Some renaming.
This commit is contained in:
parent
8dd026e095
commit
d2bbd6beba
@ -158,7 +158,7 @@ int main(int argc, char *argv[])
|
|||||||
|
|
||||||
PerlinNoisePager* pager = new PerlinNoisePager();
|
PerlinNoisePager* pager = new PerlinNoisePager();
|
||||||
LargeVolume<MaterialDensityPair44> volData(PolyVox::Region::MaxRegion, pager, 256);
|
LargeVolume<MaterialDensityPair44> volData(PolyVox::Region::MaxRegion, pager, 256);
|
||||||
volData.setTargetMemoryUsage(2 * 1024 * 1024); // 2Mb
|
volData.setMemoryUsageLimit(2 * 1024 * 1024); // 2Mb
|
||||||
|
|
||||||
//createSphereInVolume(volData, 30);
|
//createSphereInVolume(volData, 30);
|
||||||
//createPerlinTerrain(volData);
|
//createPerlinTerrain(volData);
|
||||||
|
@ -256,7 +256,7 @@ namespace PolyVox
|
|||||||
POLYVOX_DEPRECATED VoxelType getVoxelAt(const Vector3DInt32& v3dPos) const;
|
POLYVOX_DEPRECATED VoxelType getVoxelAt(const Vector3DInt32& v3dPos) const;
|
||||||
|
|
||||||
/// Sets the number of blocks for which uncompressed data is stored
|
/// Sets the number of blocks for which uncompressed data is stored
|
||||||
void setTargetMemoryUsage(uint32_t uTargetMemoryUsageInBytes);
|
void setMemoryUsageLimit(uint32_t uMemoryUsageInBytes);
|
||||||
/// Sets the voxel at the position given by <tt>x,y,z</tt> coordinates
|
/// Sets the voxel at the position given by <tt>x,y,z</tt> coordinates
|
||||||
void setVoxel(int32_t uXPos, int32_t uYPos, int32_t uZPos, VoxelType tValue, WrapMode eWrapMode = WrapModes::Validate);
|
void setVoxel(int32_t uXPos, int32_t uYPos, int32_t uZPos, VoxelType tValue, WrapMode eWrapMode = WrapModes::Validate);
|
||||||
/// Sets the voxel at the position given by a 3D vector
|
/// Sets the voxel at the position given by a 3D vector
|
||||||
@ -324,7 +324,7 @@ namespace PolyVox
|
|||||||
mutable uint32_t m_uTimestamper;
|
mutable uint32_t m_uTimestamper;
|
||||||
mutable Vector3DInt32 m_v3dLastAccessedBlockPos;
|
mutable Vector3DInt32 m_v3dLastAccessedBlockPos;
|
||||||
mutable std::shared_ptr< UncompressedBlock<VoxelType> > m_pLastAccessedBlock;
|
mutable std::shared_ptr< UncompressedBlock<VoxelType> > m_pLastAccessedBlock;
|
||||||
uint32_t m_uMaxNumberOfUncompressedBlocks;
|
uint32_t m_uBlockCountLimit;
|
||||||
|
|
||||||
// The size of the volume
|
// The size of the volume
|
||||||
Region m_regValidRegionInBlocks;
|
Region m_regValidRegionInBlocks;
|
||||||
|
@ -52,13 +52,13 @@ namespace PolyVox
|
|||||||
if (m_pPager)
|
if (m_pPager)
|
||||||
{
|
{
|
||||||
// If a pager is available then we can set a sensible limit on our memory usage.
|
// If a pager is available then we can set a sensible limit on our memory usage.
|
||||||
m_uMaxNumberOfUncompressedBlocks = 256;
|
m_uBlockCountLimit = 256;
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
// If there is no pager provided then we set the block limit to the maximum
|
// If there is no pager provided then we set the block limit to the maximum
|
||||||
// value to ensure the system never attempts to page blocks out of memory.
|
// value to ensure the system never attempts to page blocks out of memory.
|
||||||
m_uMaxNumberOfUncompressedBlocks = (std::numeric_limits<uint32_t>::max)();
|
m_uBlockCountLimit = (std::numeric_limits<uint32_t>::max)();
|
||||||
}
|
}
|
||||||
|
|
||||||
initialise();
|
initialise();
|
||||||
@ -225,26 +225,26 @@ namespace PolyVox
|
|||||||
/// \param uMaxNumberOfUncompressedBlocks The number of blocks for which uncompressed data can be cached.
|
/// \param uMaxNumberOfUncompressedBlocks The number of blocks for which uncompressed data can be cached.
