moz-skia/include/gpu/GrInstanceCounter.h

41 строка
904 B
C++

/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrInstanceCounter_DEFINED
#define GrInstanceCounter_DEFINED
#include "GrTypes.h"
template <typename T> class GrInstanceCounter {
public:
GrInstanceCounter() {
++gCounter;
GrPrintf("+ %s %d\n", T::InstanceCounterClassName(), gCounter);
}
~GrInstanceCounter() {
--gCounter;
GrPrintf("- %s %d\n", T::InstanceCounterClassName(), gCounter);
}
private:
static int gCounter;
};
template <typename T> int GrInstanceCounter<T>::gCounter;
#define DECLARE_INSTANCE_COUNTER(T) \
static const char* InstanceCounterClassName() { return #T; } \
friend class GrInstanceCounter<T>; \
GrInstanceCounter<T> fInstanceCounter
#endif