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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 GrUnpremulInputFragmentProcessor.fp; do not modify.
**************************************************************************************************/
#include "GrUnpremulInputFragmentProcessor.h"
#include "glsl/GrGLSLFragmentProcessor.h"
#include "glsl/GrGLSLFragmentShaderBuilder.h"
#include "glsl/GrGLSLProgramBuilder.h"
#include "GrTexture.h"
#include "SkSLCPP.h"
#include "SkSLUtil.h"
class GrGLSLUnpremulInputFragmentProcessor : public GrGLSLFragmentProcessor {
public:
GrGLSLUnpremulInputFragmentProcessor() {}
void emitCode(EmitArgs& args) override {
GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
const GrUnpremulInputFragmentProcessor& _outer =
args.fFp.cast<GrUnpremulInputFragmentProcessor>();
(void)_outer;
fragBuilder->codeAppendf(
"%s = %s;\nhalf invAlpha = %s.w <= 0.0 ? 0.0 : 1.0 / %s.w;\n%s.xyz *= invAlpha;\n",
args.fOutputColor, args.fInputColor ? args.fInputColor : "half4(1)",
args.fInputColor ? args.fInputColor : "half4(1)",
args.fInputColor ? args.fInputColor : "half4(1)", args.fOutputColor);
}
private:
void onSetData(const GrGLSLProgramDataManager& pdman,
const GrFragmentProcessor& _proc) override {}
};
GrGLSLFragmentProcessor* GrUnpremulInputFragmentProcessor::onCreateGLSLInstance() const {
return new GrGLSLUnpremulInputFragmentProcessor();
}
void GrUnpremulInputFragmentProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps,
GrProcessorKeyBuilder* b) const {}
bool GrUnpremulInputFragmentProcessor::onIsEqual(const GrFragmentProcessor& other) const {
const GrUnpremulInputFragmentProcessor& that = other.cast<GrUnpremulInputFragmentProcessor>();
(void)that;
return true;
}
GrUnpremulInputFragmentProcessor::GrUnpremulInputFragmentProcessor(
const GrUnpremulInputFragmentProcessor& src)
: INHERITED(kGrUnpremulInputFragmentProcessor_ClassID, src.optimizationFlags()) {}
std::unique_ptr<GrFragmentProcessor> GrUnpremulInputFragmentProcessor::clone() const {
return std::unique_ptr<GrFragmentProcessor>(new GrUnpremulInputFragmentProcessor(*this));
}
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