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Making use of shared_ptr to track blocks.

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This commit is contained in:
David Williams
2014-09-14 11:47:17 +02:00
parent 3cf8f38793
commit 47ace554cc
6 changed files with 22 additions and 19 deletions
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4
library/PolyVoxCore/include/PolyVoxCore/FilePager.h
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@@ -69,7 +69,7 @@ namespace PolyVox
m_vecCreatedFiles.clear();
}
virtual void pageIn(const Region& region, UncompressedBlock<VoxelType>* pBlockData)
virtual void pageIn(const Region& region, std::shared_ptr< UncompressedBlock<VoxelType> > pBlockData)
{
POLYVOX_ASSERT(pBlockData, "Attempting to page in NULL block");
//POLYVOX_ASSERT(pBlockData->hasUncompressedData() == false, "Block should not have uncompressed data");
@@ -113,7 +113,7 @@ namespace PolyVox
}
}
virtual void pageOut(const Region& region, UncompressedBlock<VoxelType>* pBlockData)
virtual void pageOut(const Region& region, std::shared_ptr< UncompressedBlock<VoxelType> > pBlockData)
{
POLYVOX_ASSERT(pBlockData, "Attempting to page out NULL block");
//POLYVOX_ASSERT(pBlockData->hasUncompressedData() == false, "Block should not have uncompressed data");

6
library/PolyVoxCore/include/PolyVoxCore/LargeVolume.h
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@@ -300,7 +300,7 @@ namespace PolyVox
}
};
typedef std::map<Vector3DInt32, UncompressedBlock<VoxelType>*, BlockPositionCompare> UncompressedBlockMap;
typedef std::map<Vector3DInt32, std::shared_ptr< UncompressedBlock<VoxelType> >, BlockPositionCompare> UncompressedBlockMap;
void ensureUncompressedBlockMapHasFreeSpace(void) const;
@@ -314,7 +314,7 @@ namespace PolyVox
VoxelType getVoxelImpl(int32_t uXPos, int32_t uYPos, int32_t uZPos, WrapModeType<WrapModes::Border>, VoxelType tBorder) const;
VoxelType getVoxelImpl(int32_t uXPos, int32_t uYPos, int32_t uZPos, WrapModeType<WrapModes::AssumeValid>, VoxelType tBorder) const;
UncompressedBlock<VoxelType>* getUncompressedBlock(int32_t uBlockX, int32_t uBlockY, int32_t uBlockZ) const;
std::shared_ptr< UncompressedBlock<VoxelType> > getUncompressedBlock(int32_t uBlockX, int32_t uBlockY, int32_t uBlockZ) const;
void eraseBlock(typename UncompressedBlockMap::iterator itUncompressedBlock) const;
@@ -323,7 +323,7 @@ namespace PolyVox
mutable uint32_t m_uTimestamper;
mutable Vector3DInt32 m_v3dLastAccessedBlockPos;
mutable UncompressedBlock<VoxelType>* m_pLastAccessedBlock;
mutable std::shared_ptr< UncompressedBlock<VoxelType> > m_pLastAccessedBlock;
uint32_t m_uMaxNumberOfUncompressedBlocks;
// The size of the volume

