diff options
Diffstat (limited to 'matlab')
| -rw-r--r-- | matlab/mex/astra_mex_c.cpp | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/matlab/mex/astra_mex_c.cpp b/matlab/mex/astra_mex_c.cpp index d34334c..fdf4f33 100644 --- a/matlab/mex/astra_mex_c.cpp +++ b/matlab/mex/astra_mex_c.cpp @@ -38,6 +38,7 @@ $Id$ #include "astra/Globals.h" #ifdef ASTRA_CUDA #include "../cuda/2d/darthelper.h" +#include "astra/CompositeGeometryManager.h" #endif using namespace std; using namespace astra; @@ -83,12 +84,46 @@ void astra_mex_use_cuda(int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs * Set active GPU */ void astra_mex_set_gpu_index(int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[]) -{ +{ #ifdef ASTRA_CUDA - if (nrhs >= 2) { - bool ret = astraCUDA::setGPUIndex((int)mxGetScalar(prhs[1])); - if (!ret) - mexPrintf("Failed to set GPU %d\n", (int)mxGetScalar(prhs[1])); + bool usage = false; + if (nrhs != 2 && nrhs != 4) { + usage = true; + } + + astra::SGPUParams params; + params.memory = 0; + + if (!usage && nrhs >= 4) { + std::string s = mexToString(prhs[2]); + if (s != "memory") { + usage = true; + } else { + params.memory = (size_t)mxGetScalar(prhs[3]); + } + } + + if (!usage && nrhs >= 2) { + int n = mxGetN(prhs[1]) * mxGetM(prhs[1]); + params.GPUIndices.resize(n); + double* pdMatlabData = mxGetPr(prhs[1]); + for (int i = 0; i < n; ++i) + params.GPUIndices[i] = (int)pdMatlabData[i]; + + + astra::CCompositeGeometryManager::setGlobalGPUParams(params); + + + // Set first GPU + if (n >= 1) { + bool ret = astraCUDA::setGPUIndex((int)pdMatlabData[0]); + if (!ret) + mexPrintf("Failed to set GPU %d\n", (int)pdMatlabData[0]); + } + } + + if (usage) { + mexPrintf("Usage: astra_mex('set_gpu_index', index/indices [, 'memory', memory])"); } #endif } |