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used new device layer for cv::gpu::minMax

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This commit is contained in:
Vladislav Vinogradov
2013-08-26 11:07:34 +04:00
parent b705e0d886
commit 045a856c24
3 changed files with 62 additions and 246 deletions
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47
modules/cudaarithm/src/reductions.cpp
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@@ -186,53 +186,6 @@ double cv::cuda::norm(InputArray _src1, InputArray _src2, GpuMat& buf, int normT
return retVal;
}
////////////////////////////////////////////////////////////////////////
// minMax
namespace minMax
{
void getBufSize(int cols, int rows, int& bufcols, int& bufrows);
template <typename T>
void run(const PtrStepSzb src, const PtrStepb mask, double* minval, double* maxval, PtrStepb buf);
}
void cv::cuda::minMax(InputArray _src, double* minVal, double* maxVal, InputArray _mask, GpuMat& buf)
{
GpuMat src = _src.getGpuMat();
GpuMat mask = _mask.getGpuMat();
typedef void (*func_t)(const PtrStepSzb src, const PtrStepb mask, double* minval, double* maxval, PtrStepb buf);
static const func_t funcs[] =
{
::minMax::run<uchar>,
::minMax::run<schar>,
::minMax::run<ushort>,
::minMax::run<short>,
::minMax::run<int>,
::minMax::run<float>,
::minMax::run<double>
};
CV_Assert( src.channels() == 1 );
CV_Assert( mask.empty() || (mask.size() == src.size() && mask.type() == CV_8U) );
if (src.depth() == CV_64F)
{
if (!deviceSupports(NATIVE_DOUBLE))
CV_Error(cv::Error::StsUnsupportedFormat, "The device doesn't support double");
}
Size buf_size;
::minMax::getBufSize(src.cols, src.rows, buf_size.width, buf_size.height);
ensureSizeIsEnough(buf_size, CV_8U, buf);
const func_t func = funcs[src.depth()];
double temp1, temp2;
func(src, mask, minVal ? minVal : &temp1, maxVal ? maxVal : &temp2, buf);
}
////////////////////////////////////////////////////////////////////////
// minMaxLoc