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Diffstat (limited to 'engines/tony/mpal/memory.h')
-rw-r--r-- | engines/tony/mpal/memory.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/engines/tony/mpal/memory.h b/engines/tony/mpal/memory.h new file mode 100644 index 0000000000..ba7865938f --- /dev/null +++ b/engines/tony/mpal/memory.h @@ -0,0 +1,76 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * 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 General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * + */ + +#ifndef TONY_MPAL_MEMORY +#define TONY_MPAL_MEMORY + +#include "common/scummsys.h" +#include "common/list.h" + +namespace Tony { + +namespace MPAL { + +typedef void *MpalHandle; + +struct MemoryItem { + uint32 _id; + uint32 _size; + int _lockCount; + byte _data[1]; + + // Casting for access to data + operator void *() { return &_data[0]; } +}; + +class MemoryManager { +private: + static MemoryItem *getItem(MpalHandle handle); +public: + static MpalHandle allocate(uint32 size, uint flags); + static void *alloc(uint32 size, uint flags); + static void freeBlock(MpalHandle handle); + static void destroyItem(MpalHandle handle); + static uint32 getSize(MpalHandle handle); + static byte *lockItem(MpalHandle handle); + static void unlockItem(MpalHandle handle); +}; + +// defines +#define globalAlloc(flags, size) MemoryManager::alloc(size, flags) +#define globalAllocate(flags, size) MemoryManager::allocate(size, flags) +#define globalFree(handle) MemoryManager::freeBlock(handle) +#define globalDestroy(handle) MemoryManager::destroyItem(handle) +#define globalLock(handle) MemoryManager::lockItem(handle) +#define globalUnlock(handle) MemoryManager::unlockItem(handle) +#define globalSize(handle) MemoryManager::getSize(handle) + +#define GMEM_FIXED 1 +#define GMEM_MOVEABLE 2 +#define GMEM_ZEROINIT 4 + +} // end of namespace MPAL + +} // end of namespace Tony + +#endif |