| /* |
| * 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 GrClampedGradientEffect.fp; do not modify. |
| **************************************************************************************************/ |
| #include "GrClampedGradientEffect.h" |
| #include "glsl/GrGLSLFragmentProcessor.h" |
| #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "glsl/GrGLSLProgramBuilder.h" |
| #include "GrTexture.h" |
| #include "SkSLCPP.h" |
| #include "SkSLUtil.h" |
| class GrGLSLClampedGradientEffect : public GrGLSLFragmentProcessor { |
| public: |
| GrGLSLClampedGradientEffect() {} |
| void emitCode(EmitArgs& args) override { |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| const GrClampedGradientEffect& _outer = args.fFp.cast<GrClampedGradientEffect>(); |
| (void)_outer; |
| auto leftBorderColor = _outer.leftBorderColor(); |
| (void)leftBorderColor; |
| auto rightBorderColor = _outer.rightBorderColor(); |
| (void)rightBorderColor; |
| auto makePremul = _outer.makePremul(); |
| (void)makePremul; |
| auto colorsAreOpaque = _outer.colorsAreOpaque(); |
| (void)colorsAreOpaque; |
| fLeftBorderColorVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, |
| kHalf4_GrSLType, "leftBorderColor"); |
| fRightBorderColorVar = args.fUniformHandler->addUniform( |
| kFragment_GrShaderFlag, kHalf4_GrSLType, "rightBorderColor"); |
| SkString _child1("_child1"); |
| this->emitChild(_outer.gradLayout_index(), &_child1, args); |
| fragBuilder->codeAppendf( |
| "half4 t = %s;\nif (!%s && t.y < 0.0) {\n %s = half4(0.0);\n} else if (t.x < " |
| "0.0) {\n %s = %s;\n} else if (t.x > 1.0) {\n %s = %s;\n} else {", |
| _child1.c_str(), |
| (_outer.childProcessor(_outer.gradLayout_index()).preservesOpaqueInput() ? "true" |
| : "false"), |
| args.fOutputColor, args.fOutputColor, |
| args.fUniformHandler->getUniformCStr(fLeftBorderColorVar), args.fOutputColor, |
| args.fUniformHandler->getUniformCStr(fRightBorderColorVar)); |
| SkString _input0("t"); |
| SkString _child0("_child0"); |
| this->emitChild(_outer.colorizer_index(), _input0.c_str(), &_child0, args); |
| fragBuilder->codeAppendf("\n %s = %s;\n}\n@if (%s) {\n %s.xyz *= %s.w;\n}\n", |
| args.fOutputColor, _child0.c_str(), |
| (_outer.makePremul() ? "true" : "false"), args.fOutputColor, |
| args.fOutputColor); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override { |
| const GrClampedGradientEffect& _outer = _proc.cast<GrClampedGradientEffect>(); |
| { |
| const SkPMColor4f& leftBorderColorValue = _outer.leftBorderColor(); |
| if (fLeftBorderColorPrev != leftBorderColorValue) { |
| fLeftBorderColorPrev = leftBorderColorValue; |
| pdman.set4fv(fLeftBorderColorVar, 1, leftBorderColorValue.vec()); |
| } |
| const SkPMColor4f& rightBorderColorValue = _outer.rightBorderColor(); |
| if (fRightBorderColorPrev != rightBorderColorValue) { |
| fRightBorderColorPrev = rightBorderColorValue; |
| pdman.set4fv(fRightBorderColorVar, 1, rightBorderColorValue.vec()); |
| } |
| } |
| } |
| SkPMColor4f fLeftBorderColorPrev = {SK_FloatNaN, SK_FloatNaN, SK_FloatNaN, SK_FloatNaN}; |
| SkPMColor4f fRightBorderColorPrev = {SK_FloatNaN, SK_FloatNaN, SK_FloatNaN, SK_FloatNaN}; |
| UniformHandle fLeftBorderColorVar; |
| UniformHandle fRightBorderColorVar; |
| }; |
| GrGLSLFragmentProcessor* GrClampedGradientEffect::onCreateGLSLInstance() const { |
| return new GrGLSLClampedGradientEffect(); |
| } |
| void GrClampedGradientEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| GrProcessorKeyBuilder* b) const { |
| b->add32((int32_t)fMakePremul); |
| } |
| bool GrClampedGradientEffect::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrClampedGradientEffect& that = other.cast<GrClampedGradientEffect>(); |
| (void)that; |
| if (fLeftBorderColor != that.fLeftBorderColor) return false; |
| if (fRightBorderColor != that.fRightBorderColor) return false; |
| if (fMakePremul != that.fMakePremul) return false; |
| if (fColorsAreOpaque != that.fColorsAreOpaque) return false; |
| return true; |
| } |
| GrClampedGradientEffect::GrClampedGradientEffect(const GrClampedGradientEffect& src) |
| : INHERITED(kGrClampedGradientEffect_ClassID, src.optimizationFlags()) |
| , fColorizer_index(src.fColorizer_index) |
| , fGradLayout_index(src.fGradLayout_index) |
| , fLeftBorderColor(src.fLeftBorderColor) |
| , fRightBorderColor(src.fRightBorderColor) |
| , fMakePremul(src.fMakePremul) |
| , fColorsAreOpaque(src.fColorsAreOpaque) { |
| this->registerChildProcessor(src.childProcessor(fColorizer_index).clone()); |
| this->registerChildProcessor(src.childProcessor(fGradLayout_index).clone()); |
| } |
| std::unique_ptr<GrFragmentProcessor> GrClampedGradientEffect::clone() const { |
| return std::unique_ptr<GrFragmentProcessor>(new GrClampedGradientEffect(*this)); |
| } |