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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrStagedProcessorStage_DEFINED
#define GrStagedProcessorStage_DEFINED
#include "GrFragmentProcessor.h"
#include "SkRefCnt.h"
/**
* Wraps a GrFragmentProcessor, basically a copyable SkAutoTUnref
* Templatized based on the ref type so backends can use the same wrapper
*/
template<template<typename> class T>
class GrStagedProcessor {
public:
explicit GrStagedProcessor(const GrFragmentProcessor* proc) : fProc(SkRef(proc)) {}
GrStagedProcessor(const GrStagedProcessor& other) { fProc.reset(SkRef(other.fProc.get())); }
const GrFragmentProcessor* processor() const { return fProc.get(); }
bool operator==(const GrStagedProcessor& that) const {
return this->processor()->isEqual(*that.processor());
}
bool operator!=(const GrStagedProcessor& that) const { return !(*this == that); }
const char* name() const { return fProc->name(); }
protected:
GrStagedProcessor() {}
T<const GrFragmentProcessor> fProc;
};
typedef GrStagedProcessor<SkAutoTUnref> GrFragmentStage;
#endif
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