| /* |
| * Copyright 2018 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| /************************************************************************************************** |
| *** This file was autogenerated from GrRadialGradientLayout.fp; do not modify. |
| **************************************************************************************************/ |
| #include "GrRadialGradientLayout.h" |
| |
| #include "src/core/SkUtils.h" |
| #include "src/gpu/GrTexture.h" |
| #include "src/gpu/glsl/GrGLSLFragmentProcessor.h" |
| #include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "src/gpu/glsl/GrGLSLProgramBuilder.h" |
| #include "src/sksl/SkSLCPP.h" |
| #include "src/sksl/SkSLUtil.h" |
| class GrGLSLRadialGradientLayout : public GrGLSLFragmentProcessor { |
| public: |
| GrGLSLRadialGradientLayout() {} |
| void emitCode(EmitArgs& args) override { |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| const GrRadialGradientLayout& _outer = args.fFp.cast<GrRadialGradientLayout>(); |
| (void)_outer; |
| fragBuilder->codeAppendf( |
| R"SkSL(half t = half(length(%s)); |
| %s = half4(t, 1.0, 0.0, 0.0); |
| )SkSL", |
| args.fSampleCoord, args.fOutputColor); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override {} |
| }; |
| GrGLSLFragmentProcessor* GrRadialGradientLayout::onCreateGLSLInstance() const { |
| return new GrGLSLRadialGradientLayout(); |
| } |
| void GrRadialGradientLayout::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| GrProcessorKeyBuilder* b) const {} |
| bool GrRadialGradientLayout::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrRadialGradientLayout& that = other.cast<GrRadialGradientLayout>(); |
| (void)that; |
| return true; |
| } |
| GrRadialGradientLayout::GrRadialGradientLayout(const GrRadialGradientLayout& src) |
| : INHERITED(kGrRadialGradientLayout_ClassID, src.optimizationFlags()) { |
| this->cloneAndRegisterAllChildProcessors(src); |
| this->setUsesSampleCoordsDirectly(); |
| } |
| std::unique_ptr<GrFragmentProcessor> GrRadialGradientLayout::clone() const { |
| return std::make_unique<GrRadialGradientLayout>(*this); |
| } |
| GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrRadialGradientLayout); |
| #if GR_TEST_UTILS |
| std::unique_ptr<GrFragmentProcessor> GrRadialGradientLayout::TestCreate(GrProcessorTestData* d) { |
| SkScalar scale = GrGradientShader::RandomParams::kGradientScale; |
| std::unique_ptr<GrFragmentProcessor> fp; |
| GrTest::TestAsFPArgs asFPArgs(d); |
| do { |
| GrGradientShader::RandomParams params(d->fRandom); |
| SkPoint center = {d->fRandom->nextRangeScalar(0.0f, scale), |
| d->fRandom->nextRangeScalar(0.0f, scale)}; |
| SkScalar radius = d->fRandom->nextRangeScalar(0.0f, scale); |
| sk_sp<SkShader> shader = |
| params.fUseColors4f |
| ? SkGradientShader::MakeRadial(center, radius, params.fColors4f, |
| params.fColorSpace, params.fStops, |
| params.fColorCount, params.fTileMode) |
| : SkGradientShader::MakeRadial(center, radius, params.fColors, |
| params.fStops, params.fColorCount, |
| params.fTileMode); |
| // Degenerate params can create an Empty (non-null) shader, where fp will be nullptr |
| fp = shader ? as_SB(shader)->asFragmentProcessor(asFPArgs.args()) : nullptr; |
| } while (!fp); |
| return fp; |
| } |
| #endif |
| |
| std::unique_ptr<GrFragmentProcessor> GrRadialGradientLayout::Make(const SkRadialGradient& grad, |
| const GrFPArgs& args) { |
| SkMatrix matrix; |
| if (!grad.totalLocalMatrix(args.fPreLocalMatrix)->invert(&matrix)) { |
| return nullptr; |
| } |
| matrix.postConcat(grad.getGradientMatrix()); |
| return GrMatrixEffect::Make(matrix, |
| std::unique_ptr<GrFragmentProcessor>(new GrRadialGradientLayout())); |
| } |