void TextureDataObject::setTextureData_( const bool quantize )
{
getUnconst_()->updateLastUsedWithCurrentTime_();
ConstMemoryUnitPtr data = dataSourcePtr_->getData( *lodNodePtr_ );
const T* rawData = data->getData< T >();
if( quantize )
{
std::vector< T > textureData;
getQuantizedData_< T >( rawData, textureData );
data_->allocAndSetData( textureData );
}
else
data_->allocAndSetData( rawData, getRawDataSize_( ));
}
void TextureDataObject::getQuantizedData_( const T* rawData,
std::vector< T >& formattedData ) const
{
const VolumeInformation& volumeInfo = dataSourcePtr_->getVolumeInformation();
const uint32_t compCount = volumeInfo.compCount;
const DataType dataType = volumeInfo.dataType;
const size_t dataSize = getRawDataSize_();
formattedData.resize( dataSize );
switch( dataType )
{
case DT_UINT8:
{
const Vector3f min( std::numeric_limits< uint8_t >::min( ));
const Vector3f max( std::numeric_limits< uint8_t >::max( ));
unsignedQuantize( rawData, &formattedData[ 0 ], dataSize,
compCount, min, max );
break;
}
case DT_UINT16:
{
const Vector3f min( std::numeric_limits< uint16_t >::min( ));
const Vector3f max( std::numeric_limits< uint16_t >::max( ));
unsignedQuantize( rawData, &formattedData[ 0 ], dataSize,
compCount, min, max );
break;
}
case DT_UINT32:
{
const Vector3f min( std::numeric_limits< uint32_t >::min( ));
const Vector3f max( std::numeric_limits< uint32_t >::max( ));
unsignedQuantize( rawData, &formattedData[ 0 ], dataSize,
compCount, min, max );
break;
}
case DT_INT8:
{
const Vector3f min( std::numeric_limits< int8_t >::min( ));
const Vector3f max( std::numeric_limits< int8_t >::max( ));
signedQuantize( rawData, &formattedData[ 0 ], dataSize,
compCount, min, max );
break;
}
case DT_INT16:
{
const Vector3f min( std::numeric_limits< int16_t >::min( ));
const Vector3f max( std::numeric_limits< int16_t >::max( ));
signedQuantize( rawData, &formattedData[ 0 ], dataSize,
compCount, min, max);
break;
}
case DT_INT32:
{
const Vector3f min( std::numeric_limits< int32_t >::min( ));
const Vector3f max( std::numeric_limits< int32_t >::max( ));
signedQuantize( rawData, &formattedData[ 0 ], dataSize,
compCount, min, max );
break;
}
case DT_UNDEFINED:
case DT_FLOAT32:
case DT_FLOAT64:
{
LBTHROW( std::runtime_error( "Unimplemented data type." ));
}
}
}