|
||||||
////////////////////////////////////////////////////////////////////////////////
|
////////////////////////////////////////////////////////////////////////////////
|
||||||
template <typename VoxelType>
|
template <typename VoxelType>
|
||||||
void LargeVolume<VoxelType>::setTargetMemoryUsage(uint32_t uTargetMemoryUsageInBytes)
|
void LargeVolume<VoxelType>::setMemoryUsageLimit(uint32_t uMemoryUsageInBytes)
|
||||||
{
|
{
|
||||||
POLYVOX_THROW_IF(!m_pPager, invalid_operation, "You cannot limit the memory usage of the volume because it was created without a pager attached.");
|
POLYVOX_THROW_IF(!m_pPager, invalid_operation, "You cannot limit the memory usage of the volume because it was created without a pager attached.");
|
||||||
|
|
||||||
uint32_t uUncompressedBlockSizeInBytes = m_uBlockSideLength * m_uBlockSideLength * m_uBlockSideLength * sizeof(VoxelType);
|
uint32_t uUncompressedBlockSizeInBytes = m_uBlockSideLength * m_uBlockSideLength * m_uBlockSideLength * sizeof(VoxelType);
|
||||||
|
|
||||||
m_uMaxNumberOfUncompressedBlocks = uTargetMemoryUsageInBytes / uUncompressedBlockSizeInBytes;
|
m_uBlockCountLimit = uMemoryUsageInBytes / uUncompressedBlockSizeInBytes;
|
||||||
|
|
||||||
const uint32_t uMinPracticalNoOfBlocks = 4;
|
const uint32_t uMinPracticalNoOfBlocks = 4;
|
||||||
POLYVOX_LOG_WARNING_IF(m_uMaxNumberOfUncompressedBlocks < uMinPracticalNoOfBlocks, "The target memory usage is set too low and cannot be adhered to.");
|
POLYVOX_LOG_WARNING_IF(m_uBlockCountLimit < uMinPracticalNoOfBlocks, "The memory usage limit is set too low and cannot be adhered to.");
|
||||||
m_uMaxNumberOfUncompressedBlocks = (std::max)(m_uMaxNumberOfUncompressedBlocks, uMinPracticalNoOfBlocks);
|
m_uBlockCountLimit = (std::max)(m_uBlockCountLimit, uMinPracticalNoOfBlocks);
|
||||||
|
|
||||||
|
|
||||||
if (m_pRecentlyUsedBlocks.size() > m_uMaxNumberOfUncompressedBlocks)
|
if (m_pRecentlyUsedBlocks.size() > m_uBlockCountLimit)
|
||||||
{
|
{
|
||||||
flushAll();
|
flushAll();
|
||||||
}
|
}
|
||||||
|
|
||||||
POLYVOX_LOG_DEBUG("Target memory usage for volume set to " << uTargetMemoryUsageInBytes << "bytes ("
|
POLYVOX_LOG_DEBUG("Target memory usage for volume set to " << uMemoryUsageInBytes << "bytes ("
|
||||||
<< m_uMaxNumberOfUncompressedBlocks << " blocks of " << uUncompressedBlockSizeInBytes << "bytes each).");
|
<< m_uBlockCountLimit << " blocks of " << uUncompressedBlockSizeInBytes << "bytes each).");
|
||||||
}
|
}
|
||||||
|
|
||||||
////////////////////////////////////////////////////////////////////////////////
|
////////////////////////////////////////////////////////////////////////////////
|
||||||
@ -360,8 +360,8 @@ namespace PolyVox
|
|||||||
// Ensure we don't page in more blocks than the volume can hold.
|
// Ensure we don't page in more blocks than the volume can hold.
|
||||||
Region region(v3dStart, v3dEnd);
|
Region region(v3dStart, v3dEnd);
|
||||||
uint32_t uNoOfBlocks = static_cast<uint32_t>(region.getWidthInVoxels() * region.getHeightInVoxels() * region.getDepthInVoxels());
|
uint32_t uNoOfBlocks = static_cast<uint32_t>(region.getWidthInVoxels() * region.getHeightInVoxels() * region.getDepthInVoxels());
|
||||||
POLYVOX_LOG_WARNING_IF(uNoOfBlocks > m_uMaxNumberOfUncompressedBlocks, "Attempting to prefetch more than the maximum number of blocks.");
|
POLYVOX_LOG_WARNING_IF(uNoOfBlocks > m_uBlockCountLimit, "Attempting to prefetch more than the maximum number of blocks.");
|
||||||
uNoOfBlocks = (std::min)(uNoOfBlocks, m_uMaxNumberOfUncompressedBlocks);
|
uNoOfBlocks = (std::min)(uNoOfBlocks, m_uBlockCountLimit);
|
||||||
|
|
||||||
// Loops over the specified positions and touch the corresponding blocks.
