/*
* 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));
}