diff options
Diffstat (limited to 'cuda/3d/astra3d.cu')
| -rw-r--r-- | cuda/3d/astra3d.cu | 176 |
1 files changed, 18 insertions, 158 deletions
diff --git a/cuda/3d/astra3d.cu b/cuda/3d/astra3d.cu index 2f7ea99..97bebf4 100644 --- a/cuda/3d/astra3d.cu +++ b/cuda/3d/astra3d.cu @@ -1331,173 +1331,30 @@ bool astraCudaPar3DFP(const float* pfVolume, float* pfProjections, } -bool astraCudaConeBP(float* pfVolume, const float* pfProjections, - unsigned int iVolX, - unsigned int iVolY, - unsigned int iVolZ, - unsigned int iProjAngles, - unsigned int iProjU, - unsigned int iProjV, - float fOriginSourceDistance, - float fOriginDetectorDistance, - float fDetUSize, - float fDetVSize, - const float *pfAngles, - int iGPUIndex, int iVoxelSuperSampling) -{ - if (iVolX == 0 || iVolY == 0 || iVolZ == 0) - return false; - if (iProjAngles == 0 || iProjU == 0 || iProjV == 0 || pfAngles == 0) - return false; - - SConeProjection* p = genConeProjections(iProjAngles, - iProjU, iProjV, - fOriginSourceDistance, - fOriginDetectorDistance, - fDetUSize, fDetVSize, - pfAngles); - - bool ok; - ok = astraCudaConeBP(pfVolume, pfProjections, iVolX, iVolY, iVolZ, - iProjAngles, iProjU, iProjV, p, iGPUIndex, iVoxelSuperSampling); - - delete[] p; - - return ok; -} -bool astraCudaConeBP(float* pfVolume, const float* pfProjections, - unsigned int iVolX, - unsigned int iVolY, - unsigned int iVolZ, - unsigned int iProjAngles, - unsigned int iProjU, - unsigned int iProjV, - const SConeProjection *pfAngles, - int iGPUIndex, int iVoxelSuperSampling) +bool astraCudaBP(float* pfVolume, const float* pfProjections, + const CVolumeGeometry3D* pVolGeom, + const CProjectionGeometry3D* pProjGeom, + int iGPUIndex, int iVoxelSuperSampling) { SDimensions3D dims; - dims.iVolX = iVolX; - dims.iVolY = iVolY; - dims.iVolZ = iVolZ; - if (iVolX == 0 || iVolY == 0 || iVolZ == 0) - return false; - - dims.iProjAngles = iProjAngles; - dims.iProjU = iProjU; - dims.iProjV = iProjV; - - if (iProjAngles == 0 || iProjU == 0 || iProjV == 0 || pfAngles == 0) - return false; - - dims.iRaysPerVoxelDim = iVoxelSuperSampling; - - if (iProjAngles == 0 || iProjU == 0 || iProjV == 0 || pfAngles == 0) - return false; - - if (iGPUIndex != -1) { - cudaSetDevice(iGPUIndex); - cudaError_t err = cudaGetLastError(); - - // Ignore errors caused by calling cudaSetDevice multiple times - if (err != cudaSuccess && err != cudaErrorSetOnActiveProcess) - return false; - } - - cudaPitchedPtr D_volumeData = allocateVolumeData(dims); - bool ok = D_volumeData.ptr; + bool ok = convertAstraGeometry_dims(pVolGeom, pProjGeom, dims); if (!ok) return false; - cudaPitchedPtr D_projData = allocateProjectionData(dims); - ok = D_projData.ptr; - if (!ok) { - cudaFree(D_volumeData.ptr); - return false; - } - - ok &= copyProjectionsToDevice(pfProjections, D_projData, - dims, dims.iProjU); - - ok &= zeroVolumeData(D_volumeData, dims); - - if (!ok) { - cudaFree(D_volumeData.ptr); - cudaFree(D_projData.ptr); - return false; - } - - ok &= ConeBP(D_volumeData, D_projData, dims, pfAngles); - - ok &= copyVolumeFromDevice(pfVolume, D_volumeData, dims, dims.iVolX); - - - cudaFree(D_volumeData.ptr); - cudaFree(D_projData.ptr); - - return ok; - -} - -bool astraCudaPar3DBP(float* pfVolume, const float* pfProjections, - unsigned int iVolX, - unsigned int iVolY, - unsigned int iVolZ, - unsigned int iProjAngles, - unsigned int iProjU, - unsigned int iProjV, - float fDetUSize, - float fDetVSize, - const float *pfAngles, - int iGPUIndex, int iVoxelSuperSampling) -{ - if (iVolX == 0 || iVolY == 0 || iVolZ == 0) - return false; - if (iProjAngles == 0 || iProjU == 0 || iProjV == 0 || pfAngles == 0) - return false; - - SPar3DProjection* p = genPar3DProjections(iProjAngles, - iProjU, iProjV, - fDetUSize, fDetVSize, - pfAngles); - - bool ok; - ok = astraCudaPar3DBP(pfVolume, pfProjections, iVolX, iVolY, iVolZ, - iProjAngles, iProjU, iProjV, p, iGPUIndex, iVoxelSuperSampling); - - delete[] p; - - return ok; -} - - -bool astraCudaPar3DBP(float* pfVolume, const float* pfProjections, - unsigned int iVolX, - unsigned int iVolY, - unsigned int iVolZ, - unsigned int iProjAngles, - unsigned int iProjU, - unsigned int iProjV, - const SPar3DProjection *pfAngles, - int iGPUIndex, int iVoxelSuperSampling) -{ - SDimensions3D dims; + dims.iRaysPerVoxelDim = iVoxelSuperSampling; - dims.iVolX = iVolX; - dims.iVolY = iVolY; - dims.iVolZ = iVolZ; - if (iVolX == 0 || iVolY == 0 || iVolZ == 0) - return false; + SPar3DProjection* pParProjs; + SConeProjection* pConeProjs; - dims.iProjAngles = iProjAngles; - dims.iProjU = iProjU; - dims.iProjV = iProjV; + float outputScale; - if (iProjAngles == 0 || iProjU == 0 || iProjV == 0 || pfAngles == 0) - return false; + ok = convertAstraGeometry(pVolGeom, pProjGeom, + pParProjs, pConeProjs, + outputScale); - dims.iRaysPerVoxelDim = iVoxelSuperSampling; + // TODO: OutputScale if (iGPUIndex != -1) { cudaSetDevice(iGPUIndex); @@ -1510,7 +1367,7 @@ bool astraCudaPar3DBP(float* pfVolume, const float* pfProjections, cudaPitchedPtr D_volumeData = allocateVolumeData(dims); - bool ok = D_volumeData.ptr; + ok = D_volumeData.ptr; if (!ok) return false; @@ -1532,7 +1389,10 @@ bool astraCudaPar3DBP(float* pfVolume, const float* pfProjections, return false; } - ok &= Par3DBP(D_volumeData, D_projData, dims, pfAngles); + if (pParProjs) + ok &= Par3DBP(D_volumeData, D_projData, dims, pParProjs); + else + ok &= ConeBP(D_volumeData, D_projData, dims, pConeProjs); ok &= copyVolumeFromDevice(pfVolume, D_volumeData, dims, dims.iVolX); |