109 lines
4.1 KiB
C
109 lines
4.1 KiB
C
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/****************************************************************************
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __ANDROIDMEMORY_H__
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#define __ANDROIDMEMORY_H__
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#include "core/config.h"
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#include "core/debug.h"
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#include "threading/interlocked.h"
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#include "memory/android/androidmemoryconfig.h"
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namespace Memory
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{
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extern int volatile TotalAllocCount;
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extern int volatile TotalAllocSize;
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extern int volatile HeapTypeAllocCount[NumHeapTypes];
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extern int volatile HeapTypeAllocSize[NumHeapTypes];
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extern bool volatile MemoryLoggingEnabled;
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extern unsigned int volatile MemoryLoggingThreshold;
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extern HeapType volatile MemoryLoogingHeapType;
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//------------------------------------------------------------------------------
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/**
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Global memory functions.
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*/
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/// allocate a chunk of memory
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extern void* Alloc(HeapType heapType, size_t size, size_t alignment=16);
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/// re-allocate a chunk of memory
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extern void* Realloc(HeapType heapType, void* ptr, size_t size);
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/// free a chunk of memory
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extern void Free(HeapType heapType, void* ptr);
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/// duplicate a C-string (obsolete)
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extern char* DuplicateCString(const char* from);
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/// check if 2 memory regions are overlapping
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extern bool IsOverlapping(const unsigned char* srcPtr, size_t srcSize, const unsigned char* dstPtr, size_t dstSize);
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/// copy a chunk of memory
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extern void Copy(const void* from, void* to, size_t numBytes);
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/// overwrite a chunk of memory with zero
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extern void Clear(void* ptr, size_t numBytes);
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/// fill memory with a specific byte
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extern void Fill(void* ptr, size_t numBytes, unsigned char value);
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///Copy data from a system memory buffer to graphics resource memory. Some platforms may need special handling of this case
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extern void CopyToGraphicsMemory(const void* from, void* to, size_t numBytes);
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//------------------------------------------------------------------------------
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/**
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Get the system's total current memory, this does not only include
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Nebula3's memory allocations but the memory usage of the entire system.
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*/
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struct TotalMemoryStatus
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{
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unsigned int totalPhysical;
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unsigned int availPhysical;
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unsigned int totalVirtual;
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unsigned int availVirtual;
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};
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extern TotalMemoryStatus GetTotalMemoryStatus();
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//------------------------------------------------------------------------------
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/**
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Debug and memory validation functions.
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*/
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#if NEBULA3_MEMORY_STATS
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/// enable memory logging
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void EnableMemoryLogging(unsigned int threshold, HeapType = InvalidHeapType);
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/// disable memory logging
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void DisableMemoryLogging();
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/// toggle memory logging
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void ToggleMemoryLogging(unsigned int threshold, HeapType = InvalidHeapType);
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#endif
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#if NEBULA3_MEMORY_ADVANCED_DEBUGGING
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#define __MEMORY_CHECKPOINT(s) Memory::Checkpoint(##s)
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#else
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#define __MEMORY_CHECKPOINT(s)
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#endif
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// FIXME: Memory-Validation disabled for now
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#define __MEMORY_VALIDATE(s)
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};
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#define n_new(type) new type
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#define n_new_array(type,size) new type[size]
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#define n_delete(ptr) delete ptr
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#define n_delete_array(ptr) delete[] ptr
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#endif
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