diff options
Diffstat (limited to 'cuda/3d/astra3d.cu')
| -rw-r--r-- | cuda/3d/astra3d.cu | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/cuda/3d/astra3d.cu b/cuda/3d/astra3d.cu index 23af36a..be258be 100644 --- a/cuda/3d/astra3d.cu +++ b/cuda/3d/astra3d.cu @@ -35,12 +35,15 @@ along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>. #include "astra/cuda/3d/fdk.h" #include "astra/cuda/3d/arith3d.h" #include "astra/cuda/3d/astra3d.h" +#include "astra/cuda/3d/mem3d.h" #include "astra/ParallelProjectionGeometry3D.h" #include "astra/ParallelVecProjectionGeometry3D.h" #include "astra/ConeProjectionGeometry3D.h" #include "astra/ConeVecProjectionGeometry3D.h" #include "astra/VolumeGeometry3D.h" +#include "astra/Float32ProjectionData3DGPU.h" +#include "astra/Logging.h" #include <iostream> #include <cstdio> @@ -1317,4 +1320,46 @@ bool astraCudaBP_SIRTWeighted(float* pfVolume, } +_AstraExport void uploadMultipleProjections(CFloat32ProjectionData3DGPU *proj, + const float *data, + unsigned int y_min, unsigned int y_max) +{ + astraCUDA3d::MemHandle3D hnd = proj->getHandle(); + + astraCUDA3d::SDimensions3D dims1; + dims1.iProjU = proj->getDetectorColCount(); + dims1.iProjV = proj->getDetectorRowCount(); + dims1.iProjAngles = y_max - y_min + 1; + + cudaPitchedPtr D_proj = allocateProjectionData(dims1); + bool ok = copyProjectionsToDevice(data, D_proj, dims1); + if (!ok) + ASTRA_ERROR("Failed to upload projection to GPU"); + + astraCUDA3d::MemHandle3D hnd1 = astraCUDA3d::wrapHandle( + (float *)D_proj.ptr, + dims1.iProjU, dims1.iProjAngles, dims1.iProjV, + D_proj.pitch / sizeof(float)); + + astraCUDA3d::SSubDimensions3D subdims; + subdims.nx = dims1.iProjU; + subdims.ny = proj->getAngleCount(); + subdims.nz = dims1.iProjV; + subdims.pitch = D_proj.pitch / sizeof(float); // FIXME: Pitch for wrong obj! + subdims.subnx = dims1.iProjU; + subdims.subny = dims1.iProjAngles; + subdims.subnz = dims1.iProjV; + subdims.subx = 0; + subdims.suby = y_min; + subdims.subz = 0; + + ok = astraCUDA3d::copyIntoArray(hnd, hnd1, subdims); + if (!ok) + ASTRA_ERROR("Failed to copy projection into 3d data"); + + cudaFree(D_proj.ptr); + +} + + } |