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/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 GrGLSLLinearGradientLayout : public GrGLSLFragmentProcessor {
20 public:
GrGLSLLinearGradientLayout()21 GrGLSLLinearGradientLayout() {}
emitCode(EmitArgs & args)22 void emitCode(EmitArgs& args) override {
23 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
24 const GrLinearGradientLayout& _outer = args.fFp.cast<GrLinearGradientLayout>();
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(
31 "half t = half(%s.x) + 9.9999997473787516e-06;\n%s = half4(t, 1.0, 0.0, 0.0);\n",
32 sk_TransformedCoords2D_0.c_str(), args.fOutputColor);
33 }
34
35 private:
onSetData(const GrGLSLProgramDataManager & pdman,const GrFragmentProcessor & _proc)36 void onSetData(const GrGLSLProgramDataManager& pdman,
37 const GrFragmentProcessor& _proc) override {}
38 };
onCreateGLSLInstance() const39 GrGLSLFragmentProcessor* GrLinearGradientLayout::onCreateGLSLInstance() const {
40 return new GrGLSLLinearGradientLayout();
41 }
onGetGLSLProcessorKey(const GrShaderCaps & caps,GrProcessorKeyBuilder * b) const42 void GrLinearGradientLayout::onGetGLSLProcessorKey(const GrShaderCaps& caps,
43 GrProcessorKeyBuilder* b) const {}
onIsEqual(const GrFragmentProcessor & other) const44 bool GrLinearGradientLayout::onIsEqual(const GrFragmentProcessor& other) const {
45 const GrLinearGradientLayout& that = other.cast<GrLinearGradientLayout>();
46 (void)that;
47 if (gradientMatrix != that.gradientMatrix) return false;
48 return true;
49 }
GrLinearGradientLayout(const GrLinearGradientLayout & src)50 GrLinearGradientLayout::GrLinearGradientLayout(const GrLinearGradientLayout& src)
51 : INHERITED(kGrLinearGradientLayout_ClassID, src.optimizationFlags())
52 , fCoordTransform0(src.fCoordTransform0)
53 , gradientMatrix(src.gradientMatrix) {
54 this->addCoordTransform(&fCoordTransform0);
55 }
clone() const56 std::unique_ptr<GrFragmentProcessor> GrLinearGradientLayout::clone() const {
57 return std::unique_ptr<GrFragmentProcessor>(new GrLinearGradientLayout(*this));
58 }
59 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrLinearGradientLayout);
60 #if GR_TEST_UTILS
TestCreate(GrProcessorTestData * d)61 std::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
Make(const SkLinearGradient & grad,const GrFPArgs & args)81 std::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 std::unique_ptr<GrFragmentProcessor>(new GrLinearGradientLayout(matrix));
89 }
90