mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-11-10 17:29:10 +00:00
73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 of the
|
|
// License, or (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#include "std3d.h"
|
|
#include "nel/3d/particle_system_process.h"
|
|
#include "nel/3d/ps_allocator.h"
|
|
|
|
namespace NL3D
|
|
{
|
|
#ifdef PS_FAST_ALLOC
|
|
uint NumPSAlloc = 0;
|
|
uint NumDealloc = 0;
|
|
NLMISC::CContiguousBlockAllocator *PSBlockAllocator= NULL;
|
|
static std::allocator<uint8> PSStdAllocator;
|
|
//
|
|
typedef NLMISC::CContiguousBlockAllocator *TBlocAllocPtr;
|
|
//
|
|
struct CPSAllocInfo
|
|
{
|
|
size_t NumAllocatedBytes;
|
|
TBlocAllocPtr BlocAllocator; // may be NULL if was allocated from stl allocator
|
|
};
|
|
//
|
|
void *PSFastMemAlloc(uint numBytes)
|
|
{
|
|
NL_PS_FUNC(PSFastMemAlloc)
|
|
CPSAllocInfo *result;
|
|
// if a block allocator is available, use it
|
|
if (PSBlockAllocator)
|
|
{
|
|
result = (CPSAllocInfo *) PSBlockAllocator->alloc(numBytes + sizeof(CPSAllocInfo));
|
|
result->BlocAllocator = PSBlockAllocator; // mark as a block from block allocator
|
|
}
|
|
else
|
|
{
|
|
result = (CPSAllocInfo *) PSStdAllocator.allocate(numBytes + sizeof(CPSAllocInfo));
|
|
result->BlocAllocator = NULL;
|
|
}
|
|
result->NumAllocatedBytes = numBytes;
|
|
return (void *) (result + 1); // usable space starts after header
|
|
}
|
|
|
|
void PSFastMemFree(void *block)
|
|
{
|
|
NL_PS_FUNC(PSFastMemFree)
|
|
uint8 *realAddress = (uint8 *) ((uint8 *) block - sizeof(CPSAllocInfo));
|
|
CPSAllocInfo *ai = (CPSAllocInfo *) realAddress;
|
|
if (ai->BlocAllocator)
|
|
{
|
|
// block comes from a block allocator
|
|
ai->BlocAllocator->free((void *) realAddress, ai->NumAllocatedBytes + sizeof(CPSAllocInfo));
|
|
}
|
|
else
|
|
{
|
|
// block comes from the stl allocator
|
|
PSStdAllocator.deallocate((uint8 *) realAddress, ai->NumAllocatedBytes + sizeof(CPSAllocInfo));
|
|
}
|
|
}
|
|
#endif
|
|
}
|