| 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 GrTextureGradientColorizer.fp; do not modify. |
| 10 | **************************************************************************************************/ |
| 11 | #include "GrTextureGradientColorizer.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 GrGLSLTextureGradientColorizer : public GrGLSLFragmentProcessor { |
| 20 | public: |
| 21 | GrGLSLTextureGradientColorizer() {} |
| 22 | void emitCode(EmitArgs& args) override { |
| 23 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| 24 | const GrTextureGradientColorizer& _outer = args.fFp.cast<GrTextureGradientColorizer>(); |
| 25 | (void)_outer; |
| 26 | fragBuilder->codeAppendf( |
| 27 | "half2 coord = half2(%s.x, 0.5);\n%s = sample(%s, float2(coord)).%s;\n" , |
| 28 | args.fInputColor, args.fOutputColor, |
| 29 | fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]), |
| 30 | fragBuilder->getProgramBuilder() |
| 31 | ->samplerSwizzle(args.fTexSamplers[0]) |
| 32 | .asString() |
| 33 | .c_str()); |
| 34 | } |
| 35 | |
| 36 | private: |
| 37 | void onSetData(const GrGLSLProgramDataManager& pdman, |
| 38 | const GrFragmentProcessor& _proc) override {} |
| 39 | }; |
| 40 | GrGLSLFragmentProcessor* GrTextureGradientColorizer::onCreateGLSLInstance() const { |
| 41 | return new GrGLSLTextureGradientColorizer(); |
| 42 | } |
| 43 | void GrTextureGradientColorizer::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| 44 | GrProcessorKeyBuilder* b) const {} |
| 45 | bool GrTextureGradientColorizer::onIsEqual(const GrFragmentProcessor& other) const { |
| 46 | const GrTextureGradientColorizer& that = other.cast<GrTextureGradientColorizer>(); |
| 47 | (void)that; |
| 48 | if (gradient != that.gradient) return false; |
| 49 | return true; |
| 50 | } |
| 51 | GrTextureGradientColorizer::GrTextureGradientColorizer(const GrTextureGradientColorizer& src) |
| 52 | : INHERITED(kGrTextureGradientColorizer_ClassID, src.optimizationFlags()) |
| 53 | , gradient(src.gradient) { |
| 54 | this->setTextureSamplerCnt(1); |
| 55 | } |
| 56 | std::unique_ptr<GrFragmentProcessor> GrTextureGradientColorizer::clone() const { |
| 57 | return std::unique_ptr<GrFragmentProcessor>(new GrTextureGradientColorizer(*this)); |
| 58 | } |
| 59 | const GrFragmentProcessor::TextureSampler& GrTextureGradientColorizer::onTextureSampler( |
| 60 | int index) const { |
| 61 | return IthTextureSampler(index, gradient); |
| 62 | } |
| 63 | |