generic-library/opencv
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optimized cv::copyMakeBorder

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This commit is contained in:
Ilya Lavrenov
2014-05-27 16:12:52 +04:00
parent ab2749d648
commit ab428c9dbd
2 changed files with 47 additions and 59 deletions
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15
modules/core/src/copy.cpp
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@@ -989,7 +989,8 @@ namespace cv {
static bool ocl_copyMakeBorder( InputArray _src, OutputArray _dst, int top, int bottom,
int left, int right, int borderType, const Scalar& value )
{
int type = _src.type(), cn = CV_MAT_CN(type), depth = CV_MAT_DEPTH(type);
int type = _src.type(), cn = CV_MAT_CN(type), depth = CV_MAT_DEPTH(type),
rowsPerWI = ocl::Device::getDefault().isIntel() ? 4 : 1;
bool isolated = (borderType & BORDER_ISOLATED) != 0;
borderType &= ~cv::BORDER_ISOLATED;
@@ -1001,12 +1002,10 @@ static bool ocl_copyMakeBorder( InputArray _src, OutputArray _dst, int top, int
const char * const borderMap[] = { "BORDER_CONSTANT", "BORDER_REPLICATE", "BORDER_REFLECT", "BORDER_WRAP", "BORDER_REFLECT_101" };
int scalarcn = cn == 3 ? 4 : cn;
int sctype = CV_MAKETYPE(depth, scalarcn);
String buildOptions = format(
"-D T=%s -D %s "
"-D T1=%s -D cn=%d -D ST=%s",
ocl::memopTypeToStr(type), borderMap[borderType],
ocl::memopTypeToStr(depth), cn, ocl::memopTypeToStr(sctype)
);
String buildOptions = format("-D T=%s -D %s -D T1=%s -D cn=%d -D ST=%s -D rowsPerWI=%d",
ocl::memopTypeToStr(type), borderMap[borderType],
ocl::memopTypeToStr(depth), cn,
ocl::memopTypeToStr(sctype), rowsPerWI);
ocl::Kernel k("copyMakeBorder", ocl::core::copymakeborder_oclsrc, buildOptions);
if (k.empty())
@@ -1042,7 +1041,7 @@ static bool ocl_copyMakeBorder( InputArray _src, OutputArray _dst, int top, int
k.args(ocl::KernelArg::ReadOnly(src), ocl::KernelArg::WriteOnly(dst),
top, left, ocl::KernelArg::Constant(Mat(1, 1, sctype, value)));
size_t globalsize[2] = { dst.cols, dst.rows };
size_t globalsize[2] = { dst.cols, (dst.rows + rowsPerWI - 1) / rowsPerWI };
return k.run(2, globalsize, NULL, false);
}