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Work on making paging optional.

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This commit is contained in:
David Williams
2011-03-19 19:01:04 +00:00
parent 3cc2e4383f
commit 60dbfd9335
7 changed files with 157 additions and 88 deletions
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16
library/PolyVoxCore/include/PolyVoxImpl/Block.inl
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@ -36,7 +36,7 @@ namespace PolyVox
Block<VoxelType>::Block(uint16_t uSideLength)
:m_uSideLength(0)
,m_uSideLengthPower(0)
,m_tUncompressedData(NULL)
,m_tUncompressedData(0)
,m_bIsCompressed(true)
,m_bIsUncompressedDataModified(true)
{
@ -103,14 +103,17 @@ namespace PolyVox
template <typename VoxelType>
void Block<VoxelType>::fill(VoxelType tValue)
{
if(!m_bIsCompressed) {
if(!m_bIsCompressed)
{
//The memset *may* be faster than the std::fill(), but it doesn't compile nicely
//in 64-bit mode as casting the pointer to an int causes a loss of precision.
const uint32_t uNoOfVoxels = m_uSideLength * m_uSideLength * m_uSideLength;
std::fill(m_tUncompressedData, m_tUncompressedData + uNoOfVoxels, tValue);
m_bIsUncompressedDataModified = true;
} else {
}
else
{
RunlengthEntry<uint16_t> rle;
rle.length = m_uSideLength*m_uSideLength*m_uSideLength;
rle.value = tValue;
@ -186,17 +189,18 @@ namespace PolyVox
std::vector< RunlengthEntry<uint16_t> >(m_vecCompressedData).swap(m_vecCompressedData);
}
//Flag the uncompressed data as no longer being used but don't delete it (we don't own it).
//Flag the uncompressed data as no longer being used.
delete[] m_tUncompressedData;
m_tUncompressedData = 0;
m_bIsCompressed = true;
}
template <typename VoxelType>
void Block<VoxelType>::uncompress(VoxelType* pData)
void Block<VoxelType>::uncompress(void)
{
assert(m_bIsCompressed == true);
assert(m_tUncompressedData == 0);
m_tUncompressedData = pData;
m_tUncompressedData = new VoxelType[m_uSideLength * m_uSideLength * m_uSideLength];
VoxelType* pUncompressedData = m_tUncompressedData;
for(uint32_t ct = 0; ct < m_vecCompressedData.size(); ++ct)