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experiments

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This commit is contained in:
Ilya Lavrenov
2014-03-08 01:29:27 +04:00
parent 702a2a6ff6
commit 2755ae5df9
10 changed files with 194 additions and 120 deletions
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12
modules/imgproc/src/thresh.cpp
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@@ -710,7 +710,9 @@ private:
static bool ocl_threshold( InputArray _src, OutputArray _dst, double & thresh, double maxval, int thresh_type )
{
int type = _src.type(), depth = CV_MAT_DEPTH(type), cn = CV_MAT_CN(type), ktype = CV_MAKE_TYPE(depth, 1);
int type = _src.type(), depth = CV_MAT_DEPTH(type), cn = CV_MAT_CN(type),
kercn = cn <= 4 && cn != 3 ? cn : ocl::predictOptimalVectorWidth(_src, _dst),
ktype = CV_MAKE_TYPE(depth, kercn);
bool doubleSupport = ocl::Device::getDefault().doubleFPConfig() > 0;
if ( !(thresh_type == THRESH_BINARY || thresh_type == THRESH_BINARY_INV || thresh_type == THRESH_TRUNC ||
@@ -733,11 +735,11 @@ static bool ocl_threshold( InputArray _src, OutputArray _dst, double & thresh, d
if (depth <= CV_32S)
thresh = cvFloor(thresh);
k.args(ocl::KernelArg::ReadOnlyNoSize(src), ocl::KernelArg::WriteOnly(dst, cn),
ocl::KernelArg::Constant(Mat(1, 1, ktype, thresh)),
ocl::KernelArg::Constant(Mat(1, 1, ktype, maxval)));
k.args(ocl::KernelArg::ReadOnlyNoSize(src), ocl::KernelArg::WriteOnly(dst, cn, kercn),
ocl::KernelArg::Constant(Mat(1, 1, ktype, Scalar::all(thresh))),
ocl::KernelArg::Constant(Mat(1, 1, ktype, Scalar::all(maxval))));
size_t globalsize[2] = { dst.cols * cn, dst.rows };
size_t globalsize[2] = { dst.cols * cn / kercn, dst.rows };
return k.run(2, globalsize, NULL, false);
}