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- /*
- * 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 "include/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 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;
- leftBorderColorVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag,
- kHalf4_GrSLType, "leftBorderColor");
- rightBorderColorVar = 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(leftBorderColorVar), args.fOutputColor,
- args.fUniformHandler->getUniformCStr(rightBorderColorVar));
- 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 (leftBorderColorPrev != leftBorderColorValue) {
- leftBorderColorPrev = leftBorderColorValue;
- pdman.set4fv(leftBorderColorVar, 1, leftBorderColorValue.vec());
- }
- const SkPMColor4f& rightBorderColorValue = _outer.rightBorderColor;
- if (rightBorderColorPrev != rightBorderColorValue) {
- rightBorderColorPrev = rightBorderColorValue;
- pdman.set4fv(rightBorderColorVar, 1, rightBorderColorValue.vec());
- }
- }
- }
- SkPMColor4f leftBorderColorPrev = {SK_FloatNaN, SK_FloatNaN, SK_FloatNaN, SK_FloatNaN};
- SkPMColor4f rightBorderColorPrev = {SK_FloatNaN, SK_FloatNaN, SK_FloatNaN, SK_FloatNaN};
- UniformHandle leftBorderColorVar;
- UniformHandle rightBorderColorVar;
- };
- GrGLSLFragmentProcessor* GrClampedGradientEffect::onCreateGLSLInstance() const {
- return new GrGLSLClampedGradientEffect();
- }
- void GrClampedGradientEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps,
- GrProcessorKeyBuilder* b) const {
- b->add32((int32_t)makePremul);
- }
- bool GrClampedGradientEffect::onIsEqual(const GrFragmentProcessor& other) const {
- const GrClampedGradientEffect& that = other.cast<GrClampedGradientEffect>();
- (void)that;
- if (leftBorderColor != that.leftBorderColor) return false;
- if (rightBorderColor != that.rightBorderColor) return false;
- if (makePremul != that.makePremul) return false;
- if (colorsAreOpaque != that.colorsAreOpaque) return false;
- return true;
- }
- GrClampedGradientEffect::GrClampedGradientEffect(const GrClampedGradientEffect& src)
- : INHERITED(kGrClampedGradientEffect_ClassID, src.optimizationFlags())
- , colorizer_index(src.colorizer_index)
- , gradLayout_index(src.gradLayout_index)
- , leftBorderColor(src.leftBorderColor)
- , rightBorderColor(src.rightBorderColor)
- , makePremul(src.makePremul)
- , colorsAreOpaque(src.colorsAreOpaque) {
- this->registerChildProcessor(src.childProcessor(colorizer_index).clone());
- this->registerChildProcessor(src.childProcessor(gradLayout_index).clone());
- }
- std::unique_ptr<GrFragmentProcessor> GrClampedGradientEffect::clone() const {
- return std::unique_ptr<GrFragmentProcessor>(new GrClampedGradientEffect(*this));
- }
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