bool CCudaForwardProjectionAlgorithm3D::initialize(CProjector3D* _pProjector,
CFloat32ProjectionData3DMemory* _pProjections,
CFloat32VolumeData3DMemory* _pVolume,
int _iGPUindex, int _iDetectorSuperSampling)
{
m_pProjector = _pProjector;
// required classes
m_pProjections = _pProjections;
m_pVolume = _pVolume;
CCudaProjector3D* pCudaProjector = dynamic_cast<CCudaProjector3D*>(m_pProjector);
if (!pCudaProjector) {
// TODO: Report
m_iDetectorSuperSampling = _iDetectorSuperSampling;
m_iGPUIndex = _iGPUindex;
} else {
m_iDetectorSuperSampling = pCudaProjector->getDetectorSuperSampling();
m_iGPUIndex = pCudaProjector->getGPUIndex();
}
// success
m_bIsInitialized = check();
if (!m_bIsInitialized)
return false;
return true;
}
//---------------------------------------------------------------------------------------
void CCudaForwardProjectionAlgorithm3D::initializeFromProjector()
{
m_iDetectorSuperSampling = 1;
m_iGPUIndex = -1;
CCudaProjector3D* pCudaProjector = dynamic_cast<CCudaProjector3D*>(m_pProjector);
if (!pCudaProjector) {
if (m_pProjector) {
ASTRA_WARN("non-CUDA Projector3D passed to FP3D_CUDA");
}
} else {
m_iDetectorSuperSampling = pCudaProjector->getDetectorSuperSampling();
m_iGPUIndex = pCudaProjector->getGPUIndex();
}
}