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 #include "glsl/GrGLSLFragmentProcessor.h" 13 #include "glsl/GrGLSLFragmentShaderBuilder.h" 14 #include "glsl/GrGLSLProgramBuilder.h" 15 #include "GrTexture.h" 16 #include "SkSLCPP.h" 17 #include "SkSLUtil.h" 18 class GrGLSLTextureGradientColorizer : public GrGLSLFragmentProcessor { 19 public: 20 GrGLSLTextureGradientColorizer() {} 21 void emitCode(EmitArgs& args) override { 22 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; 23 const GrTextureGradientColorizer& _outer = args.fFp.cast<GrTextureGradientColorizer>(); 24 (void)_outer; 25 fragBuilder->codeAppendf( 26 "half2 coord = half2(%s.x, 0.5);\n%s = texture(%s, float2(coord)).%s;\n", 27 args.fInputColor, args.fOutputColor, 28 fragBuilder->getProgramBuilder()->samplerVariable(args.fTexSamplers[0]).c_str(), 29 fragBuilder->getProgramBuilder()->samplerSwizzle(args.fTexSamplers[0]).c_str()); 30 } 31 32 private: 33 void onSetData(const GrGLSLProgramDataManager& pdman, 34 const GrFragmentProcessor& _proc) override {} 35 }; 36 GrGLSLFragmentProcessor* GrTextureGradientColorizer::onCreateGLSLInstance() const { 37 return new GrGLSLTextureGradientColorizer(); 38 } 39 void GrTextureGradientColorizer::onGetGLSLProcessorKey(const GrShaderCaps& caps, 40 GrProcessorKeyBuilder* b) const {} 41 bool GrTextureGradientColorizer::onIsEqual(const GrFragmentProcessor& other) const { 42 const GrTextureGradientColorizer& that = other.cast<GrTextureGradientColorizer>(); 43 (void)that; 44 if (fGradient != that.fGradient) return false; 45 return true; 46 } 47 GrTextureGradientColorizer::GrTextureGradientColorizer(const GrTextureGradientColorizer& src) 48 : INHERITED(kGrTextureGradientColorizer_ClassID, src.optimizationFlags()) 49 , fGradient(src.fGradient) { 50 this->setTextureSamplerCnt(1); 51 } 52 std::unique_ptr<GrFragmentProcessor> GrTextureGradientColorizer::clone() const { 53 return std::unique_ptr<GrFragmentProcessor>(new GrTextureGradientColorizer(*this)); 54 } 55 const GrFragmentProcessor::TextureSampler& GrTextureGradientColorizer::onTextureSampler( 56 int index) const { 57 return IthTextureSampler(index, fGradient); 58 } 59
