LDM buffer object optimized for in memory reader tile data. More...
#include <LDM/tiles/SoCpuBufferFromVolumeReader.h>
Public Member Functions | |
SoCpuBufferFromVolumeReader (SoDataSet *dataset, SoLDMTileID tileId) | |
virtual void | map (SoBufferObject *targetBufferObject, SoBufferObject::AccessMode accessMode, size_t startPosition, size_t mappingSize=SO_BUFFER_SIZE_ALL) |
virtual void | map (SoCpuBufferObject *targetBufferObject, SoBufferObject::AccessMode accessMode, size_t startPosition=0, size_t mappingSize=SO_BUFFER_SIZE_ALL) |
virtual void | map (SoGLBufferObject *targetBufferObject, SoBufferObject::AccessMode accessMode, size_t startPosition=0, size_t mappingSize=SO_BUFFER_SIZE_ALL) |
virtual void * | map (SoBufferObject::AccessMode accessMode, size_t offset=0, size_t count=SO_BUFFER_SIZE_ALL) |
virtual void | unmap (SoCpuBufferObject *bufferObject) |
virtual void | unmap (SoGLBufferObject *bufferObject) |
void | unmap (SoBufferObject *bufferObject) |
virtual void | unmap () |
bool | getMinMax (double &min, double &max) |
size_t | getRealSize () const |
Friends | |
class | SoCpuBufferFromVolumeReaderImpl |
SoBufferPropertiesInterface, SoCpuBufferObject
SoCpuBufferFromVolumeReader::SoCpuBufferFromVolumeReader | ( | SoDataSet * | dataset, | |
SoLDMTileID | tileId | |||
) |
Constructor with dataset and tile Id as parameter.
dataset | pointer to dataset associated with buffer | |
tileId | tileId representing the tile the buffer will store |
bool SoCpuBufferFromVolumeReader::getMinMax | ( | double & | min, | |
double & | max | |||
) | [virtual] |
Get the min and max values in the buffer, if they are known.
Returns false if these values have not been set or computed. Returns true if values are available.
min | user variable to store min value | |
max | user variable to store max value |
Implements SoBufferPropertiesInterface.
size_t SoCpuBufferFromVolumeReader::getRealSize | ( | ) | const [virtual] |
Returns the real size of the buffer in bytes.
Implements SoBufferPropertiesInterface.
virtual void* SoCpuBufferFromVolumeReader::map | ( | SoBufferObject::AccessMode | accessMode, | |
size_t | offset = 0 , |
|||
size_t | count = SO_BUFFER_SIZE_ALL | |||
) | [virtual] |
Map the buffer to a system memory address and allows the mapping of a sub part of the buffer object into CPU memory.
Notes:
Reimplemented from SoBufferObject.
virtual void SoCpuBufferFromVolumeReader::map | ( | SoGLBufferObject * | targetBufferObject, | |
SoBufferObject::AccessMode | accessMode, | |||
size_t | startPosition = 0 , |
|||
size_t | mappingSize = SO_BUFFER_SIZE_ALL | |||
) | [virtual] |
Map the current buffer object into the specified GL buffer object.
See the general map method for more information.
virtual void SoCpuBufferFromVolumeReader::map | ( | SoCpuBufferObject * | targetBufferObject, | |
SoBufferObject::AccessMode | accessMode, | |||
size_t | startPosition = 0 , |
|||
size_t | mappingSize = SO_BUFFER_SIZE_ALL | |||
) | [virtual] |
Map the current buffer object into the specified CPU buffer object.
See the general map method for more information.
virtual void SoCpuBufferFromVolumeReader::map | ( | SoBufferObject * | targetBufferObject, | |
SoBufferObject::AccessMode | accessMode, | |||
size_t | startPosition, | |||
size_t | mappingSize = SO_BUFFER_SIZE_ALL | |||
) | [virtual] |
Map the current buffer object into the specified buffer object.
It is useful in order to use a buffer in multiple contexts.
targetBufferObject | The buffer object which will be the mapped version of this buffer. | |
accessMode | The access mode used for the mapping. | |
startPosition | offset in source buffer to map from (default is start of buffer). | |
mappingSize | size from the startPosition, if SO_BUFFER_SIZE_ALL then the whole buffer is mapped. |
virtual void SoCpuBufferFromVolumeReader::unmap | ( | ) | [virtual] |
Unmap a mapped buffer.
No error is reported if the buffer was not mapped.
Reimplemented from SoBufferObject.
void SoCpuBufferFromVolumeReader::unmap | ( | SoBufferObject * | bufferObject | ) |
Unmap the specified buffer object
It is defined just to speed up the call when the type of the object is known.
See the general unmap function for more information.
virtual void SoCpuBufferFromVolumeReader::unmap | ( | SoGLBufferObject * | bufferObject | ) | [virtual] |
Unmap the specified GL buffer object
It is defined just to speed up the call when the type of the object is known.
If the access mode supports writing the specified buffer is sync'd with the buffer.
See the general unmap function for more information.
bufferObject | Buffer to be unmapped. |
virtual void SoCpuBufferFromVolumeReader::unmap | ( | SoCpuBufferObject * | bufferObject | ) | [virtual] |
Unmap the specified CPU buffer object
It is defined just to speed up the call when the type of the object is known.
Remove the specified bufferObject from the list of buffers which map the current buffer.
See the general unmap function for more information.
friend class SoCpuBufferFromVolumeReaderImpl [friend] |
Reimplemented from SoBufferPropertiesInterface.