const GrFPArgs & args)83 std::unique_ptr<GrFragmentProcessor> GrRadialGradientLayout::Make(const SkRadialGradient& grad,
84 const GrFPArgs& args) {
85 SkMatrix matrix;
86 if (!grad.totalLocalMatrix(args.fPreLocalMatrix, args.fPostLocalMatrix)->invert(&matrix)) {
87 return nullptr;
88 }
89 matrix.postConcat(grad.getGradientMatrix());
90 return std::unique_ptr<GrFragmentProcessor>(new GrRadialGradientLayout(matrix));
91 }
92