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-rw-r--r--cuda/2d/algo.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/cuda/2d/algo.h b/cuda/2d/algo.h
index d39935d..954bb88 100644
--- a/cuda/2d/algo.h
+++ b/cuda/2d/algo.h
@@ -74,6 +74,13 @@ public:
// instead of calling setBuffers, you can also call allocateBuffers
// to let ReconAlgo manage its own GPU memory
virtual bool allocateBuffers();
+
+ // copy data to GPU. This must be called after allocateBuffers.
+ // pfSinogram, pfReconstruction, pfVolMask, pfSinoMask are the
+ // sinogram, reconstruction, volume mask and sinogram mask in system RAM,
+ // respectively. The corresponding pitch variables give the pitches
+ // of these buffers, measured in floats.
+ // The sinogram is multiplied by fSinogramScale after uploading it.
virtual bool copyDataToGPU(const float* pfSinogram, unsigned int iSinogramPitch, float fSinogramScale,
const float* pfReconstruction, unsigned int iReconstructionPitch,
const float* pfVolMask, unsigned int iVolMaskPitch,