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added cv::pow to T-API

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This commit is contained in:
Ilya Lavrenov 2013-11-30 17:20:45 +04:00
parent 997ec60839
commit 3e586f42a0
2 changed files with 35 additions and 1 deletions
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31
modules/core/src/mathfuncs.cpp
View File

@ -1955,9 +1955,40 @@ static IPowFunc ipowTab[] =
(IPowFunc)iPow32s, (IPowFunc)iPow32f, (IPowFunc)iPow64f, 0
};
static bool ocl_pow(InputArray _src, double power, OutputArray _dst)
{
int type = _src.type(), depth = CV_MAT_DEPTH(type), cn = CV_MAT_CN(type);
bool doubleSupport = ocl::Device::getDefault().doubleFPConfig() > 0;
if ( !(_src.dims() <= 2 && (depth == CV_32F || depth == CV_64F)) ||
(depth == CV_64F && !doubleSupport) )
return false;
UMat src = _src.getUMat();
_dst.create(src.size(), type);
UMat dst = _dst.getUMat();
ocl::Kernel k("KF", ocl::core::arithm_oclsrc,
format("-D dstT=%s -D OP_POW -D UNARY_OP%s", ocl::typeToStr(CV_MAKE_TYPE(depth, 1)),
doubleSupport ? "-D DOUBLE_SUPPORT" : ""));
ocl::KernelArg srcarg = ocl::KernelArg::ReadOnlyNoSize(src),
dstarg = ocl::KernelArg::WriteOnly(dst, cn);
if (depth == CV_32F)
k.args(srcarg, dstarg, (float)power);
else
k.args(srcarg, dstarg, power);
size_t globalsize[2] = { dst.cols * cn, dst.rows };
return k.run(2, globalsize, NULL, false);
}
void pow( InputArray _src, double power, OutputArray _dst )
{
if (ocl::useOpenCL() && _dst.isUMat() && ocl_pow(_src, power, _dst))
return;
Mat src = _src.getMat();
int type = src.type(), depth = src.depth(), cn = src.channels();

5
modules/core/src/opencl/arithm.cl
View File

@ -171,6 +171,9 @@
#elif defined OP_EXP
#define PROCESS_ELEM dstelem = exp(srcelem1)
#elif defined OP_POW
#define PROCESS_ELEM dstelem = pow(srcelem1, srcelem2)
#elif defined OP_SQRT
#define PROCESS_ELEM dstelem = sqrt(srcelem1)
@ -198,7 +201,7 @@ dstelem = v > (dstT)(0) ? log(v) : log(-v)
#undef srcelem2
#if defined OP_AND || defined OP_OR || defined OP_XOR || defined OP_ADD || defined OP_SAT_ADD || \
defined OP_SUB || defined OP_SAT_SUB || defined OP_RSUB || defined OP_SAT_RSUB || \
defined OP_ABSDIFF || defined OP_CMP || defined OP_MIN || defined OP_MAX
defined OP_ABSDIFF || defined OP_CMP || defined OP_MIN || defined OP_MAX || defined OP_POW
#undef EXTRA_PARAMS
#define EXTRA_PARAMS , workT srcelem2
#endif