|
// Loops over the specified positions and touch the corresponding blocks.
|
||||||
for(int32_t x = v3dStart.getX(); x <= v3dEnd.getX(); x++)
|
for(int32_t x = v3dStart.getX(); x <= v3dEnd.getX(); x++)
|
||||||
@ -455,7 +455,7 @@ namespace PolyVox
|
|||||||
}
|
}
|
||||||
|
|
||||||
m_uTimestamper = 0;
|
m_uTimestamper = 0;
|
||||||
//m_uMaxNumberOfUncompressedBlocks = 16;
|
//m_uBlockCountLimit = 16;
|
||||||
//m_uMaxNumberOfBlocksInMemory = 1024;
|
//m_uMaxNumberOfBlocksInMemory = 1024;
|
||||||
m_v3dLastAccessedBlockPos = Vector3DInt32(0,0,0); //There are no invalid positions, but initially the m_pLastAccessedBlock pointer will be null;
|
m_v3dLastAccessedBlockPos = Vector3DInt32(0,0,0); //There are no invalid positions, but initially the m_pLastAccessedBlock pointer will be null;
|
||||||
m_pLastAccessedBlock = 0;
|
m_pLastAccessedBlock = 0;
|
||||||
@ -470,7 +470,7 @@ namespace PolyVox
|
|||||||
m_regValidRegionInBlocks.setUpperY(this->m_regValidRegion.getUpperY() >> m_uBlockSideLengthPower);
|
m_regValidRegionInBlocks.setUpperY(this->m_regValidRegion.getUpperY() >> m_uBlockSideLengthPower);
|
||||||
m_regValidRegionInBlocks.setUpperZ(this->m_regValidRegion.getUpperZ() >> m_uBlockSideLengthPower);
|
m_regValidRegionInBlocks.setUpperZ(this->m_regValidRegion.getUpperZ() >> m_uBlockSideLengthPower);
|
||||||
|
|
||||||
//setMaxNumberOfUncompressedBlocks(m_uMaxNumberOfUncompressedBlocks);
|
//setMaxNumberOfUncompressedBlocks(m_uBlockCountLimit);
|
||||||
|
|
||||||
//Clear the previous data
|
//Clear the previous data
|
||||||
m_pRecentlyUsedBlocks.clear();
|
m_pRecentlyUsedBlocks.clear();
|
||||||
@ -538,7 +538,7 @@ namespace PolyVox
|
|||||||
|
|
||||||
// As we are loading a new block we should try to ensure we don't go over our target memory usage.
|
// As we are loading a new block we should try to ensure we don't go over our target memory usage.
|
||||||
bool erasedBlock = false;
|
bool erasedBlock = false;
|
||||||
while (m_pRecentlyUsedBlocks.size() + 1 > m_uMaxNumberOfUncompressedBlocks) // +1 ready for new block we will add next.
|
while (m_pRecentlyUsedBlocks.size() + 1 > m_uBlockCountLimit) // +1 ready for new block we will add next.
|
||||||
{
|
{
|
||||||
// This should never hit, because it should not have been possible for
|
// This should never hit, because it should not have been possible for
|
||||||
// the user to limit the number of blocks if they did not provide a pager.
|
// the user to limit the number of blocks if they did not provide a pager.
|
||||||
|
@ -277,7 +277,7 @@ TestVolume::TestVolume()
|
|||||||
m_pSimpleVolume = new SimpleVolume<int32_t>(region);
|
m_pSimpleVolume = new SimpleVolume<int32_t>(region);
|
||||||
m_pLargeVolume = new LargeVolume<int32_t>(region, m_pFilePager, 32);
|
m_pLargeVolume = new LargeVolume<int32_t>(region, m_pFilePager, 32);
|
||||||
|
|
||||||
m_pLargeVolume->setTargetMemoryUsage(1 * 1024 * 1024);
|
m_pLargeVolume->setMemoryUsageLimit(1 * 1024 * 1024);
|
||||||
|
|
||||||
//Fill the volume with some data
|
//Fill the volume with some data
|
||||||
for(int z = region.getLowerZ(); z <= region.getUpperZ(); z++)
|
for(int z = region.getLowerZ(); z <= region.getUpperZ(); z++)
|
||||||
|
Loading…
x
Reference in New Issue
Block a user