TorqueGameEngines/Torque3D
1
0
Fork 0
mirror of https://github.com/TorqueGameEngines/Torque3D.git synced 2026-04-24 05:45:40 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Reduce the amount of blocks of memory DataChunker uses

Browse source
This commit is contained in:
James Urquhart 2016-09-30 18:35:14 +01:00
parent 57dfeb829a
commit c2cc7142de
2 changed files with 59 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

56
Engine/source/core/dataChunker.h
View file

@ -46,8 +46,21 @@
class DataChunker
{
public:
/// Block of allocated memory.
///
/// <b>This has nothing to do with datablocks as used in the rest of Torque.</b>
struct DataBlock
{
DataBlock* next; ///< linked list pointer to the next DataBlock for this chunker
S32 curIndex; ///< current allocation point within this DataBlock
DataBlock();
~DataBlock();
inline U8 *getData();
};
enum {
ChunkSize = 16376 ///< Default size of each DataBlock page in the DataChunker
PaddDBSize = (sizeof(DataBlock) + 3) & ~3, ///< Padded size of DataBlock
ChunkSize = 16384 - PaddDBSize ///< Default size of each DataBlock page in the DataChunker
};
/// Return a pointer to a chunk of memory from a pre-allocated block.
@ -81,27 +94,40 @@ public:
mCurBlock = temp;
}
private:
/// Block of allocated memory.
///
/// <b>This has nothing to do with datablocks as used in the rest of Torque.</b>
struct DataBlock
public:
U32 countUsedBlocks()
{
DataBlock* prev;
DataBlock* next; ///< linked list pointer to the next DataBlock for this chunker
U8 *data; ///< allocated pointer for the base of this page
S32 curIndex; ///< current allocation point within this DataBlock
DataBlock(S32 size);
~DataBlock();
};
U32 count = 0;
if (!mCurBlock)
return 0;
for (DataBlock *ptr = mCurBlock; ptr != NULL; ptr = ptr->next)
{
count++;
}
return count;
}
void setChunkSize(U32 size)
{
AssertFatal(mCurBlock == NULL, "Cant resize now");
mChunkSize = size;
}
DataBlock* mFirstBlock;
DataBlock *mCurBlock; ///< current page we're allocating data from. If the
public:
DataBlock* mCurBlock; ///< current page we're allocating data from. If the
///< data size request is greater than the memory space currently
///< available in the current page, a new page will be allocated.
S32 mChunkSize; ///< The size allocated for each page in the DataChunker
};
inline U8 *DataChunker::DataBlock::getData()
{
return (U8*)this + DataChunker::PaddDBSize;
}
//----------------------------------------------------------------------------
template<class T>