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It is unnecessary to use fma() if no scaling.

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Signed-off-by: Yan Wang <yan.wang@linux.intel.com>
This commit is contained in:
Yan Wang committed 2015-07-23 10:18:11 +08:00
1 parent dac071ed78
commit 132416ebe9
2 files changed
+12 -3
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modules/core/src/umatrix.cpp
+4 -2
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@@ -746,7 +746,7 @@ void UMat::convertTo(OutputArray _dst, int _type, double alpha, double beta) con
ocl::typeToStr(sdepth), ocl::typeToStr(wdepth), ocl::typeToStr(ddepth),
ocl::convertTypeStr(sdepth, wdepth, 1, cvt[0]),
ocl::convertTypeStr(wdepth, ddepth, 1, cvt[1]),
doubleSupport ? " -D DOUBLE_SUPPORT" : ""));
doubleSupport ? " -D DOUBLE_SUPPORT" : "", noScale ? " -D NO_SCALE" : ""));
if (!k.empty())
{
UMat src = *this;
@@ -757,7 +757,9 @@ void UMat::convertTo(OutputArray _dst, int _type, double alpha, double beta) con
ocl::KernelArg srcarg = ocl::KernelArg::ReadOnlyNoSize(src),
dstarg = ocl::KernelArg::WriteOnly(dst, cn);
if (wdepth == CV_32F)
if (noScale)
k.args(srcarg, dstarg, rowsPerWI);
else if (wdepth == CV_32F)
k.args(srcarg, dstarg, alphaf, betaf, rowsPerWI);
else
k.args(srcarg, dstarg, alpha, beta, rowsPerWI);