forked from bartvdbraak/blender
87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
/*
|
|
* Copyright 2011-2015 Blender Foundation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef __UTIL_GUARDED_ALLOCATOR_H__
|
|
#define __UTIL_GUARDED_ALLOCATOR_H__
|
|
|
|
/* Define this in order to use Blender's guarded allocator to keep
|
|
* track of allocated buffers, their sizes and peak memory usage.
|
|
*
|
|
* This is usually a bad level call, but it's really handy to keep
|
|
* track of overall peak memory consumption during the scene
|
|
* synchronization step.
|
|
*/
|
|
#undef WITH_BLENDER_GUARDEDALLOC
|
|
|
|
#include <memory>
|
|
|
|
#include "util_types.h"
|
|
|
|
#ifdef WITH_BLENDER_GUARDEDALLOC
|
|
# include "../../guardedalloc/MEM_guardedalloc.h"
|
|
#endif
|
|
|
|
CCL_NAMESPACE_BEGIN
|
|
|
|
/* Internal use only. */
|
|
void util_guarded_mem_alloc(size_t n);
|
|
void util_guarded_mem_free(size_t n);
|
|
|
|
/* Guarded allocator for the use with STL. */
|
|
template <typename T>
|
|
class GuardedAllocator : public std::allocator<T> {
|
|
public:
|
|
template<typename _Tp1>
|
|
struct rebind {
|
|
typedef GuardedAllocator<_Tp1> other;
|
|
};
|
|
|
|
T *allocate(size_t n, const void *hint = 0)
|
|
{
|
|
util_guarded_mem_alloc(n * sizeof(T));
|
|
#ifdef WITH_BLENDER_GUARDEDALLOC
|
|
(void)hint;
|
|
return (T*)MEM_mallocN_aligned(n * sizeof(T), 16, "Cycles Alloc");
|
|
#else
|
|
return std::allocator<T>::allocate(n, hint);
|
|
#endif
|
|
}
|
|
|
|
void deallocate(T *p, size_t n)
|
|
{
|
|
util_guarded_mem_free(n * sizeof(T));
|
|
#ifdef WITH_BLENDER_GUARDEDALLOC
|
|
MEM_freeN((void*)p);
|
|
#else
|
|
std::allocator<T>::deallocate(p, n);
|
|
#endif
|
|
}
|
|
|
|
GuardedAllocator() : std::allocator<T>() { }
|
|
GuardedAllocator(const GuardedAllocator &a) : std::allocator<T>(a) { }
|
|
template <class U>
|
|
GuardedAllocator(const GuardedAllocator<U> &a) : std::allocator<T>(a) { }
|
|
~GuardedAllocator() { }
|
|
};
|
|
|
|
/* Get memory usage and peak from the guarded STL allocator. */
|
|
size_t util_guarded_get_mem_used(void);
|
|
size_t util_guarded_get_mem_peak(void);
|
|
|
|
CCL_NAMESPACE_END
|
|
|
|
#endif /* __UTIL_GUARDED_ALLOCATOR_H__ */
|