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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 GrLinearGradientLayout.fp; do not modify.
**************************************************************************************************/
#include "GrLinearGradientLayout.h"
#include "glsl/GrGLSLFragmentProcessor.h"
#include "glsl/GrGLSLFragmentShaderBuilder.h"
#include "glsl/GrGLSLProgramBuilder.h"
#include "GrTexture.h"
#include "SkSLCPP.h"
#include "SkSLUtil.h"
class GrGLSLLinearGradientLayout : public GrGLSLFragmentProcessor {
public:
GrGLSLLinearGradientLayout() {}
void emitCode(EmitArgs& args) override {
GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
const GrLinearGradientLayout& _outer = args.fFp.cast<GrLinearGradientLayout>();
(void)_outer;
auto gradientMatrix = _outer.gradientMatrix();
(void)gradientMatrix;
SkString sk_TransformedCoords2D_0 = fragBuilder->ensureCoords2D(args.fTransformedCoords[0]);
fragBuilder->codeAppendf(
"half t = half(%s.x) + 1.0000000000000001e-05;\n%s = half4(t, 1.0, 0.0, 0.0);\n",
sk_TransformedCoords2D_0.c_str(),
args.fOutputColor);
}
private:
void onSetData(const GrGLSLProgramDataManager& pdman,
const GrFragmentProcessor& _proc) override {}
};
GrGLSLFragmentProcessor* GrLinearGradientLayout::onCreateGLSLInstance() const {
return new GrGLSLLinearGradientLayout();
}
void GrLinearGradientLayout::onGetGLSLProcessorKey(const GrShaderCaps& caps,
GrProcessorKeyBuilder* b) const {}
bool GrLinearGradientLayout::onIsEqual(const GrFragmentProcessor& other) const {
const GrLinearGradientLayout& that = other.cast<GrLinearGradientLayout>();
(void)that;
if (fGradientMatrix != that.fGradientMatrix) return false;
return true;
}
GrLinearGradientLayout::GrLinearGradientLayout(const GrLinearGradientLayout& src)
: INHERITED(kGrLinearGradientLayout_ClassID, src.optimizationFlags())
, fGradientMatrix(src.fGradientMatrix)
, fCoordTransform0(src.fCoordTransform0) {
this->addCoordTransform(&fCoordTransform0);
}
std::unique_ptr<GrFragmentProcessor> GrLinearGradientLayout::clone() const {
return std::unique_ptr<GrFragmentProcessor>(new GrLinearGradientLayout(*this));
}
GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrLinearGradientLayout);
#if GR_TEST_UTILS
std::unique_ptr<GrFragmentProcessor> GrLinearGradientLayout::TestCreate(GrProcessorTestData* d) {
SkScalar scale = GrGradientShader::RandomParams::kGradientScale;
SkPoint points[] = {
{d->fRandom->nextRangeScalar(0.0f, scale), d->fRandom->nextRangeScalar(0.0f, scale)},
{d->fRandom->nextRangeScalar(0.0f, scale), d->fRandom->nextRangeScalar(0.0f, scale)}};
GrGradientShader::RandomParams params(d->fRandom);
auto shader = params.fUseColors4f
? SkGradientShader::MakeLinear(points, params.fColors4f,
params.fColorSpace, params.fStops,
params.fColorCount, params.fTileMode)
: SkGradientShader::MakeLinear(points, params.fColors, params.fStops,
params.fColorCount, params.fTileMode);
GrTest::TestAsFPArgs asFPArgs(d);
std::unique_ptr<GrFragmentProcessor> fp = as_SB(shader)->asFragmentProcessor(asFPArgs.args());
GrAlwaysAssert(fp);
return fp;
}
#endif
std::unique_ptr<GrFragmentProcessor> GrLinearGradientLayout::Make(const SkLinearGradient& grad,
const GrFPArgs& args) {
SkMatrix matrix;
if (!grad.totalLocalMatrix(args.fPreLocalMatrix, args.fPostLocalMatrix)->invert(&matrix)) {
return nullptr;
}
matrix.postConcat(grad.getGradientMatrix());
return std::unique_ptr<GrFragmentProcessor>(new GrLinearGradientLayout(matrix));
}
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