19
library/PolyVoxCore/include/PolyVoxCore/LargeVolume.inl
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@@ -186,7 +186,7 @@ namespace PolyVox
const uint16_t yOffset = static_cast<uint16_t>(uYPos - (blockY << m_uBlockSideLengthPower));
const uint16_t zOffset = static_cast<uint16_t>(uZPos - (blockZ << m_uBlockSideLengthPower));
const UncompressedBlock<VoxelType>* pUncompressedBlock = getUncompressedBlock(blockX, blockY, blockZ);
auto pUncompressedBlock = getUncompressedBlock(blockX, blockY, blockZ);
return pUncompressedBlock->getVoxel(xOffset, yOffset, zOffset);
}
@@ -262,7 +262,7 @@ namespace PolyVox
const uint16_t yOffset = static_cast<uint16_t>(uYPos - (blockY << m_uBlockSideLengthPower));
const uint16_t zOffset = static_cast<uint16_t>(uZPos - (blockZ << m_uBlockSideLengthPower));
UncompressedBlock<VoxelType>* pUncompressedBlock = getUncompressedBlock(blockX, blockY, blockZ);
auto pUncompressedBlock = getUncompressedBlock(blockX, blockY, blockZ);
pUncompressedBlock->setVoxelAt(xOffset, yOffset, zOffset, tValue);
}
@@ -299,7 +299,7 @@ namespace PolyVox
const uint16_t yOffset = static_cast<uint16_t>(uYPos - (blockY << m_uBlockSideLengthPower));
const uint16_t zOffset = static_cast<uint16_t>(uZPos - (blockZ << m_uBlockSideLengthPower));
UncompressedBlock<VoxelType>* pUncompressedBlock = getUncompressedBlock(blockX, blockY, blockZ);
auto pUncompressedBlock = getUncompressedBlock(blockX, blockY, blockZ);
pUncompressedBlock->setVoxelAt(xOffset, yOffset, zOffset, tValue);
@@ -486,7 +486,7 @@ namespace PolyVox
template <typename VoxelType>
void LargeVolume<VoxelType>::eraseBlock(typename UncompressedBlockMap::iterator itUncompressedBlock) const
{
UncompressedBlock<VoxelType>* pUncompressedBlock = itUncompressedBlock->second;
std::shared_ptr< UncompressedBlock<VoxelType> > pUncompressedBlock = itUncompressedBlock->second;
// This should never happen as blocks are deleted based on being least recently used.
// I the case that we are flushing we delete all blocks, but the flush function will
@@ -511,14 +511,14 @@ namespace PolyVox
pUncompressedBlock->m_bDataModified = false;
}
delete itUncompressedBlock->second;
//delete itUncompressedBlock->second;
// We can now remove the block data from memory.
m_pBlocks.erase(itUncompressedBlock);
}
template <typename VoxelType>
UncompressedBlock<VoxelType>* LargeVolume<VoxelType>::getUncompressedBlock(int32_t uBlockX, int32_t uBlockY, int32_t uBlockZ) const
std::shared_ptr< UncompressedBlock<VoxelType> > LargeVolume<VoxelType>::getUncompressedBlock(int32_t uBlockX, int32_t uBlockY, int32_t uBlockZ) const
{
Vector3DInt32 v3dBlockPos(uBlockX, uBlockY, uBlockZ);
@@ -531,7 +531,7 @@ namespace PolyVox
return m_pLastAccessedBlock;
}
UncompressedBlock<VoxelType>* pUncompressedBlock = 0;
std::shared_ptr< UncompressedBlock<VoxelType> > pUncompressedBlock = nullptr;
typename UncompressedBlockMap::iterator itUncompressedBlock = m_pBlocks.find(v3dBlockPos);
// check whether the block is already loaded
@@ -546,7 +546,8 @@ namespace PolyVox
ensureUncompressedBlockMapHasFreeSpace();
// We can now create a new block.
pUncompressedBlock = new UncompressedBlock<VoxelType>(m_uBlockSideLength);
//pUncompressedBlock = new UncompressedBlock<VoxelType>(m_uBlockSideLength);
pUncompressedBlock = std::make_shared< UncompressedBlock<VoxelType> >(m_uBlockSideLength);
// An uncompressed bock is always backed by a compressed one, and this is created by getCompressedBlock() if it doesn't
// already exist. If it does already exist and has data then we bring this across into the ucompressed version.
@@ -677,7 +678,7 @@ namespace PolyVox
const uint16_t yOffset = static_cast<uint16_t>(uYPos - (blockY << m_uBlockSideLengthPower));
const uint16_t zOffset = static_cast<uint16_t>(uZPos - (blockZ << m_uBlockSideLengthPower));
UncompressedBlock<VoxelType>* pUncompressedBlock = getUncompressedBlock(blockX, blockY, blockZ);
auto pUncompressedBlock = getUncompressedBlock(blockX, blockY, blockZ);
return pUncompressedBlock->getVoxel(xOffset, yOffset, zOffset);
}
}

2
library/PolyVoxCore/include/PolyVoxCore/LargeVolumeSampler.inl
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@@ -119,7 +119,7 @@ namespace PolyVox
uYPosInBlock * this->mVolume->m_uBlockSideLength +
uZPosInBlock * this->mVolume->m_uBlockSideLength * this->mVolume->m_uBlockSideLength;
UncompressedBlock<VoxelType>* pUncompressedCurrentBlock = this->mVolume->getUncompressedBlock(uXBlock, uYBlock, uZBlock);
auto pUncompressedCurrentBlock = this->mVolume->getUncompressedBlock(uXBlock, uYBlock, uZBlock);
mCurrentVoxel = pUncompressedCurrentBlock->m_tData + uVoxelIndexInBlock;
}

6
library/PolyVoxCore/include/PolyVoxCore/Pager.h
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@@ -27,6 +27,8 @@ freely, subject to the following restrictions:
#include "PolyVoxCore/UncompressedBlock.h"
#include "PolyVoxCore/Impl/TypeDef.h"
#include <memory>
namespace PolyVox
{
/**
@@ -41,8 +43,8 @@ namespace PolyVox
/// Destructor
virtual ~Pager() {};
virtual void pageIn(const Region& region, UncompressedBlock<VoxelType>* pBlockData) = 0;
virtual void pageOut(const Region& region, UncompressedBlock<VoxelType>* pBlockData) = 0;
virtual void pageIn(const Region& region, std::shared_ptr< UncompressedBlock<VoxelType> > pBlockData) = 0;
virtual void pageOut(const Region& region, std::shared_ptr< UncompressedBlock<VoxelType> > pBlockData) = 0;
};
}