generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

modified according to CUDA 4.0 API updates

Browse Source
This commit is contained in:
Vladislav Vinogradov
2011-05-31 08:31:10 +00:00
parent 98d663e7e0
commit 926a6bba00
40 changed files with 1134 additions and 1818 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
modules/gpu/src/matrix_reductions.cpp
View File

@@ -114,24 +114,14 @@ void cv::gpu::meanStdDev(const GpuMat& src, Scalar& mean, Scalar& stddev)
sz.width = src.cols;
sz.height = src.rows;
#if NPP_VERSION_MAJOR >= 4
DeviceBuffer dbuf(2);
nppSafeCall( nppiMean_StdDev_8u_C1R(src.ptr<Npp8u>(), src.step, sz, dbuf, (double*)dbuf + 1) );
cudaSafeCall( cudaThreadSynchronize() );
cudaSafeCall( cudaDeviceSynchronize() );
double* ptrs[2] = {mean.val, stddev.val};
dbuf.download(ptrs);
#else
nppSafeCall( nppiMean_StdDev_8u_C1R(src.ptr<Npp8u>(), src.step, sz, mean.val, stddev.val) );
cudaSafeCall( cudaThreadSynchronize() );
#endif
}
@@ -184,25 +174,15 @@ double cv::gpu::norm(const GpuMat& src1, const GpuMat& src2, int normType)
int funcIdx = normType >> 1;
double retVal;
#if NPP_VERSION_MAJOR >= 4
DeviceBuffer dbuf;
nppSafeCall( npp_norm_diff_func[funcIdx](src1.ptr<Npp8u>(), src1.step, src2.ptr<Npp8u>(), src2.step, sz, dbuf) );
cudaSafeCall( cudaThreadSynchronize() );
cudaSafeCall( cudaDeviceSynchronize() );
dbuf.download(&retVal);
#else
nppSafeCall( npp_norm_diff_func[funcIdx](src1.ptr<Npp8u>(), src1.step, src2.ptr<Npp8u>(), src2.step, sz, &retVal) );
cudaSafeCall( cudaThreadSynchronize() );
#endif
return retVal;
}